4,476 results on '"ORDER picking systems"'
Search Results
102. Development of Flavouring Ontology for Recommending the Halal Status of Flavours.
- Author
-
Mohamad Hashim, Siti Farhana, Mohd Noah, Shahrul Azman, Salim, Juhana, and Wan Mustapha, Wan Aida
- Subjects
ORDER picking systems ,RESEARCH personnel ,ONTOLOGY ,RAW materials ,AUDITORS ,HALAL food - Abstract
There has been a growing interest in halal-related ontology research in recent years, as ontology has gained recognition in the halal industry. This paper discusses the development of a flavouring ontology that will assist halal management auditors in predicting the halal status of flavours in order to process food producers’ applications for halal certification. The development of a flavouring ontology is based on multiple references, because the auditors of halal management divisions must consult a variety of sources independently in order to determine the halal status of flavourings. The process includes 1) determining the ontology goal and scope, 2) building ontologies, and 3) evaluating the ontologies. The researcher used Protégé to design the ontologies, and Phyton was used to develop a prototype based on flavouring ontology. The developed ontology consists of four classes, nine sub-classes, and 11 relationships. The evaluation of the ontology using the prototype revealed that the majority of experts were satisfied with the information generated by the ontology in the prototype, particularly in relation to synonyms and the hierarchical structure of a flavour. However, the experts suggest improvements in terms of flavour metadata, especially on raw materials and natural occurrence data, so that the flavour information retrieved is comprehensive and accurate. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
103. Design and Development of a Costefficiency Robot Arm with a PLC-based Robot Controller.
- Author
-
Vo Duy Cong
- Subjects
PROGRAMMABLE controllers ,STEPPING motors ,INDUSTRIAL robots ,ROBOT motion ,ROBOTS ,ROBOT control systems ,ROBOT design & construction ,ORDER picking systems ,ROBOT programming - Abstract
Copyright of FME Transactions is the property of University of Belgrade, Faculty of Mechanical Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
- View/download PDF
104. Die Ambiguität des Geistes: Europa zwischen Selbstverständnis und Selbstentfremdung.
- Author
-
Hansen, Bjarke Mørkøre Stigel
- Subjects
ROMAN law ,ROMAN Empire, 30 B.C.-A.D. 476 ,ORDER picking systems ,SELF-perception - Abstract
This article explores both the significance and difficulty of the work of Paul Valéry (1871–1945), arguing that his challenging ideas on Europe and its crisis have much to contribute to recent debates on the philosophy of Europe. For Valéry, Europe is inseparable from its (spiritual) history, caught up in the process of self-understanding and self-alienation. In order to examine this process, the article focuses on Valéry's tripartite composition of Europe's "influences," namely the institutions and laws of the Roman Empire, the self-examination of Christianity, and the discipline of spirit and development of science in ancient Greek culture. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
105. Investigation of work order processing in different facilities: a questionnaire-based survey.
- Author
-
Ensafi, Mahnaz, Thabet, Walid, and Besiktepe, Deniz
- Subjects
ORDER picking systems ,BUILDING maintenance ,FACILITY management ,INTERNET surveys - Abstract
Purpose: The aim of this paper was to study current practices in FM work order processing to support and improve decision-making. Processing and prioritizing work orders constitute a critical part of facilities and maintenance management practices given the large amount of work orders submitted daily. User-driven approaches (UDAs) are currently more prevalent for processing and prioritizing work orders but have challenges including inconsistency and subjectivity. Data-driven approaches can provide an advantage over user-driven ones in work-order processing; however, specific data requirements need to be identified to collect and process the functional data needed while achieving more consistent and accurate results. Design/methodology/approach: This paper presents the findings of an online survey conducted with facility management (FM) experts who are directly or indirectly involved in processing work orders in building maintenance. Findings: The findings reflect the current practices of 71 survey participants on data requirements, criteria selection, rankings, with current shortcomings and challenges in prioritizing work orders. In addition, differences between criteria and their ranking within participants' experience, facility types and facility sizes are investigated. The findings of the study provide a snapshot of the current practices in FM work order processing, which aids in developing a comprehensive framework to support data-driven decision-making and address the challenges with UDAs. Originality/value: Although previous studies have explored the use of selected criteria for processing and prioritizing work orders, this paper investigated a comprehensive list of criteria used by various facilities for processing work orders. Furthermore, previous studies are focused on the processing and prioritization stage, whereas this paper explored the data collected following the completion of the maintenance tasks and the benefits it can provide for processing future work orders. In addition, previous studies have focused on one specific stage of work order processing, whereas this paper investigated the common data between different stages of work order processing for enhanced FM. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
106. Non-destructive quality control of apples based on discriminant analysis of their hyperspectral images.
- Author
-
Balabanov, P. V., Divin, A. G., Zhirkova, A. A., Lyubimova, D. A., and Egorov, A. S.
- Subjects
- *
DISCRIMINANT analysis , *IMAGE analysis , *QUALITY control , *ORDER picking systems , *INDEPENDENT variables - Abstract
In this paper visible and near-infrared hyperspectral imaging (VIS-NIR) was used to classify apples during sorting. At the same time the initial data from the SPECIM hyperspectrometer were subjected to preliminary processing in order to determine the NDVI vegetation indices, etc., which played the role of independent variables (predictors) in the discriminant analysis. Experimental results show that the multiple discriminant image analysis method has great potential for identifying apple defects such as rot, scab, wormholes, as well as for sorting apples by quality. At the same time errors of the second kind during the rejection of defect-free apples amounted to less than 4%. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
107. The adaptability of a quality management system to external and internal factors at manufacturing companies.
- Author
-
Grozovskiy, G. I., Levina, Tatiana, Noskova, V. E., and Ershov, Denis
- Subjects
- *
TOTAL quality management , *SOCIOTECHNICAL systems , *ORDER picking systems , *PSYCHOLOGICAL feedback - Abstract
The goal of this research is the development of adaptive approaches to process management in order to create a stable quality management system (QMS). This article reviews the key notions of stability: monitoring, forecasting, response, and studying that reflect the sociotechnical system. One of the key features of this system is feedback loops. Feedback stipulates that any action during the process may have both positive and negative effects after one or more loops. In the majority of practical cases, complex adaptive systems are reviewed at organizations or systems of organizations separate from the sociotechnical approach, which often results in instabilities and spontaneity of offer and demand balance improvement. Complex systems operate under conditions which are not balanced, and they are highly dynamic and constantly developing. Because of this, the system is constantly adapting (changing), new feedback loops occur and create structures that are required to achieve stability. The authors show that the use of this approach in QMS may help develop a robust model of the system to adapt to new internal and external problems and changes. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
108. Pothole detection using CNN OpenCV and KERAS backed by tensorflow.
- Author
-
Hadimani, Basavaraj, Aafreen, Sharma, Abhishek, Singh, Aryan, and Supriya
- Subjects
- *
CONVOLUTIONAL neural networks , *ROAD maintenance , *TRAFFIC accidents , *IMAGING systems , *ORDER picking systems - Abstract
Potholes have proven to be a major roadblock in recent times. Potholes are one of the leading causes of car accidents and other untoward incidents on the road, and they also cause vehicle wear and tear. The collected data is currently being processed in order to determine road faults and work on them. Data collection is almost fully automated thanks to a variety of imaging systems, but the evaluation of defects based on the collected data is still performed manually and is not automated even today. This method of classifying and evaluating potholes is expensive, time-consuming, labor-intensive, and repetitive, and inevitably, the total road maintenance procedure is slowed. We have described a new detection technique for potholes in this paper. Convolutional neural networks (CNN) have been used. Using this approach in the proposed system, input images were classified into two categories. Implementation was done using OpenCV library in Python. It was trained on 722 raw images and tested on 198 images, with precision, correctness, and recall metrics among the metrics used to assess the results. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
109. Analytical food ordering and management system with chatbot.
- Author
-
Susanto, Felix B., Masri, Rozita Yati, and Vijayasingam, Vijayaraj C.
- Subjects
- *
TECHNOLOGICAL innovations , *ARTIFICIAL intelligence , *CHATBOTS , *CONSUMERS , *ORDER picking systems , *CUSTOMER experience , *ORDER management systems , *HALAL food - Abstract
Nowadays technology has been used to shape the human workspace in many ways and become an integral part of everyday tasks in food ordering process particularly in Malaysia. The ordering process in most of Malaysian restaurants still applying traditional method. This process requires coordination of simple tasks flow mainly from customers to waiter, to the kitchen staff and to the cashier. This traditional manner is simple but could bring a major issue during the peak hours. As a consequence, the rate of providing customer experience decreases steadily and derive long queue. As a result, the restaurant ordering, and management system is proposed as digital menu and as a mediator to assist the customer to create an order. This system will be available in the form of tablet device that will be given on each table. The system is given several additional features to support the process including technological advancement for instance data analytics and artificial intelligence. This system is expected to minimalize any delays as well as provide more convenient service and attract more customer experiences. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
110. Optimizing travel distance for picking order problem using symbiotic organism search algorithm combined with mutation operators.
- Author
-
Octavia, Tanti, Handojo, Andreas, and Thungriallu, Adelyn
- Subjects
- *
SEARCH algorithms , *ORDER picking systems , *VEHICLE routing problem , *CONSUMPTION (Economics) , *CONSUMERS - Abstract
This article aims to investigate the reliability of sos algorithm for solving the picking order problems considering the real environments of warehouse. We attempt to apply SOS algorithm combined with mutation operators. There are three mutation operators used, namely swap mutation operator, inversion mutation operator, and insertion operator. Simulation is carried out using a case study of warehouse's company that stores various kinds of daily products to fulfil the customer demand. The simulation is run considering the percentage decrease in the distance between initial solution and final solution and the computational time. Simulation is run for the number of iterations of 100, 500, and 1000 and the ecosystem size as 10,20, and 50. The results show the Symbiotic Organism Search (SOS) algorithm can provide a large percentage of distance reduction for a small number of consumer demand in all iterations and ecosystem sizes, with a percentage decrease in distance of more 5%. As for the large number of customer demand (500 and 1000), the percentage decrease in the total distance is below or equal to 3.71% for all iterations. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
111. Integration of multi criteria decision making (MCDM) method with Weighted Floyd Warshall Algorithm (WFWA) in order picking route optimisation: A case study.
- Author
-
Shahidin, Ainon Mardhiyah and Mohd Razif, Nurdiana
- Subjects
- *
DECISION making , *MULTIPLE criteria decision making , *ORDER picking systems , *EVIDENCE gaps , *ALGORITHMS - Abstract
Nowadays, order-picking is frequently considered as one of the most laborious and time-consuming tasks in warehouse operations. The routing of an order picker is usually a vital part of the overall operating cost. Failure to overcome the order-picking process problem may cause the risk of a long time to collect the goods. Hence, finding the optimal route for an order picker may help the management process of a warehouse become more efficient. The mathematical approach that combined the multi-criteria decision-making method (MCDM) with the shortest route algorithm has not yet been proposed into the warehouse problem. Therefore, by using this integration method, the main objective of this study contributes to fill this research gap in finding the optimal route for the Chevron warehouse. The proposed method in this study integrates the Entropy method for calculating the weightage of criteria, the Simple Additive Weighting (SAW) method for finding the weightage of alternatives, and the shortest route algorithm called Weighted Floyd Warshall Algorithm (WFWA) to find the optimal route for an order picker of a warehouse. In addition, the problem is easily solved with the help of Toolkit for Oracle (TORA) software. The results show that the proposed integration method has successfully obtained the optimal route which is the best or shortest route for the order picker. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
112. Editor's Introduction.
- Author
-
Shi, Yong
- Subjects
INDUSTRIAL productivity ,INFORMATION technology ,MACHINE learning ,ELECTRONIC commerce ,DATA analytics ,DEEP learning ,TECHNOLOGICAL progress ,ORDER picking systems - Abstract
The International Journal of Information Technology & Decision Making has published its fourth issue, featuring 10 original papers from distinguished authors in eight countries. The papers cover a range of topics, including deep learning for malaria detection, social banking, multi-attribute decision-making, video event detection, ERP system evaluation, COVID-19 vaccine analysis, order picking systems, big data analytics in central banking, and estimation of missing entries in preference matrices. The articles provide valuable insights and innovative solutions in the field of information technology and decision making. [Extracted from the article]
- Published
- 2024
- Full Text
- View/download PDF
113. Determining the source of human-system errors in manual order picking with respect to human factors.
- Author
-
Setayesh, Azin, Grosse, Eric H., Glock, Christoph H., and Neumann, W. Patrick
- Subjects
FAILURE mode & effects analysis ,MENTAL fatigue ,ORDER picking systems ,SYSTEMS design - Abstract
Order picking (OP) is a time- and labour-intensive operation in which human-system errors can lead to deficiencies in quality. This study aimed to identify human factors-related failure modes that cause human-system errors and quality deficits in OP. We conducted a systematic literature review and qualitative interviews with 38 order pickers employed by 14 different companies in four countries. The literature review found 46 papers that identified eight different failure modes related to OP system design: physical workload, physical fatigue, mental fatigue, complexity, memory demand, vision, hearing, and motivation. The interview results confirmed many of the same factors noted in the literature review but also identified communication and supervision failure modes that had not been addressed before. The results illustrate human factors-related failure modes linked to OP system design, operation, and management that ultimately increase quality deficits and pick errors. Further research on human factors and OP system design interaction is warranted, as no assessment tool has been found to support engineers and managers seeking to improve system designs to reduce pick errors. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
114. Neumann's principle based eigenvector approach for deriving non-vanishing tensor elements for nonlinear optics.
- Author
-
Wu, Zishan and Xiong, Wei
- Subjects
- *
NONLINEAR optics , *OPTICAL susceptibility , *SPIN polarization , *ORDER picking systems , *SYMMETRY - Abstract
Physical properties are commonly represented by tensors, such as optical susceptibilities. The conventional approach of deriving non-vanishing tensor elements of symmetric systems relies on the intuitive consideration of positive/negative sign flipping after symmetry operations, which could be tedious and prone to miscalculation. Here, we present a matrix-based approach that gives a physical picture centered on Neumann's principle. The principle states that symmetries in geometric systems are adopted by their physical properties. We mathematically apply the principle to the tensor expressions and show a procedure with clear physical intuition to derive non-vanishing tensor elements based on eigensystems. The validity of the approach is demonstrated by examples of commonly known second and third-order nonlinear susceptibilities of chiral/achiral surfaces, together with complicated scenarios involving symmetries such as D6 and Oh symmetries. We then further applied this method to higher-rank tensors that are useful for 2D and high-order spectroscopy. We also extended our approach to derive nonlinear tensor elements with magnetization, which is critical for measuring spin polarization on surfaces for quantum information technologies. A Mathematica code based on this generalized approach is included that can be applied to any symmetry and higher order nonlinear processes. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
115. Innovation Awards.
- Subjects
AWARDS ,WAREHOUSE automation ,MATERIALS handling ,DIGITAL twins ,FORKLIFT trucks ,CHATBOTS ,PRESSURE-sensitive adhesives ,ORDER picking systems ,PALLETS (Shipping, storage, etc.) - Abstract
The article announces the winners of the MHI Innovation Awards at Modex 2024, including ForwardX Robotics for Best Innovation of an Existing Product, Configura Inc. for Best IT Innovation and Slip Robotics for Best New Innovation.
- Published
- 2024
116. Autonomous mobile robot basics: AMRs mark new era for safety and efficiency.
- Author
-
LaRocca, Michael
- Subjects
MOBILE robots ,AUTONOMOUS robots ,ORDER picking systems ,AUTOMATED storage retrieval systems ,TWO-dimensional bar codes - Abstract
The article evaluates various autonomous mobile robots (AMRs) including LocusHub by Locus Robotics, GoPal P35 by Robotize and Pailon Lift CR1 by Seegrid.
- Published
- 2024
117. Recent progress and advances of adsorption for Re recovery from solution.
- Author
-
Zhao, Baoxun, Wang, Yaming, Zhang, Huyi, Deng, Lijun, Li, Guosheng, and Cao, Yijun
- Subjects
ADSORPTION (Chemistry) ,COPPER ,ORDER picking systems ,FUNCTIONAL groups ,SURFACE area - Abstract
[Display omitted] Rhenium (Re) has a critical role in the field of aerospace and defense. However, due to its scarcity, it is typically found associate with other metals such as Mo, Cu, Pb in natural ores. To extract Re and enrich its concentration, extraction from solutions has proven to be the most effective method. Therefore, developing efficient Re recovery technology is significant for its adequate application and the national safety. Adsorption, as a green and efficient technique, shows great potential for Re recovery from low or ultra-low concentration solutions. In recent years, numerous adsorption schemes have been developed to separate and enrich Re from liquid phase. In this review, in order to summarize the process of Re adsorption, the recent research about developments of Re adsorption materials and the critical factors controlling the Re adsorption process were provided. The interaction between adsorption performance and surface area, pore specificity, functional groups and charge properties were discussed. Additionally, the influencing factors of the adsorption process and mechanism were reviewed. Finally, the challenges and possible directions in this field of Re adsorption from solution were discussed and highlighted. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
118. Order processing task allocation and scheduling for E-order fulfilment.
- Author
-
Chen, Nan, Kang, Wenxuan, Kang, Ningxuan, Qi, Yongzhi, and Hu, Hao
- Subjects
ORDER picking systems ,INTEGER programming ,RESOURCE allocation ,SCHEDULING ,GENETIC algorithms - Abstract
This paper mainly studies a task allocation and scheduling problem in the multi-thread fulfilment process of electronic order, which seeks to minimise the makespan under thread constraints and order precedence constraints. The problem is formulated as a Mixed Integer Programming (MIP) model and a novel depth-first heuristic is proposed to solve it. The depth-first heuristic shows high effectiveness and efficiency, compared with the current policy and the genetic algorithm in both small/medium-scale and large-scale cases from the real transaction data. In addition, two extensions on precedence constraint reduction and resource allocation are discussed to further improve and manage the e-order fulfilment process. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
119. Electrophysiological correlates of symbolic numerical order processing.
- Author
-
Brunner, Clemens, Schadenbauer, Philip, Schröder, Nele, Grabner, Roland H., and Vogel, Stephan E.
- Subjects
- *
ORDER picking systems , *FUNCTIONAL magnetic resonance imaging , *ARITHMETIC , *ELECTROPHYSIOLOGY , *EVOKED potentials (Electrophysiology) - Abstract
Determining if a sequence of numbers is ordered or not is one of the fundamental aspects of numerical processing linked to concurrent and future arithmetic skills. While some studies have explored the neural underpinnings of order processing using functional magnetic resonance imaging, our understanding of electrophysiological correlates is comparatively limited. To address this gap, we used a three-item symbolic numerical order verification task (with Arabic numerals from 1 to 9) to study event-related potentials (ERPs) in 73 adult participants in an exploratory approach. We presented three-item sequences and manipulated their order (ordered vs. unordered) as well as their inter-item numerical distance (one vs. two). Participants had to determine if a presented sequence was ordered or not. They also completed a speeded arithmetic fluency test, which measured their arithmetic skills. Our results revealed a significant mean amplitude difference in the grand average ERP waveform between ordered and unordered sequences in a time window of 500–750 ms at left anterior-frontal, left parietal, and central electrodes. We also identified distance-related amplitude differences for both ordered and unordered sequences. While unordered sequences showed an effect in the time window of 500–750 ms at electrode clusters around anterior-frontal and right-frontal regions, ordered sequences differed in an earlier time window (190–275 ms) in frontal and right parieto-occipital regions. Only the mean amplitude difference between ordered and unordered sequences showed an association with arithmetic fluency at the left anterior-frontal electrode. While the earlier time window for ordered sequences is consistent with a more automated and efficient processing of ordered sequential items, distance-related differences in unordered sequences occur later in time. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
120. Machine learning improves the prediction of significant fibrosis in Asian patients with metabolic dysfunction‐associated steatotic liver disease – The Gut and Obesity in Asia (GO‐ASIA) Study.
- Author
-
Verma, Nipun, Duseja, Ajay, Mehta, Manu, De, Arka, Lin, Huapeng, Wong, Vincent Wai‐Sun, Wong, Grace Lai‐Hung, Rajaram, Ruveena Bhavani, Chan, Wah‐Kheong, Mahadeva, Sanjiv, Zheng, Ming‐Hua, Liu, Wen‐Yue, Treeprasertsuk, Sombat, Prasoppokakorn, Thaninee, Kakizaki, Satoru, Seki, Yosuke, Kasama, Kazunori, Charatcharoenwitthaya, Phunchai, Sathirawich, Phalath, and Kulkarni, Anand
- Subjects
- *
LIVER diseases , *ASIANS , *NON-alcoholic fatty liver disease , *MACHINE learning , *BLOOD sugar , *ORDER picking systems - Abstract
Summary: Background: The precise estimation of cases with significant fibrosis (SF) is an unmet goal in non‐alcoholic fatty liver disease (NAFLD/MASLD). Aims: We evaluated the performance of machine learning (ML) and non‐patented scores for ruling out SF among NAFLD/MASLD patients. Methods: Twenty‐one ML models were trained (N = 1153), tested (N = 283), and validated (N = 220) on clinical and biochemical parameters of histologically‐proven NAFLD/MASLD patients (N = 1656) collected across 14 centres in 8 Asian countries. Their performance for detecting histological‐SF (≥F2fibrosis) were evaluated with APRI, FIB4, NFS, BARD, and SAFE (NPV/F1‐score as model‐selection criteria). Results: Patients aged 47 years (median), 54.6% males, 73.7% with metabolic syndrome, and 32.9% with histological‐SF were included in the study. Patients with SFvs.no‐SF had higher age, aminotransferases, fasting plasma glucose, metabolic syndrome, uncontrolled diabetes, and NAFLD activity score (p < 0.001, each). ML models showed 7%–12% better discrimination than FIB‐4 to detect SF. Optimised random forest (RF) yielded best NPV/F1 in overall set (0.947/0.754), test set (0.798/0.588) and validation set (0.852/0.559), as compared to FIB4 in overall set (0.744/0.499), test set (0.722/0.456), and validation set (0.806/0.507). Compared to FIB‐4, RF could pick 10 times more patients with SF, reduce unnecessary referrals by 28%, and prevent missed referrals by 78%. Age, AST, ALT fasting plasma glucose, and platelet count were top features determining the SF. Sequential use of SAFE < 140 and FIB4 < 1.2 (when SAFE > 140) was next best in ruling out SF (NPV of 0.757, 0.724 and 0.827 in overall, test and validation set). Conclusions: ML with clinical, anthropometric data and simple blood investigations perform better than FIB‐4 for ruling out SF in biopsy‐proven Asian NAFLD/MASLD patients. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
121. A generalized disjunctive graph model for a complex production problem.
- Author
-
Flamini, Marta and Nicosia, Gaia
- Subjects
PRODUCTION scheduling ,PRODUCTION planning ,ORDER picking systems ,TABU search algorithm ,FLOW shops ,DRUG factories - Abstract
This work focuses on the modeling of the features of a real-world pharmaceutical production problem, where several limited resources must be gathered and scheduled in order to mix and process active substances. The problem can be modelled as a generalization of the job-shop scheduling problem, in which each job corresponds to an order. Besides the standard precedence and capacity constraints of a classical job-shop scheduling problem, release, no-wait and time interval production constraints are added. Furthermore, the processing of each job task must be assisted by an appropriate number of operators and performed by a specific machine, out of a set of feasible machines, that is temporarily installed in a compatible clean room. An innovative generalized disjunctive graph that models all the constraints and the resource conflicts is presented. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
122. The neuronal basis of human creativity.
- Author
-
Malach, Rafael
- Subjects
CREATIVE ability ,COGNITIVE ability ,ORDER picking systems ,HUMAN beings - Abstract
Human creativity is a powerful cognitive ability underlying all uniquely human cultural and scientific advancement. However, the neuronal basis of this creative ability is unknown. Here, I propose that slow, spontaneous fluctuations in neuronal activity, also known as "resting state" fluctuations, constitute a universal mechanism underlying all facets of human creativity. Support for this hypothesis is derived from experiments that directly link spontaneous fluctuations and verbal creativity. Recent experimental and modeling advances in our understanding of the spontaneous fluctuations offer an explanation for the diversity and innovative nature of creativity, which is derived from a unique integration of random, neuronal noise on the one hand with individually specified, deterministic information acquired through learning, expertise training, and hereditary traits. This integration between stochasticity and order leads to a process that offers, on the one hand, original, unexpected outcomes but, on the other hand, endows these outcomes with knowledge-based meaning and significance. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
123. CryoTransformer: a transformer model for picking protein particles from cryo-EM micrographs.
- Author
-
Dhakal, Ashwin, Gyawali, Rajan, Wang, Liguo, and Cheng, Jianlin
- Subjects
- *
PROTEIN models , *ORDER picking systems , *PROTEIN structure , *ARTIFICIAL intelligence , *SIGNAL-to-noise ratio , *IMAGE processing , *MACHINE learning - Abstract
Motivation Cryo-electron microscopy (cryo-EM) is a powerful technique for determining the structures of large protein complexes. Picking single protein particles from cryo-EM micrographs (images) is a crucial step in reconstructing protein structures from them. However, the widely used template-based particle picking process requires some manual particle picking and is labor-intensive and time-consuming. Though machine learning and artificial intelligence (AI) can potentially automate particle picking, the current AI methods pick particles with low precision or low recall. The erroneously picked particles can severely reduce the quality of reconstructed protein structures, especially for the micrographs with low signal-to-noise ratio. Results To address these shortcomings, we devised CryoTransformer based on transformers, residual networks, and image processing techniques to accurately pick protein particles from cryo-EM micrographs. CryoTransformer was trained and tested on the largest labeled cryo-EM protein particle dataset—CryoPPP. It outperforms the current state-of-the-art machine learning methods of particle picking in terms of the resolution of 3D density maps reconstructed from the picked particles as well as F1-score, and is poised to facilitate the automation of the cryo-EM protein particle picking. Availability and implementation The source code and data for CryoTransformer are openly available at: https://github.com/jianlin-cheng/CryoTransformer. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
124. AaDR-PointCloud: An integrated point cloud processing network using attention and deep residual.
- Author
-
Li, Bo, Lu, TongWei, and Min, Feng
- Subjects
- *
POINT cloud , *DEEP learning , *POINT processes , *TRANSFORMER models , *ORDER picking systems - Abstract
3D point cloud has irregularity and disorder, which pose challenges for point cloud analysis. In the past, the projection or point cloud voxelization methods often used were insufficient in accuracy and speed. In recent years, the methods using Transformer in the NLP field or ResNet in the deep learning field have shown promising results. This article expands these ideas and introduces a novel approach. This paper designs a model AaDR-PointCloud that combines self-attention blocks and deep residual point blocks and operates iteratively to extract point cloud information. The self-attention blocks used in the model are particularly suitable for point cloud processing because of their order independence. The deep residual point blocks used provide the expression of depth features. The model performs point cloud classification and segmentation tests on two shape classification datasets and an object part segmentation dataset, achieving higher accuracy on these benchmarks. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
125. Edgeworth expansion of the t-statistic of the whittle MLE for linear regression processes with long-memory disturbances.
- Author
-
Aga, Mosisa
- Subjects
- *
REGRESSION analysis , *TIME series analysis , *SPECTRAL energy distribution , *ORDER picking systems - Abstract
This paper establishes an Edgeworth expansion for the t-statistic of the Whittle Maximum Likelihood Estimator (WMLE) of a linear regression model whose residual component is stationary, Gaussian, and strongly dependent time series. Under the widely used set of assumptions and two more mild additional conditions on the spectral density function and the parametric values, an Edgeworh expansion of the t-statistic of arbitrarily large order of the process is proved to have an error of o (n 1 − s / 2) where s is a positive integer. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
126. Introducing a New Model for Prediction of Mean Cutting Forces Acting on Conical Pick Cutters.
- Author
-
Morshedlou, Amid, Rostami, Jamal, and Moradian, Omid
- Subjects
- *
CUTTING force , *MACHINE learning , *PENETRATION mechanics , *REGRESSION trees , *PREDICTION models , *ORDER picking systems , *ROCK properties , *DECISION trees - Abstract
Conical pick cutters are by far the most common type of rock cutting tools used on variety of excavation equipment in mining and civil applications. Prediction of the forces acting on pick cutters when cutting rock can be an important input towards cutterhead design and performance estimation for such equipment. The cutting forces are a function of the rock strength and pick tip geometry, which is impacted by the bit wear. To develop a prediction model, a database of mean cutting force (MCF) measured in full-scale testing has been compiled and subsequently analyzed using regression methods to find the empirical equations linking MCF to the bit, cutting geometry and rock properties. Full-scale cutting tests are known to offer precise measurement of the cutting forces for a given bit geometry, cutting geometry (spacing between the cuts and depth of penetration), and combined rock mechanic characteristics of the sample; consequently, the information can be used to develop models of prediction of cutting forces. Linear and log-linear regression and tree-based machine learning models (random forest, decision tree, and extreme gradient boost) were used for the analysis of the experimental data. The results demonstrated that while using input parameters including uniaxial compressive strength (UCS), spacing, Brazilian tensile strength (BTS), penetration, and pick cutter's tip radius and tip angle, models can offer a reasonable prediction of the cutting forces. Among the models that have been examined, regression tree models, especially extreme gradient boost shows the highest coefficient of determination (R2), and the lowest mean absolute error (MAE). Highlights: The key input parameters that affect MCF are recognized, and their influence on MCF is thoroughly examined. The most important parameters for predicting cutting forces are UCS, tip angle, penetration, and BTS. Tree-based machine learning models demonstrate superior performance in predicting MCF. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
127. Correcting for cutoff dependence in backward evolution of QCD parton showers.
- Author
-
Frixione, S. and Webber, B. R.
- Subjects
- *
QUANTUM chromodynamics , *PARTONS , *BRANCHING processes , *DISTRIBUTION (Probability theory) , *RENORMALIZATION group , *ORDER picking systems - Abstract
Monte Carlo event generators for hard hadronic collisions depend on the evolution of parton showers backwards from a high-scale subprocess to the hadronization scale. The evolution is treated as a branching process with a sequence of resolvable parton emissions. The criterion of resolvability involves cutoffs that determine the no-emission probability (NEP) for a given range of the evolution scale. Existing event generators neglect cutoff-dependent terms in the NEP that, although formally power-suppressed, can have significant phenomenological effects. We compute such terms and study their consequences. One important result is that it is not possible for the backward shower to faithfully reproduce the cutoff-independent parton distribution functions (PDFs) used to generate it. We show that the computed NEP corrections mitigate but do not eliminate this problem. An alternative approach is to use cutoff-dependent PDFs that are consistent with the uncorrected NEP. Then one must apply cutoff-dependent corrections to hard subprocess matrix elements. We compute those corrections to the first nontrivial order for the Drell-Yan process and for Higgs production by gluon fusion. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
128. ИЗСЛЕДВАНЕ И АНАЛИЗ НА ТРУДОВАТА МОТИВАЦИЯ НА БЪЛГАРСКИТЕ МЕДИЦИНСКИ СЕСТРИ.
- Author
-
Nikolova, Neli Ivanova
- Subjects
- *
HEALTH facilities , *JOB performance , *EMPLOYEE motivation , *JOB satisfaction , *ORDER picking systems - Abstract
The motivation of nursing staff for good work performance is a current topic in Bulgarian healthcare. On the basis of a survey conducted among nurses (with more than 2 years of experience) working in medical facilities for hospital care and health-prophylactic facilities in the territory of Gabrovo region, information was collected, processed and analyzed in order to establish the degree and nature of their professional motivation and job satisfaction. [ABSTRACT FROM AUTHOR]
- Published
- 2024
129. Sipariş toplama ve dağıtım sistemleri için düşük maliyetli yeni bir sistem tasarımı ve uygulaması.
- Author
-
SIDDIQI, Sulaiman, PEHLİVAN, Ihsan, KALAYCI, Onur, BAHADIR, Tevfik, and UZUN, Süleyman
- Subjects
- *
ORDER picking systems , *COVID-19 pandemic , *ONLINE shopping , *SUPPLY chains , *HUMAN resources departments , *WAREHOUSES - Abstract
The Covid-19 pandemic has changed people's shopping habits, causing them to turn to online shopping sites, especially on the internet. In the face of increasing order rates, it has become inevitable for manufacturers and suppliers to produce innovative solutions for collecting orders and delivering them on time. Companies/suppliers who had to use a limited number of manpower due to the pandemic have tried to solve this problem with the use of machinery. In this study, a new low-cost Order Picking and Distribution System application developed for the stages of order picking and distribution in the supply chain is described. This stage of the supply chain is the most problematic, time-consuming and costly. In general, more human resources are used in the proposed solutions. With this application, it is aimed to create a more efficient system in terms of time, manpower, warehouse space and cost. For this purpose, a prototype Order Picking and Distribution System application was designed, manufactured and implemented in real time. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
130. INCREASING THE PRODUCTION CAPACITY OF BUSINESS PROCESSES USING PLANT SIMULATION.
- Author
-
Malega, P. and Daneshjo, N.
- Subjects
- *
PROCESS capability , *INDUSTRIAL capacity , *PRODUCTION increases , *WAREHOUSES , *MANUFACTURING processes , *SIMULATION software , *ORDER picking systems - Abstract
In the paper, we solved the problems regarding the improvement of the production process of allocating material to the inlet of a production hall using the Plant Simulation software in a selected company. The solved problematics are high costs for the shipping company, elimination of the necessity to transfer the semi-finished product from the external warehouse to the production hall and non-effective layout. We deal with the characteristics of the current state of the production process in the production company and create its model in Plant Simulation. Thereafter we propose solutions that can make that process more efficient. The software enables the comparison of complex production alternatives. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
131. Investigating the Impact of Completion Time and Perceived Workload in Pickers-to-Parts Order-Picking Technologies: Evidence from Laboratory Experiments.
- Author
-
Chondromatidis, Nikolaos, Gialos, Anastasios, Zeimpekis, Vasileios, and Madas, Michael
- Subjects
ORDER picking systems ,FACTORIAL experiment designs ,PURCHASE orders ,APPROPRIATE technology ,EXPERIMENTAL design - Abstract
Background: Despite the general impression that digital order-picking supportive technologies can manage a series of emerging challenges, there is still a very limited amount of research concerning the implementation and evaluation of such technologies in manual picker-to-goods order-picking systems. Therefore, this paper aims to evaluate the performance of three alternative picker-to-goods technologies (i.e., Pick-by-Radio Frequency (RF) Scanner, Pick-to-light, and Pick-by-vision) in terms of completion time and perceived workload. Methods: The Design of Experiments (DoE) methodology is adopted to investigate order-picking technologies in terms of completion time. More specifically, a full factorial design has been used (2
3 × 3 full factorial design) for the assessment of the aforementioned order-picking technologies via laboratory testing. Furthermore, for the comparative assessment of the reviewed order-picking technologies in terms of workload, the NASA Task Load Index (NASA-TLX) is embraced by system users. Results: The results reveal that the best picker-to-goods technology in terms of order-picking completion time and perceived workload under certain laboratory setup is light picking when combined with few items per order line and many order lines per order. Conclusion: The paper successfully identified the best picker-to-goods technology, however it is important to mention that the adoption of such order-picking technology implies certain managerial implications that include training programs for employees to ensure they are proficient in using such technologies, upfront costs for purchasing and implementing the order picking system, and adjustments to existing workflows. [ABSTRACT FROM AUTHOR]- Published
- 2024
- Full Text
- View/download PDF
132. A NUMERICAL INVESTIGATION ON FIRE PERFORMANCE OF INDUSTRIAL STEEL WAREHOUSES PROTECTED WITH GYPSUM‐BASED BOARDS.
- Author
-
Aghabozorgi, Pegah, Laím, Luís, and Santiago, Aldina
- Subjects
FIRE investigation ,WAREHOUSES ,STEEL ,FINITE element method ,ORDER picking systems ,HEAT transfer ,FIRE prevention - Abstract
This paper studies the fire performance of steel warehouse with their main elements insulated with fire protection boards composed of gypsum‐based mortars with perlite using the heat transfer and thermomechanical analysis in finite element (FE) software. The primary aim is to identify the optimal thickness of the fire protections boards based on the assigned fire model in thermal analysis. Besides that, a parametric study is also conducted by considering various factors that are often overlooked or not explicitly mentioned in fire design guidelines, such as EN 1991‐1‐2. The findings facilitate the development of optimized fire design approaches, ensuring the structural integrity and safety of steel warehouses under fire conditions. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
133. Multi-AGV route planning in automated warehouse system based on shortest-time Q-learning algorithm.
- Author
-
Zheng Zhang, Juan Chen, and Wenbing Zhao
- Subjects
WAREHOUSES ,AUTOMATED storage retrieval systems ,AUTOMATED planning & scheduling ,AUTOMATED guided vehicle systems ,ORDER picking systems ,ALGORITHMS - Abstract
Route planning for automated guided vehicles (AGVs) is one of the key factors that affects work efficiency of automated storage and retrieval systems (AS/RSes). Route planning plays an important role in the operation of AGVs. Since the characteristic of AS/RSes is chessboard-like, the environment is more complex than traditional route planning environments because the number of nodes is large, more than one shortest route exists between two nodes, and the routes with the shortest distance may not be the most energy-saving routes. Although the traditional route planning algorithms such as the classical Q-learning algorithm can work well in AGV route planning, it also has some limitations. This paper proposes a novel multi-AGV route planning approach to solving the AGV route planning problem in the chessboard-like warehouse, which can improve the route planning efficiency greatly. First, by combining adjacency matrix and reward matrix, we propose a low-dimensional adjacency-reward matrix for route planning. This algorithm improves the efficiency of classical Q-learning algorithms and accelerates dynamic route planning significantly. We further improve the algorithm by considering the travel directions to minimize the number of turns in the route and additionally by considering whether the AGV is loaded or not and plan routes accordingly. Finally, we propose a multi-AGV online collision-free route planning algorithm based on these considerations for dynamic route planning for multi-AGVs operating in a large-scale warehouse. The proposed algorithms are validated with several case studies. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
134. Checking Temporal Constraints of Events in EBS at Runtime.
- Author
-
Trinh, Thanh-Binh, Nguyen, Hanh-Phuc, Nguyen, Dinh-Hai, To, Van-Khanh, and Truong, Ninh-Thuan
- Subjects
INTELLIGENT transportation systems ,SYSTEMS software ,ORDER picking systems - Abstract
As a kind of software system, the Event-Based Systems (EBS) respond to events rather than executing a predefined sequence of instructions. Events usually occur in real time, so it is crucial that they are processed in the correct order and within temporal constraints. The objective of this work is to propose an approach to check if events of EBS at runtime preserve the specification of temporal constraints. To form the approach by logic process, we have formalized the EBS model, through which, we have proved that the complexity of the checking algorithms is only polynomial. The approach has been implemented as a tool (VER) to check EBS at runtime automatically. The results of the proposed method are illustrated by checking a real-world Event Driven Architecture (EDA) application, an Intelligent transportation system. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
135. Suppression of Malicious Code Propagation in Software-Defined Networking.
- Author
-
Li, Fengjiao and Ren, Jianguo
- Subjects
TRAFFIC monitoring ,LYAPUNOV functions ,ORDER picking systems ,COMPUTER simulation ,COMPARATIVE studies ,SOFTWARE-defined networking - Abstract
The flexibility and programmability of SDN enable dynamic and automated network configuration and traffic routing. However, this also provides more avenues for malicious code propagation, leading to serious risks such as service disruptions and privacy breaches. To address this problem, we first designed three modules to suppress malicious code propagation: the abnormal traffic detection module, the malicious code analysis module, and the abnormal traffic tracing module. Then, the sharing mechanism is introduced. In order to analyze the process of malicious code propagation more clearly, based on the above strategy, this paper introduces the warning node into the classical SIR model, which can be exploited for studying how to control malicious code propagation to prevent large-scale outbreaks. The propagation threshold and equilibrium point of the proposed model are obtained through calculations. By constructing a Lyapunov function, the equilibrium point is proven stable. Finally, numerical simulation results indicate that when the detection rate reaches 90%, approximately 86.3% fewer nodes are infected at the peak point. Through comparative analysis, our system demonstrates optimal performance, validating the effectiveness of the analytical results. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
136. Joint alignment network preserving structural information for multimode process fault diagnosis.
- Author
-
Tan, Shuai, Xu, Xiayi, Shi, Hongbo, and Song, Bing
- Subjects
DEEP learning ,FAULT diagnosis ,INFORMATION processing ,DATA distribution ,DATA structures ,ORDER picking systems - Abstract
Production conditions are complex and varied for a number of reasons. Models for defect diagnosis may perform worse as a result of the distributional mismatch between test data and training data. In order to diagnose process faults, it is crucial to take into account the fact that data exhibits varied distribution characteristics under various conditions. In the case of multiple operating conditions, the cross‐domain problem caused by different data distributions can degrade the performance of deep learning‐based fault diagnosis models. To overcome this challenge, a joint alignment network preserving structural information (JANSI) method is proposed. To extract richer and fine‐grained domain‐invariant features, the structural information preservation is proposed, which combines domain labels, category labels, and data distribution structures. To increase intra‐class compactness and inter‐class separability, class centre alignment is proposed. The effectiveness of the method on the cross‐domain unsupervised fault diagnosis problem is verified through three case studies. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
137. Using implementation mapping to refine strategies to improve implementation of an evidence-based mobile market intervention: a study protocol.
- Author
-
Kasprzak, Christina M., Canizares, Andy, Lally, Anne, Tirabassi, Jill N., Vermont, Leah N., Lev, Samuel, Ammerman, Alice S., and Leone, Lucia A.
- Subjects
RESEARCH protocols ,NUTRITION education ,TECHNICAL assistance ,ORDER picking systems ,COMMUNITY organization ,SOCIAL support - Abstract
Objectives: The Veggie Van model is a mobile market model that is efficacious in increasing fruit and vegetable consumption for lower-income participants. The model is currently being evaluated for its effectiveness in a multi-state trial. Preliminary implementation data, collected through process measures surveys and implementation interviews, indicate that there are several barriers to implementation among partner organizations and implementation fidelity to the Veggie Van model was low. Consideration and planning for implementation ought to occur early and often throughout the research process order to ensure Veggie Van model effectiveness. This paper describes the step-by-step process for creating strategies to enhance implementation of Veggie Van model components. Methods: Implementation mapping is a systematic process to develop implementation strategies through engagement with key stakeholders. We conducted a series of interviews (n = 31 representatives) with partner organizations (n = 8) to identify facilitators and barriers to Veggie Van model implementation. We then applied interview findings to an Implementation Mapping process to develop theory and practice-driven strategies to be integrated into existing implementation tools and technical assistance. Results: We identified implementation outcomes (e.g., staff implement the Veggie Van model component of nutrition education with fidelity) and performance objectives (e.g., offer nutrition education, in the form of food lessons and/or food demonstrations, at least bi-weekly) to achieve them. We conducted a secondary qualitative analysis of the findings from implementation interviews with partner organizations to identify behavioral determinants (e.g., attitudinal beliefs, social support) which were combined with the performance objectives to generate change objectives (e.g., view the Veggie Van model as advantageous to an organization and communities served). To achieve the change objectives, we developed implementation strategies that would be integrated into existing Veggie Van training resources including an online toolkit, webinars and trainings, an annual mobile market conference, and technical assistance. Conclusion: The development of theory and practice-driven implementation strategies will enable us to improve our implementation tools, thereby improving fidelity to the Veggie Van model among organizations and increasing the likelihood of its effectiveness. Detailing the design of a multifaceted implementation strategy using Implementation Mapping also provides a model to design similar strategies for other community-based interventions. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
138. TIME HISTORY NONLINEAR ANALYSIS FOR 2D MODELIZATION OF AN EXISTING BUILDING USING FLEXIBILITY AND DISPLACEMENTBASED FORMULATION.
- Author
-
Belgasmia, Mourad, Moussaoui, Sabah, and Chabane, Rebadj
- Subjects
- *
NONLINEAR analysis , *DISTRIBUTED computing , *CHAIN restaurants , *ORDER picking systems , *SOFTWARE engineering , *REACTION time - Abstract
The object of research is a distributed order processing system for a restaurant chain. The subject of the research is the analysis of the use of Redis for managing event queues in distributed systems. When implementing a distributed order processing system in a restaurant chain with a possible load of up to 20,000 users per day, the Redis system was used. Management of 9 distributed subsystems was organized through Redis. This solution showed an increase in the performance of the system under heavy load (from 50 transactions per second), but the response time of the system in some cases of its operation was longer than without using Redis. When working systems using Redis, it is necessary to take into account the amount of data with which Redis will work, since it does not exceed the amount of RAM, the absence of differentiation into users and groups, and the absence of a query language, which is replaced by a key-value scheme. This research is aimed at analyzing the operation of the system during trial operation under real load. We compared the operation of a configured system with Redis enabled and disabled. The main indicators for the analysis were the system response time and the maximum request execution time. The research was carried out for 2 weeks, the first week using the system settings with disabled Redis, the second – with enabled Redis. We selected 2 days with a similar load on the system to each other. Especially indicative are the results of comparing the durations of the longest queries, which show an almost constant value of the duration for the system in the mode of enabled Redis. The hypothesis of an increase in the system response time at low loads was confirmed, but this value not only leveled off at a load of 500 unique users but also became less at loads of 1000 unique users. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
139. EXPERIMENTAL STUDY OF WATER SPREADING PARAMETERS WHEN EXTINGUISHING FIRES USING AIRCRAFT SPRINKLERS.
- Author
-
Panchenko, Serhii, Bychenko, Artem, and Nizhnyk, Vadym
- Subjects
SPRINKLERS ,FIREFIGHTING ,FIRE prevention ,AIR warfare ,IMAGE processing ,ORDER picking systems ,WATER-pipes - Abstract
This paper reports results of an experimental study on hydrodynamic processes when water is dropped from a height, as well as their influence on the movement of liquid, in order to optimize the processes of aviation firefighting. The main parameters of water dispersion were determined based on a series of experiments. It was established that the average diameter of drops when dropped from a height of 10 meters is 2.5 mm, with a maximum spraying distance of up to 15 meters. The size distribution of the droplets showed that 30 % of the droplets have a diameter of less than 2 mm, 50 % are between 2 and 5 mm, and 20 % are more than 5 mm. During the experiments, it was measured that the time for pouring water from the container is 3 seconds, and the speed of movement of water fractions when dropped from a height of 10 meters is 9.8 m/s. With an increase in the discharge height by 5 meters, the speed of water movement increased by 20 %. One of the key points of the study is the improvement of the Torricelli equation by introducing the coefficient K (0.85), which takes into account the viscosity and density of water, which improved the accuracy of calculations by 15 % compared to the standard equation. Python was used to process and interpret the video data, along with libraries such as OpenCV for image processing, NumPy for high-performance mathematical computations, and Matplotlib for data visualization. The resulting data open up new prospects for devising aerial firefighting strategies, providing a 20 % increase in coverage area, and a 25 % reduction in firefighting time. Torricelli’s equation was improved; a new procedure was devised for the experimental determination of water dispersion parameters, which has an important practical application in the field of fire safety. In the field of fire safety, the data obtained could be used to improve aviation firefighting strategies, which would allow for greater efficiency and safety. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
140. Multi-AGV-Driven Pallet-Picking Scheduling Optimization (MADPSO): A Method for Flexible Multi-Level Picking Systems.
- Author
-
Li, Jinghua, Chen, Yidong, Zhou, Lei, Dong, Ruipu, Yin, Wenhao, Huang, Wenhao, and Zhang, Fan
- Subjects
SCHEDULING ,MATHEMATICAL optimization ,ORDER picking systems ,ENERGY consumption ,SHIPBUILDING ,SHIPYARDS ,MATERIALS management - Abstract
In the context of increasingly competitive shipbuilding, the flexible multi-level picking system, composed of high-rise shelves, Automated Guided Vehicles (AGVs), and picking stations, has been of gradual interest because of its advantages in operation efficiency, system flexibility, and system robustness. Compared with other simple-level systems, the flexible multi-level picking system has a more complex coupling temporal relationship, which makes the scheduling optimization of shipbuilding automated collaborative order picking (SACOP) extremely difficult. In order to avoid the dilemma of finding a feasible and optimal collaborative scheduling scheme under the constraints of a complex temporal relationship, this paper proposed a multi-AGV-driven pallet-picking scheduling optimization (MADPSO) method, which takes the AGV scheduling scheme as the direct solution and modifies it to a feasible solution under the reasonably designed interaction strategy of stacker, AGV, and the interaction strategy of picking station, AGV. Furthermore, taking the minimum energy consumption and operation time as the optimization objectives, a multi-objective optimization mathematical model was established to describe MADPSO, and an improved NSGA-III algorithm was designed to solve the problem. Finally, several experiments were conducted in various scenarios and verified that using MADPSO can achieve a comprehensive optimization index improvement of 52.02–75.66% compared with traditional picking methods, which has a certain reference significance for shipyards. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
141. Raising logistics performance to new levels through digital transformation.
- Author
-
Lam, HY, Tang, Valerie, and Wong, L
- Subjects
DIGITAL transformation ,ROBOTIC process automation ,SMALL business ,ORDER picking systems ,LOGISTICS - Abstract
In view of the higher demand and customer expectations on the speed and accuracy of e-commerce logistics service as well as the repetitive and time-consuming nature of manual order processing operation. This paper proposes a robotic process automation (RPA) model to liberate human resources over time-consuming, inefficient, non-value-added, and repetitive operational processes occupying workforces. This paper proposed an RPA model that integrates three functional RPA bots in (1) tracking order status, (2) capturing order data, and (3) verifying order data to increase the efficiency and accuracy of logistics operation and the order-handling process in small- and medium-sized enterprise (SME) logistics company. A case study was conducted on an SME logistics service providing customers with inbound and outbound operation services. The result demonstrated that the proposed model significantly improves logistics operations performance against a human approach concerning key indicators after implementation. Logistics companies could free up the workforce for value-creating activities in value-added services. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
142. KEY INVENTORY FACTORS: PACKAGING PRODUCTS IN THE BEVERAGE INDUSTRY PERSPECTIVE.
- Author
-
OSMANOVIKJ, Dijana, MINOVSKI, Robert, and JOVANOSKI, Bojan
- Subjects
- *
INVENTORY management systems , *PACKAGING industry , *ORDER picking systems , *BEVERAGE industry , *INVENTORIES , *INVENTORY control - Abstract
The purpose of this paper is to assess the key factors that have the greatest impact on the inventory level, with a special emphasis on packaging products in the beverage industry in seven different countries. The research methodology includes: (1) Defining the pool of Key Inventory Factors, (2) Defining the final list of Key Inventory Factors, (3) Collecting data, (4) Analysis of the data (according to four different aspects) and recommendations. This study shows that these three factors: Holding costs, Information flow and Systems for order processing, inventory monitoring and inventory control (Systems for OPIMIC) have a significant correlation with the company's success. The paper offers additional analysis regarding the differences among them when it comes to their treatment in the Inventory Management Systems. [ABSTRACT FROM AUTHOR]
- Published
- 2024
143. Towards Automated Target Picking in Scalar Magnetic Unexploded Ordnance Surveys: An Unsupervised Machine Learning Approach for Defining Inversion Priors.
- Author
-
McGinnity, Claire, Kolster, Mick Emil, and Døssing, Arne
- Subjects
- *
MACHINE learning , *ORDNANCE , *HIERARCHICAL clustering (Cluster analysis) , *TARGETED drug delivery , *AUTOMATION , *ORDER picking systems - Abstract
With advancements in both the quality and collection speed of magnetic data captured by uncrewed aerial vehicle (UAV)-based systems, there is a growing need for robust and efficient systems to automatically interpret such data. Many existing conventional methods require manual inspection of the survey data to pick out candidate areas for further analysis. We automate this initial process by implementing unsupervised machine learning techniques to identify small, well-defined regions. When further analysis is conducted with magnetic inversion algorithms, then our approach also reduces the nonlinear computation and time costs by breaking one huge inversion problem into several smaller ones. We also demonstrate robustness to noise and sidestep the requirement for large quantities of labeled training data: two pitfalls of current automation approaches. We propose first to use hierarchical clustering on filtered magnetic gradient data and then to fit ellipses to the resulting clusters to identify subregions for further analysis. In synthetic data experiments and on real-world datasets, our model successfully captures all true targets while simultaneously proposing fewer computationally costly false positives. With this approach, we take an important step towards fully automating the detection of high-risk subregions, but we wish to emphasize the importance of prudent skepticism until it has been tested and proven on more diverse data. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
144. Blended acquisition with temporally signatured/modulated and spatially dispersed source array: Concept and method.
- Author
-
Ishiyama, Tomohide
- Subjects
- *
ORDER picking systems , *ENCODING - Abstract
We introduce a blended‐acquisition method: temporally signatured and/or modulated and spatially dispersed source array. The former, signatured and dispersed source array has much less constraints in the encoding with operational flexibility, allowing non‐uniform sampling and non‐patterned shooting both in the space and time dimension. The latter, modulated and dispersed source array allows straightforward deblending by filtering and physically separating frequency channels in the frequency domain. We demonstrate our method by synthesizing the blended acquisition followed by deblended‐data‐reconstruction processing in order to discuss the virtues. The examples show that this method could make the blended‐acquisition encoding and operations indeed simple and robust; the same is true for the deblending processing. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
145. The multilateral spatial integer‐valued process of order 1.
- Author
-
Karlis, Dimitris, Chutoo, Azmi, Mamode Khan, Naushad, and Jowaheer, Vandna
- Subjects
- *
ORDER picking systems , *MAXIMUM likelihood statistics , *PARAMETER estimation , *CHRONIC myeloid leukemia - Abstract
In spatial count data analysis, modeling with a multilateral lattice structure presents some important challenges. They include both the model construction and the estimation of the model parameters, since the structure accommodates the left, right, top, bottom, and diagonal site effects. Thus, the multilateral spatial process unifies all the popular spatial subclasses that include the unilateral, Rook, Bishop, and Queen models and, hence, makes it suitable for a wide variety of applications. This paper introduces a first‐order multilateral integer‐valued spatial process, based on a binomial thinning mechanism and some innovation term, under both stationary and nonstationary conditions. The estimation of parameters is handled by the conditional maximum likelihood estimation (CML) approach. Simulation experiments are implemented to assess the consistency of the CML estimators in the stationary and nonstationary multilateral spatial model and its subclasses, based on different grid sizes and under both covariate and noncovariate designs. The proposed model, along with its subclasses are applied to real datasets. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
146. Design and development of an automated product-fetching platform for electronic orders.
- Author
-
Vlassis, Konstantinos, Papaioannou, Evi, and Kaklamanis, Christos
- Subjects
ELECTRONIC commerce ,INTERNET of things ,AUTOMATION ,ORDER picking systems ,ACCURACY - Abstract
We present "E-shopaholic," an innovative e-commerce platform that integrates advanced automation techniques to optimize the online shopping experience. "E-shopaholic" exploits automation to address challenges of traditional e-commerce systems, particularly in order-picking. Leveraging the Internet of Things (IoT), "E-shopaholic" employs a NodeMCU ESP8266 module and a servo motor to simulate the picking and placing of products, aiming to contribute to the evolution of efficient e-commerce operations through automation. The platform, with its real-time automated order processing and updates, aims to enhance operational efficiency by lowering order processing times, increasing accuracy, and improving the overall order fetching process. The system design and implementation are discussed in detail, highlighting the potential of IoT and automation to transform e-commerce practices. "Eshopaholic" serves as a proof of concept for scalable and cost-effective solutions in the ecommerce sector, suggesting a path forward for research and development in automated systems. [ABSTRACT FROM AUTHOR]
- Published
- 2024
147. Discretization Order Influences on Extended Kalman Filter Estimation for Doubly-Fed Induction Generator.
- Author
-
BOUSSOUFA, Ahmad, AHRICHE, Aimad, KIDOUCHE, Madjid, and DOGHMANE, Mohammed Zinelabidine
- Subjects
KALMAN filtering ,INDUCTION generators ,EULER method ,DISCRETIZATION methods ,ORDER picking systems - Abstract
Copyright of Przegląd Elektrotechniczny is the property of Przeglad Elektrotechniczny and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
- View/download PDF
148. Acrobats and Safety Nets: Problematizing Large-Scale Agile Software Development.
- Author
-
Rolland, Knut H., Fitzgerald, Brian, Dingsøyr, Torgeir, and Stol, Klaas-Jan
- Subjects
AGILE software development ,COMPUTER software industry ,LITERATURE reviews ,ORDER picking systems ,SOFTWARE architecture ,REQUIREMENTS engineering - Abstract
Agile development methods have become a standard in the software industry, including in large-scale projects. These methods share a set of underlying assumptions that distinguish them from more traditional plan-driven approaches. In this article, we adopt Alvesson and Sandberg's problematization approach to challenge three key assumptions that are prevalent in the large-scale agile literature: (1) agile and plan-driven methods are mutually exclusive; (2) self-managing and hierarchically organized teams are mutually exclusive; and (3) agile methods can scale through simple linear composition. Using a longitudinal case study of large-scale agile development, we describe a series of trigger events and episodes whereby the agile approach was tailored to address the needs of the large-scale development context, which was very much at odds with these fundamental assumptions. We develop a set of new underlying assumptions which suggest that agile and plan-driven practices are mutually enabling and necessary for coordination and scaling in large-scale agile projects. We develop nine propositions for large-scale agile projects based on these new alternative underlying assumptions. Finally, we summarize our theoretical contribution in a generic process model of continuously adjusting agile and plan-driven practices in order to accommodate process challenges in large-scale agile projects. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
149. Translating Noncanonical Ancillary Qur'anic Oppositions Into English: An Etiotypological Analysis.
- Author
-
Hassanein, Hamada S. A. and Moustafa, Basant S. M.
- Subjects
FRAMES (Linguistics) ,HUMAN reproduction ,CROSS-cultural communication ,ORDER picking systems ,TRANSLATING & interpreting - Abstract
Translating the sacred in a so-called divine language has been shown to be so difficult and challenging a task for translators of the Bible or the Qur'an. The human reproduction of the divine product(ion) has biblically and qur'anically been found to raise (in)soluble challenges and (in)surmountable hurdles in bicultural and cross-cultural communication and transfer in translation. One great challenge or big obstacle thereof is the (un)transferability of noncanonical ancillary oppositions from SL (QA) to TL (E) which is sought to be explored and investigated by the current study from a linguistic-translational perspective. Based on corpus data across several languages, noncanonical ancillary opposition has been shown to co-occur in preponderant syntactic frames loaned from fellow categories, such as coordination, subordination, transition, and so forth, to perform cross-categorial discourse functions in canonical, semicanonical, and noncanonical configurations, and to entertain a propensity and penchant for special multi-principled and rulegoverned sequences based on morphology, gender, agency, and so on. The specific objectives of this study are to compare and contrast SL and TL frequent frameworks and ordering sequences in the process and product of translation. It was found that a number of these frames and functions have gone untended and unrendered by the two Qur'an translators under scrutiny due to their incognizance of colligational forms and discursive functions as translation units of functional sentence perspective contributing to the semantic ends of intraversially sentential structures. It was also revealed that SL paradigmatic lexical choices were too semantically distinct and complex to lexicalize into TL. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
150. Gate-Driving Performance Evaluation Based on a New Figure of Merit.
- Author
-
Martinez-Padron, Daniel Sting, Patin, Nicolas, and Monmasson, Eric
- Subjects
ELECTRONIC equipment ,SIGNAL filtering ,SIGNAL processing ,ORDER picking systems ,ELECTROMAGNETIC interference - Abstract
Fast switching within static converters is a key to high-efficiency operation and a source of electromagnetic disturbances that can harm the proper functioning of the converters themselves or the electronic equipment placed in their neighborhood. To characterize disturbances, engineers are mainly focused on the spectral content since the higher the switching speed, the more important the high-frequency components are. In this article, a figure of merit (FOM) independent of switching speed is proposed. It allows us to compare switching patterns produced by a gate driver to each other, using as a reference the mathematical optimum of a Gaussian pattern as well as other elementary forms for which the FOM is known. A complete implementation methodology is presented to properly use this FOM that considers an adapted sampling frequency and filtering of signals before processing in order to correctly obtain information for the optimal adjustment of a driver. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.