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6. Overview of contemporary systems driven by open-design movement

Author

Medhi, Aditya M., Patange, Abhishek D., Pardeshi, Sujit S., Jegadeeshwaran, R., and Kuntoglu, Mustafa

Subjects
Computer Science - Hardware Architecture, Computer Science - Computers and Society, Computer Science - Software Engineering
Abstract

The movement for open-design focuses on the creation of machines, physical systems, and products using design information shared publicly. It consists of the development of systems incorporating open-source hardware and software which can be easily/freely customized and implemented. Generally, this movement is adopted through the Internet and usually executed without economic recompense. The aim and idea of this movement is similar to the open-source movement, however is employed for designing & developing physical systems instead of software system alone. This design necessitates co-creating the end product, which is expected to be designed by the users, in place of an outdoor investor for example a private business. In tune with this, the comprehensive review is carried out wherein a variety of contemporary systems driven by open-design movement for diverse applications is discussed., Comment: 27 pages, 10 Figures, 1 Table

Published
2022

24. A Comprehensive Review on Low-Cost MEMS Accelerometers for Vibration Measurement: Types, Novel Designs, Performance Evaluation, and Applications.

Author

Binali, Rüstem, Demirpolat, Havva, Kuntoğlu, Mustafa, Makhesana, Mayur, Yaghoubi, Saeed, and Sayın Kul, Bahar

Subjects
ACCELEROMETERS, VIBRATION measurements, PERFORMANCE evaluation, MICROELECTROMECHANICAL systems, INDUSTRY 4.0
Abstract

Maintenance of mechanical elements is considered to be the most crucial task in industry and affects the economics, predominantly. There are many techniques available for fault diagnosis and condition monitoring of rotatory machine elements and one of the popular tools is vibration monitoring. Analyzing vibrations would be useful in supervising equipment/machine components in an attempt to detect the significant change which is the cause of growing failures or faults. Broadly speaking, it comes under prognostics and health monitoring (PHM) and prevents unexpected failure and costly repair. Proficient predictive monitoring and on-board recognition of failures is a need of the Fourth Industrial Revolution. Several types of vibration analyzers and sensors are commercially available, however, their total budget is not affordable. This motivates reviewing the suitability of low-cost sensors for vibration monitoring. An inclusive review of a variety of applications wherein microelectromechanical system (MEMS)-based accelerometer is used is presented in this paper. This would support an open-design movement for creating open. [ABSTRACT FROM AUTHOR]

Published
2024
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45. Different Aspects of Machinability in Turning of AISI 304 Stainless Steel: A Sustainable Approach with MQL Technology.

Author

Binali, Rüstem, Demirpolat, Havva, Kuntoğlu, Mustafa, and Salur, Emin

Subjects
STAINLESS steel, MACHINABILITY of metals, AUSTENITIC stainless steel, CUTTING force, SURFACE roughness, THERMAL conductivity, SURFACE forces
Abstract

Machining of AISI 304 austenitic stainless steel is considered to be difficult due to its structural aspects and low thermal conductivity, which leads to increased temperatures during machining. To overcome the challenges of machining AISI 304 stainless steel, several cooling and lubricating techniques have been developed. The main objective of this experimental study is to evaluate the different turning conditions of AISI304 stainless steel under dry and minimum quantity lubrication (MQL) environment conditions. The machining experiments were conducted using a two-level full factorial design method and utilized a TiC-coated cutting tool. The tool-tip temperature, cutting force and surface roughness were analyzed regarding three cutting parameters namely, cutting speed, feed rate and cutting depth. Also, chip macro-morphology was investigated to define the interaction at the tool-chip-workpiece region. The cutting medium affects the surface roughness significantly (more than 100%) for all cutting parameter values. In some environmental cutting conditions, high cutting speed provides 10% lesser surface roughness than low cutting speed parameters. Also, the cutting force decreases by 20% in low feed rate machining conditions. However, the effect of this parameter disappeared for cutting forces in high feed rates and low cutting depth conditions in both MQL and dry environments. Cutting speed was observed as the most influential factor on surface roughness, followed by feed rate. The depth of cut was the main parameter that caused the temperature to increase in the dry machining environment. [ABSTRACT FROM AUTHOR]

Published
2023
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