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101 results on '"Loukatos, Dimitrios"'

2. Extending Smart Phone Based Techniques to Provide AI Flavored Interaction with DIY Robots, over Wi-Fi and LoRa Interfaces

Author

Loukatos, Dimitrios and Arvanitis, Konstantinos G.

Abstract

Inspired by the mobile phone market boost, several low cost credit card-sized computers have made the scene, able to support educational applications with artificial intelligence features, intended for students of various levels. This paper describes the learning experience and highlights the technologies used to improve the function of DIY robots. The paper also reports on the students' perceptions of this experience. The students participating in this problem based learning activity, despite having a weak programming background and a confined time schedule, tried to find efficient ways to improve the DIY robotic vehicle construction and better interact with it. Scenario cases under investigation, mainly via smart phones or tablets, involved from touch button to gesture and voice recognition methods exploiting modern AI techniques. The robotic platform used generic hardware, namely arduino and raspberry pi units, and incorporated basic automatic control functionality. Several programming environments, from MIT app inventor to C and python, were used. Apart from cloud based methods to tackle the voice recognition issues, locally running software alternatives were assessed to provide better autonomy. Typically, scenarios were performed through Wi-Fi interfaces, while the whole functionality was extended by using LoRa interfaces, to improve the robot's controlling distance. Through experimentation, students were able to apply cutting edge technologies, to construct, integrate, evaluate and improve interaction with custom robotic vehicle solutions. The whole activity involved technologies similar to the ones making the scene in the modern agriculture era that students need to be familiar with, as future professionals.

Published
2019

3. Assessment of the TEROS 10 and TEROS 12 sensors in soil moisture measurement

Author

Fragkos Athanasios, Loukatos Dimitrios, Kargas Georgios, Symeonaki Eleni, and Arvanitis Konstantinos G.

Subjects
Environmental sciences, GE1-350
Abstract

This study focuses on investigating the accuracy of the empirical equations proposed by the manufacturing company for the widely used TEROS 10 and TEROS 12 sensors. Specifically, the study examines whether the raw - unprocessed - measurements provided by the two sensors lead to reliable predictions of soil moisture and electrical conductivity values when these particular empirical equations are utilized. For this purpose, a prototype setup was developed, incorporating a lowcost microcontroller along with auxiliary power supply and data acquisition circuits for the sensors. The results highlight the need for specific calibration of the sensors for each soil type and salinity level. Additionally, the behaviour of the sensors operating at low frequency (70 MHz) under increasing salinity conditions is contrary to expectations.

Published
2024
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4. Experimental Performance Evaluation Techniques of LoRa Radio Modules and Exploitation for Agricultural Use

Author

Loukatos, Dimitrios, Fragkos, Athanasios, Arvanitis, Konstantinos G., Pardalos, Panos M., Series Editor, Thai, My T., Series Editor, Du, Ding-Zhu, Honorary Editor, Belavkin, Roman V., Advisory Editor, Birge, John R., Advisory Editor, Butenko, Sergiy, Advisory Editor, Kumar, Vipin, Advisory Editor, Nagurney, Anna, Advisory Editor, Pei, Jun, Advisory Editor, Prokopyev, Oleg, Advisory Editor, Rebennack, Steffen, Advisory Editor, Resende, Mauricio, Advisory Editor, Terlaky, Tamás, Advisory Editor, Vu, Van, Advisory Editor, Vrahatis, Michael N., Associate Editor, Xue, Guoliang, Advisory Editor, Ye, Yinyu, Advisory Editor, Bochtis, Dionysis D., editor, Lampridi, Maria, editor, Petropoulos, George P., editor, Ampatzidis, Yiannis, editor, and Pardalos, Panos, editor

Published
2022
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5. Revealing Characteristic IoT Behaviors by Performing Simple Energy Measurements via Open Hardware/Software Components

Author

Loukatos, Dimitrios, Dimitriou, Nikos, Manolopoulos, Ioannis, Kontovasilis, Kimon, Arvanitis, Konstantinos G., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Yang, Xin-She, editor, Sherratt, Simon, editor, Dey, Nilanjan, editor, and Joshi, Amit, editor

Published
2022
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7. Assisting DIY Agricultural Robots Towards Their First Real-World Missions

Author

Loukatos, Dimitrios, Arvanitis, Konstantinos G., Pardalos, Panos M., Series Editor, Thai, My T., Series Editor, Du, Ding-Zhu, Honorary Editor, Belavkin, Roman V., Advisory Editor, Birge, John R., Advisory Editor, Butenko, Sergiy, Advisory Editor, Kumar, Vipin, Advisory Editor, Nagurney, Anna, Advisory Editor, Pei, Jun, Advisory Editor, Prokopyev, Oleg, Advisory Editor, Rebennack, Steffen, Advisory Editor, Resende, Mauricio, Advisory Editor, Terlaky, Tamás, Advisory Editor, Vu, Van, Advisory Editor, Vrahatis, Michael N., Associate Editor, Xue, Guoliang, Advisory Editor, Ye, Yinyu, Advisory Editor, Bochtis, Dionysis D., editor, Pearson, Simon, editor, Lampridi, Maria, editor, and Marinoudi, Vasso, editor

Published
2021
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14. Investigating Educationally Fruitful Speech-Based Methods to Assist People with Special Needs to Care Potted Plants

Author

Loukatos, Dimitrios, Arvanitis, Konstantinos G., Armonis, Nikolaos, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Ahram, Tareq, editor, Taiar, Redha, editor, Colson, Serge, editor, and Choplin, Arnaud, editor

Published
2020
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15. Flexible Techniques for Fast Developing and Remotely Controlling DIY Robots, with AI Flavor

Author

Loukatos, Dimitrios, Kahn, Ken, Alimisis, Dimitris, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Moro, Michele, editor, Alimisis, Dimitris, editor, and Iocchi, Luca, editor

Published
2020
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22. Contributors

Author

Achillas, Charisios, primary, Adamides, George, additional, Alexiou, George, additional, Arvanitis, Konstantinos G., additional, Banias, Georgios F., additional, Bauerdick, Josef, additional, Bernhardt, Heinz, additional, Bochtis, Dionysis, additional, Canavari, Maurizio, additional, Carli, Giacomo, additional, Dietrich, Reinhard, additional, Eom, Gil-Un, additional, Fragkos, Athanasios, additional, Frech, Lorenz, additional, Gaál, Márta, additional, Giannakopoulou, Marianthi, additional, Gräff, Anja, additional, Hijazi, Omar, additional, Höhendinger, Martin, additional, Höld, Manfred, additional, Illés, Ivett, additional, Kateris, Dimitrios, additional, Kemény, Gábor, additional, Kfir, Shlomi, additional, Kiss, Andrea, additional, Kleisiari, Christina, additional, Kontogiannopoulos, Konstantinos N., additional, Kovács, Tamás, additional, Krieg, Hans Jürgen, additional, Kyrgiakos, Leonidas-Sotirios, additional, Lámfalusi, Ibolya, additional, Lampridi, Maria, additional, Lee, Doheon, additional, Loukatos, Dimitrios, additional, Magda, Róbert, additional, Marinoudi, Vasso, additional, Medici, Marco, additional, Mettenleiter, Sonja, additional, Molnár, András, additional, Moon, Junghoon, additional, Moysiadis, Theocharis, additional, Naor, Amos, additional, Niavis, Spyros, additional, Park, Yeowoon, additional, Patsios, Sotiris I., additional, Pearson, Simon, additional, Roy, Latsch, additional, Ruedi, Stark, additional, Salzer, Yael, additional, Sørensen, Claus G., additional, Stumpenhausen, Jörn, additional, Stylianou, Andreas, additional, Szilágyi, Róbert, additional, Szlovák, Sándor, additional, Tagliaventi, Maria Rita, additional, Tóth, Judit, additional, Treiber, Maximilian, additional, Várallyai, László, additional, Vlontzos, George, additional, Yechezkely, Yehoshua, additional, Yonai, Eyal, additional, Yuk, Aesol, additional, Zait, Shimon, additional, and Zotos, Nikolaos, additional

Published
2021
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46. A Mixed Reality Approach Enriching the Agricultural Engineering Education Paradigm, against the COVID-19 Constraints

Author

Loukatos, Dimitrios Zoulias, Emmanouil Kyrtopoulos, Loannis-Vasileios Chondrogiannis, Eleftherios Arvanitis, Konstantinos G.

Abstract

Since the very early beginning of the mankind history, any great difficulty, like wars or diseases, had to be a challenge for progress and innovation, otherwise the game was lost. In this regard, the recent COVID-19 pandemic provides to the learners' and teachers' community a great opportunity to better adapt and enrich their educational practices. Initially, aiming to assist students of agricultural engineering to demystify the innovative technologies of their scientific area, a remotely programmed and controlled robotic arm platform for fruit-picking purposes is deployed. This is just the excuse behind which a colorful bouquet of modern and software and hardware components are glued together to provide the potential for supporting a wide range of modern engineering applications. In an era that the speed of the technological achievements makes difficult to categorize their impact in industry, society or education, the proposed approach can be classified as containing mainly mixed reality, mobile, blended and project-based learning characteristics. A first set of results indicate that the discussed platform can greatly assist the students to tackle the lack of physical presence in the laboratory/classroom providing a quite interesting alternative to full in-vitro educational practices.

Published
2021

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