Abstract
Relay is an electrical switch that consists of coil and movable iron armature and contactor that act to open and close the switch respectively. Normally relay will degrade after being operated for certain period. The conventional way to diagnose the relay condition is a time consuming and rather ticklish. The aim of this project is to provide a solution to overcome the difficulty of testing a relay using the conventional way. The embedded system is designed to be able to perform the functional test and parameter test of the relay. Functional test is done to determine the relay contacts whether it is functioning or not whereas parameter test is done to check on every pickup and drop out voltage for all contact of the relay. The embedded design developed using Arduino board with keypad and LCD for user interface and device under test (DUT) adapter and interfaced board to place the relay under testing. The relay is plugged into the suitable DUT adapter and then the DUT adapter in plug into the interfaced board. The LCD shows the menu and the result of the test. The keypad is to allow the user to select the options for relay testing. Lastly, the relay tester is successfully constructed and able to assist in detecting the faulty relay with less time taken and achieve 100% accuracy in functional test and 85% of accuracy in parameter test.
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Acknowledgements
Authors would like to thank the Machine Learning & Signal Processing (MLSP) research group under Center for Telecommunication Research and Innovation (CeTRI) and Rehabilitation Engineering & Assistive Technology (REAT) research group under Center of Robotics & Industrial Automation (CeRIA) of Universiti Teknikal Malaysia Melaka (UTeM), Center of Edu-Tourism, UTeM and Faculty of Electronics and Computer Engineering (FKEKK), UTeM for sponsoring this work and providing the use of the existing facilities to complete this project. Authors would also like to thanks to Center for Research Innovation and Management (CRIM), UTeM for their sponsor on the publication fees.
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Saad, W.H.M., Tai, W.Y., Saad, N.M., Karis, M.S., Karim, S.A.A. (2020). Design and Analysis of Automated Inspection System for Relays Fault Detection. In: Mohd Razman, M., Mat Jizat, J., Mat Yahya, N., Myung, H., Zainal Abidin, A., Abdul Karim, M. (eds) Embracing Industry 4.0. Lecture Notes in Electrical Engineering, vol 678. Springer, Singapore. https://doi.org/10.1007/978-981-15-6025-5_8
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DOI: https://doi.org/10.1007/978-981-15-6025-5_8
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