Self-learning active vibration control of a flexible plate structure with piezoelectric actuator |
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| Authors: | Ali Reza Tavakolpour Musa Mailah Intan Z Mat Darus Osman Tokhi |
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| Affiliation: | 1. Department of Applied Mechanics, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia (UTM), Johor Bahru, Malaysia;2. Department of Automatic Control and System Engineering, University of Sheffield, United Kingdom;1. Department of Mechanical Construction and Production, Faculty of Engineering and Architecture, Ghent University, Belgium;2. Faculty of Civil and Applied Mechanics, University of Technical Education Ho Chi Minh City, Vietnam;3. Department of Materials Science and Engineering, Faculty of Engineering and Architecture, Ghent University, Belgium;4. Division of Computational Mechanics, Ton Duc Thang University, Vietnam;5. Université du Luxembourg, Faculté des Sciences, Luxembourg;6. Department of Architectural Engineering, Sejong University, Seoul, South Korea;7. Center for Interdisciplinary Research in Technology (CIRTech), University of Technology (HUTECH), Ho Chi Minh City 700000, Vietnam;1. Mechanical Engineering Department, Memorial University of Newfoundland, St. John’s, NL, A1B 3X5, Canada;2. Automatic Control and Micro-Mechatronic Systems Department, FEMTO-ST inst., University of Burgundy Franche-Comté, Besançon, France;3. Mathematics and Statistics Department, Memorial University of Newfoundland, St. John’s, NL, A1C 5S7, Canada;4. Electrical Engineering Department, University of Washington, Seattle, WA, USA;1. Department of Production Engineering, Universidade Federal de Minas Gerais, Brazil;2. Department of Electrical Engineering, Linköping University, Sweden;3. Robotics and Discrete Automation, ABB AB, Sweden;1. State Key Laboratory of Mechanical Systems and Vibration, Shanghai Jiao Tong University, Shanghai, China;2. Institute of Vibration Shock & Noise, Shanghai Jiao Tong University, Shanghai, China;1. School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China;2. Institute of General Mechanics, RWTH Aachen University, Aachen 52062, Germany |
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| Abstract: | In this paper, an active vibration control (AVC) incorporating active piezoelectric actuator and self-learning control for a flexible plate structure is presented. The flexible plate system is first modelled and simulated via a finite difference (FD) method. Then, the validity of the obtained model is investigated by comparing the plate natural frequencies predicted by the model with the reported values obtained from literature. After validating the model, a proportional or P-type iterative learning (IL) algorithm combined with a feedback controller is applied to the plate dynamics via the FD simulation platform. The algorithms were then coded in MATLAB to evaluate the performance of the control system. An optimized value of the learning parameter and an appropriate stopping criterion for the IL algorithm were also proposed. Different types of disturbances were employed to excite the plate system at different excitation points and the controller ability to attenuate the vibration of observation point was investigated. The simulation results clearly demonstrate an effective vibration suppression capability that can be achieved using piezoelectric actuator with the incorporated self-learning feedback controller. |
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