Continuous output integral sliding mode control for switched linear systems |
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| Institution: | 1. Institute of Information and Control, Hangzhou Dianzi University, Hangzhou 310018, China;2. Institute of Cyber-Systems and Control, Zhejiang University, Hangzhou 310027, China;3. School of Electrical and Electronic Engineering, University of Adelaide, Adelaide, SA 5005, Australia;4. Key Lab for IOT and Information Fusion Technology of Zhejiang, Hangzhou Dianzi University, Hangzhou 310018, China;1. Department of Electronic and Electrical Engineering, University College London, London WC1E 6BT, UK;2. Department of Instrumentation Engineering, V.E.S. Institute of Technology, Mumbai, India;3. IDP in Systems and Control Engineering, Indian Institute of Technology Bombay, India;4. Department of Aerospace Engineering, Indian Institute of Technology Bombay, India |
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| Abstract: | A continuous output integral sliding mode robustification methodology for switched uncertain linear time invariant systems with state-dependent location transitions and dwell time is presented. The robustifying methodology is based on the adjustment of the super-twisting algorithm gains to assure the convergence time and the attenuation of the chattering. The use of the adjusted STA allows to reconstruct the states theoretically exactly before half of the dwell time without the usage of filters, via a continuous cascade observer. Moreover, it allows to generate a continuous control signal that is turn on after the observer has converged, guaranteeing theoretically exact compensation of the matched uncertainties/perturbations before the dwell time. |
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| Keywords: | Continuous output integral sliding mode Switched system Chattering attenuation |
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