Observer design for some classes of uniformly observable nonlinear hybrid systems |
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| Institution: | 1. National Engineering School of Monastir, Department of Electrical Engineering, 5019, Monastir, Tunisia;2. Univ Lille Nord de France, F- 59000 Lille, France;3. UVHC, LAMIH, F-59313 Valenciennes, France;4. CNRS, UMR 8201, F-59313 Valenciennes, France;5. Northumbria University, School of Computing, Engineering and Information Sciences, NE1 8ST, United Kingdom;1. Department of Electronics and Communications Engineering, Al-Nahrain University, Baghdad, Iraq;2. Department of Electrical Engineering and Electronics, The University of Liverpool, Liverpool L69 3GJ, UK;1. Chair of Systems Theory and Control Engineering, Saarland University, Campus A5 1, 66123 Saarbrücken, Germany;2. CRAN (CNRS, UMR7039), Université de Lorraine, BP 239, 54506 Vandoeuvre-lès-Nancy, France;3. CReSTIC - UFR SEN, Université de Reims Champagne-Ardenne, BP 1039 Moulin de la Housse, 51687 REIMS cedex 2, France;4. Non-A–INRIA Lille Nord Europe, France;1. Dipartimento di Ingegneria Meccanica, University of Genoa, Genova, Italy;2. LAAS-CNRS, Université de Toulouse, CNRS, Toulouse, France;3. Dipartimento di Ingegneria Industriale, University of Trento, Italy |
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| Abstract: | This paper deals with the synthesis of high gain observers for uniformly observable nonlinear hybrid systems. First, the single output-case is treated and then an extension is made to a particular class of multi-output hybrid systems. In effect, a high gain observer is proposed allowing the estimation of both the continuous states and the discrete location of the system. This is done by using techniques borrowed from the area of model-based fault detection whereby observers are employed for residual generation. Simulation results on a tank process are given in order to highlight the performances of the proposed observer. |
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