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Modeling and simulation of soft sensor design for real-time speed and position estimation of PMSM
Affiliation:1. Laboratoire d׳Informatique et d׳Automatique pour les Systémes (LIAS), Bâtiment B25, 2, rue Pierre Brousse, 86022 Poitiers, France;2. IFP Energies Nouvelles, 1 & 4, avenue de Bois-Préau 92852 Rueil-Malmaison Cedex - Paris, France;1. Universitat Politècnica de Catalunya, Department of Electrical Engineering, 08222 Terrassa, Spain;2. Abengoa Research, Campus Palmas Altas, Energia Solar, 1, 41014, Seville, Spain;3. Universitat Politècnica de Catalunya, Department of Electrical Engineering and Institute of Industrial and Control Engineering, 08028, Barcelona, Spain;1. Department of Electrical and Computer Engineering, University of São Paulo, São Carlos, SP 13566-590, Brazil;2. Department of Automatics, Federal University of Lavras, Lavras, MG 37200-000, Brazil;1. Ecole Nationale Polytechnique, Automatic Control Department, LCP, B.P 182 Elharrach, Algiers, Algeria;2. Electrical Engineering Department, University of M׳sila, B.P 166 Ichbilia M׳sila, Algeria;3. Electronics Department, University of Blida, B.P 270 Road of Soumaa, Blida, Algeria;4. University of Brest, EA 4325 LBMS, Rue de Kergoat, CS 93837, 29238 Brest Cedex 03, France;1. Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science & Technology University, Beijing, People’s Republic of China;2. Overseas Expertise Introduction Center for Discipline Innovation (“111 Center”), Beijing Information Science & Technology University, Beijing, People’s Republic of China;3. Beijing Laboratory of Optical Fiber Sensing and System, Beijing Information Science & Technology University, Beijing, People’s Republic of China;4. Beijing University of Technology, 100124, Beijing, People’s Republic of China
Abstract:This paper deals with the design of a speed soft sensor for permanent magnet synchronous motor. At high speed, model-based soft sensor is used and it gives excellent results. However, it fails to deliver satisfactory performance at zero or very low speed. High-frequency soft sensor is used at low speed. We suggest to use a model-based soft sensor together with the high-frequency soft sensor to overcome the limitations of the first one at low speed range.
Keywords:Design  Modeling  Simulation  Motor speed control  Soft sensor  Permanent magnet synchronous motor
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