FDI based on an adaptive observer for current and speed sensors of PMSM drives

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• 作者：Faten Grouz^a ; ^{grouz_faten@yahoo.fr} ; Lassaâ ; d Sbita^a ; ^{lassaad.sbita@enig.rnu.tn} ; Mohamed Boussak^b ; ^{mohamed.boussak@centrale-marseille.fr} ; Amor Khlaief^b ; ^{amor.khlaief@centrale-marseille.fr}
• 关键词：Permanent magnet synchronous motor (PMSM) ; Adaptive observers ; Current and speed sensors ; Fault detection ; Isolation and identification ; Digital signal processor (DSP)
• 刊名：Simulation Modelling Practice & Theory
• 出版年：2013
• 出版时间：June, 2013
• 年：2013
• 卷：35
• 期：Complete
• 页码：34-49
• 全文大小：1751 K

文摘

This paper deals with a new method of current and speed sensors faults detection isolation (FDI) and identification for a permanent magnet synchronous motor (PMSM) drives. A new state variable is introduced so that an augmented system can be constructed to treat PMSM sensor faults as actuator faults. This method uses the PMSM model and a bank of adaptive observers to generate residuals. The residuals results are used for sensor fault detection. A logic algorithm is built in such a way to isolate and identify the faulty sensor for a stator phase current fault after detecting the fault occurrence. Simulation results are presented to illustrate the functionality of theoretical developments. Experimental results with 1.1-kW PMSM have validated the effectiveness of the proposed FDI method. The experimental implementation is carried out on powerful dSpace DS1103 controller board based on the DSP TMS320F240.