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Implementation of Improved Sliding Mode Observer and Fault Tolerant Control for a PMSM Drive

Hechmi Ben Azza 1 Mongi Moujahed 1 Mohamed Jemli 1 Mohamed Boussak 2, 3, 4
1 ENSIT - Ecole Nationale supérieure d'ingénieurs de Tunis
2 AMU - Aix Marseille Université
3 ECM - École Centrale de Marseille
4 PECASE - Pronostic/Diagnostic Et CommAnde : Santé et Energie
LIS - Laboratoire d'Informatique et Systèmes
Abstract : This paper presents the development and experimentation of Fault-Tolerant Control (FTC) for sensorless Permanent Magnet Synchronous Motor (PMSM) drive with stator resistance tuning. In the fault-tolerant inverter, a redundant leg is added to replace the faulted leg. Consequently, the proposed inverter is a modified topology inverter with fault-tolerant capability, which can be configured as 3-phase 8-switch inverter. The detection of the faulty leg is based only on the output inverter currents measurement. To make toggle to a redundant leg in case of fault occurrence, a Fault Detection and Isolation (FDI) algorithm is proposed in this paper. Experimental results are presented using a 1.4kW, three poles three-phases PMSM. These results show that the proposed FDI algorithm is able to detect and to isolate the open-phase fault in PMSM drive.
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https://hal-amu.archives-ouvertes.fr/hal-02388269
Contributor : Mohamed Boussak <>
Submitted on : Sunday, December 1, 2019 - 4:13:02 PM
Last modification on : Thursday, January 23, 2020 - 6:22:13 PM

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UNIV-AMU | EC-MARSEILLE | LIS-LAB | UNIV-TLN | CNRS

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Hechmi Ben Azza, Mongi Moujahed, Mohamed Jemli, Mohamed Boussak. Implementation of Improved Sliding Mode Observer and Fault Tolerant Control for a PMSM Drive. Journal of Circuits, Systems, and Computers, World Scientific Publishing, 2016, 26 (02), pp.1750032. ⟨10.1142/S0218126617500323⟩. ⟨hal-02388269⟩

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