Design and Implementation of a Speed-Loop-Periodic-Controller-Based Fault-Tolerant SPMSM Drive System

Tian-Hua Liu, Muhammad Syahril Mubarok, Muhammad Ridwan and Suwarno
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Tian-Hua Liu: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Muhammad Syahril Mubarok: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Muhammad Ridwan: Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Suwarno: School of Electrical and Informatics Engineering, Institut Teknologi Bandung, Bandung, West Java 40132, Indonesia

Energies, 2019, vol. 12, issue 19, 1-31

Abstract: This paper proposes a speed-loop periodic controller design for fault-tolerant surface permanent magnet synchronous motor (SPMSM) drive systems. Faulty conditions, including an open insulated-gate bipolar transistor (IGBT), a short-circuited IGBT, or a Hall-effect current sensor fault are investigated. The fault-tolerant SPMSM drive system using a speed-loop periodic controller has better performance than when using a speed-loop PI controller under normal or faulty conditions. The superiority of the proposed speed-loop-periodic-controller-based SPMSM drive system includes faster transient responses and better load disturbance responses. A detailed design of the speed-loop periodic controller and its related fault-tolerant method, including fault detection, diagnosis, isolation, and control are included. In addition, a current estimator is also proposed to estimate the stator current. When the Hall-effect current sensor is faulty, the estimated current is used to replace the current of the faulty sensor. A 32-bit digital signal processor, type TMS-320F-2808, is used to execute the fault-tolerant method and speed-loop periodic control. Measured experimental results validate the theoretical analysis. The proposed implementation of a fault-tolerant SPMSM drive system and speed-loop periodic controller design can be easily applied in industry due to its simplicity.

Keywords: periodic controller; surface permanent magnet synchronous motor; fault-tolerant system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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