Sensor fault-resilient control of interior permanent-magnet synchronous motor drives
Beng, Gilbert Foo Hock, Zhang, Xinan, & Vilathgamuwa, D. Mahinda (2014) Sensor fault-resilient control of interior permanent-magnet synchronous motor drives. IEEE/ASME Transactions on Mechatronics, pp. 1-10.
In a conventional ac motor drive using field-oriented control, a dc-link voltage, speed, and at least two current sensors are required. Hence, in the event of sensor failure, the performance of the drive system can be severely compromised. This paper presents a sensor fault-tolerant control strategy for interior permanent-magnet synchronous motor (IPMSM) drives. Three independent observers are proposed to estimate the speed, dc-link voltage, and currents of the machine. If a sensor fault is detected, the drive system isolates the faulty sensor while retaining the remaining functional ones. The signal is then acquired from the corresponding observer in order to maintain the operation of the drive system. The experimental results provided verify the effectiveness of the proposed approach.
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|Item Type:||Journal Article|
|Keywords:||AC motor drive, Fault-tolerant control, Interior permanent-magnet synchronous motor (IPMSM), State observer|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||© 2014 IEEE|
|Deposited On:||20 May 2014 06:33|
|Last Modified:||03 Jun 2014 22:46|
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