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In this paper the fault-tolerant brushless permanent magnet AC motor drive with redundancy is investigated. The motor modules are designed to provide both magnetic and electrical isolation between phases and the redundancy is achieved by using two motor modules connected on a common shaft. The effect of potential faults on the output torque and torque ripple factor are examined and the fault analysis...
In this paper a dual fault tolerant motor drive utilizing brushless permanent magnet AC motors is investigated for safety critical applications. The motor modules are designed to provide both magnetic and electrical isolation between the phases, and the use of two modules also offers redundancy. This paper addresses an important issue, torque ripple and torque compensation due to the loss of a phase...
Fault-tolerant motor drives are required in various safety critical applications. Using special motor design and inverter topology, brushless permanent magnet AC motor drives can have a fault-tolerant capability. In this paper, a dual motor drive configuration has been proposed which offer high robustness and reliability. This paper studies various critical performance characteristics of the dual...
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