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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Sensor Fault-Resilient Control of Interior Permanent-Magnet Synchronous Motor Drives
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Sensor Fault-Resilient Control of Interior Permanent-Magnet Synchronous Motor Drives

机译:内部永磁同步电动机驱动器的传感器故障恢复控制

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摘要

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.
机译:在使用磁场定向控制的常规交流电动机驱动器中,需要直流母线电压,速度和至少两个电流传感器。因此,在传感器发生故障的情况下,驱动系统的性能可能会严重受损。本文提出了一种用于内部永磁同步电动机(IPMSM)驱动器的传感器容错控制策略。建议由三个独立的观察者来估计电机的速度,直流母线电压和电流。如果检测到传感器故障,驱动系统将隔离故障传感器,同时保留其余功能传感器。然后从相应的观察者获取信号,以保持驱动系统的运行。提供的实验结果验证了该方法的有效性。

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