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Current Sensorless MTPA for IPMSM Drives

机译:用于IPMSM驱动器的当前无传感器MTPA

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摘要

In this paper, a maximum torque per ampere (MTPA) control strategy is presented for interior permanent magnet synchronous machines (IPMSMs) without current sensing or regulation. The developed control scheme achieves MTPA using a direct voltage control method, which varies the machine's stator voltage amplitude and angle. As such, no explicit current loop regulation is needed, which simplifies the control structure and unlike other control strategies, no parameter knowledge, voltage, or current transducer is required. Experimental comparison against the well-known MTPA vector control highlights the performance of the proposed controller in various conditions. Moreover, quantitative efficiency metrics are provided to better illustrate the MTPA trajectory tracking performance. Furthermore, the simplicity of the control scheme makes it a good candidate for low-cost implementation of real-time IPMSM drives.
机译:在本文中,提出了无需电流感应或调节的内部永磁同步电机(IPMSM)的最大每安培转矩(MTPA)控制策略。所开发的控制方案使用直接电压控制方法来实现MTPA,该方法会改变电机的定子电压幅度和角度。这样,不需要显式的电流环路调节,从而简化了控制结构,并且与其他控制策略不同,不需要参数知识,电压或电流变送器。与著名的MTPA矢量控制的实验比较突出了所提出的控制器在各种条件下的性能。此外,提供了定量效率指标,以更好地说明MTPA轨迹跟踪性能。此外,控制方案的简单性使其成为实时IPMSM驱动器低成本实施的理想选择。

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