无二次电阻变化影响的感应电动机无传感器速度控制

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.298956

T. Kanmachi, I. Taahashi

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引用次数: 40

摘要

提出了异步电动机转子和二次电阻的计算方法。第一种方法是转子转速计算方法，通过这种方法可以直接计算出精确的转速。该方法不需要关于次级电阻的信息，这使得它不受次级电阻变化的影响。第二种方法是直接二次电阻计算法。该方法可用于补偿无速度传感器矢量控制中的二次电阻的精确速度。数字仿真和实验结果验证了所提方法的有效性。研究了机床参数和控制电路参数的影响。

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Sensor-less speed control of an induction motor with no influence of secondary resistance variation

Calculation methods for the rotor and the secondary resistance of an induction motor are proposed. The first method is a rotor speed calculation method by which the exact speed can be computed directly. The method does not require information about the secondary resistance, which makes it free from the variation of the secondary resistance. The second method is a direct secondary resistance calculation method. It can be applied to compensation in speed sensorless vector control for exact speed extimation of a secondary resistance. The effectiveness of the proposed methods was verified by digital simulation and experimental results. The influence of the machine and control circuit parameters is also examined.<>

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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