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This paper presents an effective method to improve the dynamic performance of permanent magnet synchronous motor(PMSM) servo system which can be implemented via on-line PI self-turning. The algorithm is deduced from the relationship between PI adaptive parameters and the inertia of the PMSM servo system. The proposed method is simple and easy to implement for realtime application. Simulation results...
Low speed control is indispensable to several servo applications. Generally, motor speed obtained from the so-called M method is averaged by counting the number of pulses from the coupled encoder at a fixed time period. As a result, for speeds lower than the minimum measurable value determined by the sampling frequency and the resolution of the encoder, a long detection delay time may degrade the...
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