Abstract
The parameter adaptation of digital PI regulator of synchronous motor has great influence on the production and use of current electric and mechanical equipment. In order to optimize the effect of synchronous electric digital regulator, a method of parameter adaptive determination of digital PI regulator of synchronous motor is proposed, which improves the process of setting parameters in continuous domain. The adaptive parameters of digital PI regulator of synchronous motor are collected and analyzed by discretization method. The sampling time and phase angle lag parameters caused by zero order maintainer are eliminated. The mathematical model of parameters of digital PI regulator of synchronous motor is established, and the discrete model diagram of closed-loop synchronous motor is obtained. The time domain performance index is converted into the open loop frequency domain characteristic quantity by engineering experience and the PI regulator parameters are calculated analytically in the domain. Simulation results show that the adaptive determination method of digital PI regulator of synchronous motor meets the design requirements. The overshoot is less than 5% and the adjustment time is about 1.92 s. The research shows that the method can provide reference for the parameter setting of digital PI regulator of synchronous motor.
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Hunan Natural Science Foundation Project (2020JJ4558, 2018JJ2367, 2020JJ5519), Hunan Science and Technology Department Science and Technology Project (2016 TP1023).
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Yin, Jt., Liu, L., Tang, J., Peng, Zh., Li, H. (2021). Adaptive Parameter Determination Method of Synchronous Motor Digital PI Regulator. In: Fu, W., Liu, S., Dai, J. (eds) e-Learning, e-Education, and Online Training. eLEOT 2021. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 390. Springer, Cham. https://doi.org/10.1007/978-3-030-84386-1_44
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DOI: https://doi.org/10.1007/978-3-030-84386-1_44
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