Model Predictive Torque Control of Switched Reluctance Machines With Torque Sharing Function and PWM Control Signals Based on Linear Polynomial Fitting

Lefei Ge, Jixuan Guo, Chao Gong, Guoqiang Zhang, Xiaofeng Ding, Shoujun Song

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2 引用 (Scopus)

摘要

In the combination of torque sharing function (TSF) and model predictive torque control (MPTC), the finite set prediction with only three evaluated switching states can not fully exploit the capability of MPTC. This letter proposes a novel MPTC with the TSF and pulse width modulation (PWM) control signals based on linear polynomial fitting for the torque ripple suppression of the switched reluctance machine (SRM). The sinusoidal TSF is used to distribute the reference torque to each phase. To fully utilize the flexibility of PWM control signals, the linear polynomial fitting method is adopted to expand the predictive data obtained by the prediction model, which avoids the redundant lookup table calculation. Then, the optimal duty cycle corresponding to the minimum torque tracking error is found and applied. The experimental results show that the proposed MPTC has good reference torque tracking capability and torque ripple suppression performance.

源语言英语
页(从-至)40-45
页数6
期刊IEEE Transactions on Power Electronics
40
1
DOI
出版状态已出版 - 2025

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