基于自校正模型的永磁同步电机鲁棒预测转矩控制*

doi:10.11985/2021.03.002

电气工程学报 ›› 2021, Vol. 16 ›› Issue (3): 9-16.doi: 10.11985/2021.03.002

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基于自校正模型的永磁同步电机鲁棒预测转矩控制^*

郭鑫(), 颜黎明(), 田顺(), 杨阳()

长安大学汽车学院西安 710064

收稿日期:2021-05-18 修回日期:2021-08-01 出版日期:2021-09-25 发布日期:2021-10-29
通讯作者: 颜黎明 E-mail:gxlocas@163.com;ylm@chd.edu.cn;tianshun@chd.edu.cn;yayang@chd.edu.cn
作者简介:* 颜黎明,男,1988年生,博士,讲师。主要研究方向为电动汽车电驱动系统。E-mail： ylm@chd.edu.cn
郭鑫,男,1998年生,硕士研究生。主要研究方向为电动汽车永磁同步电机驱动系统。E-mail： gxlocas@163.com
田顺,男,1989年生,博士,讲师。主要研究方向为电动汽车自动驾驶。E-mail： tianshun@chd.edu.cn
杨阳,男,1986年生,博士,讲师。主要研究方向为电动汽车无线充电技术。E-mail： yayang@chd.edu.cn
基金资助:
* 中国博士后科学基金(2019M660246);陕西省教育厅一般(青年)(2021JQ-252);陕西省教育厅一般(青年)(2021JQ-287)

Robust Predictive Torque Control of PMSM Using Self-correcting Model

GUO Xin(), YAN Liming(), TIAN Shun(), YANG Yang()

School of Automobile, Chang’an University, Xi’an 710064

Received:2021-05-18 Revised:2021-08-01 Online:2021-09-25 Published:2021-10-29
Contact: YAN Liming E-mail:gxlocas@163.com;ylm@chd.edu.cn;tianshun@chd.edu.cn;yayang@chd.edu.cn

摘要/Abstract

摘要：

在永磁同步电机有限集模型预测转矩控制中,预测模型通常是由连续状态方程直接离散化得到,此方式是一种开环式的预测模型,在参数失配状况下将引入预测误差,引起控制性能降低,甚至导致系统失稳。针对此问题,提出了一种基于自校正模型的永磁同步电机鲁棒预测转矩控制,摒弃了开环式的定子电流预测方程,引入反馈机制并提出了闭环式的定子电流预测方程。在定子磁链预测方程中,融合了电压模型和电流模型,两者的切换由比例积分调节器控制。此外,研究了闭环电流模型和闭环磁链模型的稳定性理论及参数设计方法。试验结果验证了所提方法的有效性。

关键词: 永磁同步电机, 模型预测控制, 自校正模型, 鲁棒性

Abstract:

In finite control set-model predictive torque control of permanent magnet synchronous motor, the predictive model is usually obtained by directly discretizing the continuous state equations. This method is an open-loop prediction model. In the case of parameter mismatch, the prediction error will be introduced, which will lead to the decrease of control performance and even the system instability. To solve this problem, a robust predictive torque control of PMSM using self-correcting model is proposed. The open-loop stator current prediction equation is abandoned, and the closed-loop stator current prediction equation is proposed using the feedback mechanism. In the stator flux prediction equations, the voltage model and current model are integrated, and the switching between them is controlled by PI regulator. In addition, the stability theory and parameter design method of closed-loop current model and closed-loop flux model are studied. The experimental results verify the effectiveness of the proposed method.

Key words: Permanent magnet synchronous motor, model predictive control, self-correcting model, robustness

中图分类号:

TM341

郭鑫, 颜黎明, 田顺, 杨阳. 基于自校正模型的永磁同步电机鲁棒预测转矩控制^*[J]. 电气工程学报, 2021, 16(3): 9-16.

GUO Xin, YAN Liming, TIAN Shun, YANG Yang. Robust Predictive Torque Control of PMSM Using Self-correcting Model[J]. Journal of Electrical Engineering, 2021, 16(3): 9-16.

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参数	数值
直流电压V_DC/V	520
额定功率P_N/kW	2.1
额定电压U_N/V	304
额定速度ω_nom/(r/min)	1 500
额定转矩T_N/(N·m)	13.2
极对数p	4
定子电阻R_S/Ω	2.826
定子电感L_S/mH	14.69
永磁磁链ψ_f/Wb	0.321

基于自校正模型的永磁同步电机鲁棒预测转矩控制^*

Robust Predictive Torque Control of PMSM Using Self-correcting Model

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