内置式永磁同步电机无位置传感器自适应集总电动势模型预测控制

doi:10.19595/j.cnki.1000-6753.tces.180942

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摘要

有限集模型预测控制（FCS-MPC）在内置式永磁同步电机驱动系统中应用越来越多,但在无位置传感器运行场合仍存在依赖参数、传统位置观测方法不易实现等问题。为此,提出一种无位置传感器自适应集总电动势模型预测控制（SALE-MPC）方案,利用FCS-MPC不使用调制器的离散开关控制产生的固有激励,实现永磁同步电机包括零速在内宽速度范围的位置观测以及初始极性判断。提出的自适应集总电动势预测模型无需电机参数,降低了系统参数敏感性。而FCS-MPC固有激励的利用替代了传统高频信号注入,对基本控制的干扰小,且无需复杂的信号处理和滤波器设计。理论分析和实验结果均证明了该方法的有效性。

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	陈卓易
	邱建琪
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关键词 ：内置式永磁同步电机, 无位置传感器控制, 有限集模型预测控制, 参数敏感性

Abstract：

Finite-control-set model predictive control (FCS-MPC) has attracted ever-increasing applications in the interior permanent magnet synchronous motor (IPMSM) drives. However, in the sensorless control domain, the FCS-MPC suffers from parameter dependence and has difficulties in implementing traditional position estimation methods. Therefore, this paper proposed a sensorless adaptive lumped electromotive-force model predictive control (SALE-MPC) method for the IPMSM drives without position sensors. In SALE-MPC, the inherent discrete switching nature of the FCS-MPC is used as the excitation, which enables the position estimation in wide speed range including the zero-speed estimation and the initial polarity detection. The proposed Adaptive Lumped Electromotive-force prediction model works without using the actual machine parameters, which avoids the parameter dependence. The traditional high frequency signal injection is replaced by the inherent excitation of the FCS-MPC. In this way, the interruption to the fundamental control is reduced, and the complex signal processing and filter design procedures are avoided. Theoretical analysis and experimental results validated the proposed method.

Key words： Interior permanent magnet synchronous motor (IPMSM) sensorless control finite- control-set model predictive control (FCS-MPC) parameter sensitivity

收稿日期: 2018-06-05 出版日期: 2018-12-29

PACS:

TM351

通讯作者: 邱建琪男,1974年生,副教授,研究方向为永磁电机及其控制系统。E-mail: motor@zju.edu.cn

作者简介: 陈卓易男,1990年生,博士研究生,研究方向为永磁同步电机预测控制。E-mail: chenzhuoyi@zju.edu.cn

引用本文:

陈卓易, 邱建琪, 金孟加. 内置式永磁同步电机无位置传感器自适应集总电动势模型预测控制[J]. 电工技术学报, 2018, 33(24): 5659-5669. Chen Zhuoyi, Qiu Jianqi, Jin Mengjia. Sensorless Adaptive Lumped Electromotive-Force Model Predictive Control of Interior Permanent Magnet Synchronous Motors. Transactions of China Electrotechnical Society, 2018, 33(24): 5659-5669.

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