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【24h】Low-Frequency Pulse Voltage Injection Scheme-Based Sensorless Control of IPMSM Drives for Audible Noise Reduction

机译基于低频脉冲电压注入方案的IPMSM驱动器无传感器控制,可降低噪声

【摘要】High-frequency (HF) signal injection has been widely used in the sensorless control of interior permanent magnet synchronous motor (IPMSM) drives for zero- and low-speed operation. However, the audible noise pollution caused by induced HF current has restricted its application. To solve this problem, a low-frequency (LF) pulse voltage injection scheme is proposed in this paper. Different from the traditional LF injection methods, by separating the injection and the control periods, it is easy to extract the fundamental and the induced currents without digital filters, which makes the position estimation more realizable. Since the accuracy of position estimation decreases, an enhanced vector-tracking observer based on the harmonic analysis of the discrete position signal is proposed. Then, the stability of the proposed observer is analyzed. The negative effects of estimation errors on position estimation are investigated, and notch filters are adopted to achieve further harmonic reduction. Finally, this sensorless control method is verified by experiments on a 2.2-kW IPMSM drive platform.

【摘要机译】高频(HF)信号注入已广泛用于内部永磁同步电动机(IPMSM)驱动器的无传感器控制,以实现零速和低速运行。但是,由感应高频电流引起的可听噪声污染限制了其应用。为了解决这个问题,本文提出了一种低频(LF)脉冲电压注入方案。与传统的低频注入方法不同,通过将注入周期和控制周期分开,无需数字滤波器即可轻松提取基波电流和感应电流,这使得位置估计更加可实现。由于位置估计的准确性降低,因此提出了一种基于离散位置信号谐波分析的增强型矢量跟踪观测器。然后,分析了建议观察者的稳定性。研究了估计误差对位置估计的负面影响,并采用陷波滤波器来进一步降低谐波。最后,通过在2.2 kW IPMSM驱动平台上进行的实验验证了这种无传感器控制方法。

【作者】Gaolin Wang;Dianxun Xiao;Nannan Zhao;Xueguang Zhang;Wei Wang;Dianguo Xu;

【作者单位】School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China; School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin, China;

【年(卷),期】2017(64),11

【年度】2017

【页码】8415-8426

【总页数】12

【原文格式】PDF

【正文语种】eng

【中图分类】;

【关键词】Estimation;Rotors;Acoustic noise;Voltage control;Sensorless control;Digital filters;Stators;

机译 估计;转子;声噪声;电压控制;无传感器控制;数字滤波器;定子;
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