Pulsating High Frequency Voltage Injection Strategy for Sensorless Permanent Magnet Synchronous Motor Drives

被引：24

作者：

Lu, Qing ^{[1
]}

Wang, Yeqin ^{[1
]}

Mo, Lihong ^{[1
]}

Zhang, Tao ^{[1
]}

机构：

[1] Huaiyin Inst Technol, Fac Automat, Huaian 221200, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2021年 / 31卷 / 08期

关键词：

Permanentmagnet synchronousmotor; sensorless control; high frequency voltage injection method; dynamic performance;

D O I：

10.1109/TASC.2021.3094426

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In order to improve the dynamic performance of the sensorless permanent magnet synchronous motor drive system, the modified pulsating high frequency voltage injection method is proposed. Firstly, the second order generalized integrator can be used to extract the high frequency voltage signal instead of band-pass filters. The specific frequency harmonic elimination unit is applied to obtain the rotor position error signal to avoid using the low-pass filter. Therefore, the system dynamic performance can be improved. In addition, the system parameter is easier to adjust than traditional methods with band-pass filters and low-pass filters. Finally, the simulation model and experimental platform are built to verify the effectiveness of the proposed method. The simulation and experimental results present that the dynamic performance of motor drive system can be improved.

引用

页数：4

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