Improved Rotor Position Estimation for IPMSM Drives in Flux-Weakening-based Optimized Synchronous Modulation

被引：0
作者：
Zhang, Hang [1 ]
Chen, Zhe [2 ]
Zhang, Hui [1 ]
机构：
[1] Xian Univ Technol, Sch Elect Engn, Xian, Peoples R China
[2] Northwestern Polytech Univ, Sch Automat, Xian, Peoples R China
来源：
2021 24TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2021) | 2021年
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
IPMSM; sensorless control; flux-weakening; parameter error compensation; current loop bandwidth; SPEED CONTROL; SENSORLESS; PMSM; COMPENSATION; MACHINE;
D O I：
暂无
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：
When the IPMSM traction system works in the flux-weakening (FW) area with optimized synchronous modulation, the motor parameters mismatch and current-loop bandwidth limitation will cause a large position estimation error, which reduces the sensorless FW control performance. Based on dq-axis sliding mode observer (SMO), the influence of above two factors is analyzed, and the mismatch influence of d-axis inductance is more significant. Then, a parameter error compensation and fundamental current observer is proposed to improve the sensorless FW control performance in SHEPWM. Finally, the effectiveness is verified by a 3.7kW IPMWM platform.
引用
收藏
页码：856 / 861
页数：6
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