Simultaneous Estimation of Current and Speed of Permanent Magnet Synchronous Motor Based on an Improved Dual Second-Order Observer

被引：0
|
作者：
Zhu, Guorong [1 ]
Zheng, Yihong [1 ]
Deng, Xiangtian [1 ]
Lu, Jianghua [2 ]
机构：
[1] Wuhan Univ Technol, Sch Automat, Wuhan 430070, Peoples R China
[2] Wuhan Univ Sci & Technol, Sch Informat Sci & Engn, Wuhan 430081, Peoples R China
来源：
ENERGIES | 2023年 / 16卷 / 20期
关键词：
permanent magnet synchronous motor; current control; state observer; disturbance observer; Kalman filter; SLIDING-MODE CONTROL; DISTURBANCE OBSERVER; PMSM SYSTEM; DESIGN; DRIVE;
D O I：
10.3390/en16207096
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The third-order state observer implements the decoupled control and the accurate estimation of the d-axis current, q-axis current, and rotor speed of the permanent magnet synchronous motor (PMSM). Its complex calculation, however, is a challenge for most digital controllers in practical applications. The authors proposed an improved dual second-order observer based on the Kalman filter. A 0.88 Nm, 1500 rpm prototype was built. The simulation and experimental results prove the effectiveness and practicability of the proposed method.
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页数：23
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