scholarly journals Start-up current adaptive control for sensorless high-speed brushless DC motors based on inverse system method and internal mode controller

2017 ◽  
Vol 30 (1) ◽  
pp. 358-367 ◽  
Author(s):  
Yanzhao He ◽  
Shiqiang Zheng ◽  
Jiancheng Fang
Keyword(s):  
Adaptive Control ◽  
High Speed ◽  
Inverse System ◽  
Internal Mode ◽  
Brushless Dc Motors ◽  
Inverse System Method ◽  
Brushless Dc ◽  
Dc Motors ◽  
Start Up ◽  
System Method

scholarly journals Decoupling Control for Dual-Winding Bearingless Switched Reluctance Motor Based on Improved Inverse System Method

2017 ◽  
Vol 2017 ◽  
pp. 1-17 ◽  
Author(s):  
Zhiying Zhu ◽  
Yukun Sun ◽  
Ye Yuan
Keyword(s):  
High Speed ◽  
Switched Reluctance Motor ◽  
Inverse System ◽  
Decoupling Control ◽  
System Stability ◽  
Dynamic Compensation ◽  
Switched Reluctance ◽  
Inverse System Method ◽  
System Method ◽  
Reluctance Motor

Dual-winding bearingless switched reluctance motor (BSRM) is a multivariable high-nonlinear system characterized by strong coupling, and it is not completely reversible. In this paper, a new decoupling control strategy based on improved inverse system method is proposed. Robust servo regulator is adopted for the decoupled plants to guarantee control performances and robustness. A phase dynamic compensation filter is also designed to improve system stability at high-speed. In order to explain the advantages of the proposed method, traditional methods are compared. The tracking and decoupling characteristics as well as disturbance rejection and robustness are deeply analyzed. Simulation and experiments results show that the decoupling control of dual-winding BSRM in both reversible and irreversible domains can be successfully resolved with the improved inverse system method. The stability and robustness problems induced by inverse controller can be effectively solved by introducing robust servo regulator and dynamic compensation filter.

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