Coupling Suspension Force Regulator Considering Time-Varying Characteristic for a Bearingless Switched Reluctance Motor

被引：6
作者：
Yang, Fan [1 ]
Yuan, Ye [1 ]
Sun, Yukun [1 ]
Ding, Shihong [1 ]
Yan, Libin [1 ]
Xu, Junqi [2 ]
机构：
[1] Jiangsu Univ, Sch Elect & Informat Engn, Zhenjiang 212013, Peoples R China
[2] Tongji Univ, Natl Maglev Transportat Engn R&D Ctr, Shanghai 200070, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2023年 / 70卷 / 07期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Force; Couplings; Rotors; Torque; Suspensions (mechanical systems); Stator windings; Magnetic flux; Bearingless switched reluctance motor (BSRM); coupling suspension force; decoupling control; observer; RADIAL FORCE;
D O I：
10.1109/TIE.2022.3201321
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The 12/14 bearingless switched reluctance motor was designed to restrain the coupling of torque cur-rent to suspension system. However, the robustness of the suspension system is reduced due to the time-varying cur-rent and displacement stiffness coefficients, thereby hindering its high-reliable application in the on-board flywheel battery for vehicle. A coupling suspension force regulator (CSFR) that consists of a position decoupling suspension force model (PDSFM) and a dynamic coupling observer (DCO) is designed to solve the above-mentioned problem. The time-varying model of the suspension force is established based on the Maxwell stress method and finite element analysis, which is further decomposed into PDSFM and time-varying coupling suspension force component. The PDSFM is used for the feedback model of suspension system to construct a steady suspension system. The DCO is designed based on the PDSFM to capture the time-varying coupling suspension force component as an external disturbance and feed forward compensation to the suspension control system. The time-varying suspension system is effectively transformed into a time-invariant steady suspension system through the effective cooperation of the PDSFM and DCO. The validity of the CSFR is verified through simulations and experiments.
引用
收藏
页码：6632 / 6641
页数：10
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