Position Sensorless Control of Switched Reluctance Motor Drives Based on a New Sliding Mode Observer Using Fourier Flux Linkage Model

被引:36
作者
Sun, Xiaodong [1 ]
Tang, Xingtao [1 ]
Tian, Xiang [1 ]
Wu, Jiangling [1 ]
Zhu, Jianguo [2 ]
机构
[1] Jiangsu Univ, Automot Engn Res Inst, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Univ Sydney, Sch Elect & Informat Engn, Camperdown, NSW 2006, Australia
基金
中国国家自然科学基金;
关键词
Reluctance motors; Couplings; Rotors; Mathematical models; Torque; Observers; Windings; Position sensorless control; switched reluctance motor; nonlinear modeling; sliding-mode observer; Fourier flux linkage model (FFLM); DIRECT TORQUE CONTROL; PULSE INJECTION; SPEED; OPERATION; MACHINE; DESIGN;
D O I
10.1109/TEC.2021.3125494
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
This paper proposes a new position sensorless method for switched reluctance motor (SRM) drive control based on a sliding mode observer using nonlinear Fourier flux linkage model. First, to obtain an accurate mathematical model of SRM for establishment of sliding mode position observer (SMPO), an analytical method based on Fourier polynomial function is introduced to regress the nonlinear relationship between flux linkage, position and current. Then, a new SMPO is designed in detail to estimate the rotor position, including the establishment of SRM model of sliding mode observer, and analysis of estimation error and convergence conditions of SMPO. Finally, position sensorless control of SRM drive based on SMPO is carried out in terms of accuracy and robustness in simulation. Experiments are also given on a dynamic testing platform to verify the effectiveness of the proposed position sensorless scheme.
引用
收藏
页码:978 / 988
页数:11
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