An Adaptive Sliding Mode Observer of Induction Motor in Sensorless Vector Control System

被引：0
|
作者：
Chen, Jing [1 ]
Jiang, Shan [1 ]
Yu, Huadong [1 ]
Liu, Xin [1 ]
Chen, Maocai [1 ]
Yang, Zuocheng [1 ]
机构：
[1] Shanghai Marine Equipment Res Inst SMERI, Shanghai, Peoples R China
来源：
2019 22ND INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2019) | 2019年
关键词：
Induction motor; sliding mode observer; sensorless control; robustness;
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：
A method of using an adaptive sliding mode observer to estimate induction motor rotor flux is presented in this paper, in order to improve the robustness of parametric variation in sensorless vector control. The observer obtains rotor flux and speed by constructing a mathematical model on the basis of the state equation in static coordinate system. Furthermore, the stability of the observer is guaranteed by the Lyapunov stability theory which is analyzed in this paper. The simulation in MATLAB/SIMULINK shows that the adaptive sliding mode observer is robust against motor parametric variation in sensorless vector control system by changing the resistances of stator winding and rotor winding. Finally the experiment based on DSP28335 platform verifies that the observer can obtain the rotor flux and speed in sensorless control system, and the algorithm has good robustness when load and given speed changes.
引用
收藏
页码：5635 / 5638
页数：4
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