Control algorithm optimization of permanent magnet synchronous motor based on state constraints

被引：0
作者：
Wang, Kun [1 ,2 ,3 ]
Luo, Min-Zhou [2 ]
Li, Ke [1 ,3 ]
Cao, Yi [1 ,3 ]
Zhang, Qiu-Ju [1 ,3 ]
机构：
[1] Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi
[2] School of Information Science and Technology, University of Science and Technology of China, Hefei
[3] School of Mechanical Engineering, Jiangnan University, Wuxi
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2015年 / 19卷 / 02期
关键词：
Backstepping method; Command filter; Permanent magnet synchronous motors; Position control; State constraints;
D O I：
10.15938/j.emc.2015.02.006
中图分类号：
学科分类号：
摘要：
A concept of innovative control law was presented to meet the states and input constraints induced by the backstepping control approach of permanent magnet synchronous motor. Since the relativity of the permanent magnet synchronous motor system is three and the nonlinear model can be described as the cascaded former, a backstepping approach was proposed to design the basic control law. However, the nonlinear of the system results in state variables being out of the desired boundary when the saturation of input is emphatically considered. Moreover, this method leads to the expansion of calculation since the differentiation of virtual control law. With the purpose of solving these two problems, the command filter was firstly proposed to build the nonlinear control model, which is used for balancing the state and input constraints, and simultaneously eliminating the calculation expansion. Then a strict mathematical proof was given and simulations were subsequently provided. Finally, the numerical examples were presented to verify the effectiveness of the proposed control law and the improved performance of the system. ©, 2015, Editorial Department of Electric Machines and Control. All right reserved.
引用
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页码：33 / 38
页数：5
相关论文
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