摘要
为了提高永磁同步直线电机的跟踪性能,增强系统的鲁棒性,本文提出了分数阶超螺旋滑模控制策略.首先,针对外部扰动以及系统的未知状态设计广义超螺旋观测器,其能够精确估计永磁同步直线电机的速度和外部扰动.其次,将分数阶理论和终端滑模控制理论相结合,提出有限时间收敛的分数阶超螺旋滑模控制器,以实现永磁同步直线电机的跟踪控制.最后,通过仿真对比验证所提方案的有效性.
In order to improve the tracking performance of permanent magnet synchronous linear motor(PMSLM)and enhance the robustness of the system,a fractional order super-twisting sliding mode control strategy is proposed in this paper.Firstly,a generalized super-twisting observer is designed for the external disturbance and the unknown state of the system,which can accurately estimate the speed and external disturbance of PMSLM.Secondly,combined with the fractional order theory and terminal sliding mode control theory,a fractional order super-twisting sliding mode controller with finite time convergence is designed to realize the tracking control of PMSLM.Finally,the effectiveness of the proposed scheme is verified by simulation.
作者
赵静
林智昌
姜斌
肖敏
高志峰
徐丰羽
ZHAO Jing;LIN Zhi-chang;JIANG Bin;XIAO Min;GAO Zhi-feng;XU Feng-yu(College of Automation&College of Artificial Intelligence,Nanjing University of Posts and Telecommunications,Nanjing Jiangsu 210023,China;College of Automation,Nanjing University of Aeronautics and Astronautics,Nanjing Jiangsu 210016,China)
出处
《控制理论与应用》
EI
CAS
CSCD
北大核心
2023年第7期1224-1232,共9页
Control Theory & Applications
基金
国家自然科学基金项目(62073172,52175100)
江苏省第六期333高层次人才培养工程项目(3–16–343)
航空航天结构力学及控制国家重点实验室开放课题项目(MCMS–E–0123G04)
南京邮电大学校级自然科学基金项目(NY221076)资助。
关键词
永磁同步直线电机
分数阶滑模控制
广义超螺旋观测器
位置控制
permanent magnet synchronous linear motor
fractional order sliding mode control
generalized supertwisting observer
position control
