永磁直线同步电动机分数阶QFT鲁棒控制
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摘要
直接驱动永磁直线同步电动机(PMLSM)伺服系统具有速度高、加速度大等优点,但系统参数不确定性和外部负载扰动严重影响了系统的伺服性能。本文提出了一种利用分数阶理论实现对固定结构定量反馈理论(QFT)鲁棒控制器自动设计的控制策略。该控制策略在QFT回路成形设计中,采用固定结构分数阶控制器,通过求解带有约束的目标函数的优化问题,得出控制器的参数,简化了常规QFT设计控制器的作图过程,在保证系统鲁棒性和稳定性的同时,提高了系统的跟踪性能。仿真结果表明,该控制策略有效抑制了系统参数不确定性和负载扰动的影响,提高了系统的跟踪性能和鲁棒性。
引文
[1]王丽梅,武志涛,刘春芳.永磁直线伺服系统最优参数负载扰动补偿方法[J].电工技术学报,2012,27(3):133-138.
[2]杨俊友,刘永恒,白殿春,等.基于迭代学习与小波滤波器的永磁直线伺服系统扰动抑制[J].电工技术学报,2013,28(3):87-92.
[3]张鹤,蒋吉清,张治成.Three-dimensional elasticity solutions for bending of generally supported thick functionally graded plates[J].Applied Mathematics and Mechanics(English Edition)(应用数学和力学(英文版)),2014,35(11):1467-1478.
[4]Wang J,Li D.Application of fuzzy PID control in PMLSM servo drive system[C]//IEEE International Conference on Mechatronics and Automation.IEEE,2015:6-10.
[5]陈一秀,王永初.直线伺服系统的鲁棒保性能控制研究[J].中国电机工程学报,2006,26(24):174-178.
[6]郭庆鼎,孙宜标,王丽梅.现代永磁电动机交流伺服系统[M].中国电力出版社,2006.
[7]Chait Y,Yaniv O.Multi-input/single-output computer-aided control design using the quantitative feedback theory[J].International Journal of Robust&Nonlinear Control,2010,3(1):47-54.
[8]D'Azzo J J,Houpis C H.Linear control system analysis and design[M].Mcgraw-Hill,1988:477-481.
[2]杨俊友,刘永恒,白殿春,等.基于迭代学习与小波滤波器的永磁直线伺服系统扰动抑制[J].电工技术学报,2013,28(3):87-92.
[3]张鹤,蒋吉清,张治成.Three-dimensional elasticity solutions for bending of generally supported thick functionally graded plates[J].Applied Mathematics and Mechanics(English Edition)(应用数学和力学(英文版)),2014,35(11):1467-1478.
[4]Wang J,Li D.Application of fuzzy PID control in PMLSM servo drive system[C]//IEEE International Conference on Mechatronics and Automation.IEEE,2015:6-10.
[5]陈一秀,王永初.直线伺服系统的鲁棒保性能控制研究[J].中国电机工程学报,2006,26(24):174-178.
[6]郭庆鼎,孙宜标,王丽梅.现代永磁电动机交流伺服系统[M].中国电力出版社,2006.
[7]Chait Y,Yaniv O.Multi-input/single-output computer-aided control design using the quantitative feedback theory[J].International Journal of Robust&Nonlinear Control,2010,3(1):47-54.
[8]D'Azzo J J,Houpis C H.Linear control system analysis and design[M].Mcgraw-Hill,1988:477-481.