关键词：
永磁同步直线电机;无模型自适应控制;伪微分反馈抑制;位置跟踪
摘 要：
针对永磁同步直线电机模型参数时变,且在运行时受到负载不确定性以及外界干扰的特点,本文将无模型自适应控制(MFAC)方法应用于直线伺服系统的位置控制中,直接基于动态线性化模型中伪偏导数的估计,从而构造不依赖于模型的控制器;为了进一步提高系统的鲁棒性,将具有抗干扰性强的伪微分反馈(PDF)控制来设计系统速度控制器。实验结果表明,与传统的PID控制相比,无模型自适应控制方法使位置跟踪误差减小,控制精度提高。
译 名：
Positioning control of permanent magnet synchronous linear motor based on MFAC
作 者：
You Nana;Xin Shijie;College of Mechanical Engineering,Shandong University of Technology;
关键词：
permanent magnet synchronous linear motor(PMLSM);;model-free adaptive control(MFAC);;pseudo-derivative feedback control;;position-tracking
摘 要：
For the characteristics of time-varied model parameters and the uncertain load and external disturbances at runtime,the model-free adaptive control was applied to the position control of linear servo system,and the design of controller was based on the estimated and predicted pseudo-partial derivative of the dynamic linearization model.In order to further improve the robustness of the system,the design of the speed controller was based on pseudo-derivative feedback control which has strong anti-disturbances.Compared with the traditional PID control,the method of the model-free adaptive control brings about smaller error on position-tracking,and it also improves control precision.
