The Model-free Adaptive Composite Control Method for Permanent Magnet Linear Motor

Rongmin Cao, Su Zhong and Shizhen Liu
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Rongmin Cao: Beijing Information Science and Technology University, Beijing, China
Su Zhong: Beijing Information Science and Technology University, Beijing, China
Shizhen Liu: Beijing Information Science and Technology University, Beijing, China

International Journal of Interdisciplinary Telecommunications and Networking (IJITN), 2015, vol. 7, issue 2, 30-44

Abstract: A composite control method based on the model-free adaptive control is applied to the position or speed control of the linear motor. The model-free adaptive controller (MFAC) broke through the classical PID controller design of linear framework, is a kind of new controller, it' structure is adaptive and a kind of integration of modeling and control method. The composite control method includes an adaptive feedforward compensator which is designed to eliminate or suppress the effects of inherent force ripple for a permanent magnet linear motor (PMLM). Simulation results show that compared with PID control, the proposed composite control algorithm is more effective for the strong coupling of nonlinear system and difficult to realize stable control. And the response performance of the system is realized.

Date: 2015
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