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Speed Tracking Control of Permanent Magnet Synchronous Motor by a Novel Two-step Internal Model Control Approach

Zhaowu Ping*, Qingchuan Ma, Tao Wang, Yunzhi Huang, and Jun-Guo Lu
International Journal of Control, Automation, and Systems, vol. 16, no. 6, pp.2754-2762, 2018

Abstract : "The control problem of permanent magnet (PM) synchronous motor has attracted extensive attentions in both control society and industrial applications. Much recently, a local speed tracking and nonlinear disturbance rejection problem of PM synchronous motor was investigated by nonlinear internal model design. In this paper, we propose a novel two-step controller design strategy to achieve speed tracking and nonlinear disturbance rejection of PM synchronous motor with wide speed range, which combines the advantages of classical double-loop control and nonlinear internal model control. It is worth mentioning that the proposed two-step controller design strategy can not only guarantee exact speed tracking with wide speed range, but also reject small nonlinear external disturbances in the load torque, generated by a so-called nonlinear exosystem. Simulation results demonstrate the effectiveness of our design."

Keyword : "Disturbance rejection, internal model control, PM synchronous motor, speed tracking. "

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