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A Novel Position Control of PMSM Based on (一个新颖的基于永磁同步电动机位置控制)
WSEAS TRANSACTIONS on SYSTEMS Xing-Hua Yang, Xi-Jun Yang, Jian-Guo Jiang
A Novel Position Control of PMSM Based on Active
Disturbance Rejection
XINGHUA YANG, XIJUN YANG, JIANGUO JIANG
Dept. of Electrical Engineering, Shanghai Jiao Tong University,
200240, Shanghai, CHINA
yangxinghua2004@126.com
Abstract: Considering the unavoidable and unmeasured disturbances, parameter variations and position
measure error of real motion control applications, a novel controller is developed for the motion control of
permanentmagnet synchronous motors (PMSM). First, an active disturbance rejection controller (ADRC)
based on extended state observer (ESO) is employed to ensure the high performance of the entire control
system. The ESO estimate both the states and the disturbances so that the ADRC has a corresponding part to
compensate for the disturbances. And then, the inertia of system is identified online to improve the performance.
At last, considering the case of position measure error, which is commonly in the applications that an encoder is
used for position detection, an asynchronous sampling method (ASM) is used. The ASM detects the position at
the moment of actual encoder pulse input, thus eliminating encoder positioning error. Simulation and
Experimental results are shown to verify the method.
KeyWords: Permanentmagnet synchronous motors, Active disturbance rejection contro
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