Application of Active Disturbance Rejection Cotroller in Sensorless Vector Control System of PMSM

Abstract:

To improve the anti-disturbance capabilities of sensorless control system of permanent magnet synchronous motor PMSM), study on application of active disturbance rejection controller (ADRC) is put forward.The extended Kalman filter (EKF) algorithm is proprosed to estimate the rotor speed and position of PMSM for the realization of sensorless control.The ADRC is introduced to the control of speed loop to improve the control performances. Simulation results show that extended kalman filter algorithm worked well,and the proposed control strategy is superior to conventional PI speed controller for its no overshoot, high estimation accuracy,stronger capacity of anti-load-torque- disturbance and etc.

• Periodical: Applied Mechanics and Materials (Volume 273)
• Pages: 449-453
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.273.449
• Online since: January 2013
• Authors: Shu Gong Xue, Xin Zhu Sun
• Keywords: Active Disturbance Rejection Controller, Extended Kalman Flter (EKF), Permanent Magnet Synchronous Motor, Vector Control (VC)

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