Sliding Mode Auto Disturbance Rejection Control of PMSM without Speed Sensor

doi:10.16182/j.issn1004731x.joss.17-0172

Abstract

Abstract: Aiming at the problem of parameter setting and response speed of the traditional ADRC method, a kind of novel sliding mode auto disturbance rejection speed controller is designed, and a sliding mode adaptive speed control system of PMSM without speed sensor is established. The nonlinear disturbance observer (NDOB) is used to replace the extended state observer (ESO) integrated disturbance estimation. The sliding mode control is introduced in the nonlinear state error feedback control; the sliding mode ADRC current controller and speed controller are designed; and the stability is proved by using Lyapunov theory. The rotor position and speed of the motor are estimated by the NESO measurement; and a system of PMSM without speed sensor is established. The simulation results show the effectiveness of the method.

Key words: permanent magnet synchronous motor, SM-ADRC, nonlinear disturbance observer, speed sensorless

CLC Number:

TM351

Hou Limin, Ren Yifu, Liu Hengfei, Lin Dong. Sliding Mode Auto Disturbance Rejection Control of PMSM without Speed Sensor[J]. Journal of System Simulation, 2019, 31(5): 963-970.

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