Supervisor:
Southwest Ordnance Industry Bureau
Organizer:
Chongqing Ordnance Industry Society
Chongqing University of Technology
Chongqing University of Technology
PMSM synovial membrane control based on new reaching law and superhelical algorithm
| DOI: | 10.11809/bqzbgcxb2025.02.026 |
| Keywords: | permanent magnet synchronous motor; field weakening speed regulation; new exponential reaching law; super twisting super spiral algorithm; sliding film control |
| Abstract: | In the two working conditions of the flux weakening speed regulation system of the interior permanent magnet synchronous motor, aiming at the problems of large speed overshoot and load disturbance in the traditional PI control method, a flux weakening speed regulation control strategy based on sliding mode control is studied and designed. When the rated speed is within the rated speed, through the analysis of the chattering reason of the traditional exponential reaching law sliding mode control, a speed sliding mode controller based on the new exponential reaching law is designed, and the stability of the new reaching law is analyzed by Lyapunov function. Under the condition of weak magnetic expansion, aiming at the strong coupling and nonlinear characteristics of PMSM direct axis and quadrature axis, a speed loop controller based on second order super twisting algorithm is designed on the basis of variable quadrature axis voltage single current regulator method . The speed control system is simulated and modeled on Matlab/Simulink. The simulation results show that compared with the traditional exponential reaching law synovial control and PI control, the proposed speed control strategy can effectively improve the response speed of PMSM speed control system, reduce overshoot and enhance the system’s ability to resist load disturbance. |
| Issue: | Vol. 46 No. 2 (2025) |
| Published: | 2025-02-28 |