关键字：Vector control (Electric machinery);Adaptive control systems - Controllers - Digital control systems - Discrete time control systems - Dynamic positioning - Electric machine theory - Learning systems - Permanent magnets - Sliding mode control - Vectors

摘要：This paper is concerned with a model-free adaptive sliding mode (MS) vector controller design for unstable dynamic speed performance caused by load disturbance in dynamic positioning (DP) podded permanent magnet synchronous propulsion motor (PMSPM) control system. PMSPM dynamic speed equation and speed discrete system are first established. Then, the sliding mode controller is designed, and the model-free adaptive controller is introduced for the discrete time system considering load disturbance, the ESO algorithm is introduced to estimate the disturbance unknowns and give the pseudo partial derivative estimation algorithm. Finally, a MS vector control scheme for PMSPM is proposed by combining vector control and verified by MATLAB/Simulink. The dynamic speed performance of PMSPM verifies the effectiveness of the controller design.<br/> &copy; 2019 IEEE.

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