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Extended PI Feedback Tracking Control for Synchronous Motors

Francisco Beltran-Carbajal*, Ruben Tapia-Olvera, Irvin Lopez-Garcia, Antonio Valderrabano-Gonzalez, Julio Cesar Rosas-Caro, and Jose Luis Hernandez-Avila
International Journal of Control, Automation, and Systems, vol. 17, no. 6, pp.1346-1358, 2019

Abstract : A new dynamic feedback tracking control method of desired velocity and current profiles for permanent magnet synchronous motors, without the additional synthesis of disturbance observers and parametric identification methods, is introduced. Proportional-Integral (PI) feedback is properly extended for both efficient planned motion tracking control and simultaneous fast disturbance estimation. In this fashion, design of additional high-gain disturbance observers becomes unnecessary. This is, on-line dynamic load uncertainty estimation is simultaneously achieved by proposed tracking control implementation. Analytical and numerical results prove the efficient and robust tracking performance of controlled system variables on planned smooth motion profiles and a high-accuracy estimation of unknown high-order variable disturbances.

Keyword : "Dynamic feedback control, PI feedback, synchronous motor, trajectory tracking. "

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