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In this paper, a current control scheme with switching-gain adaptation is proposed for brushless DC motors. The scheme includes two components, namely a continuous control component and a switching control component. The continuous control component is employed with model reference adaptive control (MRAC) to approximate the parametric uncertainties, and the switching control component is used with...
In order to realize speed tracking of Permanent Magnet Synchronous Motor with uncertain load, the Sliding Mode Control is applied to design tracking controller. When load changes, the speed of the closed-loop control system, which is designed according to conventional Sliding Mode Control, is different from the set speed, and the out-put of the speed tracking controller has strong chattering phenomenon...
A brushless DC motor (BLDCM) state equations based on speed error are established in this paper, and a sliding mode controller with a variable structure based on exponential reaching law is designed for speed regulation of BLDCM. Kalman Filter is used to improve the performance in the situation of noise disturbance. The control performances of variable-structure controller presented in this paper...
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