ISSN 0253-2778

CN 34-1054/N

open

Position control of DC-motor based on sliding mode variable structure and high-gain observer

  • A position sliding mode control method based on a high-gain observer is proposed for DC-motor position tracking control. The state space expression of the DC-motor is established. A high-gain observer is designed to observe the speed, current and their derivative signals. The accuracy and stability of the observer is guaranteed by placing suitable poles. The exponential reaching law of sliding mode variable structure is improved. The position tracking control of the DC-motor is realized by adopting the position
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