Abstract
The position tracking problem is investigated in this paper for DC torque motor system. A novel fixed-time control strategy is presented, the structure of which can be adjusted with continuous transition. A fixed-time extended state observer is designed to estimate the total disturbance. The proposed observer-based controller renders the position of DC torque motor track the desired signal in fixed time. Both disturbance observer and position tracking controller are fixed-time convergent. The bound of setting time can be determined regardless of initial states. Numerical simulation and experiment are carried out to validate the effectiveness of the proposed strategy.
Published Version
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