Fractional-Order PID Control Method for Space Teleoperation

Conventional PID control method has difficulty in considering both overshoot and settling time, so it cannot meet the requirement of "more careful and more flexible" for space teleoperation. Aiming at this problem, this paper designs fractional-order PID (FOPID) controller for space teleoperation, and tunes the parameters of FOPID based on its stability domain directing at the space teleoperation time delay system. Finally, computer simulation results show that the FOPID control system has better tracking performance comparing to the conventional PID control system for space teleoperation. Also, according to the simulation results, FOPID is suitable for space teleoperation system because of its good anti-interference capabilities and robustness.