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Retuning the actuator proportional-integral-derivative controller of spinning missiles

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Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Published online on

Abstract

The hinge moment acting on the actuator will cause an out-of-plane moment, which is a destabilizing factor to the angular motion of spinning missiles. A new tuning criterion for the actuator controller is proposed to decrease the out-of-plane moment. It is noted that the integral element does not decrease the out-of-plane moment. A carefully designed proportional–derivative controller with some compromises can ensure the stability of the missile and provide good performance for the actuator.