Fin of a subsonic projectile produce maneuvering force and moment that control the rotation angle of a projectile fin during flight. The objective of this paper is to study the feasibility of using piezoelectric actuator and fuzzy logic control to create a smart fin. The fin is rotated by a beam-based piezoelectric actuator, which has an end fixed to the rotation axle of the fine while the other end is pinned at the tip of the fin. A model of the dynamics of the system is obtained using the finite element approach. A fuzzy logic controller for the fin is designed. The membership functions of the fuzzy variables for this controller are determined using a hybrid genetic algorithm. Simulation results show that the proposed controller worked satisfactorily.
Fuzzy Logic Control of Projectile Fin Angle Using Piezoelectric Beam Actuator
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Trabia, MB, Yim, W, & Parimi, SK. "Fuzzy Logic Control of Projectile Fin Angle Using Piezoelectric Beam Actuator." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Dynamic Systems and Control, Parts A and B. Anaheim, California, USA. November 13–19, 2004. pp. 613-618. ASME. https://doi.org/10.1115/IMECE2004-59452
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