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Recently many multi-degree-of-freedom actuators have been proposed and we ourselves have proposed a 2-degree-of-freedom spherical actuator. In this paper a feedback control method is proposed, and the dynamic operating characteristics under feedback control are computed using 3-D finite element method analysis. In addition, in order to verify the simulation results, experiments using a prototype are carried out.
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Sakaidani et al. (2013) studied this question.
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