Abstract
Linear resonant actuators (LRAs) have been used in a wide range of applications because of their high efficiency. However, the amplitude of LRAs severely decreases when external loads are applied. As a solution to this problem, this paper proposes a disturbance compensation control using sensor-les s load estimation. First, we propose a load device which is able to evaluate the dynamic characteristics of an actual LRA mounted on an electric shaver. Next, we verify the effectiveness of the proposed control through measurement using 1-mover LRA and voice coil motor. As a result, measurement using this load device validates the effectiveness of the proposed control.
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