2405 ベントビームアクチュエータのパルス駆動による消費エネルギー効率の向上(J22-1 圧電素子とマイクロアクチュエータ,J22 マイクロメカトロニクス,2005年度年次大会)

概要

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This paper investigates the dynamics of bent-beam electrothermal actuators and their use in impact actuation of bi-stable switch, and in particular the issue of energy efficiency achieved by temporal variations in electrical drive signals. A transient thermal model of an actuator beam shows that the uniformity of temperature profile is greater when activating with short electrical pulses, which results in larger achievable displacements and forces. A transient analysis by FEM reveals that using a train of pulses, referred to as a burst pulse, for activation achieves significant impact forces due to high velocities at the point of impact.
一般社団法人日本機械学会の論文
2005-09-18