高速応答MR流体アクチュエータに関する研究(機械力学,計測,自動制御)

概要

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Magnetorheoloeical (MR) fluids are materials that change their rheological behavior by an applied magnetic field. They have been attracted as functional fluids that can improve properties of mechanical systems. We have developed an actuator using MR fluid. In the previous paper, a design method of MR-fluid actuator was proposed by using magnetic circuit theory. The basic experiments were carried out and the static properties that agreed well with the design were obtained. However, the transient response that wasn't considered in the design phase was not so fast. In this paper, we investigate the dynamics of the MR-fluid actuator and aim to improve the response. The transient magnetic analysis is examined in consideration of the eddy current. Two approaches are proposed to improve the response. Finally, we realize a much faster MR-fluid actuator.
社団法人日本機械学会の論文
2003-05-25