A New Type of Hydraulic Shock Absorber Using Electrorheological Fluid : Countermeasures for Electric Current Blocked

概要

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We have proposed a new type of hydraulic shock absorber using electrorheological(ER)fluid with apparent viscosity capable of being modified by an electric field.This ER shock absorber is so constructed that it can return to a conventional hydraulic shock absorber when the electric current to the ER shock absorber has been blocked, so that the shock absorber can fulfill the intended function.We compared the present ER shock absorber proposed in this paper with an ER shock absorber, which can not return to a conventional shock absorber under the above situation, proposed by us in the previous paper, during the impact of a body(2250kg)at 2.875m / s by simulation.The results of the simulation made it clear that the maximum acceleration of the body using the present ER shock absorber when blocked was about 1.1 times that of the previous one when not blocked, while the maximum acceleration of the body using the previous one when blocked was about 3.5 times that of the previous one when not blocked.
一般社団法人日本機械学会の論文
1998-03-15