A29 空気ばねの減衰制御による鉄道車両の車体上下振動低減(OS2-2 交通機械/振動制御の高度化)

概要

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The air suspension system is now widely used for railway vehicles. To improve the riding comfort of vehicles equipped with this system, we tested semi-active control system of air suspensions having a variable orifice which is installed between air spring and auxiliary air chamber, and is controlled by a controller designed based on the H_∞ control algorism. Numerical simulations and excitation tests using a 1/2 carbody on rolling stock testing plant are carried out. The results show that the proposed system reduces effectively the power spectral density (PSD) of acceleration of the carbody floor, and there is observed little difference in the effectiveness of vibration mitigation between the case of using a reduced-order controller and the case of using the original one.
社団法人日本機械学会の論文
2005-08-22