258 ER 流体を用いた能動制御型緩衝装置の開発に関する研究

概要

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This article reports a study on the development of a new ER hydraulic draft gear as a relief buffer for the purpose of lower the coupler force acting between the failed and the relief bullet train set. A prototype buffer consists of a hydraulic cylinder, an ER bypass slit valve, and a PID feedback controller was developed. The damping force is developed in the ER fluid both through the bypass slit and at the piston-cylinder gap. First, theoretical analysis of the fluid characteristics of the buffer is conducted. Next, the primary functions and performance of the buffer as an active buffer are investigated experimentally. Theoretical analysis and experimental results show that the coupler force of the railway vehicle can be controlled effectively by using the proposed electrorheological bypass damper.
社団法人日本機械学会の論文
2005-08-22