可変リンク機構による鉄道車両の車体傾斜制御に関する基礎的研究 : 第2報,完全車体傾斜条件に基づく車体傾斜制御系の設計(機械力学,計測,自動制御)

概要

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This paper aims to analyze fundamental dynamic charactristics of tilting railway vehicle using variable link mechanism for compensating both lateral acceleration that passengers feel and wheel load imbalance between inner and outer rails. Theoretical analysis is conducted to find "Perfect Tilting Condition" that is a geometric parameter set of link mechanism that can provide both zero lateral acceleration and zero wheel load imbalance simultaneously. This perfect tilting condition can be realized by changing the variable length of link mechanism so that this tilting control system is a kind of semi-active control. To change the length of link mechanism on curved section, feedforward + feedback optimal control theory is applied to the vehicle body tilting system with a developed variable link mechanism presented in 1st report. From computer simulation and experiment using a scale model, it is clarified that the proposed tilting control is effective to suppress both over-centrifugal acceleration and wheel load imbalance.
社団法人日本機械学会の論文
2008-07-25