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  • Summary & Details

Unsprung Mass Pitching Action and its Effects on Riding Comfort

乗心地におけるばね下ピッチングの作用と効果

Detailed Information

Category(J)研究論文

Translation

Category(E)Research Paper
Author(J)1) 籾山 冨士男
Author(E)1) Fujio Momiyama
Affiliation(J)1) ㈱ホリキリ
Abstract(J)ばね下ピッチング運動を付加した乗心地クォーターモデルを紹介している。その運動方程式の構造から、メカニズムを説明し、効果を予測した上で、状態方程式を導出し大型トラックの諸元を用いて計算検証している。ばね下ピッチングの固有振動数を境に効果が入れかわることを明らかにし、その条件式を明らかにしている。

Translation

Abstract(E)This paper introduces a riding comfort quarter model featured unsprung mass pitching, and explains its mechanisms for reducing disturbance applied from a road surface by featuring unsprung mass pitching on the principle of motion equation structures. Proper control of unsprung mass pitching makes it possible to reduce the gain of the sprung mass bouncing in a frequency range lower than the natural frequency of unsprung mass pitching. As the natural frequency of unsprung mass pitching is ten times higher than that of sprung mass, this principle is possible to apply for improve the riding comfort during general run of vehicles.

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