自動車の車体ピッチの固有振動形

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概要

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• This paper presents the proper mode of the pitching (bouncing) vibration of an automobile body, which is assumed as a rigid body supported on the two axies, front and rear, by the linear spring and viscous damping, namely the linear system having two degrees of freedom. The general application of the theory can been obtained by using a properly demensionless quantity. It is analytically shown how the pair of the proper modes of the vibration is changed, namely how each of the frequencies, damping factors and centers of the vibration is separated, according as respective centers of mass, elasticity and damping are independently shifted, and the ratio of the wheel base to the radius of inertia is changed. Moreover, the pair of the approximate frequencies, which is obtained on the assumption that a car body can bounce on an axis, front or rear, about the other axis as a hinge, is compared with the exact frequencies.

• 一般社団法人日本機械学会の論文
• 1963-01-25

著者

• 栗山 洋四

  機械試験所

• 栗山 洋四

  機械試験所東村山分室

関連論文

• 自動車の車体ピッチの固有振動形
• 自動車の車体ピッチの固有振動形
• 〔59〕推計学の手法を用いた自動車振動の解析, M. P. Bieniek, Autom. Engr., 1960-4, Vol. 50, No. 4, p. 143〜147, 図4, 表1
• 〔363〕平衡懸架方式の自動車の自由振動И.Г.Пархиловский, Автомобильная Промышленность, 1959, No.3, стр.20〜26, 図10, 表1
• 〔362〕自動車ばね上の位置と振動振幅の関係Я.М.Певзнер, Автомобильная Промышленность, 1959, No.3, стр.13〜17, 図7
• 〔115〕非線型復原力系固有周期の簡便な求め方-特に自動車用ばねについて-〔Dr.J.Geiger, ATZ, 1957,Jg.59,Ht.8,S.226〜229,図9〕

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