Critical speed of propshaft and effect of forced synchroniztion in transmission of straight-four engine vehicles

102nd International Scientific and Technical Conference "Intelligent Systems of Driver Assistance: Development, Research, Certification"

运输工程;计算机科学

Saveliev, V.A.^1

FSUE NAMI, Moscow, Russia^1

关键词: Critical frequencies;    Emergency situation;    Flexural vibrations;    Four cylinder engine;    Frequency captures;    Resonance mode;    Shaft rotation;    Shaft vibrations;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/386/1/012005/pdf
DOI  :  10.1088/1757-899X/386/1/012005

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

The article shows the role of precession of a propshaft in increasing its vibration ativity. An auto inline four-cylinder engine has been shown to trigger a resonance mode of its drive shaft vibrations, i.e. intense flexural vibrations, leading to an emergency situation. This is due to the effect of forced synchronization (frequency capture) when the frequency of the second order unbalanced inertia forces is approaching the critical frequency of drive shaft rotations.