会议论文详细信息
International Workshop "Advanced Technologies in Material Science, Mechanical and Automation Engineering – MIP: Engineering – 2019"
Assessment of the vehicle vibration loading with taking into account the dynamic stiffness of the leaf spring
材料科学;机械制造;原子能学
Polyakov, Yu. A.^1
National University of Science and Technology MISiS, Lenina Avenue 4, Moscow
119049, Russia^1
关键词: Cyclic oscillations;    Dynamic characteristics;    Dynamic stiffness;    Important features;    Large displacements;    Multi-link model;    Spring suspensions;    Vehicle vibrations;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/537/3/032099/pdf
DOI  :  10.1088/1757-899X/537/3/032099
学科分类:材料科学(综合)
来源: IOP
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【 摘 要 】

New multilink models of leaf spring suspensions take into account a number of important features. First, we are talking about the features of the kinematics of suspension elements in the design scheme of the vehicle. Their account is provided by application of the differential equations of large displacements of bodies and also modeling of a leaf spring in the form of the links, connected by joints. Secondly, the nonlinearity of the hysteresis dynamic characteristics of the suspension is taken into account, with the help of which the dynamic stiffness of the leaf spring is considered. The dynamic stiffness is depending from the dry friction between spring leafs and the amplitudes of cyclic oscillations with a random external road forcing. Thirdly, the accuracy of the installation scheme of the leaf spring in the vehicle suspension is considered. It takes into account the peculiarities of fixing the leaf spring and their impact on the change in stiffness.

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