Optimization of Steering System of Forklift Vehicle for Idle Performance

Yuan Shen, Biao Chu, DongCai Liu and Chang’an Zhu

Mathematical Problems in Engineering, 2015, vol. 2015, 1-9

Abstract:

This paper presents an optimal design process for the steering system of a forklift vehicle. An efficient procedure for minimizing the engine-induced idle vibration is developed in this study. Reciprocating unbalance and gas pressure torque as two major sources of engine excitation are studied. Using the field vibration tests and FEM analysis, the cause and characteristics of steering system’s idle vibration are recognized. So as to distribute the characteristic modes based on the optimization strategy, global sensitivity analysis of the main parameters is also carried out to achieve the optimal combination of the optimization factors. Based on all analysis above, some structure modifications for optimization are presented to control the idle vibration. The effectiveness and rationality of the improvements are also verified through experimental prototyping testing. This study also makes it possible to provide a design guideline using CAE (computer aided engineering) analysis for some other objects.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:313182

DOI: 10.1155/2015/313182

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