基于试验模态分析的车辆道路车轮滚动能量损失评估方法

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL
Chengwei Zhu , Ye Zhuang , Weiguang Fan , Zhenxin Long , Shuyu Zhang
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引用次数: 1

摘要

提出了一种新的履带车辆车轮滚动能量损失评估方法,该方法利用加速度传感器的简化模态试验,基于单点振动激励和单点拾取频响函数识别车轮表面的阻尼。以不同胎面橡胶履带车辆的三个车轮为试样进行了模态试验。采用半功率带宽法辨识粘滞阻尼参数。通过对车轮阻尼参数的数值排序,将每个车轮的阻尼参数值与其对应的滚动能量损失进行比较,验证其相关关系。通过模型开发和试验验证,研究了道路车轮的非线性变形和刚度与滚动能量损失的关系。结果表明,三种车轮的阻尼比与滚动能量损失有较好的相关性。所提出的评价方法能够有效地评价道路车轮的滚动能量损失,为传统道路车轮滚动能量损失试验方法提供了一种简单、经济的替代方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A novel evaluation method for rolling energy losses of tacked vehicle road wheels using experimental modal analysis

A novel evaluation method for rolling energy losses of road wheels of tracked vehicle is proposed, in which damping of road wheel surface is identified based on single vibration excitation and single point picking up frequency response function using a simplified modal experiment with an acceleration sensor. Three road wheels of tracked vehicle with different tread rubber are utilized as specimens during the modal experiments. The half power bandwidth method is employed to identify the viscous damping parameters. The damping parameters of road wheels are ranked by their values, and then these values of every road wheels are compared with their corresponding rolling energy losses to validate their correlative relationship. Moreover, the nonlinear deformation and stiffness of road wheels are investigated about their correlation with the rolling energy losses through model development and experimental validation. The results prove that the damping ratios of road wheels are correlated well with the rolling energy losses for all the three road wheels. The proposed evaluation method could effectively evaluate the rolling energy losses of road wheels, which suggests a simplified and economical alternative over the conventional rolling energy losses experimental method of road wheels.

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来源期刊
Journal of Terramechanics
Journal of Terramechanics 工程技术-工程:环境
CiteScore
5.90
自引率
8.30%
发文量
33
审稿时长
15.3 weeks
期刊介绍: The Journal of Terramechanics is primarily devoted to scientific articles concerned with research, design, and equipment utilization in the field of terramechanics. The Journal of Terramechanics is the leading international journal serving the multidisciplinary global off-road vehicle and soil working machinery industries, and related user community, governmental agencies and universities. The Journal of Terramechanics provides a forum for those involved in research, development, design, innovation, testing, application and utilization of off-road vehicles and soil working machinery, and their sub-systems and components. The Journal presents a cross-section of technical papers, reviews, comments and discussions, and serves as a medium for recording recent progress in the field.
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