基于弹性基础柔性梁的重载轮胎面内胎体与胎侧耦合建模及参数辨识

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (6) : 28-35.

论文

刘志浩1，高钦和1，刘准1，王旭1

作者信息 +

Dynamics modeling, modal experiment and parameters identification of heavy loaded radial tires considering the coupled feature of tread, sidewall and rim

LIU Zhihao1，GAO Qinhe1，LIU Zhun1， WANG Xu1

Author information +

文章历史 +

摘要

提出一种针对胎侧径向长度和胎体宽度比值(扁平比)接近1的重载子午轮胎的面内中低频试验模态分析、动力学建模和参数辨识方法。针对重载轮胎扁平比大的特点，开展柔性胎体与周向分布胎侧单元耦合的试验模态测试方法研究；建立考虑胎体面内弯曲和充气效应、胎侧惯性力和分段刚度的胎体-周向分布胎侧-轮毂耦合动力学模型，推导轮胎面内耦合固有频率解析解；开展结构参数辨识研究，预测高阶模态固有频率。结果表明：（1）重载轮胎在0~180Hz和180~300Hz频段内分别为柔性胎体与周向分布胎侧单元的同向与反向振动；（2）基于柔性胎体-周向分布胎侧单元-轮毂质量块耦合的模态分析和动力学建模方法可准确表征300Hz范围内重载轮胎面内振动特征。

Abstract

The experimental modal analysis, dynamic modeling and structural parameter identification were employed to research the inplane vibration modes of heavyloaded radial tires with larger flat ratio. The coupled characteristics of flexible tread, distributed sidewall element and rim were investigated by means of the experimental modal analysis. Taking the bending and inflation features of the flexible tread and the inertial force and sectional spring of the sidewall into consideration, the coupled kinematics of flexible tread, distributed sidewall element and rim was modeled. The inplane coupled analytical modal frequency was derived. The structural parameters identification was implemented and the higher order modal frequenies were predicted with the analytic method. The results show that: the flexible tread vibrates in the same/opposite direction with the distributed sidewall within 0-180 Hz and 180-300 Hz respectively ; the modal analysis and kinetics modeling in consideration of the coupled features of flexible tread, distributed sidewall element and rim can accurately characterize the inplane vibration features of heavy loaded tires within the frequency band of 300 Hz. 

导出引用

刘志浩1，高钦和1，刘准1，王旭1. 基于弹性基础柔性梁的重载轮胎面内胎体与胎侧耦合建模及参数辨识[J]. 振动与冲击, 2018, 37(6): 28-35

LIU Zhihao1，GAO Qinhe1，LIU Zhun1， WANG Xu1. Dynamics modeling, modal experiment and parameters identification of heavy loaded radial tires considering the coupled feature of tread, sidewall and rim[J]. Journal of Vibration and Shock, 2018, 37(6): 28-35

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