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基于近似模型的车辆操纵稳定性及平顺性的优化研究
引用本文:杨荣山,袁仲荣,黄向东,赵克刚,陈金华.基于近似模型的车辆操纵稳定性及平顺性的优化研究[J].汽车技术,2009(7).
作者姓名:杨荣山  袁仲荣  黄向东  赵克刚  陈金华
作者单位:1. 华南理工大学
2. 广州汽车集团股份有限公司
3. 华南理工大学;广州汽车集团股份有限公司
基金项目:高等学校博士学科点专项科研基金 
摘    要:简述了基于近似模型的车辆操纵稳定性及平顺性的优化设计方法.利用多体动力学软件ADAMS/Car建立了某轿车整车多体动力学模型,并确定了车辆操纵稳定性及平顺性的评价目标.以悬架弹簧刚度、减振器阻尼特性和横向稳定杆刚度为设计变量,利用近似优化数学模型对该轿车进行了操纵稳定性和行驶平顺性的多目标优化计算.结果表明,近似模型技术对于汽车性能的平衡优化是一种十分有效的方法.

关 键 词:操纵稳定性  平顺性  近似模型  优化

Optimization and Research on Vehicle's Handling Stability and Ride Comfort Based on Approximate Model
Yang Rongshan,Yuan Zhongrong,Huang Xiangdong,Zhao Kegang,Chen Jinbua.Optimization and Research on Vehicle's Handling Stability and Ride Comfort Based on Approximate Model[J].Automobile Technology,2009(7).
Authors:Yang Rongshan  Yuan Zhongrong  Huang Xiangdong  Zhao Kegang  Chen Jinbua
Abstract:The optimized design method of vehicle's handling stability and ride comfort was introduced based on approximate model in this paper.A car multi-body dynamics model was established by using software ADAMS/Car,the evaluating objects of vehicle's handling stability and ride comfort were also determined.The suspension spring rigidity,shock absorbers damping characteristic and anti-roll stabilizer rigidity were used as design variable,and based on the approximate optimized mathematic model,the multi-object optimization calculation of handling stability and ride comfort were carried out.h was indicated that the approximate model technology was an effective method for optimizing vehicle's performance.
Keywords:Handing stability  Ride comfort  Approximate model  Optimization
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