| 考虑道路友好性的载货汽车悬架参数优化仿真 |
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| 引用本文： | 江浩斌,王波,黄炯.考虑道路友好性的载货汽车悬架参数优化仿真[J].计算机仿真,2009,26(5). |
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| 作者姓名： | 江浩斌 王波 黄炯 |
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| 作者单位： | 江苏大学汽车与交通工程学院,江苏,镇江,212013 |
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| 基金项目： | 江苏省高校科研成果产业化推进项目 |
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| 摘 要： | 为了减少汽车轮胎动载荷对路面的损伤,研究兼顾行驶平顺性和道路友好性的悬架参数优化方法.建立了四自由度二分之一汽车振动模型,给出了整车振动方程、频响函数和路面输入模型,针对该汽车常用的行驶条件,以行驶平顺性指标和道路友好性指标的线性加权和作为优化目标,运用Matlab优化工具,对B级和C级路面典型工况的悬架刚度和阻尼进行仿真优化.优化结果表明,悬架参数对行驶平顺性和道路友好性有较大的影响;与原车相比,悬架参数优化后,行驶平顺性提高了5%～15%,道路友好性提高了2%～3%;针对B级和C级路面条件得到的两组优化结果为悬架参数没计提供了可行的目标范围.
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| 关 键 词： | 载货汽车 悬架参数 优化设计 道路友好性 |
Optimizing Simulation of Truck Suspension Parameters Based on Road Friendliness |
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| JIANG Hao-bin,WANG Bo,HUANG Jiong.Optimizing Simulation of Truck Suspension Parameters Based on Road Friendliness[J].Computer Simulation,2009,26(5). |
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| Authors: | JIANG Hao-bin WANG Bo HUANG Jiong |
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| Affiliation: | School of Automobile and Traffic Engineering;Jiangsu University;Zhenjiang Jiangsu 212013;China |
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| Abstract: | A 4 degrees-of-freedom vibration model for a two-axle truck is established,and the total weighing root-mean-square of vibration acceleration of sprung mass on front axle is adopted to evaluate the ride comfort and the road friendliness of truck.The optimizing model for suspension parameter design is established by using ride comfort and road friendliness as objective functions.Optimization for suspension stiffness and damping is finished by using Matlab optimizing tool.The simulation results show that suspe... |
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| Keywords: | Truck Suspension parameter Optimizing design Road friendliness |
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