互联空气悬架对整车振动性能的影响
以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向互联和四角互联的互联空气悬架整车动力学模型,仿真研究互联模式对车身固有频率的影响,从频域和时域2方面研究互联模式在C级路面,车速为60 km·h~（-1）工况下的车身加速度响应规律.结果表明：与非互联模式相比,互联空气悬架车辆在正弦对扭激励下,前左簧上质量加速度均方根值在中低频为0.5~7.0 Hz时均有不同程度的改善,横向互联和四角互联模式能降低侧倾角固有频率,纵向互联和四角互联能降低俯仰角固有频率,在随机路面激励下3种互联模式下乘坐舒适...
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| Published in | 江苏大学学报（自然科学版） Vol. 38; no. 4; pp. 410 - 415 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
江苏大学汽车与交通工程学院,江苏镇江,212013%江苏大学机械工程学院,江苏镇江,212013
2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-7775 |
| DOI | 10.3969/j.issn.1671-7775.2017.04.007 |
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| Abstract | 以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向互联和四角互联的互联空气悬架整车动力学模型,仿真研究互联模式对车身固有频率的影响,从频域和时域2方面研究互联模式在C级路面,车速为60 km·h~（-1）工况下的车身加速度响应规律.结果表明：与非互联模式相比,互联空气悬架车辆在正弦对扭激励下,前左簧上质量加速度均方根值在中低频为0.5~7.0 Hz时均有不同程度的改善,横向互联和四角互联模式能降低侧倾角固有频率,纵向互联和四角互联能降低俯仰角固有频率,在随机路面激励下3种互联模式下乘坐舒适性均得到提升. |
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| AbstractList | U463.33; 以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向互联和四角互联的互联空气悬架整车动力学模型,仿真研究互联模式对车身固有频率的影响,从频域和时域2方面研究互联模式在C级路面,车速为60 km·h-1工况下的车身加速度响应规律.结果表明:与非互联模式相比,互联空气悬架车辆在正弦对扭激励下,前左簧上质量加速度均方根值在中低频为0.5～7.0Hz时均有不同程度的改善,横向互联和四角互联模式能降低侧倾角固有频率,纵向互联和四角互联能降低俯仰角固有频率,在随机路面激励下3种互联模式下乘坐舒适性均得到提升. 以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向互联和四角互联的互联空气悬架整车动力学模型,仿真研究互联模式对车身固有频率的影响,从频域和时域2方面研究互联模式在C级路面,车速为60 km·h~（-1）工况下的车身加速度响应规律.结果表明：与非互联模式相比,互联空气悬架车辆在正弦对扭激励下,前左簧上质量加速度均方根值在中低频为0.5~7.0 Hz时均有不同程度的改善,横向互联和四角互联模式能降低侧倾角固有频率,纵向互联和四角互联能降低俯仰角固有频率,在随机路面激励下3种互联模式下乘坐舒适性均得到提升. |
| Abstract_FL | Taking the interconnected air suspension as research object,the acceleration frequency responses under different interconnected modes were investigated by building a vehicle test bench.Based on vehicle dynamics,thermodynamics and fluid mechanics,the full vehicle model with interconnected air suspension was established and simulated with integrating non-interconnection,lateral interconnection,longitudinal interconnection and four-corner interconnection.The effects of four interconnected modes on bounce,pitch and roll frequency were analyzed.The acceleration responses of vehicle at 60 km · h-1 on level C pavement were investigated in both frequency and time domain.The results show that compared with non-interconnection,the RMS of spring mass acceleration of interconnected air suspension in 0.5 ～7.0 Hz is improved under twisted sine excitation,and the roll frequency is reduced by lateral and fourcorner interconnection.The pitch frequency is reduced by longitudinal and four-corner interconnection,and the ride comfort in three interconnected modes is improved on the random road. |
| Author | 张云 周孔亢 钱宽 |
| AuthorAffiliation | 江苏大学汽车与交通工程学院,江苏镇江212013 江苏大学机械工程学院,江苏镇江212013 |
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| Author_FL | ZHOU Kongkang QIAN Kuan ZHANG Yun |
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| Author_xml | – sequence: 1 fullname: 张云 周孔亢 钱宽 |
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| Keywords | 台架试验 interconnected mode 互联模式 振动性能 vibration performance 仿真分析 空气悬架 bench test simulation analysis air suspension |
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| Notes | 32-1668/N Taking the interconnected air suspension as research object, the acceleration frequency responses under different interconnected modes were investigated by building a vehicle test bench. Based on vehicle dynamics, thermodynamics and fluid mechanics, the full vehicle model with interconnected air suspension was established and simulated with integrating non-interconnection, lateral interconnection, longitudinal interconnection and four-corner interconnection. The effects of four interconnected modes on bounce, pitch and roll frequency were analyzed. The acceleration responses of vehicle at 60 km·h^-1 on level C pavement were investigated in both frequency and time domain. The results show that compared with non-interconnection, the RMS of spring mass acceleration of interconnected air suspension in 0.5 - 7.0 Hz is improved under twisted sine excitation, and the roll frequency is reduced by lateral and four- corner interconnection. The pitch frequency is reduced by longitudinal and four-corner intercon |
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| Publisher | 江苏大学汽车与交通工程学院,江苏镇江,212013%江苏大学机械工程学院,江苏镇江,212013 |
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| Snippet | 以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向互联和四... U463.33; 以互联空气悬架为研究对象,通过搭建整车试验台架研究不同互联模式下车身加速度频率响应,综合车辆动力学、工程热力学和流体力学理论,建立集成非互联、横向互联、纵向... |
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| SubjectTerms | 互联模式 仿真分析 台架试验 振动性能 空气悬架 |
| Title | 互联空气悬架对整车振动性能的影响 |
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