某重型商用车驾驶室轻量化设计

来源 :2015中国汽车工程学会年会 | 被引量 : 0次 | 上传用户:tianxia108
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
在某重型商用车驾驶室开发过程中,以驾驶室的钣金件厚度为变量进行正交数组试验,采用响应面法建立此驾驶室的近似模型,然后使用ASA优化方法,以驾驶室的弯曲刚度、扭转刚度和1阶弯曲模态为性能约束,驾驶室总质量为目标,进行多目标优化,最终,得到轻量化设计结果,误差为1.4%-4.9%,在可接受范围内.采用这种多目标的轻量化设计方法,使此款重型商用车驾驶室降重为30kg(降幅6.9%),降重效果显著.这种系统和科学的轻量化设计方法,提高了驾驶室轻量化的效率和精准度,可广泛应用于重型商用车驾驶室轻量化设计和零部件总成的结构优化。
其他文献
For the purpose of further improvement of the fuel economy and riding comfort of a vehicle,the centrifugal pendulum vibration absorber based on the dual-mass flywheel was discussed in order to solve t
首先介绍了将基于ADAMS的整车模型和基于MATLAB的EPS控制系统模型进行针对汽车操纵稳定性的联合仿真试验,研究了EPS对汽车操纵稳定性的影响.在联合仿真试验的基础上重点分析了EPS中各参数对汽车转向操纵性能的影响.分析结果表明,EPS系统应选用转动惯量较小的直流电动机,扭矩传感器刚度也不宜过大,且适当增大减速比有利于改善转向系统的响应品质.
电子节气门故障诊断,是汽油机EMS车载诊断(OBD)的重要诊断之一.本文分析了电子节气门故障诊断系统的工作原理,基于Simulink实现了节气门位置传感器和驱动电动机故障诊断控制策略开发,最后在发动机HIL台架上进行了测试验证.实验结果显示,该故障诊断系统工作稳定可靠,能实时监控并检测出节气门故障.
In this paper,from the new requirements of mobile Internet environment for remote diagnosis system of automobile proposed starting,the development mode and costs of the traditional remote system and p
Thermal runaway(TR)propagation within a large format lithium ion battery module includes two stages:the Initiation Stage and the Propagation Stage.Experiments were conducted to investigate the mechani
The first intelligent diesel idling start/stop technology for commercial vehicles in China was developed by FAWDE.realizing the logic development of intelligent diesel idling start/stop technology,24
Recently weight reduction is increasingly needed in automotive industry to reduce energy consumption and air pollution.In this paper,development of composite material rear bumper beam(GMT,LFT-D,PC-PBT
This is an off-road vehicle independently developed with spare tire mounted on the tail door which can meet military and civilian requirements.In 18000km reliability test,the system problem that tail
A rectilinear rear independent suspension(RRIS)which has the ability to remain the wheel alignment parameters(WAPs)invariable in theory is presented in this paper.The kinematic analysis of the RRIS in
Aimed at safety of vehicle collision avoidance at high speed,a coupled driving/breaking and steering control method is proposed.Based on the differential flatness theory,the flatness-based controller