双离合器式自动变速器车辆换挡品质评价系统.doc

文档介绍：第 47 卷第 8 期 2011 年 4 月
机械工程学报
JOURNAL OF MECHANICAL ENGINEERING

Vol . 47 No . 8
Apr. 2011
DOI:.
双离合器式自动变速器车辆换挡品质评价系统*
孙贤安 1 吴光强 1, 2
( 201804; 153-8505 日本)
摘要:目前换挡品质评价多采用主观评价而易受测试人员影响,而且较少考虑换挡过程对其他性能的影响。以双离合器式自动变速器(Dual clutch transmission,DCT)车辆为对象,综合考虑整车动力性、经济性、传动系耐久性、舒适性等多方面因素, 结合换挡时间、加速度、冲击度和能量密度等,提出换挡品质评价指标。通过径向基函数(Radial basis function,RBF)神经网
络方法,建立舒适性主、客观评价之间的联系,并考察不同参数对该网络性能的影响,分析网络训练误差随隐含层神经元数
目变化的趋势,给出部分原始值和训练值之间的区别。基于此,采用界面化编程方式,开发换挡品质评价系统。结合某驾驶
员意图下的换挡过程,进行仿真。结果表明,采用所开发的系统可以有效地消除主观因素的影响,增强了换挡品质评价的客
观性。
关键词:双离合器式自动变速器换挡品质评价指标径向基函数神经网络评价系统
中图分类号:
Shifting Quality Evaluation System for Dual Clutch Transmission Vehicle
SUN Xianan 1 WU Guangqiang 1, 2
(1. Automotive School, Tongji University, Shanghai 201804;
2. Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan)
Abstract:At present,subjective evaluation is mostly adopted for shifting quality evaluation, so it is easily influenced by the testing personnel, and the effects of the shifting process on other performances are hardly considered. Based on the vehicle of dual clutch transmission (DCT), with prehensive consideration of multiple factors including dynamic performance, economy, durability of transmission system fort, combining with shifting time, acceleration, jerk, energy density, etc, the shifting qualit