文档介绍：学兔兔
· 基础研究·
拟合次数对汽车操纵稳定性客观评价指标的影响
潘佳炜袁世海谢伟忠
(广州汽车集团股份有限公司汽车工程研究院,广州 510640)
【摘要】基于线性回归方法将传统操纵稳定性数据处理流程中的多次拟合环节优化为一次拟合,并阐述了拟合次数对
汽车操纵稳定性客观评价指标的影响。将优化前、后的数据处理方法用于稳态回转和正弦输入两个试验进行对比,结果表
明,优化后的方法在试验数据一致性不良的情况下能更好的保证工况极限区域客观指标获取的准确性。
主题词:整车操纵稳定性客观评价指标数据拟合
中图分类号::A 文章编号:1000—3703(2016)02—0029—04
Influence of Data Fitting TimesEvaluationIndex of onData0bjective Fitting of Influence
VehicleHandling Stability
PanJiawei,Yuan Shihai,Xie Weizhong
(GuangzhouAutomobile Group Co.,LTD AutomotiveInstitute,GuangzhouEngineering 510640)
【Abstract】In the conventional handling stability processing flow,the multiplex fitting is optimized to single fitting fitting single to optimized is fitting flow,the multiplex processing stability handling 【Abstract】In conventional the
based on linear regression method,and the influence of number of fitting on objective evaluation index of vehicle handling handling vehicle of index evaluation on objective method,and numberfitting regression of influence basedonlinear the
stability original data processing method and the optimized dataprocessing method are applied in stable
steering test and sine—input results show that the optimized method can ensure accuracy ofthe
objective index acquisition in the extreme condition area even with poor consistency of test data. test of consi