汽车覆盖件曲面造型中数据拟合法改进  

Improvement of Data Fitting in Automobile Surface Modeling

作　　者：张树强[1] 苗恩铭[2] 

机构地区：[1]合肥工业大学机械与汽车工程学院 [2]合肥工业大学仪器仪表学院

出　　处：《农业机械学报》2004年第5期39-42,共4页Transactions of the Chinese Society for Agricultural Machinery

基　　金：安徽省"十五"重大专题项目 (项目编号 :0 110 2 0 0 9)

摘　　要：对某汽车前围挡板覆盖件进行了数据采集和曲线拟合 ,使用中将传统的数据拟合法进行改进 ,在同等采样数据量的条件下精度得到提高。该法在实际应用中可通过减少测量数据来降低劳动强度 ,提高效率而又不影响曲线拟合精度 ,具有较好的工程应用价值。An automobile surface modeling usually needs to sample a great deal date in advance, and than to fit them into a surface and finally to model and modify the surface into a smooth and precise one. The conventional date fitting technique was improved in this work and the improved method obtained a more precise surface the conventional ones in the cases of the same amount of acquired data. The method was validated by a practical fitting process of the front baffle of a Jiangling automobile manufactured by Jianghuai Auto Factory. The results indicate that the improved method can reduce the needs for amount of the measured date without any loss in the product precision.

关 键 词：汽车覆盖件 曲面造型 数据拟合法 技术改进 

分 类 号：U463.83[机械工程—车辆工程]