基于迭代微调的车灯反射器复杂曲面快速逆向建模  

Rapid Modeling of Free Form Reflector Surface Based on Iterative Minor Adjustment

作　　者：王刚[1] 单岩[1] 吴纬纬[1] 

机构地区：[1]浙江大学化工机械研究所,杭州310027

出　　处：《机械工程学报》2008年第3期117-122,共6页Journal of Mechanical Engineering

基　　金：'十一五'国家科技支撑计划资助项目。

摘　　要：面向车灯反射器配光曲面建模中高精度和高效率的基本要求,提出一种基于迭代微调的复杂曲面快速建模方法。该方法通过对曲面基本骨架曲线控制顶点的微调计算,使曲面能够较好地满足精度误差控制要求,同时迭代拟合过程的快速收敛,实现了曲面微调过程的自动化,从而保证了高效的曲面逆向建模。设计实例表明该方法能够稳定、快速地创建高精度的车灯反射器曲面,有效地提高企业生产效率。Free form reflector reverse modeling has rigid precision and efficiency requirements, which are related of optical characteristics. A rapid modeling method of surface minor adjustment is presented, which is based on iterative fitting. The reflector surfaces can be created rapidly by minor adjusting the section curves iteratively, and the whole process is under error control. Design applications show that developed techniques can deal with the reflector modeling stably and rapidly, and improve enterprise productivity obviously.

关 键 词：迭代微调 反射器 配光性能 逆向建模 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]