摘要
文章简述了碰撞试验车在碰撞前后车身测量的常规方法。根据数值计算"最小二乘法"原理并结合碰撞试验车实际情况提出"基准特征构造"测量方法。利用若干单点以"最小二乘法"构造虚拟特征元素,依据这些特征元素建立坐标系进行试验后对比测量,在保证测量精度的同时,有效提高了碰撞试验车在碰撞试验后的测量效率。
This paper gives a brief description of the conventional method of vehicle measurement before and after impact tests. According to the principle of the "least square" method and the actual situation of the impact tests vehicle, the "datum feature Structuring" method is put forward. Using several points to construct virtual feature as reference for establishing coordinate system when measuring, while ensuring the accuracy of measurement, and effectively improving the measure-ment efficiency of impact tests vehicle after impact tests.
引文
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