The mathematic model of concentricity error and a advanced optimal method - "cosine shift plus" are put forward.
提出了同轴度误差的数学模型,其中给出一种高效的优化方法一余弦移位相加法。
2
Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.