但由于环境和被测物体的材质、表面几何结构和观测角度的影响，会使成像上表现的温度测量值结果产生一定的误差。
Because of the difference of measured surface, such as quality, surface situation, geometric structure and measured Angle, the error of the temperature occurred in the image.
本文首先结合某打磨机器人的实际几何结构，建立了该机器人的误差模型，利用单点法来辨识几何参数误差值；
Combining its real geometrical structure, a polishing robot's error model is established and a single point method is used to identify the geometrical parameter errors.
以HTCR径向转向架导向机构为例，应用泰勒定理进行了系统误差分析，本文导出了使系统误差最小而结构上应满足的几何关系；
Taking the HTCR radial steering bogies for example, the geometrical mechanism relation fitted for minimum error is discussed by means of Taylor's formula to analyze the mechanism system error.
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