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calibration ball
相关语句
  校正球
     A method to identify the structure parameters in robot is presented using calibration ball and relevant algorithms. The validity of this method is verified by the experiments performed on FMM10-680 developed by the Xi'an University of Technology.
     文中提出一种利用校正球和相应的算法进行结构参数识别的方法,并在西安理工大学研制开发的FMM10 680机器人上进行了验证。
短句来源
  相似匹配句对
     Get On The Ball
     爬到球上去
短句来源
     The Invention of Ball
     球的发明
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     * Spectral calibration;
     * 谱线校准观测;
短句来源
     Camera calibration.
     ◆相机定标方面
短句来源
     Mechanism of Quasi-dynamic Calibration for Copper Cylinder and Copper Ball
     铜柱、铜球准动态校准的机理
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  calibration ball
Verification of the measuring accuracy of the FaroArm has regularly been carried out using a calibration ball bar.
      


The final trajectory of end-effector is determined by cooperative movement of many components in robot, so that the posture of end-effector is certainly effected by the errors of structure parameters. It is very important that how to identify the structure parameters. A method to identify the structure parameters in robot is presented using calibration ball and relevant algorithms.The validity of this method is verified by the experiments performed on FMM10-680 developed by the Xi'an University of Technology....

The final trajectory of end-effector is determined by cooperative movement of many components in robot, so that the posture of end-effector is certainly effected by the errors of structure parameters. It is very important that how to identify the structure parameters. A method to identify the structure parameters in robot is presented using calibration ball and relevant algorithms.The validity of this method is verified by the experiments performed on FMM10-680 developed by the Xi'an University of Technology.

机器人末端执行器的运动轨迹是由多个构件共同协调运动决定,构件的结构参数误差必然影响到末端执行器的位姿,所以如何识别结构参数非常重要。文中提出一种利用校正球和相应的算法进行结构参数识别的方法,并在西安理工大学研制开发的FMM10 680机器人上进行了验证。

Since laser scanner only samples the surface of an object which is visible from a given viewpoint, in order to scan the entire object, it is necessary that the multiple views around the object are captured and aligned in a common coordinate system. Locating the center axis of a turntable precisely is essential for measuring the object which turned on the axis and the registration of multi-view. A new method is proposed to calibrate the axis of the turntable. Firstly, a ball as the calibration normal is mounted...

Since laser scanner only samples the surface of an object which is visible from a given viewpoint, in order to scan the entire object, it is necessary that the multiple views around the object are captured and aligned in a common coordinate system. Locating the center axis of a turntable precisely is essential for measuring the object which turned on the axis and the registration of multi-view. A new method is proposed to calibrate the axis of the turntable. Firstly, a ball as the calibration normal is mounted on the turntable, then measuring the surface of the calibration ball and calculating its center at different rotational angles. These centers define a circle and a plane. The normal of the plane and the center of the circle counted by geometric transform decide the orientation of the axis of the turntable. The multiple views turn around the axis and can be integrated automatically. The error of registration is about 70 μm within 80 mm rotational radius on the measuring platform which accuracy is 50 μm. Compared with the previous methods, the new method is simple and efficient and can be used in other measuring system with a turntable.

由于激光扫描一次只能测量给定视角可见的物体表面,若测量物体全方位的形状,必须通过旋转,从多个视角测量物体,并将多视数据拼合于同一坐标系。精确标定转台的中心轴线是旋转测量和多视拼合的关键。提出了一种标定转台中心轴线的新方法,该方法将一个标定球固定于转台上,通过旋转,测量不同位置的标定球,计算不同位置的球心及其所在平面的法矢,再利用几何变换计算球心所在圆的圆心,从而精确标定出转轴的方位,实现了多视测量数据在线自动拼合,提高了数据拼合的精度。对于精度为50μm的测量机,在半径80mm的旋转范围内,拼合误差约为70μm。与以前的方法相比,设计的转轴标定方法简单、高效,在其他安装转台的测量系统中同样适用。

 
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