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    • 1. 发明授权
    • Vision correction method for tool center point of a robot manipulator
    • 机器人机械手工具中心点视觉校正方法
    • US09043024B2
    • 2015-05-26
    • US13414919
    • 2012-03-08
    • Long-En ChiuShu-Jun FuGang Zhao
    • Long-En ChiuShu-Jun FuGang Zhao
    • G05B19/18B25J9/16
    • B25J9/1692G05B2219/39026
    • A vision correction method for establishing the position of a tool center point (TCP) for a robot manipulator includes the steps of: defining a preset position of the TCP; defining a preset coordinate system TG with the preset position of the TCP as its origin; capturing a two-dimensional picture of the preset coordinate system TG to establish a visual coordinate system TV; calculating a scaling ratio λ of the vision coordinate system TV relative to the preset coordinate system TG; rotating the TCP relative to axes of the preset coordinate system TG; capturing pictures of the TCP prior to and after rotation; calculating the deviation ΔP between the preset position and actual position of the TCP; correcting the preset position and corresponding coordinate system TG using ΔP, and repeating the rotation through correction steps until ΔP is less than or equal to a maximum allowable deviation of the robot manipulator.
    • 一种用于建立机器人操纵器的工具中心点(TCP)的位置的视觉校正方法包括以下步骤:定义TCP的预置位置; 以TCP的预设位置为原点定义预设坐标系TG; 捕获预设坐标系TG的二维图像以建立视觉坐标系TV; 计算视觉坐标系TV相对于预设坐标系TG的缩放比率λ; 旋转TCP相对于预设坐标系TG的轴; 在旋转之前和之后捕获TCP的图片; 计算TCP的预设位置和实际位置之间的偏差&Dgr; P; 使用&Dgr; P校正预设位置和相应的坐标系TG,并通过校正步骤重复旋转直到&Dgr; P小于或等于机器人操纵器的最大允许偏差。
    • 3. 发明申请
    • CALIBRATION METHOD FOR TOOL CENTER POINT OF A ROBOT MANIPULATOR
    • 机器人操纵器工具中心点的校准方法
    • US20130123982A1
    • 2013-05-16
    • US13648416
    • 2012-10-10
    • LONG-EN CHIUYONG WU
    • LONG-EN CHIUYONG WU
    • G05B19/402
    • B25J9/1692
    • A calibration method for calibration a tool center point for a robot manipulator includes the steps of: driving the tool to move above one of the inclined surfaces; defining a preset coordinate system TG; rotating the TCP relative to the UG-axis by about 180 degrees, calculating the value of Δw; updating the position parameters of the preset TCP, defining a new preset coordinate system TG′; rotating the TCP relative to the UG′-axis by about 90 degrees, calculating the value of Δv; updating the position parameters of the new preset TCP, defining a new preset coordinate system TG″; driving the tool to move above a planar horizontal surface; rotating the TCP relative to a axis by about 30 degrees, calculating the value of Δu; repeating the aforementioned steps until the deviation ΔP (Δw, Δv, Δu) is less than or equal to a maximum allowable deviation of the robot manipulator.
    • 用于校准机器人操纵器的工具中心点的校准方法包括以下步骤:驱动所述工具以在所述倾斜表面之一上方移动; 定义预设坐标系TG; 将TCP相对于UG轴旋转约180度,计算Deltaw的值; 更新预设TCP的位置参数,定义新的预设坐标系TG'; 将TCP相对于UG'轴旋转约90度,计算Deltav的值; 更新新的预设TCP的位置参数,定义新的预设坐标系TG“; 驱动工具移动到平面水平面上方; 将TCP相对于轴旋转大约30度,计算Deltau的值; 重复上述步骤,直到偏差DeltaP(Deltaw,Deltav,Deltau)小于或等于机器人操纵器的最大允许偏差。
    • 4. 发明授权
    • Calibration method for tool center point of a robot manipulator
    • 机器人机械手工具中心点的校准方法
    • US09002516B2
    • 2015-04-07
    • US13648416
    • 2012-10-10
    • Long-En ChiuYong Wu
    • Long-En ChiuYong Wu
    • G05B19/04G01L25/00B25J9/16
    • B25J9/1692
    • A calibration method for calibration a tool center point for a robot manipulator includes the steps of: driving the tool to move above one of the inclined surfaces; defining a preset coordinate system TG; rotating the TCP relative to the UG-axis by about 180 degrees, calculating the value of Δw; updating the position parameters of the preset TCP, defining a new preset coordinate system TG′; rotating the TCP relative to the UG′-axis by about 90 degrees, calculating the value of Δv; updating the position parameters of the new preset TCP, defining a new preset coordinate system TG″; driving the tool to move above a planar horizontal surface; rotating the TCP relative to a axis by about 30 degrees, calculating the value of Δu; repeating the aforementioned steps until the deviation ΔP (Δw, Δv, Δu) is less than or equal to a maximum allowable deviation of the robot manipulator.
    • 用于校准机器人操纵器的工具中心点的校准方法包括以下步骤:驱动所述工具以在所述倾斜表面之一上方移动; 定义预设坐标系TG; 将TCP相对于UG轴旋转约180度,计算&Dgr; w的值; 更新预设TCP的位置参数,定义新的预设坐标系TG'; 将TCP相对于UG'轴旋转约90度,计算&Dgr; v的值; 更新新的预设TCP的位置参数,定义新的预设坐标系TG“; 驱动工具移动到平面水平面上方; 将TCP相对于轴旋转大约30度,计算&Dgr; u的值; 重复上述步骤,直到偏差&Dgr; P(&Dgr; w,&Dgr; v,&Dgr; u)小于或等于机器人操纵器的最大允许偏差。
    • 5. 发明申请
    • VISION CORRECTION METHOD FOR TOOL CENTER POINT OF A ROBOT MANIPULATOR
    • 机器人操纵器工具中心点的视觉校正方法
    • US20130035791A1
    • 2013-02-07
    • US13414919
    • 2012-03-08
    • LONG-EN CHIUSHU-JUN FUGANG ZHAO
    • LONG-EN CHIUSHU-JUN FUGANG ZHAO
    • G05B15/00
    • B25J9/1692G05B2219/39026
    • A vision correction method for establishing the position of a tool center point (TCP) for a robot manipulator includes the steps of: defining a preset position of the TCP; defining a preset coordinate system TG with the preset position of the TCP as its origin; capturing a two-dimensional picture of the preset coordinate system TG to establish a visual coordinate system TV; calculating a scaling ratio λ of the vision coordinate system TV relative to the preset coordinate system TG; rotating the TCP relative to axes of the preset coordinate system TG; capturing pictures of the TCP prior to and after rotation; calculating the deviation ΔP between the preset position and actual position of the TCP; correcting the preset position and corresponding coordinate system TG using ΔP, and repeating the rotation through correction steps until ΔP is less than or equal to a maximum allowable deviation of the robot manipulator.
    • 一种用于建立机器人操纵器的工具中心点(TCP)的位置的视觉校正方法包括以下步骤:定义TCP的预置位置; 以TCP的预设位置为原点定义预设坐标系TG; 捕获预设坐标系TG的二维图像以建立视觉坐标系TV; 计算视觉坐标系TV相对于预设坐标系TG的缩放比率λ; 旋转TCP相对于预设坐标系TG的轴; 在旋转之前和之后捕获TCP的图片; 计算TCP的预设位置和实际位置之间的偏差&Dgr; P; 使用&Dgr; P校正预设位置和相应的坐标系TG,并通过校正步骤重复旋转,直到&Dgr; P小于或等于机器人操纵器的最大允许偏差。