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    • 1. 发明公开
    • Method of finding feasible joint trajectories for an n-dof robot with rotation invariant process (N>5)
    • Verfahren zum Finden praktikabler Gelenkbahnenfüreinen N-DOF-Roboter mit Rotationsinvariantenprozess(N> 5)
    • EP2345512A1
    • 2011-07-20
    • EP10150782.0
    • 2010-01-14
    • Syddansk Universitet
    • Petersen, Henrik GordonCortsen, JensSoelvason, Dorthe
    • B25J9/16
    • B25J9/1664B25J9/1607G05B2219/39081G05B2219/40336G05B2219/40339G05B2219/40363
    • There is provided a computer-implemented method for determining feasible joint trajectories for an n-dof (n>5) robot in a rotation invariant processing of an object, such as milling, painting, and welding. The method includes the steps of receiving geometric data representing the object; receiving geometric data representing the processing tool; receiving a tool path X(t), where t is time; searching for feasible paths q Robot (t) using IK (t) and q Tool (t) as set of possible solutions at time t, wherein q Robot (t) defines positions of all the joints in the robot as function of time, q Tool (t) defines the rotation of a tool flange around the tool axis at time t, and IK (t) defines the inverse kinematics solutions for a given X(t) and q Tool (t) ; and determining, from the geometric data and X(t), how the joint path q Robot (t) should be chosen so as to comply with one or more optimisation criteria.
    • 提供了一种用于在对象的旋转不变处理(例如铣削,喷涂和焊接)中确定n-dof(n> 5)机器人的可行关节轨迹的计算机实现的方法。 该方法包括接收表示对象的几何数据的步骤; 接收表示处理工具的几何数据; 接收刀具路径X(t),其中t是时间; 搜索可行路径q机器人(t)使用IK(t)和q工具(t)作为在时间t的可能解的集合,其中q Robot(t)定义机器人中所有关节的位置作为时间的函数,q 刀具(t)在时间t定义刀具法兰围绕刀具轴线的旋转,而IK(t)定义给定X(t)和q刀具(t)的逆运动学解。 并且从几何数据和X(t)确定如何选择联合路径q Robot(t)以符合一个或多个优化标准。