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    • 42. 发明申请
    • METHOD AND DEVICE FOR CONTROLLING THE MOTION OF ONE OR MORE COLLABORATIVE ROBOTS
    • 用于控制一个或多个协作机器人的运动的方法和设备
    • WO2017199196A1
    • 2017-11-23
    • PCT/IB2017/052932
    • 2017-05-18
    • POLITECNICO DI MILANO
    • ZANCHETTIN, Andrea MariaROCCO, Paolo
    • B25J9/16
    • B25J9/1682B25J9/162B25J9/1661B25J9/1664B25J9/1666G05B2219/39082G05B2219/39091G05B2219/39135G05B2219/40371G05B2219/40507
    • A method for controlling the motion of one or more collaborative robots is described, said collaborative robots being mounted on a fixed or movable base, equipped with one or more terminal members, and with a motion controller, characterized in that it comprises the following iterative steps: - determining the position coordinates of the robots, and the position coordinates of one or more human operators collaborating with said robot; - determining a set of productivity indices associated with relative directions of motion of the terminal member of the robot, said productivity indices being indicative of the speed at which the robot can move in each of said directions without having to slow down or stop because of the presence of said operator; - supplying said controller of the robot with the data of said set of productivity indices associated with said relative directions of motion of the terminal member of the robot, so that said controller can determine the directions of motion of the terminal member of the robot based on the higher values of said productivity index.
    • 描述了一种用于控制一个或多个协作机器人的运动的方法,所述协作机器人被安装在配备有一个或多个终端构件的固定或可移动基座上,并且具有运动控制器,其特征在于, 其包括以下迭代步骤: - 确定机器人的位置坐标以及与所述机器人协作的一个或多个操作人员的位置坐标; - 确定与机器人的终端构件的相对运动方向相关的一组生产力指数,所述生产率指数表示机器人可以在每个所述方向上移动的速度,而不必因为 所述操作员的存在; - 向所述机器人的所述控制器提供与所述机器人的所述终端构件的所述相对运动方向相关联的所述一组生产力指数的数据,以便所述控制器能够基于所述机器人的终端构件的运动方向来确定所述机器人的终端构件的运动方向 所述生产力指数的值更高。
    • 43. 发明申请
    • AN INDUSTRIAL ROBOT HAVING A KINEMATICALLY REDUNDANT ARM AND A METHOD FOR CONTROLLING THE ROBOT
    • 具有动力冗余ARM的工业机器人和控制机器人的方法
    • WO2012143044A1
    • 2012-10-26
    • PCT/EP2011/056273
    • 2011-04-19
    • ABB RESEARCH LTD.STRANDBERG, Morten
    • STRANDBERG, Morten
    • B25J9/16
    • B25J9/1643G05B2219/40328G05B2219/40331G05B2219/40337G05B2219/40354G05B2219/40359G05B2219/40369G05B2219/40371
    • The present invention relates to an industrial robot having a robot arm with a redundant number of joints and provided with a tool interface and a tool centre point defined in relation to the tool interface, and a method for controlling the robot during teach mode, the method comprises: - receiving information on user instructed movements from the user operated control device, - dividing the instructed movement is into a plurality of increments, - determining joint angles for the robot arm for each of the increments by carrying out an interpolation step for each increment, including calculating joint angles for the increment based on the instructed movement, - checking whether any of the joints of the robot arm is close to its joint limit based on the calculated joint angles and limit values for the joints, and if this is the case, - searching in the null space of the redundant robot arm for a new joint configuration that increases the distance to the joint limit with the tool centre point unchanged, - replacing the calculated joint angles with the joint angles of the new joint configuration, and - moving the robot based on the determined joint angles.
    • 本发明涉及一种工业机器人,其具有具有冗余数量的接头的机器人臂,并且具有相对于工具接口限定的工具接口和工具中心点,以及用于在示教模式期间控制机器人的方法,该方法 包括: - 从用户操作的控制装置接收关于用户指令的移动的信息, - 将指示的运动分成多个增量, - 通过对每个增量执行内插步骤,为每个增量确定机器人手臂的关节角度 包括基于所指示的运动来计算增量的关节角度, - 基于关节的计算关节角度和极限值,检查机器人手臂的任何关节是否接近其关节极限,如果是这种情况 , - 在冗余机器人臂的零空间中搜索新的关节构造,通过刀具中心p增加到接合极限的距离 oint不变, - 用新接头构造的关节角度替换计算的关节角度,以及 - 基于确定的关节角度来移动机器人。