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    • 5. 发明申请
    • MEASUREMENT OF POSITIONAL INFORMATION FOR A ROBOT ARM
    • 测量机器人ARM的位置信息
    • WO2010094949A1
    • 2010-08-26
    • PCT/GB2010/050249
    • 2010-02-16
    • ABSOLUTE ROBOTICS LIMITEDDEMOPOULOS, Andreas, Haralambos
    • DEMOPOULOS, Andreas, Haralambos
    • G01S5/16B25J19/02
    • G01S1/70B25J9/1692G01S5/163G05B2219/37571G05B2219/40611G05B2219/40613G05B2219/40623
    • Positional measurements for a robot arm are made using a light ray projector (10) mounted on the robot arm and arranged to emit light rays (50) along a multiplicity of distinct paths that are fixed relative to the projector (10), and a removable support frame (20) carrying a multiplicity of image sensors (22) at fixed positions relative to the support frame (20), the support frame surrounding the base of the robot arm. A signal processor (25) connected to the light sensors (22) determines the positions at which light rays (50) are incident on the image sensors (22), and hence determines positional information of a system of axes associated with the projector (10) relative to the frame (20). This enables relative positional measurements to be made substantially in real time, and in an accurate and cost- effective manner.
    • 机器人手臂的位置测量使用安装在机器人手臂上的光线投影仪(10)进行,并且布置成沿着相对于投影仪(10)固定的多个不同的路径发射光线(50),并且可拆卸 支撑框架(20),其在相对于所述支撑框架(20)的固定位置处承载多个图像传感器(22),所述支撑框架围绕所述机器人手臂的基部。 连接到光传感器(22)的信号处理器(25)确定光线(50)入射到图像传感器(22)上的位置,因此确定与投影仪(10)相关联的轴系的位置信息 )相对于框架(20)。 这使得能够基本上实时地以准确和成本有效的方式进行相对位置测量。
    • 8. 发明申请
    • ROBOTIC ARM AND CONTROL SYSTEM
    • 机械臂和控制系统
    • WO2009029127A2
    • 2009-03-05
    • PCT/US2008/004145
    • 2008-03-28
    • ELITE ENGINEERING CORPORATIONKAY, Robert, L.
    • KAY, Robert, L.
    • B25J9/1697G05B2219/37571G05B2219/39008G05B2219/40623
    • A robotic arm and control system includes a robotic arm which moves in response to one or more command signals. One or more "active" fiducials are located on the arm, each of which emits its own light. A 3D camera having an associated f ield-of-view is positioned such that at least one fiducial and a target object to be manipulated are in the FOV. To determine their spatial positions, the arm fiducials are activated and the target object is preferably illuminated with a scanning laser; the camera produces output signals which vary with the spatial locations of the fiducials and target object. A controller receives the output signals and uses the spatial position information as feedback to continuously guide the arm towards the target object. Multiple active fiducials may be employed, each having respective characteristics with which they can be differentiated.
    • 机器人臂和控制系统包括响应于一个或多个命令信号而移动的机器臂。 一个或多个“主动”基准位于臂上,每个基准发射自己的光。 具有相关视距的3D照相机被定位成使得要操纵的至少一个基准和目标物体在FOV中。 为了确定它们的空间位置,臂基准被激活,并且目标对象最好用扫描激光器照射; 相机产生随着基准和目标对象的空间位置而变化的输出信号。 控制器接收输出信号并且使用空间位置信息作为反馈来连续地将目标对象引导到臂上。 可以采用多个活性基准,每个具有各自的特征,它们可以被区分。