MOBILE ROBOT HAVING FRICTION COEFFICIENT ESTIMATION FUNCTION AND FRICTION COEFFICIENT ESTIMATION METHOD
    25.
    发明申请
    MOBILE ROBOT HAVING FRICTION COEFFICIENT ESTIMATION FUNCTION AND FRICTION COEFFICIENT ESTIMATION METHOD 有权
    具有摩擦系数估计函数和摩擦系数估计方法的移动机器人

    公开(公告)号:US20150019103A1

    公开(公告)日:2015-01-15

    申请号:US14187924

    申请日:2014-02-24

    Abstract: A mobile robot configured to move on a ground. The mobile robot including a contact angle estimation unit estimating contact angles between wheels of the mobile robot and the ground and uncertainties associated with the contact angles, a traction force estimation unit estimating traction forces applied to the wheels and traction force uncertainties, a normal force estimation unit estimating normal forces applied to the wheels and normal force uncertainties, a friction coefficient estimation unit estimating friction coefficients between the wheels and the ground, a friction coefficient uncertainty estimation unit estimating friction coefficient uncertainties, and a controller determining the maximum friction coefficient from among the friction coefficients such that the maximum friction coefficient has an uncertainty less than a threshold and at a point of time when the torque applied to each of the wheels changes from an increasing state to a decreasing state, among the estimated friction coefficients.

    Abstract translation: 配置为在地面上移动的移动机器人。 移动机器人包括估计移动机器人的车轮与地面之间的接触角的接触角估计单元以及与接触角相关的不确定性,牵引力估计单元估计施加到车轮的牵引力和牵引力不确定性,法向力估计 估计施加到车轮的法向力和法向力不确定度的摩擦系数估计单元,估计车轮与地面之间的摩擦系数的摩擦系数估计单元,估计摩擦系数不确定性的摩擦系数不确定度估计单元,以及从摩擦系数估计单元 摩擦系数使得最大摩擦系数具有小于阈值的不确定度,并且在施加到每个车轮的转矩从估计摩擦系数中的增加状态改变到减小状态的时间点。

    CONTROL METHODS OF SINGLE-PORT SURGICAL ROBOT
    26.
    发明申请
    CONTROL METHODS OF SINGLE-PORT SURGICAL ROBOT 有权
    单端口手术机器人的控制方法

    公开(公告)号:US20140257329A1

    公开(公告)日:2014-09-11

    申请号:US14014457

    申请日:2013-08-30

    CPC classification number: A61B34/30 A61B34/37

    Abstract: A control method of a single-port surgical robot, the single-port surgical robot comprising a slave device including a surgical instrument provided with an elbow and an end effector, and a master device to control motion of the slave device may comprise setting a virtual incision port to an arbitrary position; setting an operating position of the end effector; calculating a target position of the elbow using the set position of the virtual incision port and the set operating position of the end effector; calculating a movement angle of each joint used to move the elbow using the calculated target position of the elbow; and/or calculating a movement angle of each joint used to move the end effector using the calculated target position of the elbow and the set operating position of the end effector.

    Abstract translation: 单端口手术机器人的控制方法,包括具有肘部和末端执行器的手术器械的从属装置的单端口手术机器人以及用于控制从属装置的运动的主装置可以包括设置虚拟 切口到任意位置; 设置末端执行器的操作位置; 使用虚拟切口的设定位置和末端执行器的设定操作位置来计算肘部的目标位置; 使用所述肘部的计算目标位置计算用于移动所述肘部的每个关节的移动角; 和/或使用计算出的肘部的目标位置和末端执行器的设定操作位置来计算用于移动末端执行器的每个关节的移动角度。

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