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    • 1. 发明授权
    • Method and apparatus for calibrating transformation matrix of force
sensor
    • 用于校准力传感器转换矩阵的方法和装置
    • US4620436A
    • 1986-11-04
    • US784502
    • 1985-10-04
    • Hisaaki HirabayashiKoichi SugimotoShinichi AraiTomoyuki MasuiHidetoshi Inaba
    • Hisaaki HirabayashiKoichi SugimotoShinichi AraiTomoyuki MasuiHidetoshi Inaba
    • B25J9/16B25J13/08G01L5/16G01L5/22G01L25/00
    • G01L25/00B25J13/085B25J9/1692G01L5/161G01L5/226
    • The present invention relates to a method and an apparatus for calibrating a transformation matrix of a force sensor, in which: a force sensor is attached between a wrist portion and a hand portion of a robot; a standard work (weight) whose weight and position of a center of gravity are known is attached or held to the hand portion; each driving source of the robot is made operative in response to commands from a control unit and thereby sequentially changing the posture of the force sensor attached to the robot; the control unit obtains a force consisting of a force and a moment due to an arithmetic operation from the posture and position information of the force sensor which is detected on the basis of signals from encoders to detect an operational amount of each operating element of the robot and from the weights and the positions of the centers of gravity of the standard work and the hand portion and the like inputted as data; the control unit receives a strain voltage detected from the force sensor; the control unit calculates the transformation matrix of the force sensor from the force consisting of the force and moment derived and from the strain voltage received in accordance with a predetermined arithmetic logic equation and then stores the transformation matrix into memory means; and then the transformation matrix of the force sensor is calibrated.
    • 本发明涉及一种用于校准力传感器的变换矩阵的方法和装置,其中:力传感器安装在机械手的腕部和手部之间; 其重量和重心位置已知的标准作业(重量)被附着或保持在手部; 机器人的每个驱动源响应于来自控制单元的命令而操作,从而顺序地改变附接到机器人的力传感器的姿势; 控制单元根据来自编码器的信号检测到的力传感器的姿态和位置信息,从由运算操作产生的力和力矩构成的力,以检测机器人的每个操作元件的操作量 并且从作为数据输入的标准作品的重心和作为数据的手部等的重量和位置; 控制单元接收从力传感器检测到的应变电压; 控制单元根据由力和力导出的力,根据预定的算术逻辑方程从接收的应变电压计算力传感器的变换矩阵,然后将变换矩阵存储到存储装置中; 然后校正力传感器的变换矩阵。
    • 5. 发明授权
    • Position correcting control system for servomechanism device
    • 伺服机构位置校正控制系统
    • US4788482A
    • 1988-11-29
    • US75987
    • 1987-07-21
    • Kyozo TachibanaToshihiko SakaiHisaaki HirabayashiKoichi SugimotoHiroshi SugaiHisakazu Ninomiya
    • Kyozo TachibanaToshihiko SakaiHisaaki HirabayashiKoichi SugimotoHiroshi SugaiHisakazu Ninomiya
    • G05D3/12B25J9/16G05B19/19G05B5/01
    • G05B19/19B25J9/1633G05B2219/37357
    • The present invention relates to a control system for a servomechanism device such as robot, and more particularly to a position correcting control system for a servomechanism device which is well suited to perform high-precision positioning or high-perfomance operations on the basis of a sensor feedback control system such as force detection feedback control. It is characterized in that a plurality of algorithms for correcting a position target value on the basis of a sensor signal are prepared and are switchedly used so as to readily switch functions, depending upon whether the purpose of a sensor control is a high-precision control or any other high-performance control, that the position target value is corrected through a threshold characteristic element or a dead band element so as to make effective the correction of the position target value based on the sensor signal, and that a correcting signal is applied through a response lag element so as to attain stabilization owing to a viscous effect bestowed on the position correcting operation based on the sensor signal.
    • 本发明涉及一种用于诸如机器人的伺服机构的控制系统,更具体地涉及一种适用于基于传感器执行高精度定位或高性能操作的伺服机构的位置校正控制系统 反馈控制系统如力检测反馈控制。 其特征在于,根据传感器控制的目的是否是高精度控制,准备用于基于传感器信号校正位置目标值的多种算法,并且切换使用以便容易地切换功能 或任何其他高性能控制,通过阈值特征元件或死区元素校正位置目标值,以便基于传感器信号有效地校正位置目标值,并且应用校正信号 通过响应滞后元件,由于基于传感器信号的位置校正操作产生的粘性效果而实现稳定化。
    • 6. 发明授权
    • Interfitting apparatus
    • 接头装置
    • US4197627A
    • 1980-04-15
    • US934718
    • 1978-08-21
    • Hisaaki HirabayashiKoichi Sugimoto
    • Hisaaki HirabayashiKoichi Sugimoto
    • B23P19/02B23P19/00B25B27/14
    • B23P19/12Y10T29/53978
    • Interfitting apparatus including a fitting jig formed with a plurality of regulating openings each for receiving therein one of a plurality of shaft members having chamfered forward ends, which are objects of interest, to hold the shaft members by regulating their posture and allow them to move freely within tight tolerances, and a table at least slightly movable in a horizontal direction for supporting, by precision positioning, an object formed with a plurality of holes separated from one another by a spacing substantially the same as the spacing between the regulating openings of the fitting jig. In fitting the shaft members in the respective holes in the object, the fitting jig is moved in a vertical direction toward the table, and guiding members and guided members mounted in the fitting jig and the table respectively are brought into engagement with each other so that the former may guide the latter, to thereby allow the table to move slightly in the horizontal direction to effect positioning of the shaft members and the object horizontally relative to each other within the range of the chamfers. Thereafter the fitting jig is further moved in the vertical direction to interfit the shaft members and the holes in the object with each other by exerting a fitting force on the shaft members from outside a jamming area.
    • 一种接合装置,包括形成有多个调节开口的配合夹具,每个调节开口用于在其中容纳具有倒角前端的多个轴构件中的一个,所述多个轴构件是有意义的物体,以通过调节它们的姿态并允许它们自由移动来保持轴构件 以及在水平方向上至少可稍微移动的桌子,通过精确定位来支撑形成有彼此分开的多个孔的物体,其间隔与配件的调节开口之间的间隔基本相同 夹具 在将轴构件安装在物体的相应孔中时,装配夹具沿着垂直方向朝向工作台移动,并且安装在装配夹具和工作台中的引导构件和引导构件彼此接合,使得 前者可以引导后者,从而允许工作台在水平方向上稍微移动,以在轴倒角的范围内相对于彼此水平地定位轴构件和物体。 此后,通过在干扰区域的外部对轴构件施加配合力,使装配夹具在垂直方向上进一步移动,以使轴构件和物体中的孔相互配合。