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    • 2. 发明专利
    • Device and method for elastic deformation compensation control of articulated robot
    • 机器人的弹性变形补偿控制装置及方法
    • JP2013248681A
    • 2013-12-12
    • JP2012123239
    • 2012-05-30
    • Kobe Steel Ltd株式会社神戸製鋼所
    • NISHIDA YOSHIHARUWADA TAKASHIINOUE YOSHIHIDEINADA SHUICHI
    • B25J13/00G05B19/4093
    • B25J9/1692B23K9/0216B25J9/06B25J9/1641G05B2219/39186G05B2219/39201G05B2219/41166G05B2219/45104G05B2219/49384Y10S901/02
    • PROBLEM TO BE SOLVED: To perform weaving operation at high trajectory accuracy by compensating effect of elastic deformation of each shaft, in an articulated robot in which a motor and an arm are coupled via a speed reducer performing elastic deformation.SOLUTION: An elastic deformation compensation control device 10 comprises: a joint angle command value calculation unit 100; an axial force torque calculation unit 200; a first dynamic characteristic operation unit 300; a second dynamic characteristic operation unit 400; a feedback control unit 500; and a motor angle command value calculation unit 600. The first dynamic characteristic operation unit 300 performs filtering processing of a motor angle command value θmc output from the motor angle command value calculation unit 600, and outputs a motor angle target value θmd after the processing. The second dynamic characteristic operation unit 400 has high-frequency cut-off properties having a lower cut-off frequency than the first dynamic characteristic operation unit 300, performs the filtering processing of an output from the axial force torque calculation unit 200, and outputs an axial force torque compensation value fd after the processing.
    • 要解决的问题:通过补偿每个轴的弹性变形的影响,在通过执行弹性变形的减速器联接电动机和臂的铰接式机器人中以高轨迹精度进行织造操作。解决方案:弹性变形补偿 控制装置10包括:关节角度指令值计算部100; 轴向力矩计算单元200; 第一动态特性运算单元300; 第二动态特性操作单元400; 反馈控制单元500; 电动机角度指令值计算部600.第一动力特性动作部300对从电动机角度指令值运算部600输出的电动机角度指令值& mc进行滤波处理,并输出电动机角度指标值& 加工后。 第二动态特性操作单元400具有比第一动态特性操作单元300具有较低截止频率的高频截止特性,执行来自轴向力矩计算单元200的输出的滤波处理,并输出 加工后轴向力转矩补偿值fd。
    • 6. 发明专利
    • Arc weaving control system
    • 电弧加热控制系统
    • JPS6115208A
    • 1986-01-23
    • JP13608384
    • 1984-06-30
    • Fanuc Ltd
    • KISHI HAJIMESAKAKIBARA SHINSUKEISHIKAWA HARUYUKI
    • B23K9/12B25J9/10B25J9/22B25J13/00G05B19/4093G05B19/42G05B19/423
    • G05B19/423G05B2219/49384
    • PURPOSE:To obtain easily the arc weaving control data and to attain the accurate arc weaving control by using the arc weaving data used in the first cycle also in the next cycle after rotating the weaving data at a fixed angle. CONSTITUTION:A point PDELTAphi on an arc is displaced by DELTAphi from a line connecting a start point P1 and a center point O on the arc. A weaving action is carried out between both points P1 and Pphi via points Q1 and Q2. These points P1, Q1, Q2 and Pphi are set on an action route of a cycle. Then the point Pphi is used as a start point of the next cycle together with a point on the arc having a displacement of DELTAphi defined as an end point respectively. In the same way, a weaving action is performed between these start and end points. In other words, the start point P1 is rotated by an angle DELTAphi centering on the normal vector C on the point O to obtain the weaving data of the second cycle. Thus the arc weaving data can be obtained by repeating such cycles. In this control system the teaching data of the following cycles can be used repetitively after teaching the first cycle data.
    • 目的:为了容易地获得电弧织造控制数据,并且通过在以一定的角度旋转编织数据之后,在下一个循环中也使用第一循环中使用的电弧编织数据来获得精确的电弧编织控制。 构成:电弧上的点PDELTAphi由DELTAphi从连接起点P1和弧线上的中心点O的线移位。 通过点Q1和Q2在两点P1和Pphi之间进行编织动作。 这些点P1,Q1,Q2和Pphi设置在一个循环的动作路线上。 然后,点Pphi被用作下一个循环的起始点,并将弧点上的点分别定义为终点。 以同样的方式,在这些起点和终点之间进行编织动作。 换句话说,起点P1以点O上的法向量C为中心旋转角度DELTA,以获得第二周期的编织数据。 因此,可以通过重复这样的循环来获得电弧编织数据。 在该控制系统中,在教导第一循环数据之后,可以重复使用以下循环的教学数据。