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    • 91. 发明授权
    • Method and apparatus for controlling a robot
    • 用于控制机器人的方法和装置
    • US4604716A
    • 1986-08-05
    • US559090
    • 1983-12-07
    • Kanji KatoJunichi HigashinoAkisuke Naruse
    • Kanji KatoJunichi HigashinoAkisuke Naruse
    • B25J9/16B25J9/18G05B19/41G05B11/32G05B19/10
    • G05B19/41G05B2219/45083
    • A method for controlling a multi-joint robot having redundant operating joints, wherein joint velocities are calculated for non-redundant joints with redundant joints being fixed for each of at least a portion of the combinations of the non-redundant joints excluding redundant joints capable of attaining the movement of the robot end at a command velocity specified to the robot, by inverse-coordinate-transformation from the spatial coordinate to a joint coordinate inherent to the robot, on the basis of joint angles detected by an encoder mounted on the joints of the robot and the joint velocities are averaged or nearly averaged to obtain the average value or nearly average value as a desired joint velocity for the joints. The desired joint velocity is supplied to a velocity control unit of the robot as a controlled variable.
    • 一种用于控制具有冗余操作关节的多关节机器人的方法,其中为非冗余关节计算非冗余关节的关节速度,对于非冗余关节的组合的至少一部分中的每一个,冗余关节是固定的, 基于由安装在机器人的关节上的编码器检测到的关节角度,以机器人指定的指令速度,通过从空间坐标到机器人固有的关节坐标的逆坐标变换来获得机器人端部的移动, 机器人和关节速度被平均或接近平均,以获得作为关节的期望关节速度的平均值或几乎平均值。 将所需的接合速度作为受控变量提供给机器人的速度控制单元。
    • 93. 发明授权
    • Tool radius compensation system
    • 刀具半径补偿系统
    • US4572998A
    • 1986-02-25
    • US484254
    • 1983-04-12
    • Ryoichiro NozawaHideaki KawamuraMitsuto Miyata
    • Ryoichiro NozawaHideaki KawamuraMitsuto Miyata
    • G05B19/18G05B19/404G05B19/41
    • G05B19/41G05B2219/35262G05B2219/50289G05B2219/50334G05B2219/50336
    • A system in which the radius of a tool is compensated for in the three-dimensional machining of a workpiece, wherein a tool is offset from a commanded tool path by a distance commensurate with the tool radius. Machining is performed by commanding the contour of the workpiece as a tool path in a prescribed plane sectioning the workpiece, providing the value of the tool radius and the angle of inclination of a machined surface of the workpiece, computing a first tool offset quantity in the prescribed plane and a second tool offset quantity in a direction at right angles to the prescribed plane, based on the radius of the tool and the angle of inclination, compensating for the radius of the tool in the prescribed plane based on the first tool offset quantity, correcting the position of the tool in a direction at right angles to the prescribed plane based on the second tool offset quantity, and machining the workpiece in three dimensions based on the compensated tool radius in the prescribed plane and the corrected tool position in the direction at right angles to the prescribed plane.
    • 一种在工件的三维加工中补偿工具的半径的系统,其中工具从指令的刀具路径偏移与刀具半径相当的距离。 通过将工件的轮廓作为工件路径指定在切割工件的规定平面中,提供工件半径的值和工件的加工表面的倾斜角度来进行加工,计算工件的加工表面的第一刀具偏移量 基于刀具的半径和倾斜角度在与规定平面成直角的方向上的规定平面和第二刀具偏移量,基于第一刀具偏移量补偿工具在规定平面中的半径 基于所述第二刀具偏移量,在与所述规定平面成直角的方向上修正所述刀具的位置,并且基于所述规定平面中的补偿刀具半径和所述矫正刀具位置在所述方向上对所述工件进行三维加工 与规定的平面成直角。
    • 94. 发明授权
    • Numerically controlled cutting method
    • 数控切割方法
    • US4559601A
    • 1985-12-17
    • US451145
    • 1982-12-01
    • Hajimu KishiMasaki SekiKunio Tanaka
    • Hajimu KishiMasaki SekiKunio Tanaka
    • B23Q15/00B23C3/00G05B19/18G05B19/404G05B19/4093G05B19/41G05B19/403
    • G05B19/41B23H7/06G05B2219/35151G05B2219/49243G05B2219/50334G05B2219/50336
    • There is disclosed a numerically controlled cutting method of cutting a curved surface SF generated by interconnecting corresponding points mi, ni (i=1, 2, . . . ) on two curved lines CV1, CV2 with a cutter BT of a milling machine having simultaneously controlled five axes or a wire electrode of a wire-cut electric discharge cutting machine. According to the numerically controlled cutting method, curve information specifying the two curved lines CV1, CV2, information on tool radius or wire radius, information on the direction of tool or wire compensation, and division information for dividing the curved lines are supplied as inputs. Using the above items of information an offset position at dividing points mi, ni, which are next to dividing points mi-1, ni-1 at which the cutter BT or wire is currently positioned, is determined. The cutter BT or wire is then moved to the offset position to cut the curved surface SF.
    • PCT No.PCT / JP82 / 00104 Sec。 371日期1982年12月1日 102(e)1982年12月1日日期PCT提交1982年4月5日PCT公布。 出版物WO82 / 03474 日本公报1982年10月14日。公开了一种数字切割方法,其切割通过用切割器将两个曲线CV1,CV2上的相应点mi,ni(i = 1,2,...)相互连接而产生的曲面SF 具有同时控制五轴的铣床的BT或线切割放电切割机的线电极。 根据数控切割方法,提供指定两条曲线CV1,CV2,关于刀具半径或线半径的信息的曲线信息,关于刀具或线补偿的方向的信息以及用于分割曲线的分割信息作为输入。 使用上述信息项,确定在切割器BT或线当前所在的分割点mi-1,ni-1旁边的分割点mi,ni处的偏移位置。 然后将切割器BT或线移动到偏移位置以切割曲面SF。
    • 97. 发明授权
    • Numerical control system
    • 数控系统
    • US4503373A
    • 1985-03-05
    • US394915
    • 1982-06-18
    • Ryoichiro NozawaTsuyoshi NagamineHideaki KawamuraToshiaki Ohtsuki
    • Ryoichiro NozawaTsuyoshi NagamineHideaki KawamuraToshiaki Ohtsuki
    • G05B19/18G05B19/404G05B19/41G05B19/25
    • G05B19/41G05B2219/35459G05B2219/49243G05B2219/50297G05B2219/50336G05B2219/50356
    • Ordinarily, an interpolator (102) executes pulse calculations on the basis of a movement command from a command tape (101), to generate the respective distributed pulses XP, YP, ZP, BP and CP of cartesian coordinate axes and spherical coordinate axes, and these pulses drive corresponding servomotors (113)-(117) through servo circuits (108)-(112). In order to keep the relative position between the nose of a tool and a workpiece unchanged in a manual operation, a tool holder is positioned in the cartesian coordinate system, whereupon manual pulses in the B-axial or C-axial direction are generated by a manual pulse generator (103). Then, the distributed pulses BP and CP are generated through the interpolator (102) and rotate the servomotors (116) and (117). The distributed pulses are simultaneously impressed on a compensation circuit (104), which calculates the compensation pulses XHP, YHP and ZHP so as to drive the servomotors with pulses obtained by adding the compensation pulses to the distributed pulses.
    • PCT No.PCT / JP81 / 00314 Sec。 371日期1982年6月18日 102(e)日期1982年6月18日PCT提交1981年10月29日PCT公布。 出版物WO82 / 01600 日期为1982年5月13日。通常,内插器(102)根据来自命令带(101)的移动指令执行脉冲计算,以生成笛卡尔坐标轴的各自的分布脉冲XP,YP,ZP,BP和CP 和球面坐标轴,这些脉冲通过伺服电路(108) - (112)驱动相应的伺服电动机(113) - (117)。 为了在手动操作中保持工具的鼻子与工件的相对位置不变,工具架位于笛卡尔坐标系中,于是B轴或C轴方向上的手动脉冲由 手动脉冲发生器(103)。 然后,通过内插器(102)产生分布脉冲BP和CP,并使伺服电动机(116)和(117)旋转。 分布式脉冲同时施加在补偿电路(104)上,补偿电路(104)计算补偿脉冲XHP,YHP和ZHP,以便通过将补偿脉冲加到分布式脉冲而获得的脉冲来驱动伺服电动机。
    • 100. 发明授权
    • Digital graphic display apparatus, system and method
    • 数字图形显示装置,系统和方法
    • US3735389A
    • 1973-05-22
    • US3735389D
    • 1970-02-24
    • ZETA RESEARCH
    • TARCZY HORNOCH Z
    • G05B19/41G06F7/68G06K15/22G09G1/10G06F3/14
    • G06F7/68G05B19/41G06K15/22G09G1/10
    • Apparatus, system and method is provided for operating graphic display devices at high speed while receiving digitally coded data at a low input rate. The display is synthesized from line segments of predetermined lengths and finely quantized directions, generated by a pattern generator. Straight lines in any direction and a variety of curves can be displayed at or near the maximum speed of the display device, such as a plotter. The dominant input information consists of incremental update instructions for the length and direction parameters memorized by respective memory means, and the updated parameters are utilized by the pattern generator for generating subsequent line segments.
    • 提供装置,系统和方法,以高速度操作图形显示装置,同时以低输入速率接收数字编码数据。 由图案发生器产生的预定长度和精细量化方向的线段合成显示。 任何方向上的直线和各种曲线可以在显示装置(例如绘图仪)的最大速度处或附近显示。 显性输入信息包括由相应存储器装置存储的长度和方向参数的增量更新指令,并且更新的参数由图案发生器用于产生后续线段。