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    • 1. 发明授权
    • Work feeder controller
    • 工作进料器控制器
    • US5231860A
    • 1993-08-03
    • US842133
    • 1992-03-23
    • Katsuji TsurutaEiji Yoshikawa
    • Katsuji TsurutaEiji Yoshikawa
    • B21D43/05G05B19/416
    • G05B19/416B21D43/055G05B2219/43091G05B2219/50049G05B2219/50386
    • A controller for a feeder which automatically feeds a work into and out of a press machine in relation to the operation of said press machine. The controller is capable of automatically setting optimum motion curve in accordance with the configurations and sizes of the press die and the work and determining whether any undue operating condition has been set. To this end, the feeder controller has a device for setting the operation start angle value and operation finish angle value in terms of the rotation angle of a crank shaft of the press machine, and computing device for determining a motion curve on the basis of the operation start and finish angle values. The feeder controller also has a device for computing allowable maximum operation stroke number of the press machine and a device for comparing this stroke number with a set stroke number for the purpose of determination as to whether motors are overloaded or not.
    • PCT No.PCT / JP90 / 01213 Sec。 371日期:1992年3月23日 102(e)1992年3月23日PCT PCT 1990年9月21日PCT公布。 出版物WO91 / 04116 PCT 日期1991年4月4日。一种用于相对于所述压力机的操作自动将工件进出压机的进给器的控制器。 控制器能够根据压模和工件的配置和尺寸自动设置最佳运动曲线,并确定是否设置了任何不适当的操作条件。 为此,进料器控制器具有用于根据压机的曲轴的旋转角度设定操作开始角度值和操作精加工角度值的装置,以及用于基于压力机的曲轴确定运动曲线的计算装置 操作开始和结束角度值。 进给器控制器还具有用于计算冲压机的允许最大操作冲程数的装置和用于将该冲程数与设定冲程数进行比较的装置,以便确定电动机是否过载。
    • 2. 发明授权
    • Positioning control system
    • 定位控制系统
    • US4578748A
    • 1986-03-25
    • US427926
    • 1982-09-29
    • Riichi AbeKatsuji TsurutaSeiji Tsujikado
    • Riichi AbeKatsuji TsurutaSeiji Tsujikado
    • G05B19/23G05B11/18
    • G05B19/232G05B2219/33083G05B2219/42213G05B2219/42215G05B2219/43194G05B2219/50025
    • A positioning control system wherein variations in the robot coasting distance are substantially eliminated by stopping the command pulse signals simultaneously with a generation of the origin pulse signal from the incremental encoder. The deviation between the final robot position and the origin is minimized by driving the motor in its backward direction to back up the robot by an amount approximately equal to the coasting distance. The robot moving distance during the time period from the beginning of origin return operation (i.e., backup) to a generation of the first spike in the origin pulse signal after beginning backup to the above first stoppage of the robot is found. If the found distance is different from the coasting distance then this difference is handled as an error.In one aspect of the present invention, the number of spikes appearing in the output pulse signal from the incremental encoder can be easily increased as necessary to thereby improve the resolution power of the incremental encoder. Further, much more precise positioning control can be realized by synchronizing the output pulse signal of the incremental encoder with the clock signal of the microcomputer.
    • 一种定位控制系统,其中通过与来自增量式编码器的原始脉冲信号的产生同时停止指令脉冲信号,基本上消除了机器人惯性距离的变化。 最后的机器人位置和原点之间的偏差通过驱动马达向后的方向来使机器人的后退大约等于滑行距离的最小化。 发现在从原点开始返回操作(即,备份)到开始备份到机器人的上述第一停止之后的原点脉冲信号中的第一尖峰的生成的机器人移动距离。 如果找到的距离与惯性距离不同,则该差异被作为误差来处理。 在本发明的一个方面,可以根据需要容易地增加出现在来自增量编码器的输出脉冲信号中的尖峰数,从而提高增量编码器的分辨率。 此外,通过将增量编码器的输出脉冲信号与微计算机的时钟信号同步,可以实现更精确的定位控制。