Motion control system and method which includes improved pulse placement for smoother operation
    1.
    发明授权
    Motion control system and method which includes improved pulse placement for smoother operation 有权
    运动控制系统和方法,包括改进的脉冲放置,使操作更平稳

    公开(公告)号:US06823221B2

    公开(公告)日:2004-11-23

    申请号:US09997638

    申请日:2001-11-28

    IPC分类号: G05B1132

    CPC分类号: G05B19/40 G05B2219/42235

    摘要: A motion control system and method are disclosed which provide improved pulse placement for smoother operation of a motion device such as a stepper motor. A placement of pulses may be determined for each of a plurality of time intervals such that the pulses are placed evenly across the plurality of time intervals, wherein the quantity of pulses in each of the time intervals is variable. The pulses may be generated and sent to the motion device to move the object to the desired position. A delay may be used to place each pulse at an arbitrary location within one of the time intervals. Where the desired step rate is fractional, time may be “borrowed” for one loop iteration from other loop iterations. In one embodiment, the step rate may be changed from one loop period to the next.

    摘要翻译: 公开了一种运动控制系统和方法,该运动控制系统和方法提供改进的脉冲布置,以便运动装置(例如步进马达)的平滑运行。 可以为多个时间间隔中的每一个确定脉冲的布置,使得脉冲在多个时间间隔内均匀地放置,其中每个时间间隔中的脉冲量是可变的。 可以产生脉冲并将其发送到运动装置以将物体移动到期望的位置。 可以使用延迟来将每个脉冲放置在一个时间间隔内的任意位置。 在期望的步进率是分数的情况下,对于从其他循环迭代的循环迭代,时间可以被“借用”。 在一个实施例中,步进速率可以从一个循环周期改变到下一个循环周期。