工业直线运动机构的快速精确预测定位方法及定位系统

Rapid and precise prediction positioning method and positioning system of industrial straight-line motion mechanism

Abstract

工业直线运动机构的快速精确预测定位方法及定位系统,涉及工业直线运动机构的精确定位技术。本发明在定位过程中当预设脉冲数发送完成且设备还未停止时预测设备运动机构有没有可能最终停在目标位置,若有,就等待其停止再做进一步判断。若没有可能,则立即向位置脉冲减计数器发送若干个脉冲,让电机继续转动,如此往复,直到运动机构到达目标位置为止。本发明能够保证位移传感器的精度为5微米时定位精度在5微米以内,且由于在定位过程中加入了预测过程,根据预测结果决定电机的下一步运动方式,与传统的高精度定位方式相比,定位时间缩短了20%以上。本发明适用于工业直线运动机构的快速精确定位。
The invention discloses a rapid and precise prediction positioning method and a positioning system of an industrial straight-line motion mechanism, and relates to a precise positioning technology of the industrial straight-line motion mechanism. In the positioning process, when the sending of a preset pulse count is finished, and equipment does not stop, whether the equipment motion mechanism possibly and finally stops at a target position is predicted, if so, the equipment motion mechanism is waited to be stopped for further judgment, if not, a plurality of pulses are instantly sent to a position pulse down counter, a motor can continuously rotate, such reciprocating operation is performed until the motion mechanism reaches the target position. According to the rapid and precise prediction positioning method and the positioning system of the industrial straight-line motion mechanism, the effect that the positioning precision is within 5mu m when the precision of a displacement sensor is 5mu m is ensured, a prediction process is added into a positioning process, and the next motion mode of the motor is determined according to the prediction result; compared with the traditional high-precision positioning mode, the positioning time is shortened by above 20%; the rapid and precise prediction positioning method and the positioning system of the industrial straight-line motion mechanism are suitable for the rapid and accurate positioning of the industrial straight-line motion mechanism.

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