NC system fine interpolator and control method thereof based on SOPC
A technology of numerical control system and programming system, applied in the direction of program control, computer control, general control system, etc., can solve the problems of unreasonable allocation of software, hardware resources, bottlenecks in interface speed, etc., to improve confidentiality and integration, The effect of reducing the amount of data processing and improving the processing speed
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[0049] The fine interpolator of the present invention is applied to the numerical control system, and it provides the rough interpolation data and control information sent by the upper computer application process to the fine interpolation module, and the fine interpolation data obtained after the fine interpolation module is calculated Each servo control drive motor sent to the CNC system. In this embodiment, the four-dimensional motion of the X-axis, Y-axis, Z-axis and U-axis is included, and the fine interpolator of the present invention is used to control the above-mentioned four-dimensional motion.
[0050] Such as figure 1As shown, the fine interpolator of the present invention is based on the FPGA structure, including: a processor, a fine interpolation module, a tri-state bridge, a dual-port RAM, a timer module, a DMA module, and an internal exchange bus module, wherein the processor passes the internal exchange bus The module is connected with fine interpolation modul...
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