Numerical control interpolation system with PCIe control function

An interpolation and motion control technology, applied in general control systems, control/regulation systems, digital control and other directions, which can solve the problems of non-cutting hardware, limited number of pins, and high cost

Inactive Publication Date: 2018-03-09
卢俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Therefore, there is a need for an interpolation system with fast communication speed and high control precision, and how to solve the problems

Method used

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  • Numerical control interpolation system with PCIe control function
  • Numerical control interpolation system with PCIe control function
  • Numerical control interpolation system with PCIe control function

Examples

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Embodiment Construction

[0028] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted.

[0029] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the invention. However, those skilled in the art will appreciate...

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Abstract

The invention discloses a PCIe-controlled numerical control interpolation system, which includes an independently set upper computer, a PCIe bus motion control card, and an FPGA expansion board; the PCIe motion control card includes a dual-core microprocessor and a GPMC interface; the FPGA expansion board includes multi-axis pulse control and feedback signal interface, peripheral interface circuit, the number of control axes can be arbitrarily cut within 32 axes, and the scalability is strong; the dual-core motion control microprocessor is integrated with high-performance ARM core With the DSP core, the ARM core is mainly used for high-speed communication with the host computer and instruction analysis, and the DSP core is mainly responsible for regional interpolation operations; the GPMC interface of the dual-core chip is configured as an asynchronous mode and NOR FLASH, non-address data line multiplexing The mode communicates with the FPGA expansion board to transmit the interpolation data to the FPGA, and then controls the multi-axis synchronous interpolation through the peripheral circuit to realize multi-axis linkage and complete the interpolation of complex curves and surfaces.

Description

technical field [0001] The present invention relates to the technical field of numerical control technology and automatic control, and in particular to a numerical control interpolation system controlled by PCIe. Period, greatly improving interpolation efficiency and interpolation accuracy. Background technique [0002] The CNC interpolation system is a control system that uses digital signals to automatically control the displacement, speed, acceleration, and action sequence of the actuator. It runs standard G commands and can realize rapid positioning, reverse circular interpolation, and circular interpolation. , Intermediate point circular interpolation, radius programming, jump processing, etc. Widely used in robotics, intelligent processing technology and CAD / CAM technology, including various types of CNC testing equipment, CNC processing equipment, series-parallel robots and other automation equipment. [0003] The realization of the numerical control interpolation s...

Claims

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Application Information

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IPC IPC(8): G05B19/414
CPCG05B19/4142G05B2219/34013G05B2219/34083
Inventor 卢俊
Owner 卢俊
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