Micro line segment dynamic prospect control method and micro line segment dynamic prospect control device

A control method and line segment technology, which are applied in digital control, program control, electrical program control, etc., can solve the problems of lack of fitting and low processing efficiency, and achieve the effect of reducing storage space, improving interpolation accuracy, and improving machining accuracy.

Active Publication Date: 2017-02-22
SHENZHEN LEADSHINE INTELLIGENT CONTROL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a dynamic forward-looking control method and device for small line segments, whic...

Method used

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  • Micro line segment dynamic prospect control method and micro line segment dynamic prospect control device
  • Micro line segment dynamic prospect control method and micro line segment dynamic prospect control device
  • Micro line segment dynamic prospect control method and micro line segment dynamic prospect control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] like figure 1 Shown is a timing logic of fitting processing, block forward processing and segment forward processing, that is, the fitting process is performed first, and then it is judged whether the block forward processing is completed. If it is not completed, the block forward processing is performed, and if it is completed, the segment Lookahead processing.

[0064] In the actual control, other different sequential logics can also be used, or one or two kinds of processing can be omitted, such as only fitting processing and block forward processing, etc. are performed. Various sequential logics based on the above three processes are within the protection scope of the present invention.

[0065] The logic of Embodiment 1 will be described below. After the motion control system receives the tiny line segment instruction, it includes the following processing steps:

[0066] 1. Fitting processing

[0067] The principle of fitting processing is to do corresponding f...

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PUM

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Abstract

The invention discloses a micro line segment dynamic prospect control method and a micro line segment dynamic prospect control device. On the condition that an included angle between two adjacent line track segments is very small, the two line track segments are fitted for obtaining one straight line segment, thereby reducing prospect calculation time and improving switching speed. According to the micro line segment dynamic prospect control method and the micro line segment dynamic prospect control device, through block prospect processing, a motion control system does not require static or dynamic assignment for a prospect segment number, thereby improving integral interpolation efficiency, reducing storage space of the motion control system and reducing cost. Furthermore an interpolation period effect is considered in prospect calculation in advance, thereby reducing switching speed jump and improving processing precision. Furthermore segment prospect processing is performed for realizing a fact that the motion control system can dynamically determine whether the currently received track segment is a final segment, thereby setting the terminal point speed of the final track segment to zero.

Description

technical field [0001] The invention relates to a speed processing technology of a motion control system, in particular to a dynamic forward-looking control method of a small line segment of a general motion controller, a numerical control system and a robot control system. Background technique [0002] The processing of workpieces with complex surfaces is generally done by breaking the surface curve into a large number of tiny line segments through software such as CAM, and then completing the processing of workpieces with complex surfaces by means of linear interpolation or circular interpolation through the motion control system. Since the complex profile is broken into a large number of tiny line segments, the speed control of the tiny line segments is of great significance in order to realize high-speed and high-precision machining of workpieces with complex profiles. It not only directly affects the processing quality and processing efficiency of the workpiece, but als...

Claims

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Application Information

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IPC IPC(8): G05B19/4103G05B19/416
CPCG05B19/4103G05B19/416G05B2219/34083
Inventor 谭华卿王立松
Owner SHENZHEN LEADSHINE INTELLIGENT CONTROL CO LTD
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