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Ranging positioning method, ranging positioning device and ranging positioning equipment

A positioning method and distance technology, which are applied in the fields of ranging positioning method, ranging positioning equipment and ranging positioning device, can solve the problems of limited installation height of CCD cameras, complicated implementation, high cost of visual positioning technology, and achieve fast and convenient size. The effect of measuring and centering

Pending Publication Date: 2021-12-17
深圳市汇泽激光科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, due to the high cost of visual positioning technology, it needs to be used in conjunction with cameras, lenses, and light sources. Workpiece, the field of view required at this time is too large, but the installation height of the CCD camera is limited

Method used

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  • Ranging positioning method, ranging positioning device and ranging positioning equipment
  • Ranging positioning method, ranging positioning device and ranging positioning equipment
  • Ranging positioning method, ranging positioning device and ranging positioning equipment

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Embodiment Construction

[0061] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0062] Those skilled in the art will understand that the singular forms "a", "an", "said" and "the" used herein may also include plural forms unless otherwise stated. It should be further understood that the word "comprising" used in the description of the present invention refers to the existence of the stated features, integers, steps, and operations, but does not exclude the existence or addition of one or more other features, integers, steps, and operations.

[0063] Those skilled in the art can understand that, unless otherwise defi...

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Abstract

The invention provides a ranging positioning method. The ranging positioning method comprises the following steps: detecting a first distance between a first sensor and a workpiece through the first sensor; detecting a second distance from the second sensor to the workpiece through the second sensor; detecting a third distance to the workpiece through a third sensor; obtaining a first arc coordinate (X1', Y1') according to the first distance D1 and a first coordinate (X1, Y1) corresponding to the position of the first sensor; obtaining a second arc coordinate (X'2, Y2') according to the second distance D2 and a second coordinate (X2, Y2) corresponding to the position of the second sensor; obtaining a third arc coordinate (X3', Y3') according to the third distance D3 and a third coordinate (X3, Y3) corresponding to the position of the third sensor; respectively substituting the first arc coordinate (X1', Y1'), the second arc coordinate (X'2, Y2') and the third arc coordinate (X3', Y3') into a general formula X^2+Y^2+DX+EY+F = 0 of a circle to obtain D, E and F; according to D, E and F, obtaining the circle radius r= 1 / 2*(square root of (D^2+E^2-4F)), the coordinate of the circle center being O (-D / 2,-E / 2).

Description

technical field [0001] The invention relates to the technical field of processing and positioning, in particular to a distance measuring and positioning method, a distance measuring and positioning device, and a distance measuring and positioning equipment. Background technique [0002] In the field of processing, the center and size of circular workpieces are mostly positioned by setting industrial cameras for visual positioning. First, the CCD camera captures the picture, and then calculates the center and radius of the workpiece through visual processing and visual algorithms to complete the positioning. . [0003] However, due to the high cost of visual positioning technology, it needs to be used in conjunction with cameras, lenses, and light sources. Workpiece, the field of view required at this time is too large, but the installation height of the CCD camera is limited. Therefore, there is a need for a distance measuring and positioning method, a distance measuring a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/16G01B21/00G01B21/04
CPCG01B21/16G01B21/00G01B21/04
Inventor 庞博张兴斌付敏史丹丹余海龙谢曦宇
Owner 深圳市汇泽激光科技有限公司
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