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Method for referencing a plurality of sensor units and associated measuring device

A sensor unit and reference point technology, applied in measuring devices, optical devices, instruments, etc., can solve problems such as errors and insufficient reference, and achieve the effect of simple calculation

Inactive Publication Date: 2019-12-27
WOBBEN PROPERTIES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Such methods for determining the reference of multiple sensor units have the disadvantage that the transformation between the coordinate systems of multiple sensor units is based on the reconstruction of reference points, which is naturally erroneous
Therefore, precisely in high-precision applications, such references based on reconstruction are not precise enough

Method used

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  • Method for referencing a plurality of sensor units and associated measuring device
  • Method for referencing a plurality of sensor units and associated measuring device
  • Method for referencing a plurality of sensor units and associated measuring device

Examples

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Embodiment Construction

[0051] figure 1 An exemplary embodiment of a measuring device 1 according to the invention is shown schematically. The measuring device 1 comprises a carrier unit 3 , which is designed in the form of a frame, and a displacement unit 5 , by means of which the frame 3 can be moved. In this case, the frame extends over a width x and a height y and is displaceable by means of the displacement unit 5 in a longitudinal direction z, which is perpendicular to both the width x and the height y. Width x and height y define the measuring plane of measuring device 1 in this exemplary embodiment. The choice of axis is exemplary and may be different in other embodiments. Although in this example the width x, height y and length z are respectively perpendicular to each other, they may be different in other embodiments.

[0052] The movement unit 5 is in this case an electric motor, which moves the measuring device 1 along the longitudinal direction z on the floor of the placement frame 3 ...

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Abstract

The invention relates to a method for referencing a plurality of sensor units (30), which can be arranged around the measurement object (2) for measuring a three-dimensional surface of a measurement object (2), and to an associated measuring device for measuring a surface of a measurement object. The solutions according to the invention enable a more precise measurement of the surface of the measurement object.

Description

technical field [0001] The invention relates to a method for referencing a plurality of sensor units which can be arranged around a measured object in order to measure a three-dimensional surface of the measured object, a method for measuring a measured object and a related measuring device. Background technique [0002] Accurate measurement of three-dimensional objects is relevant in many fields of application (eg production, quality inspection, etc.). In order to reduce the time taken to measure larger objects, a measuring assembly comprising several measuring cells is used. The measuring unit must be able to be arranged around the measured object and can thus simultaneously measure several parts of the object from different angles. For example, the measurement unit may be a surface measurement unit based on optical principles. [0003] One challenge with this type of measurement assembly is referencing the intrinsic coordinate systems of the individual measurement unit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/25
CPCG01B11/2513G06T2207/30244G06T7/521G06T7/73H04N17/002G01N21/8806G01N27/725H04N13/239
Inventor 瓦尔德马·戈尔斯辰纽
Owner WOBBEN PROPERTIES GMBH
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