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Self-calibrating position determination system

一种测定系统、数据处理系统的技术，应用在位置测定领域，能够解决花费时间、费时、拆除和重新安装麻烦等问题

Inactive Publication Date: 2004-07-28
SNAP ON INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Removal and reinstallation of the calibrator is cumbersome and time consuming
Also, after the calibrator is reinstalled, it takes time to aim the camera at the positioning target

Method used

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Embodiment Construction

[0035] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. It will be apparent to those skilled in the art that the present disclosure may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the present disclosure.

[0036] System Overview

[0037] A computer aided wheel alignment system ("aligner") is described, with which a typical position determination system can be implemented. The aligner includes a positioning camera for acquiring images and generating position data of a positioning target attached to a test vehicle, a data processing system for processing the position data and determining the position of the positioning target, and a repositioning mechanism , which is configured to reposition the field of view of the positioning ca...

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Abstract

A position determination system comprises a first measuring apparatus and a second measuring apparatus. The first measuring apparatus includes a first sensing device having a sensing field for obtaining positional data of a first testing target, a calibration target rigidly linked to the first sensing device, wherein the positional relationship between the first sensing device and the calibration target is known. The system has a repositioning mechanism for repositioning the sensing field of the first sensing device. The second measuring apparatus includes a second sensing device having a sensing field for obtaining positional data of a second testing target, a calibration sensing device rigidly linked to the second sensing device for obtaining positional data of the calibration target, wherein the positional relationship between the second sensing device and the calibration sensing device is known, and a repositioning mechanism for repositioning the sensing field of the second sensing device. Depending on different needs, the repositioning mechanism readjust the viewing fields of the sensing devices such that the testing targets are properly within the sensing fields of the sensing devices.

Description

[0001] related application [0002] This application claims priority to US Provisional Patent Application No. 60 / 298,653, entitled "Apparatus, System, Method, and User Interface for Adjusting Deflection of a Self-Calibrating Three-Dimensional Calibrator," filed June 15, 2001. technical field [0003] The present disclosure generally relates to a position determination method and system, and more particularly, to a method and system for adjusting a self-calibrating position determination system to suit different needs. Background technique [0004] Position determination systems, such as a machine vision measurement system, are used in many applications. For example, a computer-aided, three-dimensional machine vision alignment device and associated alignment method can be used to align the wheels of a motor vehicle. Examples of three-dimensional adjustments are in U.S. Patent No. 5,724,743, entitled "Method and apparatus for determining the alignment of motor vehicle wheels,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/275G01C11/06H04N13/239
CPCG01C11/06H04N13/0242H04N2013/0081G01B11/002H04N13/0239H04N13/0246G01B11/2755H04N13/243H04N13/246H04N13/239
Inventor 大卫·A·杰克逊布里安·M·布里文帕特瑞克·B·奥马霍尼
Owner SNAP ON INC
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