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Method for detection of vehicle movement during wheel alignment measurement

a technology for vehicle wheels and alignment measurements, applied in the field of vehicle wheel alignment systems, can solve the problem that the vehicle wheel in an unsupported or jacked configuration cannot complete the alignment angle measurement procedures, and achieve the effect of improving the accuracy of vehicle wheel alignment measurements

Active Publication Date: 2006-06-01
HUNTER ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The system effectively prevents measurement errors by alerting operators to wheel roll and elevation changes, ensuring accurate alignment data and enabling safe, complete procedures by automatically adjusting for detected movements.

Problems solved by technology

Furthermore, some vehicle wheel alignment angle measurement procedures cannot be completed with a vehicle wheel in an unsupported or jacked configuration.

Method used

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  • Method for detection of vehicle movement during wheel alignment measurement
  • Method for detection of vehicle movement during wheel alignment measurement
  • Method for detection of vehicle movement during wheel alignment measurement

Examples

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Embodiment Construction

[0028] The methods of the present invention are set forth and described herein in the context of machine-vision vehicle wheel alignment systems and vehicle wheel alignment procedures. Those of ordinary skill in the art will recognize that the methods of the present invention are applicable for use with conventional vehicle wheel alignment systems employing sensor units mounted directly to the wheels of a vehicle, such as gyroscopic sensors having sufficient measurement capacity to acquire the required spatial measurements, and may be adapted for use on vehicles having more than four wheels or more than two axles without departing from the scope of the present invention. Hence, the following detailed description illustrates the invention by way of example and not by way of limitation. The description clearly enables one skilled in the art to make and use the invention, describes several embodiments, adaptations, variations, alternatives, and uses of the invention, including what is p...

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PUM

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Abstract

A method for use with a vehicle wheel alignment system to detect vehicle roll or elevation change during a vehicle wheel alignment procedure requires the steps of observing individual vehicle wheels, and detecting a substantially simultaneous changes in position or rotational movement associated with each observed wheel. Responsive to detected changes, vehicle rolling movement or a vehicle elevation change is identified, enabling the vehicle wheel alignment system and / or operator to respond accordingly.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] Not Applicable. STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] Not Applicable. BACKGROUND OF THE INVENTION [0003] The present invention relates generally to vehicle wheel alignment systems utilizing optical sensors to acquire measurements of vehicle wheel alignment angles, and in particular, to a vehicle wheel alignment system configured to identify rolling movement of the at least one vehicle wheel during a vehicle wheel alignment procedure, or elevation changes of two or more vehicle wheels, which may adversely affect vehicle wheel alignment angle measurements. [0004] Known vehicle wheel alignment systems utilizing optical sensors, i.e. machine vision, have been in use by the vehicle service industry for several years. A typical machine vision vehicle wheel alignment system, such as the Series 811 wheel alignment system, configured with the DSP600 sensors manufactured by Hunter Engineering Co. of Bridgeton, Missouri consists ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01B5/20
CPCG01B11/275G01B2210/26
Inventor HILLMAN, SCOTTVOELLER, DAVID A.
Owner HUNTER ENG