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Related Concept Videos

Leveling Equipment01:18

Leveling Equipment

309
As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
309

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Wheel Alignment of a Suspension Module Unit Using a Laser Module.

Seong Han Kim1, Kang In Lee2

  • 1School of Intelligent Mechatronics Engineering, Sejong University, 209 Neungdong-ro, Gunja-dong, Gwangjin-gu, Seoul 05006, Korea.

Sensors (Basel, Switzerland)
|March 20, 2020
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Summary
This summary is machine-generated.

This study introduces a new laser-based method for inspecting vehicle wheel alignment on suspension modules. This cost-efficient technique achieves high accuracy, aiding automakers in suspension development.

Keywords:
Laser moduleVision system for wheel alignment inspectionWheel alignment inspection

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Area of Science:

  • Automotive Engineering
  • Metrology
  • Optical Measurement

Background:

  • Traditional computer vision systems for wheel alignment are unsuitable for individual suspension modules.
  • Wheel alignment is critical during vehicle suspension module development, but complete vehicles are unavailable for testing.

Purpose of the Study:

  • To propose a novel and efficient method for inspecting vehicle wheel alignment specifically for suspension modules.
  • To enable accurate measurement of toe and camber angles on suspension modules during development.

Main Methods:

  • Utilized two laser modules and mechanical jigs for measuring toe and camber angles.
  • Implemented a laser straightness calibration method to achieve 0.02 degrees of orthogonality for laser modules.
  • Verified results using a modified two-camera vision system.

Main Results:

  • Achieved high measurement accuracy validated by the vision system.
  • Demonstrated the capability to measure toe and camber angles on suspension modules.
  • Confirmed the reliability and cost-efficiency of the proposed inspection method.

Conclusions:

  • The novel laser-based system provides a reliable and cost-effective solution for wheel alignment inspection of vehicle suspension modules.
  • This method supports automakers by enabling crucial alignment checks during the suspension module development phase.
  • The achieved orthogonality and measurement accuracy meet the demands for precise suspension property testing.