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Proceedings Paper

Intelligent tires for improved tire safety based on strain measurements
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Paper Abstract

Intelligent tires, equipped with sensors for monitoring applied strain, are effective in improving reliability and control systems such as anti-lock braking systems (ABSs). However, since a conventional foil strain gage has high stiffness, it causes the analyzed region to behave unnaturally. The present study proposes a novel rubber-based strain sensor fabricated using photolithography. The rubber base has the same mechanical properties as the tire surface; thereby the sensor does not interfere with the tire deformation and can accurately monitor the behavior of the tire. We also investigate the application of strain data for an optimized braking control and road condition warning system. Finally, we suggested the possibility of optimized braking control and road condition warning systems. Optimized braking control can be achieved by keeping the slip ratio constant. The road condition warning would be actuated if the recorded friction coefficient at a certain slip ratio is lower than a 'safe' reference value.

Paper Details

Date Published: 8 April 2009
PDF: 11 pages
Proc. SPIE 7295, Health Monitoring of Structural and Biological Systems 2009, 72952E (8 April 2009); doi: 10.1117/12.815403
Show Author Affiliations
Ryosuke Matsuzaki, Tokyo Institute of Technology (Japan)
Akira Todoroki, Tokyo Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 7295:
Health Monitoring of Structural and Biological Systems 2009
Tribikram Kundu, Editor(s)

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