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Technical Brief

A Novel Method for Indirect Estimation of Tire Pressure

[+] Author and Article Information
Selim Solmaz

Mechanical Engineering Department,
Gediz University,
Seyrek-Menemen, Izmir 35665, Turkey

Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received February 5, 2015; final manuscript received January 25, 2016; published online March 10, 2016. Assoc. Editor: Junmin Wang.

J. Dyn. Sys., Meas., Control 138(5), 054501 (Mar 10, 2016) (7 pages) Paper No: DS-15-1058; doi: 10.1115/1.4032744 History: Received February 05, 2015; Revised January 25, 2016

In this paper, a novel algorithm for indirect tire failure indication is described. The estimation method is based on measuring changes in the lateral dynamics behavior resulting from certain types of tire failure modes including excessive deflation or significant thread loss in a combination of tires. Given the fact that both failures will notably affect the lateral dynamics behavior, quantifying these changes constitutes the basis of the estimation method. In achieving this, multiple models and switching method are utilized based on lateral dynamics models of the vehicle that are parametrized to account for the uncertainty in tire pressure levels. The results are demonstrated using representative numerical simulations.

FIGURES IN THIS ARTICLE
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Copyright © 2016 by ASME
Topics: Pressure , Vehicles , Tires
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Figures

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Fig. 1

Effect of inflation pressure on the tire contact patch geometry

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Fig. 2

Tire failure modes

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Fig. 3

The flow diagram for the indirect tire pressure estimation method

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Fig. 4

Variation of lateral tire force with changing vertical force and sideslip angle for two sets of tire parameters

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Fig. 5

Simulated input signals for the vehicle during a double lane change maneuver at constant speed

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Fig. 6

Simulation results with comparison of the measured values and their switched estimates

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