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Research Papers

A New Design Tool for Tire Braking Performance Evaluations

[+] Author and Article Information
Srikanth Sivaramakrishnan

Center for Tire Research (CenTiRe),
Department of Mechanical Engineering,
Virginia Polytechnic Institute and State University,
Blacksburg, VA 24060
The Goodyear Tire and Rubber Company,
200 Innovation Way,
Akron, OH 44316

Yaswanth Siramdasu

Center for Tire Research (CenTiRe),
Department of Mechanical Engineering,
Virginia Polytechnic Institute and State University,
Blacksburg, VA 24060
e-mail: yaswanth@vt.edu

Saied Taheri

Center for Tire Research (CenTiRe),
Department of Mechanical Engineering,
Virginia Polytechnic Institute and State University,
Blacksburg, VA 24060

Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received October 6, 2014; final manuscript received February 1, 2015; published online March 26, 2015. Assoc. Editor: Fu-Cheng Wang.

J. Dyn. Sys., Meas., Control 137(7), 071013 (Jul 01, 2015) (7 pages) Paper No: DS-14-1402; doi: 10.1115/1.4029721 History: Received October 06, 2014; Revised February 01, 2015; Online March 26, 2015

The objective of this study is to understand the influence of high frequency tire vibrations induced due to road disturbances and brake torque cycling due to anti-lock braking system (ABS) on braking performance. Under these conditions, transient dynamics of the tire play a crucial role in the generation of braking force. To implement this, a dynamic tire model was developed using a rigid ring tire and a tandem elliptical cam design for the enveloping model. This tire model is validated using experimental data obtained from high-speed cleat tests on a fixed axle. The validated tire model is then integrated with a quarter vehicle and a commercial grade rule-based ABS model to evaluate braking performance with and without a road cleat, which can provide a high frequency disturbance. Simulation results show that the presence of a 1 cm cleat causes large variations in wheel slip, consequently increasing the braking distance. The developed tool will help both tire and vehicle manufactures for quick and early evaluation of braking performance without computationally intensive finite element analysis (FEA) tools.

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Copyright © 2015 by ASME
Topics: Braking , Tires , Roads , Vehicles , Design
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References

Figures

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Fig. 3

Tandem elliptical cam model [11]

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Fig. 2

Free body diagram of forces and moments acting on the tire. Arrows indicate the direction of positive force.

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Fig. 1

Rigid ring tire model, adapted from Zegelaar [10]

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Fig. 5

Enveloping over a cylindrical cleat at FZ = 2000 N

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Fig. 6

Enveloping over a trapezoidal cleat at FZ = 4000 N

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Fig. 13

ABS operation on bad asphalt road surface with cleat

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Fig. 7

Tire rolling over a rectangular cleat at 20 km/h and FZ = 2000 N

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Fig. 8

Tire rolling over a rectangular cleat at 60 km/h and FZ = 6000 N

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Fig. 9

Flow chart of inputs and outputs from tire, quarter car, and ABS module

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Fig. 10

Bad asphalt road surface with and without 1 cm cleat

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Fig. 11

ABS operation on bad asphalt road surface without cleat

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Fig. 12

ABS braking performance

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