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TECHNICAL PAPERS

A Design Method of an Automotive Wheel-Bearing Unit With Discrete Design Variables Using Genetic Algorithms

[+] Author and Article Information
Dong-Hoon Choi

Center of Innovative Design Optimization Technology, Hanyang University, Seoul, Korea 133-791

Ki-Chan Yoon

R&D Center, FAG-HANWHA Bearings Corp., 851-5, Chang-Won, Korea 641-020

J. Tribol 123(1), 181-187 (Aug 01, 2000) (7 pages) doi:10.1115/1.1329878 History: Received February 04, 2000; Revised August 01, 2000
Copyright © 2001 by ASME
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References

Harris, T. A., 1991, Rolling Bearing Analysis,3rd ed. (Wiley, New York).
Poplawski, J. V., 1998, COBRA-EHL-Users Manual with Tutorials, V. Poplawski & Associates, Bethlehem.
Aramaki, H., 1997, “Rolling Bearing Analysis Program Package-BRAIN,” Motion & Control, NSK, No. 3, pp. 15–24.
Gupta,  P. K., 1997, “Dynamica of Rolling Element Bearings, Part 1–4,” ASME J. Lubr. Technol., 101, pp. 298–326.
Vanderplaats, G. N., 1984, Numerical Optimization Techniques for Engineering Design: With Applications, McGraw-Hill, New York.
Wan, C., 1991, Analysis of Rolling Element Bearings, Mechanical Engineering Publications, London.
Hofmann,  H., 1988, “Progress with Car Wheel Bearing Units,” Ball Roller Bear. Eng. Ind. Eng., 27, No. 2, pp. 13–15.
Jones,  A. B., 1960, “A General Theory for Elastically Constrained Ball and Radial Roller Bearings Under Arbitrary Load and Speed Conditions,” ASME J. Basic Eng., 82, No. 2, pp. 309–320.
Yoon,  K. C., and Choi,  D. H., 2000, “A Design of an Automotive Wheel Bearing Unit for Long Life,” Trans. Korean Soc. Mech. Eng. A, 24, No. 2, pp. 319–328.
Kiener, H., Rolling Bearing for Car Hub, WTS871221E, SKF.
Lundberg, G., and Palmgren, A., 1947, “Dynamic Capacity of Rolling Bearings,” Acta Polytech. Mech. Eng. Ser. 1, R.S.A.E.E. 7 , No. 3.
Holland, J. H., 1975, Adaptation in Natural and Artificial Systems, University of Michigan Press, Ann Arbor, Michigan.
Goldberg, D. E., 1989, Genetic Algorithms in Search, Optimization, and Machine Learning, Addison-Wesley, Longmont, Inc., Reading, MA.
Gen, M., and Cheng, R., 1997, Genetic Algorithms and Engineering Design, Wiley, New York.
Michalewicz, Z., 1996, Genetic Algorithms+Data Structures=Evolution Programs, 3rd ed., revised and extended edition, Springer-Verlag, New York.

Figures

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Hub Unit 1 for a driven front wheel
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Free body diagram for tire load calculation during right cornering
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Free body diagram of the right wheel for bearing load analysis
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Ball-raceway contacts in Hub Unit 1 under static loads
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Flow chart for the optimum design of the wheel-bearing unit
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Comparisons of the design variables and system life
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Cross-section views of the current and optimum designs
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System life variations as a function of preload/clearance
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System life variations as a function of wheel offset
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Distributions of contact load and contact angle under lateral acceleration of 0.8 g
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Conact stress distributions under lateral acceleration of 0.8 g

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