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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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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