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Identifying Operating Conditions of Tires During Highway Driving Maneuvers

Attravanam, Siddarth Kashyap
http://orcid.org/0000-0001-9692-9970
http://rave.ohiolink.edu/etdc/view?acc_num=osu1534456018582412

Abstract Details

2018, Master of Science, Ohio State University, Mechanical Engineering.
Tires play a critical role in influencing vehicle behavior. Determining vehicle handling, implementation of active safety systems such as anti-lock braking systems and electronic stability control systems rely on robust understanding of tire behavior. Tire behavior changes with operating conditions such as normal load, camber angle, slip angle and temperature. These operating conditions were identified with on track testing using wheel force transducers, slip angle sensors and an array of data acquisition systems. Data from 20 days of driving on public roads with data acquisition provided guidance to design the on track testing. Data from on track testing was used to design high slip angle and low slip angle tire testing on the FlatTrac III tire test rig at Smithers Rapra in Akron, Ohio. Correlation between wheel force transducer and FlatTrac III was presented. In addition, correlation between the test track surface and FlatTrac III belt surface was also presented by using the same physical tires between track testing and FlatTrac III testing. The on track data can be used to reduce testing time and cost by about 40% by utilizing an asymmetric tire test matrix. Further, Magic Formula 6.1 tire models are fit to the data from FlatTrac III and scaling factors are developed which can further reduce testing time and cost by 50%. The correlation between lateral force predicted by these scaled models to measured lateral force on the FlatTrac III for a combination of normal load, slip angle and camber is provided.
Levent Guvenc (Advisor)
Gary Heydinger (Committee Member)
Jeffrey Chrstos (Committee Member)
132 p.
Automotive Engineering; Mechanical Engineering
tires; tire testing; wheel force transducer; tire modeling; pacejka; scaling factors; tire operating conditions; track testing; vehicle handling;

Recommended Citations

Citations

  • Attravanam, S. K. (2018). Identifying Operating Conditions of Tires During Highway Driving Maneuvers [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1534456018582412

    APA Style (7th edition)

  • Attravanam, Siddarth. Identifying Operating Conditions of Tires During Highway Driving Maneuvers. 2018. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1534456018582412.

    MLA Style (8th edition)

  • Attravanam, Siddarth. "Identifying Operating Conditions of Tires During Highway Driving Maneuvers." Master's thesis, Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1534456018582412

    Chicago Manual of Style (17th edition)

osu1534456018582412
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This open access ETD is published by The Ohio State University and OhioLINK.