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New Identification Approach of Road Bank Angle and Road Grade

[+] Author Affiliations
Ayyoub Rezaeian, Amir Khajepour, William Melek

University of Waterloo, Waterloo, ON, Canada

Shih-Ken Chen, Nikolai Moshchuk

R&D General Motors, Warren, MI

Paper No. IMECE2014-39349, pp. V012T15A020; 8 pages
doi:10.1115/IMECE2014-39349
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 12: Transportation Systems
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4961-3
  • Copyright © 2014 by ASME and General Motors

abstract

In this paper, a novel approach is presented to identify road bank angle and road grade. The proposed approach uses kinematics of the vehicle body and vehicle frame to identify these angles. The effect of vehicle body angle is separated from the effect of road angle in the measured longitudinal and lateral acceleration signals. Additionally, because the algorithm does not use a tire model, it is robust against changes in tire parameters. Effectiveness of the proposed approach is verified for different road grade and bank angles and in maneuvers that excite longitudinal and lateral vehicle dynamics at the same time.

Copyright © 2014 by ASME and General Motors
Topics: Roads

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