New method of identifying real-time predictive lateral load transfer ratio for rollover prevention systems

Vasilios Tsourapas, Damrongrit Piyabongkarn, Alexander C. Williams, Rajesh Rajamani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

28 Scopus citations

Abstract

Vehicle rollover accounts for a significant percentage of fatal accidents in the USA and worldwide. In this paper, two rollover indexes are proposed and analyzed. The first rollover index estimates the actual Lateral Transfer Ratio (LTR) while the second, referred to as 'Predictive Lateral Transfer Ratio' (PLTR), incorporates the predictive influence of the driver's steering input, thus allowing the actuator to respond faster to the rollover scenario. Both algorithms are compared in open loop and closed loop simulation environment using a baseline control system. The PLTR is shown to be superior in preventing rollover under a number of different cornering maneuvers. The vehicle used for simulation is a large SUV with a top-loaded condition. Preliminary experimental results comparing the two algorithms are also presented.

Original languageEnglish (US)
Title of host publication2009 American Control Conference, ACC 2009
Pages439-444
Number of pages6
DOIs
StatePublished - Nov 23 2009
Event2009 American Control Conference, ACC 2009 - St. Louis, MO, United States
Duration: Jun 10 2009Jun 12 2009

Publication series

NameProceedings of the American Control Conference
ISSN (Print)0743-1619

Other

Other2009 American Control Conference, ACC 2009
CountryUnited States
CitySt. Louis, MO
Period6/10/096/12/09

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