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A Novel Active Rollover Preventer for Ground Vehicles based on Continuous Roll Motion Detection

[+] Author and Article Information
Fengchen Wang

The Polytechnic School, Arizona State University, 7442 E. Tillman Ave, SIM 140, Mesa, AZ, 85212
fengchen.w@asu.edu

Yan Chen

ASME Member, The Polytechnic School, Arizona State University, 7171 E. Sonoran Arroyo Mall, PRLTA 330M, Mesa, AZ, 85212
yanchen@asu.edu

1Corresponding author.

ASME doi:10.1115/1.4041201 History: Received July 06, 2017; Revised August 05, 2018

Abstract

To enhance performance of vehicle rollover detection and prevention, this paper proposes a novel control strategy integrating mass-center-position (MCP) metric and active rollover preventer (ARPer). The adopted MCP metric can provide completed rollover information without saturation in the case of tire lift-off. Based on the continuous rollover index provided by MCP, the proposed ARPer system can generate corrective control efforts independent to tire-road interactions. Moreover, the capability of the ARPer system is investigated for given vehicle physical constraints. A hierarchical control architecture is designed for tracking desired accelerations of the MCP and distributing control efforts to the ARPer and active front steering (AFS). Co-simulations between CarSim® and MATLAB/Simulink® for a fishhook maneuver are conducted to verify the control performance. The results show that the vehicle with the assistance of the ARPer system can successfully achieve better performance of vehicle rollover prevention, compared with an uncontrolled vehicle and an AFS-controlled vehicle.

Copyright (c) 2018 by ASME
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