Technical Briefs

A Moving Base Simulator Investigation of Effects of a Yaw Stability System Caused by a Side Impact

[+] Author and Article Information
Anders Andersson, Jonas Jansson

 The Swedish National Road and Transport Research Institute (VTI), Olaus Magnus väg 35, SE-583 30 Linköping, Swedenanders.andersson@vti.se

J. Comput. Inf. Sci. Eng 11(4), 044501 (Nov 28, 2011) (6 pages) doi:10.1115/1.3647871 History: Received January 15, 2010; Revised June 28, 2011; Published November 28, 2011; Online November 28, 2011

The main objective of this study was to investigate how an electronic stability control (ESC) system may aid the driver in a critical sideswipe accident. Another objective was to investigate the possibility of having a realistic simulation of a sideswipe accident in a large moving base simulator. The experiment can be divided into two parts. In part one, the driver is unaware of the sudden side impact and in part two, the side impact was repeated six times. The experiment was driven by 18 persons. With the ESC system active no driver lost control, while with the system inactive there were five drivers that lost control in part one. In part two, the ESC system showed to stabilize the vehicle faster, and the improvement in stabilization time was between 40% and 62%. It was also seen that 2% loss of control occurred with an ESC system active and 45% without.

Copyright © 2011 by American Society of Mechanical Engineers
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Figure 1

Side view of SIM-3

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Figure 2

Hysteresis of limited control error

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Figure 3

Sine with dwell maneuver without an active ESC system

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Figure 4

Sine with dwell maneuver with an active ESC system

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Figure 5

Implemented impulse compared to a more realistic

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Figure 6

A snapshot of the environment from the first part of the scenario

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Figure 7

Logged stabilization time from part one

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Figure 8

Percentual benefits from part two of the study




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