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Research Papers

Virtual Prototyping of an Advanced Leveling Light System Using a Virtual Reality-Based Night Drive Simulator

[+] Author and Article Information
Jan Berssenbrügge

Heinz Nixdorf Institute, University of Paderborn, Fürstenallee 11, 33102 Paderborn, Germanyjan.berssenbruegge@hni.upb.de

Sven Kreft

Heinz Nixdorf Institute, University of Paderborn, Fürstenallee 11, 33102 Paderborn, Germanysven.kreft@hni.upb.de

Jürgen Gausemeier

Heinz Nixdorf Institute, University of Paderborn, Fürstenallee 11, 33102 Paderborn, Germanyjuergen.gausemeier@hni.upb.de

J. Comput. Inf. Sci. Eng 10(2), 021011 (Jun 08, 2010) (7 pages) doi:10.1115/1.3428734 History: Received January 23, 2009; Revised March 31, 2010; Published June 08, 2010; Online June 08, 2010

This paper proposes to use a virtual reality-based night driving simulator as a tool to evaluate an advanced leveling light system. The night driving simulator visualizes the complex beam patterns of automotive headlights in high detail, while the vehicle motion directly affects the lighting direction of the headlights. The system is connected to the control algorithm of an advanced leveling light system, which controls the headlight tilting angle. Within the virtual prototyping process of the lighting system, good combinations of control parameter values can be identified, based on virtual test drives, and the number of real test drives can be reduced significantly.

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Copyright © 2010 by American Society of Mechanical Engineers
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Figures

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Figure 1

Virtual night drive: low beam (upper left), high beam (upper right), and display of day light, night time, and false-color modes (lower half)

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Figure 2

VND: full-scale simulator application (upper half), simple user-interface (lower left), and virtual test track Eiffel (lower right)

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Figure 3

Main components of the vehicle dynamics module in the VND

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Figure 4

Advanced leveling light system adjusting the vehicle headlight pitch on hilltops and in dips (33)

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Figure 5

Aim of advanced leveling light: seek a defined aiming distance at which the light cut-off line hits the road (33)

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Figure 6

With varying headlight pitch, projected beam patterns appear different on an even road in the VND-simulator: no pitch (left), and pitch downward by 1 deg (center), and by 2 deg (right)

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Figure 7

Varying visibility range with identical beam patterns when approaching a dip: limited visibility due to no pitch (left) and enhanced visibility with headlights tilted upward by 3 deg (right)

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Figure 8

Vehicle approaching a dip in VND: False color shows varying beam pattern projections (no pitch, left) and enhanced lighting range (pitch angle 3 deg upward, right)

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Figure 9

Approaching a hilltop in the VND: driver’s view shows potential glare on the opposite lane with headlights not leveled (left) compared with glare-free but limited visibility of the hilltop due to downward tilted headlights (right)

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Figure 10

Motion chair (i.e., driver seat mounted onto a hexapod-based pneumatic motion platform) providing haptic feedback of an undulating road to the user evaluating an advanced leveling headlight system during a simulated night drive on a four-channel 20×106 pixel high definition projection system in our laboratory

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