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Vehicle On-Center Directional and Steering Sensitivity
Technical Paper
2005-01-0395
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Steering activity in response to deviations from the intended straight-ahead vehicle path is an important factor of vehicle-driver on-center performance. Traditionally, setting the parameters of vehicle models for stability analysis does not involve vehicle properties that make the vehicle deviate from its intended path with no steering input. However, for closed loop simulations where driver steering activity is considered a fundamental human performance measure, the ability of the vehicle model to faithfully generate path deviations in response to external forces is required for steering performance measures fidelity. Path deviations cause the driver to make small steering angle corrections to keep the vehicle on its intended straight path. It is in fact a natural driving load that should be included in every closed loop simulation before considering any study involving driving loads and driver distractions. This paper explains the physics of these small deviations and proposes a model that mimics path deviations seen on the road. A comparison is made between vehicle road data measurements and simulation results.
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Citation
Salaani, M., Heydinger, G., and Grygier, P., "Vehicle On-Center Directional and Steering Sensitivity," SAE Technical Paper 2005-01-0395, 2005, https://doi.org/10.4271/2005-01-0395.Also In
SAE 2005 Transactions Journal of Passenger Cars: Mechanical Systems
Number: V114-6; Published: 2006-02-01
Number: V114-6; Published: 2006-02-01
References
- Salaani, M.K. Heydinger, G.J. Grygier, P.A. “Closed Loop Steering System Model for the National Advanced Driving Simulator,” SAE 2004-01-1072 March 2004
- Salaani, M.K. Heydinger, G.J. Grygier, P.A. “Experimental Steering Feel Performance Measures,” SAE 2004-01-1074 March 2004
- Ranney, T.A. et al. “The Effects of Voice Technology on Test Track Driving Performance: Implication for Driver Distraction,” December 2003
- Gawronski, W.K. Mellstrom, J.A. “Field Verification of the Wind Tunnel Coefficients,” The telecommunication and Data Acquisition Progress Jet Propulsion Laboratory Pasadena, California 210 220 November 15 1994
- Salaani, M.K. Heydinger, G.J. Grygier, P.A. “Parameter Determination and Vehicle Dynamics Modeling for the NADS of the 1998 Chevrolet Malibu,” SAE 2001-01-0140 March 2001