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An Optimal Preview Controller for Active Trailer Steering Systems of Articulated Heavy Vehicles
Technical Paper
2011-01-0983
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An optimal preview controller is designed for active trailer steering (ATS) systems to improve high-speed stability of articulated heavy vehicles (AHVs). AHVs' unstable motion modes, including jack-knifing and rollover, are the leading course of highway accidents. To prevent these unstable motion modes, the optimal controller, namely the compound lateral position deviation preview (CLPDP) controller, is proposed to control the steering of the front and rear axle wheels of the trailing unit of a truck/full-trailer combination. The corrective steering angle of the trailer front axle wheels is determined using the preview information of the lateral position deviation of the trajectory of the axle center from that of the truck front axle center. In turn, the steering angle of the trailer rear axle wheels is calculated considering the lateral position deviation of the trajectory of the axle center from that of the trailer front axle. To evaluate the vehicle performance measure, a driver model is introduced and it ‘derives’ the vehicle model based on well-defined testing specifications. The linear quadratic regular (LQR) technique is applied to the design of the proposed preview control scheme in the continuous time domain. The numerical simulation results show that compared with the baseline vehicle, the dynamic performance of the AHV with the ATS system is improved by decreasing rearward amplification ratio from the baseline value of 1.57 to 0.83 and reducing transient off-tracking by 80.6%.
Authors
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Citation
Islam, M. and He, Y., "An Optimal Preview Controller for Active Trailer Steering Systems of Articulated Heavy Vehicles," SAE Technical Paper 2011-01-0983, 2011, https://doi.org/10.4271/2011-01-0983.Also In
Load Simulation and Analysis in Automotive Engineering, 2011
Number: SP-2307 ; Published: 2011-04-12
Number: SP-2307 ; Published: 2011-04-12
References
- Janson, B. N., Awad, W., Robles, J., Kononov, J. and Pinkerton, B. Truck accidents at freeway ramps: data analysis and high-risk site identification, Journal of Transportation and Statistics, January 1998, pp. 75-92.
- Islam, M. M., He, Y. and Webster, T. D. Automated design synthesis of articulated heavy vehicles with active trailer steering systems, Proceedings of ASME IDETC/CIE 2010, Paper No: DETC2010-28160.
- Fancher, P. and Winkler, D. Directional performance issues in evaluation and design of articulated heavy vehicles, Vehicle System Dynamics, vol. 45(7-8), 2007, pp. 607-647.
- El-Gindy, M., Mrad, N. and Tong, X., Sensitivity of rearward amplification control of a tractor/full trailer to tyre cornering stiffness variable, Proc. IMechE, Part D: J. Automobile Engineering, vol. 215, 2001, pp. 579-588.
- He, Y., Islam, M. M. and Webster, T. D. An integrated design method for articulated heavy vehicles with active trailer steering systems”, SAE International Journal of Passenger Cars - Mechanical Systems, August 2010, vol. 3 (1), pp. 158-174.
- Rangavajhula, K. and Tsao, H-S. J. Command steering of trailers and command-steering-based optimal control of an articulated system for tractor-track following, Proc. IMechE, Part D: J. Automobile Engineering, vol. 222, 2008, pp. 935-954.
- Rangavajhula, K. and Jsao, H-S. Tsao, J., Active steering control of an articulated system with a tractor and three full trailers for tractor-track following, Int. J. Heavy Vehicle Systems, vol. 14(3), 2007, pp. 271-293.
- Jujnovich, B. and Cebon, D., Comparative performance of semi-trailer steering systems, Proceedings of the 7th International Symposium on Heavy Vehicle Weights and Dimensions, Delft, 16-20 June 2002, pp. 195-214.
- Sharp, R. S. Driver steering control and a new perspective on car handling qualities, Proc. IMechE, Part C: J. Mechanical Engineerig Science, vol. 219, 2005, pp. 1041-1051.
- Cheng, C. and Cebon, D. Improving roll stability of articulated heavy vehicles using active semi-trailer steering, Vehicle System Dynamics, vol. 46, 2008, pages 373-388.
- Prem, H., Ramsay, E., Pont, J., McLean, J. and Woodrooffe, J. Comparison of modelling systems for performance-based assessments of heavy vehicles (Performance based standards - NRTC/Austroads project A3 and A4), The National Road Transport Commission (NRTC), Working Paper, 2001, October.
- Wu, D-H. and Lin, J. H. Analysis of dynamic lateral response for a multi-axle-steering tractor and tractor and trailer, Int. J. of Heavy Vehicle Systems, 10(4), 281-294, 2003.
- Society of Automotive Engineers. A test for evaluating the rearward amplification of multi-articulated vehicles, SAE Surface Vehicle Recommended Practice J2179, SAE, Warrendale, USA, 1994.
- Sun, J. Q. and Song, B. Control Studies of Time-Delayed Dynamical Systems with the Method of Continuous Time Approximation, Communications in Nonlinear Science and Numerical Simulation, vol. 14, 2009, pp. 3933-3944.
- Plöchl, M. and Edelmann, J. Driver Models in Automobile Dynamics Application, Vehicle System Dynamics, Vol. 47(7), pp. 699 - 741.