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Effect of Rear-Axle Steering on Vehicle Controllability and Stability of a Medium-Duty Truck
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English
Abstract
This study establishes the feasibility of improving the motion characteristics of commercial vehicles by applying rear axle steering. A model-matching control algorithm for rear axle steering was used to achieve the desired yaw rate response to steering action. Simulations with a two-degree-of-freedom model evaluated the effectiveness of the control method. Results of vehicle tests on an experimental medium-duty truck with rear axle steering proved that this control method can improve vehicle yaw response. However, the simulation results did not well represent the vehicle test results, because the simulation model was too simple. Adding the roll effect to the model reduced the discrepancy between the simulation and vehicle test results.
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Authors
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Citation
Watanabe, Y., Kusahara, Y., Hata, N., Hasegawa, S. et al., "Effect of Rear-Axle Steering on Vehicle Controllability and Stability of a Medium-Duty Truck," SAE Technical Paper 933007, 1993, https://doi.org/10.4271/933007.Also In
The Influence of Tire, Axle, and Brake Characteristics on Truck Braking and Steering Performance
Number: SP-1003; Published: 1993-11-01
Number: SP-1003; Published: 1993-11-01
References
- Susuki Y. Shinjyo S. Hayashida T. Kawasawa S. “Some Studies of High-Speed Stability and Controllability in Medium-Sized Trucks” No. 921113 JSAE Spring Convention Proceedings 921 1992
- Kleuskens R. J. A. Jansen S. T. H. “The Influence of Central Axle Trailers and Steered Semi-Trailers on the Stability of Heavy Commercial Vehicles” No. 923059 Avec'92 Yokohama 1993
- Kageyama I. “A Stability Cobntrol Method for Articulated Vehicle at Braking” No. 923060 Avec'92 Yokohama 1993
- Chikamori S. Shimizu Y. Suzuki K. Shinjyo H. “Stability Analysis of Light Tractor and Semi-Trailer Combination when Trailer's Wheels are Steered” No. 923061 Avec'92 Yokohama 1993
- Ito K. Fujishiro T. Kanai K. Ochl Y. “Four Wheel Steering System Synthesized by Model Matching Control” IEE-I Mech E 6th. Int. Conf. on Automotive Electronics London 1987