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Modeling and Simulation of a Hydraulic Steering System
Journal Article
2008-01-2704
ISSN: 1946-391X, e-ISSN: 1946-3928
Sector:
Topic:
Citation:
Yuan, Q. and Xie, B., "Modeling and Simulation of a Hydraulic Steering System," SAE Int. J. Commer. Veh. 1(1):488-494, 2009, https://doi.org/10.4271/2008-01-2704.
Language:
English
Abstract:
Conventional hydraulic steering systems keep improving performance and driving comfort by introducing advanced features via mechanical design. The ever increasing mechanical complexity requires the advanced modeling and simulation technology to mitigate the risks in the early stage of the development process. In this paper, we focus on advanced modeling tools environment with an example of a load sensing hydraulic steering system. The complete system architecture is presented. Analytical equations are developed for a priority valve and a steering control unit as the foundation of modeling. The full version of hydraulic steering system model is developed in Dymola platform. In order to capture interaction between steering and vehicle, the co-simulation platform between the hydraulic steering system and vehicle dynamics is established by integrating Dymola, Carsim and Simulink. Finally, the complete hydraulic steering system is executed in Opal-RT RT-Lab HIL simulator to allow human in the loop testing. The simulation results verify the functions and performance of the hydraulic steering system.
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