Abstract
More attention is played on the variation of steering wheel torque while studying on steering performance, therefore, steering system has decisive influence to analysis accuracy, and it is necessary to establish precise model to present the characteristics-stiffness, friction and damping- of the steering system. Several factors have significant contribution on the steering torque, such as friction (viscous and dry friction), assistance effect and so on. This paper presents the method of modeling hydraulic powering steering system (HPS) and vehicle in AMESim® software, and a new method is used for calculating the crossed area of steering valve in order to get the actual assistance effect. A vehicle dynamic model including this complete steering model is developed for studying of steering performance, and several different experimental test results are confirmed for the validity of the vehicle model.
F2012-E03-009
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Appendix A: Vehicle Parameters
Appendix A: Vehicle Parameters
Name | Value | Unit |
|---|---|---|
Total vehicle mass | 1,134 | kg |
Wheelbase | 2,375 | mm |
Front track width | 1,410 | mm |
Rear track width | 1,417 | mm |
X distance between CG of sprung mass and front axis | 993 | mm |
Height of CG of sprung mass | 615 | mm |
Front suspension rate | 25,500 | N/m |
Rear suspension rate | 19,000 | N/m |
Tire vertical rate | 2,04,000 | N/m |
Tire free radius | 287 | mm |
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Cao, M., Yang, C. (2013). Study on Vehicle Modeling and Steering Performance. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 195. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33835-9_17
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DOI: https://doi.org/10.1007/978-3-642-33835-9_17
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-33834-2
Online ISBN: 978-3-642-33835-9
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