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2018 | OriginalPaper | Chapter

Method for the Kinetostatic Analysis of the Road Vehicles Axle Suspensions

Author : C. Alexandru

Published in: New Advances in Mechanism and Machine Science

Publisher: Springer International Publishing

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Abstract

The purpose of the research is to develop a numerical method for the kinetostatic analysis of linkages that guide the rear beam axle of some road vehicles (mainly, commercial and off-road vehicles). The study is performed in two distinctive stages, which are then integrated in an unitary numerical algorithm, with the aim to evaluate the way in which the suspension system behaves under various loading states. For beginning, the static equilibrium of the suspension mechanism is expressed by considering the external loads and the reactions that occur in the force generating elements of the suspension system, depending on the linear and angular deformations of these flexible (compliant) elements. In the second stage, the kinematics of the suspension mechanism is performed by an original analytical algorithm, with the aim to establish the variations of the global coordinates of the design points that are used to express the linear and angular deformations of the compliant elements. Then, the two algorithms are coupled in an optimization problem that intend to determine the value(s) of the independent kinematic parameter(s) for which the minimum value of the static equation is reached.

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Literature
1.
Alexandru C (2009) The kinematic optimization of the multi-link suspension mechanisms used for the rear axle of the motor vehicles. Proc Rom Acad 10(3):244–253MathSciNet
2.
Alexandru C, Barbu I (2010) The modeling of the elastic and damping elements from the suspension system of the cars axle. In: Proceedings of 8th symposium on mechanisms and mechanical transmission, pp 33–38
3.
Alexandru C, Alexandru P (2011) A comparative analysis between the vehicles’ passive and active suspensions. Int J Mech 5(4):371–378
4.
Alexandru C, Țoțu V (2016) Method for the multi-criteria optimization of car wheel suspension mechanisms. Ing e Investig 36(2):60–67CrossRef
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Alexandru C (2016) Analytical method for determining the static equilibrium position of the rear axles guiding mechanisms of the motor vehicles. Appl Mech Mater 841:59–64CrossRef
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Alexandru P, Macaveiu D, Alexandru C (2012) Design and simulation of a steering gearbox with variable transmission ratio. Proc Inst Mech Eng—Part C J Mech Eng Sci 226(10):2538–2548CrossRef
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Ambrosio J, Verissimo P (2009) Sensitivity of a vehicle ride to the suspension bushing characteristics. J Mech Sci Technol 23(4):1075–1082CrossRef
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Knapczyk J, Maniowski M (2002) Selected effects of bushings characteristics on five-link suspension elastokinematics. Mob Veh Mech 3(2):107–121
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Knapczyk J, Maniowski M (2006) Elastokinematic modeling and study of five-rod suspension with subframe. Mech Mach Theory 41(9):1031–1047CrossRef
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Livermore DF (1987) The determination of the equilibrium configurations of spring restrained mechanisms using 4x4 matrix method. J Eng Ind, 87–91
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Stroe I, Staicu Ş (2010) Calculus of joint forces using Lagrange equations and principle of virtual work. Proc Rom Acad—Ser A 11(3):253–260
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Ţoţu V, Alexandru C (2013) Study concerning the effect of the bushings’ deformability on the static behavior of the rear axle guiding linkages. Appl Mech Mater 245, 132–137
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Verissimo P, Ambrosio J (2006) Improved bushing models for vehicle dynamics. In: Proceedings of 3rd European conference on computational mechanics, pp 1–20
Metadata
Title
Method for the Kinetostatic Analysis of the Road Vehicles Axle Suspensions
Author
C. Alexandru
Copyright Year
2018
Book
New Advances in Mechanism and Machine Science

Print ISBN: 978-3-319-79110-4

Electronic ISBN: 978-3-319-79111-1

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-79111-1_6

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