Study of the inertial effect and the nonlinearities of the CRONE suspension based on the hydropneumatic technology

Abstract : In this paper, we emphasize two main effects involved in the CRONE car suspension technology (CRONE: French acronym for Commande Robuste d'Ordre Non Entier). In a first time, we present the influence of the inductive or inertial effect of the pipes that links the different cells of the hydropneumatic car suspension. These components are mainly resistive and capacitive devices. Then, we analyze the nonlinear relations that link the hydraulic power variables (the flow and the pressure) of the hydraulic resistors and the hydropneumatic accumulators and we study the effect of the nonlinear terms on the car suspension response. Our study is based on the gamma RC arrangement developed in Altet et al. (In: Analysis and design of hybrid systems—proceedings of ADHS03, pp. 63–68. Elsevier, Amsterdam, 2003) and Serrier et al. (In: Proceedings of IDETC/CIE 2005: ASME 2005 international design engineering technical conferences and computers and information in engineering conference, Long Beach, CA, USA, 24–28 September 2005). In a second time, we focus only on the gamma RLC arrangement, introduced in Abi Zeid Daou et al. (Int. J. Electron. 96(12):1207–1223, 2009). We show whether the parasite effect due to the pipes or the nonlinear RC components affect the system's response. The simulation results show that neither the inertial effect caused by these parasite pipes of one meter length nor the use of the nonlinear resistors or the accumulators modifies the response of the gamma RC arrangement.
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Nonlinear Dynamics, An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems, ISSN 0924-090X, 2010, 63 (1-2), pp.1-17. 〈10.1007/s11071-010-9781-8〉
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https://hal.archives-ouvertes.fr/hal-00568581
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Soumis le : mercredi 23 février 2011 - 10:25:14
Dernière modification le : lundi 19 février 2018 - 15:50:04

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Roy Daou, Clovis Francis, Xavier Moreau. Study of the inertial effect and the nonlinearities of the CRONE suspension based on the hydropneumatic technology. Nonlinear Dynamics, An International Journal of Nonlinear Dynamics and Chaos in Engineering Systems, ISSN 0924-090X, 2010, 63 (1-2), pp.1-17. 〈10.1007/s11071-010-9781-8〉. 〈hal-00568581〉

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