Experimental and Theoretical Investigation into the Dynamics of a Half-Car with an Interconnected Passive Suspension

Publisher:
SAE International
Publication Type:
Conference Proceeding
Citation:
SAE World Congress & Exhibition 2009 - Technical Paper, 2009, pp. 1 - 10
Issue Date:
2009-01
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In this paper, a previously derived theoretical model of an integrated hydraulically interconnected suspension (HIS) half-car system is experimentally validated. The paper outlines the development of the HIS fluid system model and its integration into a four degree-of-freedom, roll-plane half-car system. An experimental approach to validate the model is outlined, and the resulting purposebuilt half-car test facility is described in detail. Experimental results from both free and forced vibration testing are presented and compared with model-based simulations. In general, very good agreement is observed. Limitations of the testing approach and reasons for any discrepancies are discussed. Finally, the broader implications of the obtained results in terms of practical HIS system design are considered.
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