Dynamic analyses of heavy vehicle with pitch-interconnected suspensions

Cao, D. and Rakheja, S. and Su, C-Y. (2008) Dynamic analyses of heavy vehicle with pitch-interconnected suspensions. International Journal of Heavy Vehicle Systems, 15 (2-4). pp. 272-308. ISSN 1744-232X

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The properties of three different pitch-interconnected hydro-pneumatic suspensions are systematically explored. The vertical and pitch mode properties of the proposed suspensions are derived through formulation and analysis of a generalised pitch plane model. The results suggest that the pitch-connected suspensions offer superior flexibility for enhancing the pitch mode properties, without affecting the bounce mode properties. The dynamic characteristics of the proposed pitch-connected suspensions are further evaluated for a two-axle heavy vehicle under braking and road inputs. The results demonstrate that the proposed pitch-connected suspensions could offer significant benefits in improving both the handling and ride qualities of heavy vehicles.

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Journal Article
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International Journal of Heavy Vehicle Systems
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29 Sep 2011 13:15
Last Modified:
12 Apr 2022 01:12