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Dynamic analyses of heavy vehicle with pitch-interconnected suspensions

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>2008
<mark>Journal</mark>International Journal of Heavy Vehicle Systems
Issue number2-4
Number of pages37
Pages (from-to)272-308
<mark>Original language</mark>English


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.