Abstract

Automotive suspension design is a compromise brought about by the conflicting demands of ride and handling. The past few years have seen the introduction of increasingly sophisticated, electronically controlled, components into automotive suspensions which redefine the boundaries of the compromise. This paper suggests a simple solution for eliminating discomfort by using an advanced hydro-pneumatic semi-active suspension system which involves modifications to the twin-accumulator suspension system and conventional passive suspension system without either excessive cost nor complexity. Moreover, the paper provides a theoretical evaluation of the advanced hydro-pneumatic semi-active suspension system suggested, and compares the results obtained to those given by the twin accumulator system and the conventional passive suspension system. As a result the advanced hydro-pneumatic semi-active suspension system gives worthwhile improvements when compared to the conventional passive suspension system, and twin accumulator suspension system.

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