Modelling and Analysis on the Characteristics of Dual-Chamber Hydro-Pneumatic Suspension

Zhi Guo Sang; Ming Ming Dong; Ye Chen Qin; Liang Gu

doi:10.15918/j.tbit1001-0645.2017.04.014

Modelling and Analysis on the Characteristics of Dual-Chamber Hydro-Pneumatic Suspension

Zhi Guo Sang, Ming Ming Dong, Ye Chen Qin, Liang Gu^*

^*Corresponding author for this work

School of Mechanical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Ride comfort and road-holding are effected by the vehicle suspensions. The dual-chamber hydro-pneumatic (DCHP) suspension is a novel passive suspension system. This paper discribes the operating principle of the DCHP suspension and establishes its parametric model. Through the transfer functions comparisons between the traditional passive suspension and the DCHP suspension, it's found that the equivalent stiffness and damping coefficient can adjust their own values according to the frequency of the excitation from road surface. The multi-objective optimization of suspension parameters is implemented with NSGA-II algorithm. The results indicate that all three performance metrics of the novel system are better than those of the traditional passive suspension. The above conclusion is verified by the simulation in time domain with suspension parameters provided by the Pareto solutions.

Original language	English
Pages (from-to)	401-405
Number of pages	5
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	37
Issue number	4
DOIs	https://doi.org/10.15918/j.tbit1001-0645.2017.04.014
Publication status	Published - 1 Apr 2017

Keywords

Dual-chamber
Multi-objective optimization
Pareto solutions

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10.15918/j.tbit1001-0645.2017.04.014

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abstract = "Ride comfort and road-holding are effected by the vehicle suspensions. The dual-chamber hydro-pneumatic (DCHP) suspension is a novel passive suspension system. This paper discribes the operating principle of the DCHP suspension and establishes its parametric model. Through the transfer functions comparisons between the traditional passive suspension and the DCHP suspension, it's found that the equivalent stiffness and damping coefficient can adjust their own values according to the frequency of the excitation from road surface. The multi-objective optimization of suspension parameters is implemented with NSGA-II algorithm. The results indicate that all three performance metrics of the novel system are better than those of the traditional passive suspension. The above conclusion is verified by the simulation in time domain with suspension parameters provided by the Pareto solutions.",

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AB - Ride comfort and road-holding are effected by the vehicle suspensions. The dual-chamber hydro-pneumatic (DCHP) suspension is a novel passive suspension system. This paper discribes the operating principle of the DCHP suspension and establishes its parametric model. Through the transfer functions comparisons between the traditional passive suspension and the DCHP suspension, it's found that the equivalent stiffness and damping coefficient can adjust their own values according to the frequency of the excitation from road surface. The multi-objective optimization of suspension parameters is implemented with NSGA-II algorithm. The results indicate that all three performance metrics of the novel system are better than those of the traditional passive suspension. The above conclusion is verified by the simulation in time domain with suspension parameters provided by the Pareto solutions.

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Modelling and Analysis on the Characteristics of Dual-Chamber Hydro-Pneumatic Suspension

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Keywords

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