Semi-active hydro-gas suspension system for a tracked vehicle

被引：29
|
作者：
Solomon, U. [1 ]
Padmanabhan, Chandramouli [1 ]
机构：
[1] Indian Inst Technol Madras, Dept Mech Engn, Machine Design Sect, Madras 600036, Tamil Nadu, India
来源：
JOURNAL OF TERRAMECHANICS | 2011年 / 48卷 / 03期
关键词：
Semi-active hydro-gas suspension; Sky-hook damper; Variable orifice damper; VIBRATION CONTROL; DAMPERS;
D O I：
10.1016/j.jterra.2011.01.002
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A semi-active hydro-gas suspension is proposed for a tracked vehicle to improve ride comfort performance, without compromising the road holding and load carrying capabilities of the passive suspension. This is achieved through an active damper used in parallel with a gas spring. The suspension damper parameters are varied by a control mechanism based on sky-hook damping theory, which alters the flow characteristics. A damper prototype has been developed, tested for its flow characteristics, after which it has been integrated into an existing hydro-gas suspension system. An analytical model has been proposed from first principles rather than developing a phenomenological model based on experimental characteristics. This model is validated with experiments carried out on a suspension test rig. In order to compare the performance with the original passive system, an in-plane vehicle model is developed and the simulations clearly show that the semi-active system performance is superior to the passive system. (C) 2011 ISTVS. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：225 / 239
页数：15
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