磁流变刚度阻尼可控缓冲系统冲击减振控制

董小闵; 余淼; 廖昌荣; 陈伟民

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磁流变刚度阻尼可控缓冲系统冲击减振控制

机械工程 | 更新时间：2023-11-28

- 磁流变刚度阻尼可控缓冲系统冲击减振控制
- Impact Absorbing Control of Magneto-rheological Variable Stiffness and Damping System
- 工程科学与技术 2009年41卷第6期页码：187-192
- 作者机构：
  
  1. 重庆大学
  2. 重庆大学光电技术及系统教育部重点实验室重庆,400044
- 作者简介：
- 基金信息：
  
  国家自然科学基金（N0.60804018,NO.60574074,No.60674097）、重庆市自然科学基金（CSTC.2008BB6184）和博士后基金（NO.20070420719）
- DOI：
  中图分类号：
- 纸质出版日期：2009，
  
  网络出版日期：2008-11-24，
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董小闵,余淼,廖昌荣,陈伟民.磁流变刚度阻尼可控缓冲系统冲击减振控制[J].工程科学与技术,2009,41(6):187-192.

dongxiaomin, Yu Miao, Liao Changrong, et al. Impact Absorbing Control of Magneto-rheological Variable Stiffness and Damping System[J]. Advanced Engineering Sciences, 2009,41(6):187-192.
董小闵,余淼,廖昌荣,陈伟民.磁流变刚度阻尼可控缓冲系统冲击减振控制[J].工程科学与技术,2009,41(6):187-192. DOI：

dongxiaomin, Yu Miao, Liao Changrong, et al. Impact Absorbing Control of Magneto-rheological Variable Stiffness and Damping System[J]. Advanced Engineering Sciences, 2009,41(6):187-192. DOI：

摘要

中文摘要: 根据磁流变液变阻尼和磁流变弹性体变刚度特点，结合飞机起落架的工作情况，提出了可应用于飞机着陆缓冲系统的磁流变变刚度变阻尼缓冲器结构方案，建立了其变刚度变阻尼控制模型。针对飞机缓冲着陆动力学过程不连续，设计了加速度反馈和LQG控制相结合的控制策略，通过仿真研究了缓冲器和控制策略的有效性。结果表明，基于磁流变自适应变刚度变阻尼缓冲系统，能在不增加缓冲器行程的情况下，降低着陆时的冲击载荷，提高滑行阶段的舒适性。

Abstract

Abstract:According to the characteristics of magneto-rheological (MR) variable damping and stiffness and the requirements of landing gear

an absorber consisted of a MR damper and MR elastomer part in parallel is proposed

which can be applied to the landing absorbing system of airplane

Its control model is formulated. Due to the discontinuous dynamics of landing

a hybrid controller based on acceleration feedback control and LQG control is derived.The simulation is carried out to validate the effect of the proposed absorber and the derived control strategy. The results show that the landing gear based on the variable damping and stiffness absorber can reduce the peak value of impact during landing without increasing the stroke of absorber

and improve the ride comfort during sliding compared to the passive gear.

关键词

磁流变变刚度磁流变变阻尼缓冲器加速度反馈LQG

Keywords

magneto-rheological variable stiffnessmagneto-rheological variable dampingabsorberacceleration feedbackLQG

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