基于伞式导杆机构的变体头锥设计与仿真

果晓东; 李君兰; 陈炜铧; 余良; 祝玉兰; 阎绍泽

doi:10.3788/OPE.20182602.0336

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基于伞式导杆机构的变体头锥设计与仿真

微纳技术与精密机械 | 更新时间：2020-07-05

- 基于伞式导杆机构的变体头锥设计与仿真
- Design and simulation of morphing nose cone for umbrella guide-rod mechanism
- 光学精密工程 2018年26卷第2期页码：336-343
- 作者机构：
  
  1.清华大学摩擦学国家重点实验室机械工程系, 北京 100084
  2.天津大学机械工程学院, 天津 300072
- 作者简介：
  
  [ "果晓东(1990-), 男, 河北秦皇岛人, 博士研究生, 主要从事仿生变体头锥的研究。E-mail:gxd13@mails.tsinghua.edu.cn" ]
  [ "阎绍泽(1964-), 男, 吉林松原人, 教授, 1987年、1990年、1996年于天津大学分别获得学士、硕士、博士学位, 主要从事机械系统动力学、航天动力学与可靠性和智能结构设计与昆虫仿生的研究。E-mail:yansz@mail.tsinghua.edu.cn" ]
- 基金信息：
  
  国家自然科学基金资助项目(51475258)
- DOI：10.3788/OPE.20182602.0336
  中图分类号： TH112.1;TH113.22
- 收稿日期：2017-09-11，
  
  录用日期：2017-11-1，
  
  纸质出版日期：2018-02-25
- 稿件说明：
移动端阅览
果晓东, 李君兰, 陈炜铧, 等. 基于伞式导杆机构的变体头锥设计与仿真[J]. 光学精密工程, 2018,26(2):336-343.

Xiao-dong GUO, Jun-lan LI, Wei-hua CHEN, et al. Design and simulation of morphing nose cone for umbrella guide-rod mechanism[J]. Optics and precision engineering, 2018, 26(2): 336-343.
果晓东, 李君兰, 陈炜铧, 等. 基于伞式导杆机构的变体头锥设计与仿真[J]. 光学精密工程, 2018,26(2):336-343. DOI： 10.3788/OPE.20182602.0336.

Xiao-dong GUO, Jun-lan LI, Wei-hua CHEN, et al. Design and simulation of morphing nose cone for umbrella guide-rod mechanism[J]. Optics and precision engineering, 2018, 26(2): 336-343. DOI： 10.3788/OPE.20182602.0336.

摘要

可变体头锥结构是改善空天飞行器气动性能的一种有效途径。为了实现空天飞行器对复杂环境的自适应性，本文基于伞式导杆机构设计了空天飞行器变体头锥结构，探讨了变体头锥的运动特性和运动平稳性。仿真分析了不同驱动方式下头锥变体过程中的运动学特性，得到了影响变体头锥工作性能和系统稳定性的主要因素。分析结果表明，所设计的变体头锥结构伸长量为1 499.6 mm，偏转量为500.7 mm，满足设计要求；与采用匀速运动模式相比，采用正弦运动规律驱动模式，基于伞式导杆机构的变体头锥具有较好的运动特性和运动平稳性。

Abstract

The morphing nose cone for aerospace vehicle will provide a novel way for improving aerodynamic performance of reentry vehicle. In order to realize adaptability of the aerospace vehicle to the complex environment

a morphing nose cone of aerospace vehicle was presented by using a series of umbrella guide-rod mechanisms

and its kinematic characteristics and system stability were analyzed. Kinematic simulation analysis of the morphing nose cone under different driving modes was carried out to find out the influence of the main factors on its operation performance and system stability. Simulation results showed that the elongation and the deflection of the morphing nose cone were 1 499.6 mm and 500.7 mm

respectively

which meet the requirements of design. Comparing with driving mode of the constant speed

driving mode of the sinusoidal motion can makes the morphing nose cone running more stable.

关键词

Keywords

references

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