航天服软式上躯干主动适体方法
收稿日期: 2015-03-23
修回日期: 2015-05-11
网络出版日期: 2015-06-09
基金资助
载人航天领域预先研究项目(040301)
Active fit method for spacesuit soft upper torso
Received date: 2015-03-23
Revised date: 2015-05-11
Online published: 2015-06-09
Supported by
Advance Research Project in Manned Spaceflight Fund (040301)
上躯干结构是航天服的基础部件,对服装的适体性具有直接影响。上躯干的适体性设计分为被动适体和主动适体,其中主动适体可实现软式上躯干结构的形态调节,获得最大程度的适体效果。应用Stewart平台原理开展软式上躯干主动适体方法研究。首先,探讨分析了Stewart平台的特点与运动学;其次,将Stewart平台控制原理应用于软式上躯干主动适体设计,提出了针对肩法兰的主动适体方法;再次,分析了主动适体方法的运动学,建立了主动适体方法的数学模型,并通过模型计算了主动适体方法的性能;最后,搭建了软式上躯干主动适体样机,开展了主动适体方法实验。研究结果表明,建立的针对肩法兰的软式上躯干结构主动适体方法可以有效地调节肩法兰的空间位置、角度,满足上躯干的主动适体要求,证明了应用Stewart平台建立主动适体方法的可行性。研究结果为未来航天服的适体性设计提供了参考。
李元丰 , 张万欣 , 李猛 . 航天服软式上躯干主动适体方法[J]. 航空学报, 2016 , 37(4) : 1363 -1373 . DOI: 10.7527/S1000-6893.2015.0149
The upper torso is the foundation of the spacesuit, which makes it of significant influence on the spacesuit fit. There are two types of fit design of the upper torso:the passive fit design and the active fit design. The active fit design method realizes the reconfiguration of the soft upper torso, which achieves the best spacesuit fit. The Stewart platform is applied in the fit design of upper torso to research the active fit design method for soft spacesuit upper torso. First of all, the characteristic and kinematics of the Stewart platform are analyzed. Secondly, the active fit design method of upper torso is proposed by applying the Stewart platform to upper torso. Thirdly, the mathematical model of the active fit design method is built based on kinematics analysis of the active fit design method. What is more, the performance of the active fit design method is calculated by the model. Finally, after the manufacture of the experimental model, the active fit design method experiment is conducted. The consequence of study elucidates that the active fit design method for the soft upper torso is effective in the scye bearing adjusting, meeting the fit requirement of the upper torso, which testifies the validity of the active fit design method based on Stewart platform. The research of the active fit design method for the upper torso provides some reference for the fit design of spacesuit in the future.
Key words： spacesuit; soft upper torso; fit design; active fit method; Stewart platform
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