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目的测试水下训练航天服(含受试者)的重心、浮心间距。方法水下试验中,采用移动活动配重的方法改变服装前倾角度,通过图像采集与处理,计算出水下训练航天服的重心、浮心间距。结果某水下训练航天服的重心、浮心间距为3.52 cm。结论本文提出了一种水下训练航天服重心、浮心间距的测试方法,首次对服装中性浮力状态进行了定量分析。建议水下训练航天服各运动组成部分应分别达到中性浮力状态,并提出了进一步的研究思路。
Objective To test the center of gravity and the distance between centers of buoyancy training spacesuits (including subjects). Methods In the underwater test, the method of moving the active counterweights was adopted to change the garment anteversion angle. Through the image acquisition and processing, the center of gravity and the distance between the center of gravity and spacecraft were calculated. Results The center of gravity of a submarine training space suit was 3.52 cm. Conclusions This paper presents a test method for measuring the center of gravity and the distance between centers in a submarine training spacesuit. The neutral buoyancy of clothing is quantitatively analyzed for the first time. It is suggested that all sports components of underwater training spacesuit should reach the neutral buoyancy respectively and put forward further research ideas.