| CABLE-DRIVEN ROBOTS |
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Transfer characteristics of high-speed cable forces for spacecraft separation |
| HOU Senhao1, TANG Xiaoqiang1,2, SUN Haining1, CUI Zhiwei1, WANG Dianjun3 |
1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
2. Beijing Key Laboratory of Precision/Ultra-Precision Manufacturing Equipments and Control, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China;
3. Beijing Institute of Petrochemical Technology, Beijing 102617, China |
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Abstract Ground simulation tests of spacecraft separation require accurate force predictions as the key link in the tests. This study analyzed the cable force transfer during high-speed spacecraft separation tests. A dynamic model of the cable hoist system was developed based on Newton's laws. The second-order partial differential equation for the test function was then solved using spatial discretization. The solution predicted the force on the rope as it moved to study the factors influencing the force. The model accuracy was verified by numerical examples. The results show that the model can accurately simulate the force on the rope for high-speed spacecraft separation tests.
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| Keywords
spacecraft separation
cable hoist system
dynamic model
high-speed cable force transfer
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Issue Date: 06 March 2021
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2021,
Vol. 61
