Abstract
The inflatable solar array (ISA) is a new kind of solar array deployed by gas to be injected into its supporting booms. ISA advanced researches are concisely reviewed, and then a model of segmented inflatable volume control for inflatable supporting booms is presented. The deployment dynamics of the Z-folded ISA is simulated by LS-DYNA for the space environment when deployment of the supporting booms is free and constrained in axial direction. Variations of the gas pressure in the supporting booms and the dynamic characteristics of the upper beam are analyzed as well as the out-of-plane oscillates of array blankets. Contact impact between the supporting booms and the array blankets of ISA is predicted; moreover this simulation is validated by a deployment test for the suspended ISA. The results show that the calculation can predict the deployment process of ISA in the space.
| Original language | English |
|---|---|
| Pages (from-to) | 322-326 |
| Number of pages | 5 |
| Journal | Yuhang Xuebao/Journal of Astronautics |
| Volume | 28 |
| Issue number | 2 |
| State | Published - Mar 2007 |
Keywords
- Deployment
- Dynamics
- Inflatable
- Simulation
- Solar array
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