Abstract
To solve the multidisciplinary design optimization (MDO) problem of a space maneuvering vehicle (SMV) under complex interdisciplinary coupling, a MDO solution technique considering continuous-discrete mixed variables is developed. Based on the requirements of the SMV conceptual scheme design, a MDO model containing orbital system, power system, structure system, propulsion system and GNC system is constructed. For the corresponding mixed variable MDO problem, a modified MDO architecture is proposed to solve the corresponding mixed variable MDO problem via variable transformation method and a mixed variable MDO process. Total mass of the optimized SMV has been reduced by 18.1% compared with the original scheme, the effectiveness and applicability of this proposed method are proved. The comparison between the variable transformation method and the direct optimization method indicates that the method proposed in this paper has a better efficiency and reliability over the others.
| Original language | English |
|---|---|
| Pages (from-to) | 1253-1262 |
| Number of pages | 10 |
| Journal | Yuhang Xuebao/Journal of Astronautics |
| Volume | 38 |
| Issue number | 12 |
| DOIs | |
| State | Published - 30 Dec 2017 |
Keywords
- MDO architecture
- Mixed variable optimization
- Multidisciplinary design optimization (MDO)
- Space maneuvering vehicle (SMV)
- Variable transformation method
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