Volume 34 Issue 05
May  2008
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Tan Chunlin, Pang Baojun, Zhang Lingyan, et al. Multidisciplinary optimization in earth observation satellite main parameters[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(05): 529-532. (in Chinese)
Citation: Tan Chunlin, Pang Baojun, Zhang Lingyan, et al. Multidisciplinary optimization in earth observation satellite main parameters[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(05): 529-532. (in Chinese)

Multidisciplinary optimization in earth observation satellite main parameters

  • Received Date: 08 May 2007
  • Publish Date: 31 May 2008
  • A model of multidisciplinary design optimization (MDO) was established for the system parameter design problem of an earth observation satellite. It takes the observation performance as the objective of optimization, while the design variables and constraints are dealt with five main subsystems including attitude and orbit control, power, structures, propulsion, payload, besides constraints made by launch vehicle and the analysis modules modeled by empirical formula. A multidisciplinary design optimization framework was established by using the collaborative optimization (CO) method, and exterior penalty technique was using to change the constrained question into an unconstrained question during system level optimization, so as to improve numerical difficulties in CO method application. The results show that the earth observation performance can be improved by this optimization method and the method was efficient. The modeling and optimization method of the work can be expected to apply to practical engineering satellite parameters design.

     

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