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Wang, Jihe; Nakasuka, Shinichi

Cluster flight orbit design method for fractionated spacecraft

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  • Medientyp: E-Artikel
  • Titel: Cluster flight orbit design method for fractionated spacecraft
  • Beteiligte: Wang, Jihe; Nakasuka, Shinichi
  • Erschienen: Emerald, 2012
  • Erschienen in: Aircraft Engineering and Aerospace Technology
  • Sprache: Englisch
  • DOI: 10.1108/00022661211255511
  • ISSN: 0002-2667
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:sec><jats:title content-type="abstract-heading">Purpose</jats:title><jats:p>The purpose of this paper is to propose an intuitive and effective cluster flight orbit design method for fractionated spacecraft.</jats:p></jats:sec><jats:sec><jats:title content-type="abstract-heading">Design/methodology/approach</jats:title><jats:p>Based on the concept of fractionated spacecraft, orbit design requirements for cluster flight in the case of fractionated spacecraft are proposed, and categorized into three requirements: stabilization requirement, passive safety requirement, and the maximum inter‐satellite distance requirement. These design requirements are then reformulated in terms of relative eccentricity and inclination vectors (E/I vectors) using a relative motion model based on relative orbital elements (ROEs). By using ROEs theory, the cluster flight orbit design issue is modelled as the distribution of relative E/I vectors for each member satellite in the cluster, and solved by combining three different heuristic search methods and one nonlinear programming (NLP) method.</jats:p></jats:sec><jats:sec><jats:title content-type="abstract-heading">Findings</jats:title><jats:p>The simulation results show that the NLP method is valid and efficient in solving the cluster flight orbit design problem and that for some cluster flight scenarios, the heuristic search methods can be adopted to give feasible solutions without the NLP method.</jats:p></jats:sec><jats:sec><jats:title content-type="abstract-heading">Research limitations/implications</jats:title><jats:p>The cluster flight scenario in this paper is limited because the cluster should be in the near‐circular low earth orbit (LEO), and the relative distance between the member satellites should be small enough to satisfy the relative motion linearization assumption.</jats:p></jats:sec><jats:sec><jats:title content-type="abstract-heading">Practical implications</jats:title><jats:p>The cluster flight orbit design method proposed in this paper can be applied by fractionated spacecraft mission designers to propose potential cluster flight orbit solutions.</jats:p></jats:sec><jats:sec><jats:title content-type="abstract-heading">Originality/value</jats:title><jats:p>In this paper, the relative E/I vectors method is adopted to propose an intuitive and effective cluster flight orbit design method for fractionated spacecraft.</jats:p></jats:sec>