Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method

Baichun Gong, Shuang Li, Lili Zheng, Jinglang Feng

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A closed-form solution to the angles-only initial relative orbit determination (IROD) problem for space rendezvous with non-cooperated target is developed, where a method of hybrid dynamics with the concept of virtual formation is introduced to analytically solve the problem. Emphasis is placed on developing the solution based on hybrid dynamics (i.e., Clohessy-Wiltshire equations and two-body dynamics), obtaining formation geometries that produce relative orbit state observability, and deriving the approximate analytic error covariance for the IROD solution. A standard Monte Carlo simulation system based on two-body dynamics is used to verify the feasibility and evaluate the performance proposed algorithms. The sensitivity of the solution accuracy to the formation geometry, observation numbers is presented and discussed.

Original languageEnglish
Pages (from-to)221-234
Number of pages14
JournalCMES - Computer Modeling in Engineering and Sciences
Volume122
Issue number1
DOIs
Publication statusPublished - 1 Jan 2020

Fingerprint

Space rendezvous
Rendezvous
Orbits
Orbit
Angle
Geometry
Observability
Closed-form Solution
Simulation System
Monte Carlo Simulation
Verify
Target
Evaluate

Keywords

  • angles-only measurement
  • covariance analysis
  • relative orbit determination
  • space rendezvous

Cite this

Gong, B., Li, S., Zheng, L., & Feng, J. (2020). Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method. CMES - Computer Modeling in Engineering and Sciences, 122(1), 221-234. https://doi.org/10.32604/cmes.2020.07769
Gong, Baichun ; Li, Shuang ; Zheng, Lili ; Feng, Jinglang. / Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method. In: CMES - Computer Modeling in Engineering and Sciences. 2020 ; Vol. 122, No. 1. pp. 221-234.
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Gong, B, Li, S, Zheng, L & Feng, J 2020, 'Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method', CMES - Computer Modeling in Engineering and Sciences, vol. 122, no. 1, pp. 221-234. https://doi.org/10.32604/cmes.2020.07769

Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method. / Gong, Baichun; Li, Shuang; Zheng, Lili; Feng, Jinglang.

In: CMES - Computer Modeling in Engineering and Sciences, Vol. 122, No. 1, 01.01.2020, p. 221-234.

Research output: Contribution to journalArticle

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AB - A closed-form solution to the angles-only initial relative orbit determination (IROD) problem for space rendezvous with non-cooperated target is developed, where a method of hybrid dynamics with the concept of virtual formation is introduced to analytically solve the problem. Emphasis is placed on developing the solution based on hybrid dynamics (i.e., Clohessy-Wiltshire equations and two-body dynamics), obtaining formation geometries that produce relative orbit state observability, and deriving the approximate analytic error covariance for the IROD solution. A standard Monte Carlo simulation system based on two-body dynamics is used to verify the feasibility and evaluate the performance proposed algorithms. The sensitivity of the solution accuracy to the formation geometry, observation numbers is presented and discussed.

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Gong B, Li S, Zheng L, Feng J. Analytic initial relative orbit solution for angles-only space rendezvous using hybrid dynamics method. CMES - Computer Modeling in Engineering and Sciences. 2020 Jan 1;122(1):221-234. https://doi.org/10.32604/cmes.2020.07769