Hardware Simulations of Spacecraft Attitude Synchronization Using Lyapunov-Based Controllers

Juno Jung, Sang-Young Park, Youngho Eun, Sung Woo Kim, Chandeok Park

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In the near future, space missions with multiple spacecraft are expected to replace traditional missions with a single large spacecraft. These spacecraft formation flying missions generally require precise knowledge of relative position and attitude between neighboring agents. In this study, among the several challenging issues, we focus on the technique to control spacecraft attitude synchronization in formation. We develop a number of nonlinear control schemes based on the Lyapunov stability theorem and considering special situations: full-state feedback control, full-state feedback control with unknown inertia parameters, and output feedback control without angular velocity measurements. All the proposed controllers offer absolute and relative control using reaction wheel assembly for both regulator and tracking problems. In addition to the numerical simulations, an air-bearing-based hardware-in-the-loop (HIL) system is used to verify the proposed control laws in real-time hardware environments. The pointing errors converge to 0.5 with numerical simulations and to 2 using the HIL system. Consequently, both numerical and hardware simulations confirm the performance of the spacecraft attitude synchronization algorithms developed in this study.

Original languageEnglish
Pages (from-to)120-138
Number of pages19
JournalInternational Journal of Aeronautical and Space Sciences
Volume19
Issue number1
DOIs
Publication statusPublished - 2018 Mar 1

Fingerprint

Spacecraft
Synchronization
Hardware
Controllers
Computer hardware
Feedback control
State feedback
Bearings (structural)
Computer simulation
Angular velocity
Angle measurement
Velocity measurement
Wheels
Computer systems
Air

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Materials Science(all)
  • Aerospace Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "In the near future, space missions with multiple spacecraft are expected to replace traditional missions with a single large spacecraft. These spacecraft formation flying missions generally require precise knowledge of relative position and attitude between neighboring agents. In this study, among the several challenging issues, we focus on the technique to control spacecraft attitude synchronization in formation. We develop a number of nonlinear control schemes based on the Lyapunov stability theorem and considering special situations: full-state feedback control, full-state feedback control with unknown inertia parameters, and output feedback control without angular velocity measurements. All the proposed controllers offer absolute and relative control using reaction wheel assembly for both regulator and tracking problems. In addition to the numerical simulations, an air-bearing-based hardware-in-the-loop (HIL) system is used to verify the proposed control laws in real-time hardware environments. The pointing errors converge to 0.5 ∘ with numerical simulations and to 2 ∘ using the HIL system. Consequently, both numerical and hardware simulations confirm the performance of the spacecraft attitude synchronization algorithms developed in this study.",
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Hardware Simulations of Spacecraft Attitude Synchronization Using Lyapunov-Based Controllers. / Jung, Juno; Park, Sang-Young; Eun, Youngho; Kim, Sung Woo; Park, Chandeok.

In: International Journal of Aeronautical and Space Sciences, Vol. 19, No. 1, 01.03.2018, p. 120-138.

Research output: Contribution to journalArticle

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