Development of a hardware-in-the-loop testbed to demonstrate multiple spacecraft operations in proximity

Youngho Eun, Sang-Young Park, Geuk Nam Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper presents a new state-of-the-art ground-based hardware-in-the-loop test facility, which was developed to verify and demonstrate autonomous guidance, navigation, and control algorithms for space proximity operations and formation flying maneuvers. The test facility consists of two complete spaceflight simulators, an aluminum-based operational arena, and a set of infrared motion tracking cameras; thus, the testbed is capable of representing space activities under circumstances prevailing on the ground. The spaceflight simulators have a maximum of five-degree-of-freedom in a quasi-momentum-free environment, which is produced by a set of linear/hemispherical air-bearings and a horizontally leveled operational arena. The tracking system measures the real-time three-dimensional position and attitude to provide state variables to the agents. The design of the testbed is illustrated in detail for every element throughout the paper. The practical hardware characteristics of the active/passive measurement units and internal actuators are identified in detail from various perspectives. These experimental results support the successful development of the entire facility and enable us to implement and verify the spacecraft proximity operation strategy in the near future.

Original languageEnglish
Pages (from-to)48-58
Number of pages11
JournalActa Astronautica
Volume147
DOIs
Publication statusPublished - 2018 Jun 1

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Test facilities
Testbeds
Computer hardware
Spacecraft
Bearings (structural)
Simulators
Hardware
Units of measurement
Degrees of freedom (mechanics)
Momentum
Navigation
Actuators
Cameras
Infrared radiation
Aluminum
Air

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

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Development of a hardware-in-the-loop testbed to demonstrate multiple spacecraft operations in proximity. / Eun, Youngho; Park, Sang-Young; Kim, Geuk Nam.

In: Acta Astronautica, Vol. 147, 01.06.2018, p. 48-58.

Research output: Contribution to journalArticle

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