Laboratory experiments for validating spacecraft attitude control laws

Junoh Jung, Dongwook Koh, Sang-Young Park, Kyu Hong Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, the control technology test system using the Hardware-In-the-Loop Simulator (HILS) to ensure reliability of spacecraft attitude configurations has received considerable attention. In this paper, we present solid experiments to validate spacecraft control algorithms using an air-bearing attitude control simulator. The HILS consists of three momentum wheels and eight cold gas thrusters for three-axis attitude actuations. An adaptive controller is utilized to estimate mass properties such as the mass distribution and moment of inertia of the system before any performance test of the HILS is conducted. A Proportional Integral Derivative (PID) controller, a bang-bang and a Pulse-Width and Pulse-Frequency (PWPF) modulator are applied to the actuator's operation. In addition, spacecraft attitude controllers employing the theories of state feedback design, a Lyapunov-based adaptive controller and the Modified Rodrigues Parameters (MRPs) concept describing spacecraft attitude motion are tested by HILS. Moreover, tracking control laws are simultaneously implemented to HILS by utilizing both momentum wheels and thrusters. All controllers are implemented in the software, based on the simulator's using the PC 104, which is an embedded computer (on-board PC) communicating with a host PC and attitude sensors. As the results reveal, the simulation successfully demonstrates the capability of the HILS, and the experiments appropriately validate the numerous spacecraft attitude control algorithms for spacecraft with momentum wheels and thrusters.

Original languageEnglish
Title of host publication60th International Astronautical Congress 2009, IAC 2009
Pages4946-4955
Number of pages10
Publication statusPublished - 2009 Dec 1
Event60th International Astronautical Congress 2009, IAC 2009 - Daejeon, Korea, Republic of
Duration: 2009 Oct 122009 Oct 16

Publication series

Name60th International Astronautical Congress 2009, IAC 2009
Volume6

Other

Other60th International Astronautical Congress 2009, IAC 2009
CountryKorea, Republic of
CityDaejeon
Period09/10/1209/10/16

Fingerprint

attitude control
simulators
simulator
spacecraft
hardware
controllers
wheels
momentum
spacecraft control
communicating
gas bearings
laboratory experiment
cold gas
performance tests
moments of inertia
mass distribution
actuation
inertia
modulators
pulse duration

All Science Journal Classification (ASJC) codes

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Jung, J., Koh, D., Park, S-Y., & Choi, K. H. (2009). Laboratory experiments for validating spacecraft attitude control laws. In 60th International Astronautical Congress 2009, IAC 2009 (pp. 4946-4955). (60th International Astronautical Congress 2009, IAC 2009; Vol. 6).
Jung, Junoh ; Koh, Dongwook ; Park, Sang-Young ; Choi, Kyu Hong. / Laboratory experiments for validating spacecraft attitude control laws. 60th International Astronautical Congress 2009, IAC 2009. 2009. pp. 4946-4955 (60th International Astronautical Congress 2009, IAC 2009).
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abstract = "Recently, the control technology test system using the Hardware-In-the-Loop Simulator (HILS) to ensure reliability of spacecraft attitude configurations has received considerable attention. In this paper, we present solid experiments to validate spacecraft control algorithms using an air-bearing attitude control simulator. The HILS consists of three momentum wheels and eight cold gas thrusters for three-axis attitude actuations. An adaptive controller is utilized to estimate mass properties such as the mass distribution and moment of inertia of the system before any performance test of the HILS is conducted. A Proportional Integral Derivative (PID) controller, a bang-bang and a Pulse-Width and Pulse-Frequency (PWPF) modulator are applied to the actuator's operation. In addition, spacecraft attitude controllers employing the theories of state feedback design, a Lyapunov-based adaptive controller and the Modified Rodrigues Parameters (MRPs) concept describing spacecraft attitude motion are tested by HILS. Moreover, tracking control laws are simultaneously implemented to HILS by utilizing both momentum wheels and thrusters. All controllers are implemented in the software, based on the simulator's using the PC 104, which is an embedded computer (on-board PC) communicating with a host PC and attitude sensors. As the results reveal, the simulation successfully demonstrates the capability of the HILS, and the experiments appropriately validate the numerous spacecraft attitude control algorithms for spacecraft with momentum wheels and thrusters.",
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Jung, J, Koh, D, Park, S-Y & Choi, KH 2009, Laboratory experiments for validating spacecraft attitude control laws. in 60th International Astronautical Congress 2009, IAC 2009. 60th International Astronautical Congress 2009, IAC 2009, vol. 6, pp. 4946-4955, 60th International Astronautical Congress 2009, IAC 2009, Daejeon, Korea, Republic of, 09/10/12.

Laboratory experiments for validating spacecraft attitude control laws. / Jung, Junoh; Koh, Dongwook; Park, Sang-Young; Choi, Kyu Hong.

60th International Astronautical Congress 2009, IAC 2009. 2009. p. 4946-4955 (60th International Astronautical Congress 2009, IAC 2009; Vol. 6).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Jung J, Koh D, Park S-Y, Choi KH. Laboratory experiments for validating spacecraft attitude control laws. In 60th International Astronautical Congress 2009, IAC 2009. 2009. p. 4946-4955. (60th International Astronautical Congress 2009, IAC 2009).