CubeSats for Gamma-Ray Astronomy

Bloser, Peter; Murphy, David; Fiore, Fabrizio; Perkins, Jeremy

doi:10.1007/978-981-19-6960-7_53

Handbook of X-Ray and Gamma-Ray Astrophysics 2024

DOI: 10.1007/978-981-19-6960-7_53

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CubeSats for Gamma-Ray Astronomy

Peter Bloser,

David Murphy,

Fabrizio Fiore

et al.

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2024

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Cited by 1 publication

References 70 publications

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Model-Based Design and Testbed for CubeSat Attitude Determination and Control System with Magnetic Actuation

Ticona Coaquira,

Wang,

Vidaurre Torrez

et al. 2024

Applied Sciences

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This study introduces a robust model-based framework designed for the verification and validation (V&V) of Attitude Determination and Control Systems (ADCSs) in nanosatellites, focusing on magnetic actuation while still being applicable to larger spacecraft platforms. By employing Model-in-the-Loop (MIL), Software-in-the-Loop (SIL), Processor-in-the-Loop (PIL), and Hardware-in-the-Loop (HIL) methodologies, this framework enables a thorough and systematic approach to testing and validation. The framework facilitates the assessment of long-term maneuvers, addressing challenges such as initial small-attitude errors and restricted 3D movements. Two specific maneuvers are evaluated: detumbling and nadir pointing, utilizing quaternions and a comprehensive suite of sensors, including six sun sensors, a three-axis magnetometer, a three-axis gyroscope, GPS, and three magnetorquers. The methodologies—MIL, SIL, PIL, and HIL—integrate the behaviors of digital sensors, analog signals, and astrodynamic perturbations. Based on an optimized SIL environment, Monte Carlo simulations were performed to optimize control gains for nadir pointing, achieving a mean pointing accuracy of 11.69° (MIL) and 18.22° (PIL), and an angular velocity norm of 0.0022 rad/s for detumbling. The HIL environment demonstrated a mean pointing accuracy of 9.96° and an angular velocity norm of 0.0024 rad/s. This comprehensive framework significantly advances the design and verification processes for nanosatellite ADCSs, enhancing the reliability and performance of nanosatellite missions.

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Model-Based Design and Testbed for CubeSat Attitude Determination and Control System with Magnetic Actuation

Ticona Coaquira,

Wang,

Vidaurre Torrez

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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CubeSats for Gamma-Ray Astronomy

Cited by 1 publication

References 70 publications

Model-Based Design and Testbed for CubeSat Attitude Determination and Control System with Magnetic Actuation

Model-Based Design and Testbed for CubeSat Attitude Determination and Control System with Magnetic Actuation

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