CubeSpec: development of the payload control unit for a high-resolution spectroscopy CubeSat

Sibo Van Gool; Jan Goris; Gert Raskin; Bart Vandenbussche; Hugues Sana; Jeroen De Maeyer; Leonardo Peri; Jorden Windey; Pierre Royer; Wim De Munter; Wannes Verstraeten; Jakob Pember; Tjorven Delabie; Maddalena Reggiani; Philippe Neuville; Dominic Bowman; Andrew Tkachenko; Dirk Vandepitte

doi:10.1117/12.3017965

23 August 2024 CubeSpec: development of the payload control unit for a high-resolution spectroscopy CubeSat

Sibo Van Gool, Jan Goris, Gert Raskin, Bart Vandenbussche, Hugues Sana, Jeroen De Maeyer, Leonardo Peri, Jorden Windey, Pierre Royer, Wim De Munter, Wannes Verstraeten, Jakob Pember, Tjorven Delabie, Maddalena Reggiani, Philippe Neuville, Dominic Bowman, Andrew Tkachenko, Dirk Vandepitte

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130922S (2024) https://doi.org/10.1117/12.3017965
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

KU Leuven’s CubeSpec mission is pioneering the use of a CubeSat platform for advanced space-based spectroscopy.1 This innovation is partly due to its payload electronics, which must be space-efficient and powerconscious. To achieve exceptional pointing accuracy, CubeSpec employs a High-Pointing Precision Platform (HPPP) that works in tandem with the onboard Attitude Determination and Control System (ADCS). The HPPP utilizes a Fine Steering Mirror (FSM), controlled by piezo actuators, to direct light precisely onto the spectrograph slit. The design incorporates a DC-DC boost converter and a linear amplifier to meet the highvoltage demands of the piezo actuators. The HPPP setup is controlled in a closed-loop system with a Fine Guidance Sensor (FGS), a CMOS detector, and strain gauges that provide real-time feedback. The spectrograph output is captured by the Science Detector, which is the same detector model as the FGS. Due to stringent time requirements, a Xilinx Zynq 7000 FPGA manages the detector readout. The payload processor can communicate with the OBC over a CAN bus employing the CubeSat Space Protocol. This paper outlines the current progression in the development of CubeSpec’s payload electronics.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Sibo Van Gool, Jan Goris, Gert Raskin, Bart Vandenbussche, Hugues Sana, Jeroen De Maeyer, Leonardo Peri, Jorden Windey, Pierre Royer, Wim De Munter, Wannes Verstraeten, Jakob Pember, Tjorven Delabie, Maddalena Reggiani, Philippe Neuville, Dominic Bowman, Andrew Tkachenko, and Dirk Vandepitte "CubeSpec: development of the payload control unit for a high-resolution spectroscopy CubeSat", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130922S (23 August 2024); https://doi.org/10.1117/12.3017965

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