Study on vibration and control method of solar wing of Tianzhou-1 cargo spacecraft

Xingxing Shi; Jingyue Xu; Jinling Lv; Lijiang Wang; Zhiliang Yu

doi:10.1117/12.2645954

23 January 2023 Study on vibration and control method of solar wing of Tianzhou-1 cargo spacecraft

Xingxing Shi, Jingyue Xu, Jinling Lv, Lijiang Wang, Zhiliang Yu

Proceedings Volume 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology; 125572Y (2023) https://doi.org/10.1117/12.2645954
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

"Tianzhou-1" cargo spacecraft is an important part of China's manned stations. Its main task is to add propellant and transport goods for the manned stations, and bring the station waste back to the atmosphere for burning. The "Tianzhou1" series cargo spacecraft is the backbone of the material supply of China's manned stations. The energy of cargo spacecraft in space comes from the flexible solar wing, but the solar wing is easy to vibrate by the unstable excitation from the platform. To solve this problem, the vibration response of the flexible solar wing system is analyzed, and the dynamic model of the flexible solar wing is established. On this basis, the control system is designed by using negative velocity feedback and linear quadratic optimal regulator, and then the vibration is suppressed. Finally, the experimental verification of vibration control of flexible solar wing of cargo spacecraft is realized by designing the experimental system of peripheral circuit, driving circuit and position detection circuit of processor based on DSP + FPGA. Through experimental verification, the system can realize the vibration suppression function of the extension mechanism with high disturbance, and realize the engineering application that the large flexible solar wing can expand and close repeatedly and smoothly. It has certain application value and provides reference for subsequent engineering applications.

Citation Download Citation

Xingxing Shi, Jingyue Xu, Jinling Lv, Lijiang Wang, and Zhiliang Yu "Study on vibration and control method of solar wing of Tianzhou-1 cargo spacecraft", Proc. SPIE 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology, 125572Y (23 January 2023); https://doi.org/10.1117/12.2645954

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KEYWORDS

Space operations

Digital signal processing

Control systems

Field programmable gate arrays

Signal processing

Vibration control

Bridges

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