Laser & Optoelectronics Progress, Volume. 60, Issue 17, 1725001(2023)
Analysis of On-Orbit Performance of Solar Cells for Sun Vector Determination
Fig. 1. Layout diagram of (a) differential sun sensors and (b) coarse sun sensors
Fig. 2. Schematic diagram of normal direction corresponding to coarse sun sensor (CSS)
Fig. 3. Schematic diagram of angle error between sun vector determined by different sun sensors
Fig. 4. Cosine curve and Kelly cosine curve
Fig. 5. Real-time telemetry data corresponding to voltage outputs of coarse sun sensor (2019‒01‒20)
Fig. 6. Delay telemetry data corresponding to outputs of coarse sun sensor (2019‒01‒20). (a) Outputs corresponding to +X/-X CSSs; (b) outputs corresponding to +Y/-Y CSSs; (c) outputs corresponding to +Z/-Z CSSs
Fig. 7. Variation curves of sun vectors determined by different sun sensors (2018-11-20). (a) Differential sun sensor; (b) coarse sun sensor
Fig. 8. Sun angle variation curves (2018-11-20). (a) Differential sun sensor; (b) coarse sun sensor
Fig. 9. Variation curves sun vectors determined by different sun sensors (2021-12-13). (a) Differential sun sensor; (b) coarse sun sensor
Fig. 10. Sun angle variation curves (2022-06-06)
Fig. 11. Variation curves of sun vectors determined by different sun sensors (2022-06-06). (a) Differential sun sensor; (b) coarse sun sensor
Fig. 12. Maximum output variation curves corresponding to CSS-2 (2021-12-13)
Fig. 13. Schematic diagram of cosine curve, Kelly cosine curve, polynomial fitting curve, and fitted Kelly cosine curve
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Xiwang Xia, Han Du, Keke Zhang. Analysis of On-Orbit Performance of Solar Cells for Sun Vector Determination[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1725001
Category: OPTOELECTRONICS
Received: Jan. 16, 2023
Accepted: Feb. 16, 2023
Published Online: Sep. 13, 2023
The Author Email: Xia Xiwang (x_xiwang@163.com), Du Han (hedydu@163.com)