Dual-Layer Factor-Graph Optimization for Delayed Star-Tracker/IMU Fusion in Highly Dynamic Spacecraft Attitude Estimation

Accurate attitude estimation for highly dynamic spacecraft relies on robust fusion of star-tracker and inertial measurements. However, asynchronous sensing, motion blur in star images, and delayed star-tracker outputs can significantly degrade estimation accuracy and temporal consistency. To address...

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Váldodahkkit:	Chao Zhang, Yanjun Yu, Huayi Li
Materiálatiipa:	Artigo
Giella:	Inglês
Almmustuhtton:	MDPI AG 2026-07-01
Ráidu:	Sensors
Fáttát:	spacecraft attitude estimation factor graph optimization delayed measurement asynchronous sensor fusion
Liŋkkat:	https://www.mdpi.com/1424-8220/26/13/4155
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