Adaptive saturated control for spacecraft rendezvous and docking under motion constraints

X Zhao, S Zhang - Aerospace Science and Technology, 2021 - Elsevier
This paper investigates the problem of position tracking and attitude synchronization for
spacecraft rendezvous and docking with a tumbling target, in which kinematic couplings …

Deep learning computer vision for robotic disassembly and servicing applications

DP Brogan, NM DiFilippo, MK Jouaneh - Array, 2021 - Elsevier
Fastener detection is a necessary step for computer vision (CV) based robotic disassembly
and servicing applications. Deep learning (DL) provides a robust approach for creating CV …

Classification and Recognition Method of Non-Cooperative Objects Based on Deep Learning

Z Wang, Y Han, Y Zhang, J Hao, Y Zhang - Sensors, 2024 - mdpi.com
Accurately classifying and identifying non-cooperative targets is paramount for modern
space missions. This paper proposes an efficient method for classifying and recognizing non …

Relative pose determination of uncooperative spacecraft based on circle feature

Y Liu, S Zhang, X Zhao - Sensors, 2021 - mdpi.com
This paper investigates the problem of spacecraft relative navigation with respect to an
unknown target during the close-proximity operations in the on-orbit service system. The …

Research on docking ring pose estimation method based on point cloud grayscale image

S Zhang, J Li, W Zhang, W Zhou - Advances in Space Research, 2022 - Elsevier
The star-arrow docking ring is a ubiquitous structure on space vehicles and is often used as
a feature component for pose measurement and capture in non-cooperative space capture …

Applications of machine learning and monocular vision for autonomous on-orbit proximity operations

N Dhamani, G Martin, C Schubert, P Singh… - AIAA Scitech 2020 …, 2020 - arc.aiaa.org
Growing interest in on-orbit servicing, formation flight, and active debris removal drives the
need for cost-effective and robust space systems capable of performing autonomous …

Skeleton-based coordinate system construction method for non-cooperative targets

K Huang, Y Zhang, J Chen, F Ma, Z Tan, Z Xu, Z Jiao - Measurement, 2024 - Elsevier
Due to the lack of structure and part information in non-cooperative targets, the task of pose
estimation suffers from unstable and unreliable initial coordinate system. In this paper, we …

A depth information aided real-time instance segmentation method for space task scenarios under CPU platform

Q Li, Z Zhu, J Liang, H Zhang, Y Xu, Z Zhang - Acta Astronautica, 2023 - Elsevier
Visual instance segmentation ability is one of the effective means to promote the autonomy
and intelligence of space agents. However, due to the limited airborne computing capacity …

Semi-Analytical Midcourse Guidance for Coordinated Interception of Multiple Exo-Atmospheric Targets

G Zhang, B Pang, C Wen, X Song - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
The simultaneous interception of multiple exo-atmospheric threat targets can leave no buffer
time for the targets and greatly reduces targets' penetration probability. This paper proposes …

Motion prediction of tumbling uncooperative spacecraft during proximity operations

P Li, M Wang, Z Zhang, B Zhang, Y Wang - Applied Optics, 2024 - opg.optica.org
The relative attitude estimation between chasers and uncooperative targets is an important
prerequisite for executing in orbit service (OOS) tasks. Only by efficiently obtaining relative …