Space manipulator optimal impedance control using integral reinforcement learning

H Wu, Q Hu, Y Shi, J Zheng, K Sun, J Wang - Aerospace Science and …, 2023 - Elsevier
This paper examines the optimal impedance control problem for large-scale space
manipulator operational tasks with unknown contact dynamics and partial measurements …

Hyper-redundant manipulators for operations in confined space: Typical applications, key technologies, and grand challenges

Z Mu, L Zhang, L Yan, Z Li, R Dong… - … on Aerospace and …, 2022 - ieeexplore.ieee.org
In this article, we review the state of the art in hyper-redundant manipulators for applications
in confined space such as on-orbit services. With their multiple degrees of freedom and …

An integrated tracking control approach based on reinforcement learning for a continuum robot in space capture missions

D Jiang, Z Cai, Z Liu, H Peng, Z Wu - Journal of Aerospace …, 2022 - ascelibrary.org
In this paper, an integrated tracking control approach was developed for a continuum robot
in space capture missions. For the configuration of a three-module cable-driven continuum …

Space robot performance during tangent capture of an uncontrolled target satellite

K Seweryn, FL Basmadji, T Rybus - The Journal of the Astronautical …, 2022 - Springer
This paper presents an analysis of the capture of an uncontrolled target satellite by a
manipulator mounted on a chaser spacecraft. We compare our novel technique, called …

Space Manipulator Collision Avoidance Using a Deep Reinforcement Learning Control

J Blaise, MCF Bazzocchi - Aerospace, 2023 - mdpi.com
Recent efforts in on-orbit servicing, manufacturing, and debris removal have accentuated
some of the challenges related to close-proximity space manipulation. Orbital debris …

Compliance resistance collision control for operating a space robot to capture a non-cooperative spacecraft

R Wang, X Liu, R Ji, G Cai, F Xu - Aerospace Science and Technology, 2024 - Elsevier
Collision between the grasper and the target is unavoidable in robotic-arm-based non-
cooperative spacecraft capture missions, potentially leading to various adverse effects. For …

Stabilization control for spacecraft-manipulator system after capturing tumbling target

R Chang, Q Jia, M Chu - International Journal of Control, Automation and …, 2022 - Springer
Non-cooperative target capturing is a great challenge for space robots among space tasks,
because of the difficulty of target detumbling and base stability maintaining, which …

Event-triggered adaptive NN tracking control for nonlinear systems with asymmetric time-varying output constraints and application to an AUVs

G Zong, Y Wang, B Niu, SF Su… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper studies the event-triggered adaptive neural network (NN) tracking control
problem for autonomous underwater vehicle system (AUVs) with deferred asymmetric time …

Position/Force Control for a Dual-Arm Space Manipulator Gripping and Transporting an Unknown Target Without Grapple Fixtures

M Wang, L Zong, J Yuan - IEEE Transactions on Aerospace …, 2023 - ieeexplore.ieee.org
This article proposes a position and force control method for a dual-arm space manipulator
to grip and transport an unknown target without grapple fixtures. The hierarchical sliding …

Dynamic manipulability measure for on-orbit manipulation by frictional contacts

L Chen, Z Zheng, J Yuan - Proceedings of the Institution of …, 2022 - journals.sagepub.com
Due to unilateral constraints of frictional contacts and the dynamic coupling phenomenon,
the study on the unfixed manipulation through frictional contacts for multi-arm space robots …