Uncertainty-oriented optimal impedance control for EPS-human system with reliability evaluation
This study proposes an interval optimal impedance control method for the electric power
steering-human (EPS-H) system with reliability constraints. Considering the relationship …
steering-human (EPS-H) system with reliability constraints. Considering the relationship …
Autonomous spacecraft collision avoidance with a variable number of space debris based on safe reinforcement learning
C Mu, S Liu, M Lu, Z Liu, L Cui, K Wang - Aerospace Science and …, 2024 - Elsevier
The avoidance of multiple space debris collisions by autonomous spacecraft has garnered
significant interests worldwide. Applying deep reinforcement learning (DRL) to autonomous …
significant interests worldwide. Applying deep reinforcement learning (DRL) to autonomous …
On-policy and off-policy Q-learning strategies for spacecraft systems: An approach for time-varying discrete-time without controllability assumption of augmented …
H Nguyen, HB Dang, PN Dao - Aerospace Science and Technology, 2024 - Elsevier
This article investigates two On-policy and Off-policy Q-learning algorithms for time-varying
linear discrete-time systems (DTSs) in the presence of complete dynamic uncertainties. To …
linear discrete-time systems (DTSs) in the presence of complete dynamic uncertainties. To …
Dynamic Modeling and Improved Nonlinear Model Predictive Control of a Free-Floating Dual-Arm Space Robot
Z Guo, H Ju, C Lu, K Wang - Applied Sciences, 2024 - mdpi.com
With the increasing demand for space missions, space robots have become the focus of
research and attention. As a typical representative, the free-floating dual-arm space robot …
research and attention. As a typical representative, the free-floating dual-arm space robot …
Robust attitude control of a flexible satellite assembled with a partially expanded coilable mast
L Fan, Y Xing, Z He, Q Zhang, Z Chen - Aerospace Science and …, 2024 - Elsevier
This paper investigates the attitude control system of a flexible satellite consisting of a rigid
main-satellite, a partially expanded coilable mast and a rigid sub-satellite. Multiple critical …
main-satellite, a partially expanded coilable mast and a rigid sub-satellite. Multiple critical …
Fuzzy PI vibration suppression control strategy for space double flexible telescopic manipulator with fractional disturbance observer
X Liu, M Wang, Y Zheng, X Wang - Aerospace Science and Technology, 2024 - Elsevier
The space double flexible telescopic manipulator (SDFTM) with time-varying length, is
called the space flexible manipulator and can carry out reciprocating linear telescopic …
called the space flexible manipulator and can carry out reciprocating linear telescopic …
Motion planning of free-floating space robots for tracking tumbling targets by two-axis matching via reinforcement learning
Z Dong, Y Zhu, L Wang, Y Wu, Y Guo - Aerospace Science and Technology, 2024 - Elsevier
The increasing amount of space debris poses a persistent threat to the safety of spacecraft.
These non-cooperative targets are generally in a tumbling state, which places stringent …
These non-cooperative targets are generally in a tumbling state, which places stringent …
[HTML][HTML] Reinforcement Learning-Based Pose Coordination Planning Capture Strategy for Space Non-Cooperative Targets
Z Peng, C Wang - Aerospace, 2024 - mdpi.com
During the process of capturing non-cooperative targets in space, space robots have strict
constraints on the position and orientation of the end-effector. Traditional methods typically …
constraints on the position and orientation of the end-effector. Traditional methods typically …