Results 21 to 30 of about 4,519,982 (305)

Momentum dumping for space robots [PDF]

open access: yes2017 IEEE 56th Annual Conference on Decision and Control (CDC), 2017
During the robotic capture of a target object on orbit, accidental contacts may happen. During contacts, momentum is transferred to the system, causing a drift of the space robot in the inertial space. When no remediation is taken, the arm might converge to singularity or workspace limit within seconds, compromising the capture operation.
Giordano, Alessandro Massimo   +2 more
openaire   +2 more sources

Neural-Network-Based Terminal Sliding Mode Control of Space Robot Actuated by Control Moment Gyros

open access: yesAerospace, 2022
This paper studies the trajectory tracking control of a space robot system (SRS) in the presence of the lumped uncertainties with no prior knowledge of their upper bound.
Xinhui Xia   +3 more
doaj   +1 more source

A Survey of Space Robotic Technologies for On-Orbit Assembly

open access: yesSpace: Science & Technology, 2022
The construction of large structures is one of the main development trends of the space exploration in the future, such as large space stations, large space solar power stations, and large space telescopes.
Delun Li   +5 more
doaj   +1 more source

Impedance Control for a Free-Floating Robot in the Grasping of a Tumbling Target with Parameter Uncertainty [PDF]

open access: yes, 2006
This paper addresses an impedance control for free-floating space robot in the grasping of a tumbling target with model uncertainty. Firstly, the operational space dynamics for a free-floating robot is derived with a novel, computationally efficient ...
Abiko, Satoko   +5 more
core   +1 more source

Robot introspection through learned hidden Markov models [PDF]

open access: yes, 2006
In this paper we describe a machine learning approach for acquiring a model of a robot behaviour from raw sensor data. We are interested in automating the acquisition of behavioural models to provide a robot with an introspective capability.
Maria Fox   +7 more
core   +2 more sources

Task Planning of Space-Robot Clusters Based on Modified Differential Evolution Algorithm

open access: yesApplied Sciences, 2020
This study studies the problem of on-orbit maintenance task planning for space-robot clusters. Aiming at the problem of low maintenance efficiency of space-robot cluster task-planning, this study proposes a cluster-task-planning method based on energy ...
Pengfei Xiao   +3 more
doaj   +1 more source

Generating Feasible Trajectories for Autonomous On-Orbit Grasping of Spinning Debris in a Useful Time [PDF]

open access: yes, 2013
The grasping and stabilization of a spinning, noncooperative target satellite by means of a free-flying robot is addressed. A method for computing feasible robot trajectories for grasping a target with known geometry in a useful time is presented ...
Hirzinger, Gerd   +3 more
core   +1 more source

Dynamic update of a virtual cell for programming and safe monitoring of an industrial robot [PDF]

open access: yes, 2012
A hardware/software architecture for robot motion planning and on-line safe monitoring has been developed with the objective to assure high flexibility in production control, safety for workers and machinery, with user-friendly interface.
Indri, Marina   +3 more
core   +1 more source

Algorithms for Mobile Robot Localization and Mapping, Incorporating Detailed Noise Modeling and Multi-scale Feature Extraction [PDF]

open access: yes, 2006
Mobile robot localization and mapping in unknown environments is a fundamental requirement for effective autonomous navigation. Three different approaches to localization and mapping are presented.
Pfister, Samuel Thomas
core   +1 more source

Experimental Examination of Automatic Tether Winding Method Using Kinetic Energy in Tether Space Mobility Device

open access: yesAutomation, 2022
Tethers (strings and wires) are used in various mechanical systems because they are lightweight and have excellent storability. Examples of such systems include elevators and cranes.
Kazuki Nirayama   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy