Results 31 to 40 of about 66,871 (310)

Assembly Strategy for Modular Components Using a Dual-Arm Space Robot with Flexible Appendages

open access: yesAerospace, 2022
Space robotic systems tend to be more flexible and equipped with some appendages, such as solar panels and communication antennas. The inevitable vibration in the flexible appendage will occur during space missions, and it in turn affects the attitude of
Shuji Yang   +4 more
doaj   +1 more source

Robot introspection through learned hidden Markov models

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   +11 more
core   +1 more source

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

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

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

CSCMTrack: Cross-Scale Correlation Modeling for Event-Based UAV Tracking

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
With the rapid emergence of the low-altitude economy, the deployment scale of uncrewed aerial vehicle (UAV) systems has also experienced substantial growth.
Yuchen Zhao   +5 more
doaj   +1 more source

Master assisted cooperative control of human and robot

open access: yes, 1996
A cooperative control approach between human and robot takes an important role to carry out various tasks in hazardous environments or space. In this case, a robot is operated based on the cooperation between direct human control and autonomous robot ...
Inoue, Hiroyuki   +3 more
core   +1 more source

A Tangent Release Manipulation Controlled by a Dual-Arm Space Robot

open access: yesActuators, 2023
As people further develop space with advanced technology, space robots have played a significant role in on-orbit servicing missions. Space robots can carry out more risky and complicated missions with less cost than astronauts. Dual-arm space robots can
Xiaoyi Wang, Jayantha Katupitiya
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

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

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

"Sticky Hands": learning and generalization for cooperative physical interactions with a humanoid robot [PDF]

open access: yes, 2005
"Sticky Hands" is a physical game for two people involving gentle contact with the hands. The aim is to develop relaxed and elegant motion together, achieve physical sensitivity-improving reactions, and experience an interaction at an intimate yet ...
Hale, J.G., Pollick, F.E.
core   +1 more source

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