Results 51 to 60 of about 271,699 (362)

A Pre-Grasping Motion Planning Method Based on Improved Artificial Potential Field for Continuum Robots

open access: yesSensors, 2023
Secure and reliable active debris removal methods are crucial for maintaining the stability of the space environment. Continuum robots, with their hyper-redundant degrees of freedom, offer the ability to capture targets of varying sizes and shapes ...
Lihua Wang   +6 more
doaj   +1 more source

Combining Magnetic and Electric Sails for Interstellar Deceleration

open access: yes, 2016
The main benefit of an interstellar mission is to carry out in-situ measurements within a target star system. To allow for extended in-situ measurements, the spacecraft needs to be decelerated.
Hein, Andreas M., Perakis, Nikolaos
core   +3 more sources

Predicting Performance of Hall Effect Ion Source Using Machine Learning

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This study introduces HallNN, a machine learning tool for predicting Hall effect ion source performance using a neural network ensemble trained on data generated from numerical simulations. HallNN provides faster and more accurate predictions than numerical methods and traditional scaling laws, making it valuable for designing and optimizing Hall ...
Jaehong Park   +8 more
wiley   +1 more source

Joint Three-dimensional Location Algorithm for Airborne Interferometric SAR System

open access: yesLeida xuebao, 2013
Joint three-dimensional location algorithm aims to get the north, east and height coordinates of each pixel in several adjacent Interferometric Synthetic Aperture Radar (InSAR) scenes simultaneously.
Mao Yong-fei   +2 more
doaj   +1 more source

Motion Estimation of Non-Cooperative Space Objects Based on Monocular Sequence Images

open access: yesApplied Sciences, 2022
The motion estimation of non-cooperative space objects is an important prerequisite for successfully completing on-orbit servicing, debris removing and asteroid exploration missions. The motion estimation of non-cooperative space objects is a challenging
Runran Deng   +4 more
doaj   +1 more source

Fractal patterns in fractionated spacecraft [PDF]

open access: yes, 2011
Multi spacecraft architectures have been addressed in response to the demand for flexible architectures with high reliability and reduced costs compared to traditional monolithic spacecraft.
Punzo, Giuliano
core  

Spacecraft tracking with the SKA

open access: yesNew Astronomy Reviews, 2004
6 pages, 4 figures, to appear in "Science with the Square Kilometer Array", eds. C. Carilli and S. Rawlings, New Astronomy Reviews (Elsevier: Amsterdam)
openaire   +3 more sources

Deep Learning Based Large‐Area Contact Sensing for Safe Human–Robot Interaction Using Conformal Kirigami Structure‐Enabled Robotic E‐Skin

open access: yesAdvanced Intelligent Systems, EarlyView.
This work presents a collision detection technique for robots, using piezoelectric sensors and deep learning to identify collision locations and intensities. A large area conformal kirigami design enables cost‐effective sensor deployment on complex surfaces.
Rui Jiao   +10 more
wiley   +1 more source

Synthetic Aperture Interferometric Passive Radiometer Imaging to Locate Electromagnetic Leakage From Spacecraft Surface

open access: yesIET Circuits, Devices and Systems
The localization of electromagnetic radiation leakage through cabin gaps is a critical and challenging aspect of electromagnetic compatibility (EMC) design for spacecraft with complex electromagnetic environments.
Yuting Zhang   +3 more
doaj   +1 more source

Fiber Optic Acoustic Vibration Sensors for Ultrasound Measurement in Low-Pressure CO₂ Environment

open access: yesIEEE Access, 2020
The detection of acoustic signals in the Martian environment is significant to understand the issues such as the evolution of the universe, structure of matter, origin of life, and future migration of humans.
Jingchuan Zhang, Yifei Pei, Xiyuan Li
doaj   +1 more source

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