Results 91 to 100 of about 7,113,489 (311)

Handbook of Establishing and Maintaining Oxygen‐Free Atmospheres

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a practical framework for creating oxygen‐free atmospheres at ambient pressure using silane‐doped inert gases. The results show that ultra‐low oxygen levels and strongly reduced water content can be achieved through controlled silane dosing, drying systems, and sensor monitoring.
Sascha Jan Zimmermann   +3 more
wiley   +1 more source

Rapid SLAM Method for Star Surface Rover in Unstructured Space Environments

open access: yesAerospace
The space environment is characterized by unstructured features, sparsity, and poor lighting conditions. The difficulty in extracting features from the visual frontend of traditional SLAM methods results in poor localization and time-consuming issues ...
Zhengpeng Zhang   +3 more
doaj   +1 more source

Efficient Robotic Grasping in Unstructured Environments

open access: yes, 2022
Robots that physically interact with their environment have the potential to automate repetitive tasks in warehouses, hospitals, and homes. However, current applications of robotic manipulation are mostly constrained to well-controlled environments such as assembly lines.
openaire   +2 more sources

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz   +4 more
wiley   +1 more source

Tracking Tagged Inventory in Unstructured Environments Through Probabilistic Dependency Graphs

open access: yesLogistics, 2019
Logging and tracking raw materials, workpieces and engineered products for seamless and quick pulls is a complex task in the construction and shipbuilding industries due to lack of structured storage solutions.
Mabaran Rajaraman   +2 more
doaj   +1 more source

An evaluation of scaffolding for virtual interactive tutorials [PDF]

open access: yes, 2002
Scaffolding refers to a temporary support framework used during construction. Applied to teaching and learning it describes measures to support a learner to become confident and self-reliant in a subject. In a Web environment scaffolding features need to
Pahl, Claus
core  

Walking in unstructured natural environments

open access: yes, 1996
In this paper we present a complete behavior-based controller that allows a six legged robot to walk in unstructured environments. the task of walking on rough terrain is decomposed in two subtasks: terrain adaptation and movement generation. The first one maintains the stability of the robot while the second is in charge of the advance movement.
Porta, Josep M., Celaya, Enric
openaire   +1 more source

Application of Raman and Photoluminescence Spectroscopy to MgO‐C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
Visible to near infrared luminescence of MgO is studied on MgO‐C bricks and nominally pure MgO powder, with focus on two similar sharp high‐intensity signals, at 699 and 871 nm, each surrounded by symmetrical sidebands. The nature of these sidebands is investigated by temperature‐dependent spectroscopic measurements, confirming phonon involvement by ...
Julia Richter   +5 more
wiley   +1 more source

Robotic perception and control for a demolition task in unstructured environments [PDF]

open access: yes
The construction industry is a capital-intensive sector that has steadily turned towards mechanized and automated solutions in the last few decades. However, due to some specificities of this field, it is still technologically behind other sectors, like ...
CORUCCI, FRANCESCO
core  

Composition‐Tuned Enhancement of the Anomalous Nernst Effect in FeCo–Pt Thin Films on Rigid and Flexible Substrates

open access: yesAdvanced Engineering Materials, EarlyView.
Disordered (Fe50Co50)1−xPtx thin films exhibit a pronounced anomalous Nernst effect (ANE) with a strong composition dependence on both rigid and flexible substrates. The transverse thermoelectric response peaks near 22.5 at.% Pt, accompanied by enhanced αxy/σxy scaling, thermal transport, and ANE sensitivity.
Mojtaba Mohammadi   +2 more
wiley   +1 more source

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