Results 71 to 80 of about 166,700 (296)

Scan matching SLAM in underwater environments

open access: yesAutonomous Robots, 2013
This research work was partially sponsored by the Spanish project DPI2011-27977-C03-02 (COMAROB) and two European Commission's Seventh Framework Program 2007-2013 Projects: ICT-248497 (TRIDENT) and Marie Curie PERG-GA-2010-276778 (Surf3DSLAM). The dataset was acquired with the help of the members (staff and students) of the Computer Vision and Robotics
Mallios, Angelos   +3 more
openaire   +2 more sources

Bio‐Orthogonally Crosslinked Supramolecular Polymer Bottlebrush Hydrogels for Long‐Term 3D Cell Culture

open access: yesAdvanced Functional Materials, EarlyView.
Fibrous benzenetrispeptide (BTP) hydrogels, fabricated via strain‐promoted azide‐alkyne cycloaddition (SPAAC) crosslinking, form robust, bioinert networks. These hydrogels can support 3D cell culture, where cell viability and colony growth depend on the fiber content.
Ceren C. Pihlamagi   +5 more
wiley   +1 more source

Underwater Archaeology [PDF]

open access: yes, 2002
An overview of 'Underwater Archaeology'. The article covers a number of key themes in underwater archaeology i.e. methodology and techniques, effects of the environment, sites and structures, artifact conservation, curation, and ...
Delgado, J, Staniforth, Mark
core  

A LOW COST UNDERWATER TEST ENVIRONMENT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Abstract. In this paper we present the setup of a low cost underwater test environment. The employed materials and structures are described as well as the lessons learned during operations and experiments conducted in the water tank. We provide the bill of materials and a break-down of the costs involved in setting up the test site.The goal was to ...
J. van der Lucht, M. Bleier, A. Nüchter
openaire   +3 more sources

Block Copolymers: Emerging Building Blocks for Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
This review addresses how block copolymer (BCP) physics and rheology have led to the widespread use of BCPs in advanced additive manufacturing techniques, with particular emphasis on the untapped potential of these nanostructured materials toward achieving multi‐scale architected materials with unique, programmable material properties.
Alice S. Fergerson   +3 more
wiley   +1 more source

Target Search Control of AUV in Underwater Environment With Deep Reinforcement Learning

open access: yesIEEE Access, 2019
The autonomous underwater vehicle (AUV) is widely used to search for unknown targets in the complex underwater environment. Due to the unpredictability of the underwater environment, this paper combines the traditional frontier exploration method with ...
Xiang Cao, Changyin Sun, Mingzhong Yan
doaj   +1 more source

Navigation Control of an Automated Guided Underwater Robot using Neural Network Technique [PDF]

open access: yes, 2013
In recent years, under water robots play an important role in various under water operations. There is an increase in research in this area because of the application of autonomous underwater robots in several issues like exploring under water ...
Nepak, Prabhu Datta
core  

Through Diamond Robust Surface Enhanced Raman Spectroscopy

open access: yesAdvanced Functional Materials, EarlyView.
Thin film diamond growth offers a unique opportunity for Surface Enhanced Raman Spectroscopy (SERS); the encapsulation of plasmonic nanostructures within a transparent, chemically stable, and physically robust coating. The diamond acts as both a window and protective layer, enabling illumination of the plasmonic nanostructures through the diamond ...
Kieran N. Twaddle   +4 more
wiley   +1 more source

How to Chemically Protect PFAS‐Free Membranes in Fuel Cells: Radical Quenching Poly(vinylphosphonic acid) Layer

open access: yesAdvanced Functional Materials, EarlyView.
Hydrocarbon membranes are a greener alternative to PFSA in PEM fuel cells, but degrade rapidly from radical attack. We present a novel strategy using poly(vinylphosphonic acid) (PVPA) as a local radical scavenger. Incorporated as an interfacial barrier, PVPA enhances chemical stability and significantly extends membrane lifetime under accelerated ...
Hendrik Sannemüller   +6 more
wiley   +1 more source

Visual feedback–based heading control of autonomous underwater vehicle for pipeline corrosion inspection

open access: yesInternational Journal of Advanced Robotic Systems, 2017
Underwater robotics and imaging have emerged as an attractive field due to complications for human divers in a deepwater environment. Inspection of various installations in an underwater environment is carried out by underwater vehicles.
Amjad Khan   +5 more
doaj   +1 more source

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