105 Hits in 9.6 sec

Feature Engineering for Surrogate Models of Consolidation Degree in Additive Manufacturing

Mriganka Roy, Olga Wodo
2021 Materials  
Building an SM for additive manufacturing (AM) process suffers from high dimensionality of inputs when part geometry or tool-path is considered in addition to the high cost of generating data from either  ...  This paper engineers features for a surrogate model to predict the consolidation degree in the fused filament fabrication process.  ...  Wang et al. built the surrogate model to predict the pull-up separation stress for printed parts in a stereo-lithography (SLA) process.  ... 
doi:10.3390/ma14092239 pmid:33925364 fatcat:do3l5hsscbajfe6f752n2l42fi

Tetrahedral Robotics for Space Exploration

Steven Curtis, Matthew Brandt, Greg Bowers, Gary Brown, Cynthia Cheung, Caner Cooperider, Mike Desch, Noah Desch, John Dorband, Kyle Gregory, Ken Lee, Allan Lunsford (+11 others)
2007 IEEE Aerospace and Electronic Systems Magazine  
An initial set of gaits and other behaviors are being tested, and accommodations for payloads such as sensor and telemetry packages are being studied.  ...  A reconfigurable space filling robotic architecture has a wide range of possible applications. One of the more intriguing possibilities is mobility in very irregular and otherwise impassable terrain.  ...  Note that components of the 3rd-generation struts have been fabricated by computer driven stereo lithography 3D plans constructed using Computer Aided Design software.  ... 
doi:10.1109/maes.2007.384077 fatcat:lucqi4a4svfr3fd62mmzjktoii

The Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) NASA Mission-of-Opportunity

D. J. McComas, F. Allegrini, J. Baldonado, B. Blake, P. C. Brandt, J. Burch, J. Clemmons, W. Crain, D. Delapp, R. DeMajistre, D. Everett, H. Fahr (+29 others)
2009 Space Science Reviews  
The TWINS Mission-of-Opportunity is dedicated to the memory of Phil Barker, who was the original TWINS Project Manager and served in that capacity until his death in 2003.  ...  Phil was a good friend to the entire TWINS team, and his brave battle with colon cancer throughout the development of much of the TWINS mission hardware was an inspiration to the team. Figure  ...  The DPU is comprised of two boards, the data processor (DP) and interface (IO) boards, designed specifically for the TWINS instrument to optimize for low power, low mass, and fast telemetry processing.  ... 
doi:10.1007/s11214-008-9467-4 fatcat:dtknohqsbve5jjpx7rnciuxkme

Efficient energy based modeling and experimental validation of liquid filling in planar micro-fluidic components and networks

I. Treise, N. Fortner, B. Shapiro, A. Hightower
2005 Lab on a Chip  
This fast 'reconfigure the network and simulate in seconds' capability is essential for the design of truly complex networks that will enable the next generation of passive, micro-fluidic, lab-on-a-chip  ...  It takes us only a few minutes to evaluate the model for a planar component of any shape using the Surface Evolver software, and this is significantly less then the computer run time required for CFD simulations  ...  Acknowledgements The authors would like to thank Ken Brakke for making his Surface Evolver software freely available.  ... 
doi:10.1039/b409680k pmid:15726205 fatcat:w2b3j5x4m5hotjgz7atxikiy4a

Signal Formation Processes in Micromegas Detectors and Quality Control for large size Detector Construction for the ATLAS New Small Wheel [article]

Fabian Kuger
2017 arXiv   pre-print
Based on a model of detector parameter dependencies, these processes are scrutinized in an iterating comparison between exper- imental results, theory prediction of the macroscopic observables and process  ...  Utilizing the specialized detectors developed in the scope of this thesis as well as refined simulation algorithms, an unprecedented level of accuracy in the process description is reached, deepening the  ...  Besides the remaining bias, this study yielded the up-to-date most precise compar- ison of experimental electron loss data with simulation prediction for an extended set of Micromeshes.  ... 
arXiv:1708.01624v2 fatcat:jotewwh6c5evvhwd7hleuipjaa

Spherical torus concept as power plants—the ARIES-ST study

F Najmabadi
2003 Fusion engineering and design  
The ARIES-ST study has highlighted many areas where trade-off among physics and engineering systems are critical in determining the optimum regime of operation for ST power plants. # Fusion Engineering  ...  The on-axis toroidal field of 2.1 T and the peak field at the TF coil of 7.4 T led to 329 MW of Joule losses in the normal-conducting TF system.  ...  As in the stereo-lithography process, the new material is applied only where required to form the 3-D part.  ... 
doi:10.1016/s0920-3796(02)00302-2 fatcat:2znzthx32rhpfhnlgbups5hnoq

Chiroptical Metamaterials and Their Use in Bio-Sensing [article]

Morten Slyngborg
2016 Ph.d.-serien for Det Teknisk-Naturvidenskabelige Fakultet, Aalborg Universitet  
Then the monolayer was left to stabilize for one hour, before the substrate was slowly pulled up, with or without barriers compressing.  ...  However, MOZYME 37 utilizes a localized molecular orbital method that allows for processing a system of 15 000 atoms in a very fast timescale compared to other solutions.  ...  Paper C Langmuir, submitted May 2016 166 The Physical Properties and Self-Assembly Potential of the RFFFR Peptide  ... 
doi:10.5278/ fatcat:bee6ylk3qzclxdaazuojxdoc3u

Near-Complete Photon Spin Selectivity in a Metasurface of Anisotropic Plasmonic Antennas

Robin Ogier, Yurui Fang, Mikael Käll, Mikael Svedendahl
2015 Physical Review X  
I fabricated the samples and took part in the optical experiments, performed parts of the numerical simulations, participated in the data analysis and resulting discussions and drafted the paper.  ...  Plasmonics, one of the fields of nanophotonics, study collective free electron oscillations driven by light in metallic nanostructures and interfaces.  ...  Generally, nanostructure production falls into two categories: bottom-up, and top-down. All the nanostructures presented in Papers II-IV were realized through hole-mask colloidal lithography.  ... 
doi:10.1103/physrevx.5.041019 fatcat:okx6giyvtrdxxaawkikjrv2c4q

Power pulsing of the CALICE tile hadron calorimeter

Mathias Reinecke
2016 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)  
This achievement was recognised through the award of the 2015 Nobel prize for physics to the leaders of the SNO and Super-Kamiokande experiments for the conclusive establishment of the phenomenon of neutrino  ...  Nevertheless, as a result of a series of innovative large experiments in the last 20 years, we have learnt a great deal about neutrinos.  ...  The AdvaPIX interface is compact, fast (1700 fps with Timepix), plug-and-play and easy to use. Fast readout allows imaging in so called event-by-event mode processing each detected particle (e.g.  ... 
doi:10.1109/nssmic.2016.8069748 fatcat:zjgd7dmfdbhntb4kfwdtrlejhi

Remotely Powered Propulsion of Helical Nanobelts [chapter]

Gilgueng Hwang, Stéphane Régnier
2016 Encyclopedia of Nanotechnology  
Synonyms Bond-order potential; REBO Definition Reactive empirical bond-order potentials are interatomic energy functions used in molecular dynamics simulation and modeling of nanosystems where an accurate  ...  but efficient description of chemical reactivity is required.  ...  industry, closing the bottom-up cycle.  ... 
doi:10.1007/978-94-017-9780-1_204 fatcat:6mgkahuskvex3lg42y2iexjusa

Refractometric Sensing Using Plasmonic Nanoparticles [chapter]

Erik Martinsson, Daniel Aili
2016 Encyclopedia of Nanotechnology  
Synonyms Bond-order potential; REBO Definition Reactive empirical bond-order potentials are interatomic energy functions used in molecular dynamics simulation and modeling of nanosystems where an accurate  ...  but efficient description of chemical reactivity is required.  ...  industry, closing the bottom-up cycle.  ... 
doi:10.1007/978-94-017-9780-1_100984 fatcat:mfkokslav5fddendtnn2mjcuoy

Additive manufacturing: scientific and technological challenges, market uptake and opportunities

Syed A.M. Tofail, Elias P. Koumoulos, Amit Bandyopadhyay, Susmita Bose, Lisa O'Donoghue, Costas Charitidis
2018 Materials Today  
The good news is that there is a significant interest in industry for taking up AM as one of the main production engineering route.  ...  Additive manufacturing (AM) is fundamentally different from traditional formative or subtractive manufacturing in that it is the closest to the 'bottom up' manufacturing where a structure can be built  ...  The market: a drive from 'lab' to 'fab' Since the first patent granted in 1986 [76] and the first 3D printing machine (stereo-lithography based) built in the late 1980s by 3D Systems, the market for  ... 
doi:10.1016/j.mattod.2017.07.001 fatcat:gsalib542vd4hjhyrj3cx56kaq

9th Laser Display and Lighting Conference: Abstract Book

Kazuo Kuroda, Hiroshi Murata
2020 9th Laser Display and Lighting Conference  
This work has been supported by the European Union in the Horizon2020 ICT-04-2018 project Enhance Lighting for the Internet of Things (ELIOT) [8].  ...  In this paper, we have introduced the structure and application of such Sokuiki-sensors.  ...  Experimental set-up The experimental set-up for the modulation of RGB semiconductor laser modules is shown in Fig. 1 .  ... 
doi:10.1117/12.2574806 fatcat:zu6picunx5cyfi5uq3gfnixzfi

Table of Contents

2016 Australian Journal of Primary Health  
In order to improve grasping, we present a novel approach of grasp quality prediction where we use Gaussian process technique using Takktile sensors data to predict grasp quality.  ...  The results show this approach makes accurate predictions of excitation force over short time horizons (up to 15 seconds), but accurate predictions become infeasible for longer horizons.  ... 
doi:10.1071/pyv22n4toc fatcat:hrwhnxdpjreslhuwi7y4edqmo4

The D0 Silicon Microstrip Tracker

S.N. Ahmed, R. Angstadt, M. Aoki, B. Åsman, S. Austin, L. Bagby, E. Barberis, P. Baringer, A. Bean, A. Bischoff, F. Blekman, T.A. Bolton (+122 others)
2011 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
In addition, description of the performance of the detector during the experiment data collection between 2001 and 2010 is provided.  ...  This paper describes the mechanical design, the readout chain, the production, testing and the installation of the Silicon Microstrip Tracker of the D0 experiment at the Fermilab Tevatron collider.  ...  Especially we would like thank George Ginther and Susan Blessing for their thorough reading of the draft and for giving countless useful comments and suggestions.  ... 
doi:10.1016/j.nima.2010.11.121 fatcat:yzlqjcphenbvjdxes4cwgwuthm
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