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A Novel Concept for the Study of Heterogeneous Robotic Swarms
Swarmanoid: a novel concept for the study of heterogeneous robotic swarms M. Dorigo, D. Floreano, L. M. Gambardella, F. Mondada, S. Nolfi, T. Baaboura, M. Birattari, M. Bonani, M. Brambilla, A. Brutschy, D. Burnier, A. Campo, A. L. Christensen, A. Decugni`ere, G. Di Caro, F. Ducatelle, E. Ferrante, A. F¨orster, J. Martinez Gonzales, J. Guzzi, V. Longchamp, S. Magnenat, N. Mathews, M. Montes de Oca, R. O’Grady, C. Pinciroli, G. Pini, P. R´etornaz, J. Roberts, V. Sperati, T. Stirling, A. Stranieri, T. St¨utzle, V. Trianni, E. Tuci, A. E. Turgut, and F. Vaussard. IRIDIA – Technical Report Series Technical Report No. TR/IRIDIA/2011-014 July 2011 IRIDIA – Technical Report Series ISSN 1781-3794 Published by: IRIDIA, Institut de Recherches Interdisciplinaires et de D´eveloppements en Intelligence Artificielle Universite´ Libre de Bruxelles Av F. D. Roosevelt 50, CP 194/6 1050 Bruxelles, Belgium Technical report number TR/IRIDIA/2011-014 The information provided is the sole responsibility of the authors and does not necessarily reflect the opinion of the members of IRIDIA. The authors take full responsibility for any copyright breaches that may result from publication of this paper in the IRIDIA – Technical Report Series. IRIDIA is not responsible for any use that might be made of data appearing in this publication. IEEE ROBOTICS & AUTOMATION MAGAZINE, VOL. X, NO. X, MONTH 20XX 1 Swarmanoid: a novel concept for the study of heterogeneous robotic swarms Marco Dorigo, Dario Floreano, Luca Maria Gambardella, Francesco Mondada, Stefano Nolfi, Tarek Baaboura, -
Projet™ 6000 3D Professional Printer
ProJet™ 6000 3D Professional Printer Facility Requirements Guide Original Instructions Rev. D, P/N 40-D095 1. Table of Contents . 2 1.1 02.0 What is a Facility Requirements Guide . 3 1.2 03.0 Symbols Used in this Guide . 4 1.3 04.0 The ProJet™ 6000 System . 5 1.4 05.0 Facility Guidelines . 6 1.4.1 05.1 Moving Equipment and Access for System Installation . 7 1.4.2 05.2 ProJet™ 6000 Physical Dimensions . 8 1.4.3 05.3 Floor Specifications . 11 1.4.4 05.4 Room Size . 12 1.4.5 05.5 Electrical Requirements . 13 1.4.6 05.6 Client Workstation Requirements to Operate 3DManage . 14 1.4.7 05.7 Network Interface . 15 1.4.8 05.8 Safety Information . 16 1.4.9 05.9 Print Material Handling and Safety . 17 1.5 06.0 Operating Environment . 20 1.5.1 06.1 Air Quality and Temperature . 21 1.5.2 06.2 Humidity . 22 1.5.3 06.3 Lighting . 23 1.5.4 06.4 Vibration and Shock . 24 1.6 07.0 Limitations of Liability . 25 1.7 08.0 Safety Notice . 26 1.8 09.0 Thank You . 27 1.9 10.0 Contacting 3D Systems . 28 1.10 11.0 Ancillary Supplies and Equipment . 30 1.11 12.0 Initial Site Survey Checklist . 31 1.12 13.0 3D Connect Service . 33 1.13 14.0 Pre-Installation Checklist . 34 Table of Contents 02.0 What is a Facility Requirements Guide 03.0 Symbols Used in this Guide 04.0 The ProJet™ 6000 System 05.0 Facility Guidelines 05.1 Moving Equipment and Access for System Installation 05.2 ProJet™ 6000 Physical Dimensions 05.3 Floor Specifications 05.4 Room Size 05.5 Electrical Requirements 05.6 Client Workstation Requirements to Operate 3DManage 05.7 Network Interface 05.8 Safety -
(SAM) Alloy Parts Using X-Ray CT
Research Article ISSN 2639-9466 Nanotechnology & Applications Porosity Determination and Characterization of Binder Jet Printed Structural Amorphous Metal (SAM) Alloy Parts Using X-Ray CT Amamchukwu B. Ilogebe1*, Benedict Uzochukwu2, and Amy M. Elliot3 1North Carolina A&T State University, US. *Correspondence: Amamchukwu B. Ilogebe, North Carolina A&T State University, 2Virginia State University, US. US. 3Oak Ridge National Laboratory, US. Received: 04 November 2019; Accepted: 29 November 2019 Citation: Amamchukwu B. Ilogebe, Benedict Uzochukwu, Amy M. Elliot. Porosity Determination and Characterization of Binder Jet Printed Structural Amorphous Metal (SAM) Alloy Parts Using X-Ray CT. Nano Tech Appl. 2019; 2(1): 1-6. ABSTRACT The advent of Binder jet additive manufacturing continued to a revelation in the manufacture of intricate metal parts. This technology has been utilized in medical, aerospace and automotive industries, not much has been reported in the printing of parts from amorphous metal powders, which have found numerous applications in engineering because of their special properties. In this research, special emphasis was placed on two different manufacturing methods for structural amorphous metal alloy (SAM alloy); Die compaction and Binder jet printing. Samples of SAM alloy was created from these two-manufacturing methods and were subsequently, sintered, analyzed and compared. Previous studies show that as much as up to 50% porosity could be recorded in binder jet printing [1,2]. In this regard, different techniques were used to determine the percentage porosity from both manufacturing methods. The Archimedes method was used to determine the density and percentage porosity of the parts from the two methods. Similarly, percentage porosity was also determined using different tools in computed tomography (CT) analysis. -
SLS Systems User's Guide
S SLS ™ process user’s guide Thank-you for purchasing 3D Systems® SLS® equipment and DuraForm® materials. Before you start building parts in your SLS™ process facility, please read this guide carefully to enjoy optimum process performance and longer equipment service life. Original Instructions CONTENTS Contents ` About This Guide . 2 ` IRS & IPC. 133 ` Safety . 9 ` SLS System . 180 ` SLS Process . .43 ` BOS . 208 ` Prepare to Build . .55 ` Contacting 3D Systems . 242 ` Build Parts. .73 ` Glossary . 245 ` Break Out Parts . .90 ` Index. 268 ` RCM . .101 L In accordance with laboratory equipment safety standards (EN61010-1, Sect. 5.4.4). If this equipment is used in a manner not specified by the manufacturer, protection provided by the equipment may be impaired. Observe all warning labels, and conform to all safety rules described in this manual. Document 23348-M12-00 Revision B August 2017 Copyright © 2006 by 3D Systems Corporation. All rights reserved. 3D Systems, the 3D logo, Sinterstation, sPro, SLS, and DuraForm are registered trademarks of 3D Systems, Inc. Other trademarks are the property of their respective owners. SLS process user’s guide ABOUT THIS GUIDE This guide describes how to create finished SLS parts made of DuraForm® PA plastic powder laser sintering (LS) material using 3D Systems’ sPro SLS® system and SLS equipment. ` What’s Inside?. .3 ` Instruction Formats . 6 ` Hazard Warnings. .5 ` Other Useful Documents . 7 SLS process 3 ABOUT THIS GUIDE user’s guide what’s inside? What’s Inside? This SLS Process User’s Guide includes the SLS Process Procedures sections summarized below. General safety The instructions in these four sections step you guidelines are presented first. -
Local Expellee Monuments and the Contestation of German Postwar Memory
To Our Dead: Local Expellee Monuments and the Contestation of German Postwar Memory by Jeffrey P. Luppes A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Germanic Languages and Literatures) in The University of Michigan 2010 Doctoral Committee: Professor Andrei S. Markovits, Chair Professor Geoff Eley Associate Professor Julia C. Hell Associate Professor Johannes von Moltke © Jeffrey P. Luppes 2010 To My Parents ii ACKNOWLEDGMENTS Writing a dissertation is a long, arduous, and often lonely exercise. Fortunately, I have had unbelievable support from many people. First and foremost, I would like to thank my advisor and dissertation committee chair, Andrei S. Markovits. Andy has played the largest role in my development as a scholar. In fact, his seminal works on German politics, German history, collective memory, anti-Americanism, and sports influenced me intellectually even before I arrived in Ann Arbor. The opportunity to learn from and work with him was the main reason I wanted to attend the University of Michigan. The decision to come here has paid off immeasurably. Andy has always pushed me to do my best and has been a huge inspiration—both professionally and personally—from the start. His motivational skills and dedication to his students are unmatched. Twice, he gave me the opportunity to assist in the teaching of his very popular undergraduate course on sports and society. He was also always quick to provide recommendation letters and signatures for my many fellowship applications. Most importantly, Andy helped me rethink, re-work, and revise this dissertation at a crucial point. -
DMP Factory 500
DMP Factory 500 Scalable metal additive manufacturing for seamless large parts GF Machining Solutions : all about you When all you need is everything, it’s good to know that there is one company that you can count on to deliver complete solutions and services. From world-class electrical discharge machines (EDM), Laser texturing and Additive Manufacturing through to first-class Milling and Spindles, Tooling, Automation and software systems - all backed by unrivalled customer service and support - we, through our AgieCharmilles, Microlution, Mikron Mill, Liechti, Step-Tec and System 3R technologies, help you raise your game and increase your competitive edge. 3D Systems : Making 3D production real 3D Systems is a global 3D solutions company focused on connecting our customers with the expertise and digital manufacturing workflow required to meet their business, design and engineering needs. From digitalization, design and simulation through manufacturing, inspection and management, our comprehensive portfolio of technologies provides a seamless, customizable workflow designed to optimize products and processes while accelerating outcomes. With advanced hardware, software and materials as well as on demand manufacturing services and a global team of experts, we are on a mission to transform businesses through manufacturing innovation. 2 Market introduction 4 Contents Meet the AM factory 6 Modular concept for scalability 8 Integrating additive manufacturing 9 with traditional technologies The vacuum chamber concept 10 3DXpert™ 11 Build higher -
History of Additive Manufacturing
Wohlers Report 2015 History of Additive Manufacturing History of additive This 35-page document is a part of Wohlers Report 2015 and was created for its readers. The document chronicles the history of additive manufacturing manufacturing (AM) and 3D printing, beginning with the initial by Terry Wohlers and Tim Gornet commercialization of stereolithography in 1987 to April 2014. Developments from April 2014 through March 2015 are available in the complete 314-page version of the report. An analysis of AM, from the earliest inventions in the 1960s to the 1990s, is included in the final several pages of this document. Additive manufacturing first emerged in 1987 with stereolithography (SL) from 3D Systems, a process that solidifies thin layers of ultraviolet (UV) light-sensitive liquid polymer using a laser. The SLA-1, the first commercially available AM system in the world, was the precursor of the once popular SLA 250 machine. (SLA stands for StereoLithography Apparatus.) The Viper SLA product from 3D Systems replaced the SLA 250 many years ago. In 1988, 3D Systems and Ciba-Geigy partnered in SL materials development and commercialized the first-generation acrylate resins. DuPont’s Somos stereolithography machine and materials were developed the same year. Loctite also entered the SL resin business in the late 1980s, but remained in the industry only until 1993. After 3D Systems commercialized SL in the U.S., Japan’s NTT Data CMET and Sony/D-MEC commercialized versions of stereolithography in 1988 and 1989, respectively. NTT Data CMET (now a part of Teijin Seiki, a subsidiary of Nabtesco) called its system Solid Object Ultraviolet Plotter (SOUP), while Sony/D-MEC (now D-MEC) called its product Solid Creation System (SCS). -
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Production of Drug Delivery Systems Using Fused Filament Fabrication: a Systematic Review
Review Production of Drug Delivery Systems Using Fused Filament Fabrication: A Systematic Review Bahaa Shaqour 1,2,*, Aseel Samaro 3, Bart Verleije 1, Koen Beyers 1, Chris Vervaet 3, and Paul Cos 2 1 Voxdale bv, Bijkhoevelaan 32C, 2110 Wijnegem, Belgium; [email protected] (B.V.); [email protected] (K.B.) 2 Laboratory for Microbiology, Parasitology and Hygiene (LMPH), Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Universiteitsplein 1 S.7, 2610 Antwerp, Belgium; [email protected] 3 Laboratory of Pharmaceutical Technology, Department of Pharmaceutics, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium; [email protected] (A.S.); [email protected] (C.V.) * Correspondence: [email protected] Received: 4 May 2020; Accepted: 3 June 2020; Published: 5 June 2020 Abstract: Fused filament fabrication (FFF) 3D printing technology is widely used in many fields. For almost a decade, medical researchers have been exploring the potential use of this technology for improving the healthcare sector. Advances in personalized medicine have been more achievable due to the applicability of producing drug delivery devices, which are explicitly designed based on patients’ needs. For the production of these devices, a filament—which is the feedstock for the FFF 3D printer—consists of a carrier polymer (or polymers) and a loaded active pharmaceutical ingredient (API). This systematic review of the literature investigates the most widely used approaches for producing drug‐loaded filaments. It also focusses on several factors, such as the polymeric carrier and the drug, loading capacity and homogeneity, processing conditions, and the intended applications. This review concludes that the filament preparation method has a significant effect on both the drug homogeneity within the polymeric carrier and drug loading efficiency. -
Gasbeschaffenheit an Ausspeisepunkten Des Netzes Der Westfalen Weser Netz Gmbh
Gasbeschaffenheit an Ausspeisepunkten des Netzes der Westfalen Weser Netz GmbH Ort/Gemeinde/Samtgemeinde Ortsteil Gasqualität Aerzen Aerzen L-Gas Aerzen Groß Berkel L-Gas Aerzen Reher L-Gas Aerzen Herkendorf L-Gas Altenbeken Altenbeken H-Gas Altenbeken Buke H-Gas Altenbeken Schwaney H-Gas Bad Lippspringe Bad Lippspringe L-Gas Bad Nenndorf Bad Nenndorf L-Gas Bad Nenndorf Haste L-Gas Bad Nenndorf Helsinghausen L-Gas Bad Nenndorf Hohnhorst L-Gas Bad Nenndorf Horsten L-Gas Bad Nenndorf Kreuzriehe L-Gas Bad Nenndorf Nordbruch L-Gas Bad Nenndorf Rehren L-Gas Bad Nenndorf Rehrwiehe L-Gas Bad Nenndorf Riehe L-Gas Bad Nenndorf Riepen L-Gas Bad Nenndorf Waltringhausen L-Gas Bad Nenndorf Wilhelmsdorf L-Gas Bad Wünnenberg Haaren L-Gas Bad Wünnenberg Bleiwäsche L-Gas Bad Wünnenberg Fürstenberg L-Gas Bad Wünnenberg Leiberg L-Gas Bad Wünnenberg Helmern L-Gas Bad Wünnenberg Bad Wünnenberg L-Gas Bevern Bevern L-Gas Bodenwerder Bodenwerder L-Gas Bodenwerder Daspe L-Gas Bodenwerder Halle L-Gas Bodenwerder Hehlen L-Gas Bodenwerder Kemnade L-Gas Bodenwerder Linse L-Gas Boffzen Boffzen L-Gas Boffzen Fürstenberg L-Gas Borchen Alfen L-Gas Borchen Dörenhagen L-Gas Borchen Etteln L-Gas Borchen Kirchborchen L-Gas Gasbeschaffenheit an Ausspeisepunkten des Netzes der Westfalen Weser Netz GmbH Ort/Gemeinde/Samtgemeinde Ortsteil Gasqualität Borchen Nordborchen L-Gas Büren Wewelsburg L-Gas Büren Ahden L-Gas Büren Brenken L-Gas Büren Büren L-Gas Büren Steinhausen L-Gas Coppenbrügge Coppenbrügge L-Gas Coppenbrügge Dörpe L-Gas Coppenbrügge Marienau L-Gas Delbrück Boke L-Gas -
Process, Structure, Property and Applications of Metallic Glasses
AIMS Materials Science, 3(3): 1022-1053. DOI: 10.3934/matersci.2016.3.1022 Received: 15 March 2016 Accepted: 07 July 2016 Published: 26 July 2016 http://www.aimspress.com/journal/Materials Short review Process, structure, property and applications of metallic glasses Bindusri Nair and B. Geetha Priyadarshini * Nanotech Research Innovation and Incubation Centre, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India-641004 * Correspondence: Email: [email protected]. Abstract: Metallic glasses (MGs) are gaining immense technological significance due to their unique structure-property relationship with renewed interest in diverse field of applications including biomedical implants, commercial products, machinery parts, and micro-electro-mechanical systems (MEMS). Various processing routes have been adopted to fabricate MGs with short-range ordering which is believed to be the genesis of unique structure. Understanding the structure of these unique materials is a long-standing unsolved mystery. Unlike crystalline counterpart, the outstanding properties of metallic glasses owing to the absence of grain boundaries is reported to exhibit high hardness, excellent strength, high elastic strain, and anti-corrosion properties. The combination of these remarkable properties would significantly contribute to improvement of performance and reliability of these materials when incorporated as bio-implants. The nucleation and growth of metallic glasses is driven by thermodynamics and kinetics in non-equilibrium conditions. This comprehensive review article discusses the various attributes of metallic glasses with an aim to understand the fundamentals of relationship process-structure-property existing in such unique class of material. Keywords: metallic glasses; glass transition; amorphous; mechanical properties 1. Introduction Metallic Glasses (MG) are a class of materials which has caught the eye of many researchers since Klement et al’s [1] first work on Au-Si alloys in early 1960’s. -
Science & Technology Trends 2020-2040
Science & Technology Trends 2020-2040 Exploring the S&T Edge NATO Science & Technology Organization DISCLAIMER The research and analysis underlying this report and its conclusions were conducted by the NATO S&T Organization (STO) drawing upon the support of the Alliance’s defence S&T community, NATO Allied Command Transformation (ACT) and the NATO Communications and Information Agency (NCIA). This report does not represent the official opinion or position of NATO or individual governments, but provides considered advice to NATO and Nations’ leadership on significant S&T issues. D.F. Reding J. Eaton NATO Science & Technology Organization Office of the Chief Scientist NATO Headquarters B-1110 Brussels Belgium http:\www.sto.nato.int Distributed free of charge for informational purposes; hard copies may be obtained on request, subject to availability from the NATO Office of the Chief Scientist. The sale and reproduction of this report for commercial purposes is prohibited. Extracts may be used for bona fide educational and informational purposes subject to attribution to the NATO S&T Organization. Unless otherwise credited all non-original graphics are used under Creative Commons licensing (for original sources see https://commons.wikimedia.org and https://www.pxfuel.com/). All icon-based graphics are derived from Microsoft® Office and are used royalty-free. Copyright © NATO Science & Technology Organization, 2020 First published, March 2020 Foreword As the world Science & Tech- changes, so does nology Trends: our Alliance. 2020-2040 pro- NATO adapts. vides an assess- We continue to ment of the im- work together as pact of S&T ad- a community of vances over the like-minded na- next 20 years tions, seeking to on the Alliance.