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Bibliographies thématiques / Lightweight design / Thèses

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Thèses sur le sujet « Lightweight design »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 26 juillet 2025

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1

Galos, Joel Luke. "Lightweight composite trailer design." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/263572.

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This thesis explores the use of lightweight composite materials in road freight trailer design as a means of reducing the emissions of the road freight industry. A comprehensive review of previous lightweight composite trailers and related projects was conducted; it concluded that the application of composites in trailers to-date has largely been limited by relatively high material and production costs. The review highlighted that the trailer industry could learn from the success of composites in the bridge construction industry. A statistical weight analysis of two road freight fleets and an

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Bonnemaison, Sarah. "Lightweight structures in urban design." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/71363.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1985.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.<br>Includes bibliographical references (leaves 83-84).<br>Lightweight architecture questions how we architects think about the environment. It has qualities which complement "mainstream" buildings. This thesis will explore these qualities and will propose that this architecture is rooted in the modern sensibility and suggests an attitude towards the environment that is needed in our cities. Lightweight architecture is concerned with optimal and, particularly, p

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Polanco, Hannah Jean. "Structural Lightweight Grout Mixture Design." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6312.

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This research focused on designing a grout mixture using lightweight aggregate that achieves the minimum 28-day compressive strength required for normal-weight grout, 2000 psi. This research specifically studied the effects of aggregate proportion, slump, and aggregate soaking on the compressive strength of the mixture. The variable ranges investigated were 3-4.75 parts aggregate to cement volumetrically, 8-11 in. slump, and 0 and 2 cycles of soaking. The statistical model developed to analyze the significance of variable effects included a three-way interaction between the explanatory variabl

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FERREIRA, DANIEL VITOR COSTA. "LEAN COMMUNICATION-CENTERED DESIGN: A LIGHTWEIGHT DESIGN PROCESS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=28670@1.

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O Lean Communication-Centered Design (LeanCCD) é um processo de design de Interação Humano-Computador (IHC) centrado na comunicação, que consiste na realização de um workshop, detalhamento de metas de usuários, combinação de modelos de interação com esboços em papel simulados com usuários, apoiados por guias e quadros. A IHC é uma área que estuda o projeto e uso de tecnologia computacional, em especial a interação entre computadores e pessoas. Este estudo adaptou o Communication-Centered Design (CCD) e o eXtreme Communication-Centered Design (eXCeeD), outros processos de design centrados na co

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Tugilimana, Alexis. "Optimal design of lightweight modular structures." Doctoral thesis, Universite Libre de Bruxelles, 2018. https://dipot.ulb.ac.be/dspace/bitstream/2013/283383/3/content.pdf.

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This PhD thesis addresses the development of novel computational methods for designing modular structures i.e. structures composed of the assembly of identical components called modules. Current methodologies tackle this challenge by implementing topology optimization of the module but their efficiency is limited by the performance deterioration when numerous modules are used in the structure. In this work, the design of lightweight modular structures is addressed by simultaneously optimizing the topology of the modules and their respective position in the structure. This contribution also inc

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JI, JINDONG. "Lightweight Design of Vehicle Side Door." Doctoral thesis, Politecnico di Torino, 2015. http://hdl.handle.net/11583/2598565.

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Due to increasing environmental concern about emission of Green House Gas and government regulations on vehicle safety, vehicle manufacturers, and their suppliers, must turn to new technologies. This is the main way to help them to achieve the goals of making vehicles lighter and safer. These two targets seem to be in deep contrast one with the other as increasing expectations from car consumers and the crashworthiness requirements. Nowadays a lot of innovative vehicle technologies are being considered in order to reduce emissions of GHG, such as engine with increased efficiency, less drag lo

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Davis, Mark E. (Mark Edward). "Design of a lightweight, multipurpose underwater vehicle." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12646.

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O'Neill, Conor Francis. "Lightweight energy absorbing structures for crashworthy design." Thesis, University of Newcastle upon Tyne, 2018. http://hdl.handle.net/10443/4030.

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The application of lightweight composite materials into the rail industry requires a stepwise approach to ensure rail vehicle designs can make optimal use of the inherent properties of each material. Traditionally, materials such as steel and aluminium have been used in railway rolling stock to achieve the energy absorption and structural resistance demanded by European rail standards. Adopting composite materials in primary structural roles requires an innovative design approach which makes the best use of the available space within the rolling stock design such that impact energies and loads

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Cho, Myung Kyu. "Structural deflections and optical performances of lightweight mirrors." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184875.

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A parametric design study of light weight mirror shapes with various support conditions was performed utilizing the finite element program NASTRAN. Improvements in the mirror performance were made based on the following design criteria: (1) minimization of the optical surface wavefront variations, (2) minimization of the self-weight directly related to cost of manufacturing, and (3) optimal location of support points. A pre-processor to automatically generate a finite element model for each mirror geometry was developed in order to obtain the structural deformations systematically. Additionall

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Gu, Chongyan. "Lightweight physical unclonable functions circuit design and analysis." Thesis, Queen's University Belfast, 2016. https://pure.qub.ac.uk/portal/en/theses/lightweight-physical-unclonable-functions-circuit-design-and-analysis(6b0e0903-ce49-4927-9bb6-e88db530ea67).html.

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With the increasing emergence of mobile electronic devices over the last two decades, they are now ubiquitous and can be found in our homes, our cars, our workplaces etc., and have the potential to revolutionise how we interact with the world today. This has led to a high demand for cryptographic devices that can provide authentication to protect user privacy and data security; however conventional cryptographic approaches suffer from a number of shortcomings. Also, today’s mobile devices are low-cost, low-power, embedded devices that are restricted both in memory and computing power. Hence, c

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Roy, Matthew MacGregor. "Design and fabrication of a lightweight robotic manipulator." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ37282.pdf.

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Yuan, Fenghua. "Lightweight network management design for wireless sensor networks." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Fall2007/F_Yuan_081307.pdf.

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Stewart, Andrzej Matthew. "Design and optimization of lightweight space telescope structures." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39709.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2007.<br>Includes bibliographical references (p. 137-140).<br>As mankind attempts to look deeper into the universe, increasingly larger space telescopes will be needed to achieve the levels of resolution required to perform these missions. Due to this increase in size, increasing emphasis will be placed on designing lightweight, efficient structures in order to reduce structural mass and minimize launch costs. This thesis discusses several issues related to the design of lightweight space telescopes. T

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Liu, Celia H. (Celia Hsin-Hsin). "Structural analysis and design of adaptive lightweight mirrors." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/49907.

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Carruth, Mark Alexander. "Reducing CO2 emissions through lightweight design and manufacturing." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607775.

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Baiocchi, Dave. "Design and control of lightweight, active space mirrors." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/290102.

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The success of the Hubble Space Telescope created a great interest in the next generation of space telescopes. To address this need, the University of Arizona (UA) has designed and built several lightweight prototype mirrors ranging in size from 0.5 m to 2 m in diameter. These mirrors consist of three key components: a thin, lightweight glass substrate holds the reflective surface; the surface accuracy is maintained by an array of position actuators; and the stiffness is maintained by a lightweight carbon-fiber/epoxy support structure. The UA mirrors are different from conventional mirrors in

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Kulkarni, Rohan. "Design of Reliable Lightweight Cast Components : An Optimization Driven Design Appraoch." Thesis, KTH, Maskinkonstruktion (Avd.), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-239573.

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The present-day automotive industry is striving to design lightweight components by optimizing the design for minimization of weight. The topology optimization is used widely for the design of lightweight components. The casting process is time and cost effective for mass production and widely adopted within the automotive industry. Generally, castability is not considered in the weight optimization process. These weight optimized components are optimized once again in the later stage for cost-effectiveness in the casting process. The modified design usually weighs more than the weight optimiz

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El, Zareef Mohamed [Verfasser]. "Conceptual and Structural Design of Buildings made of Lightweight and Infra-Lightweight Concrete / Mohamed El Zareef." Aachen : Shaker, 2010. http://d-nb.info/1120864259/34.

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Zareef, Mohamed el [Verfasser]. "Conceptual and Structural Design of Buildings made of Lightweight and Infra-Lightweight Concrete / Mohamed El Zareef." Aachen : Shaker, 2010. http://nbn-resolving.de/urn:nbn:de:101:1-201612041611.

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Descamps, Benoît. "Optimal shaping of lightweight structures." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209362.

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Designing structures for lightness is an intelligent and responsible way for engineers and architects to conceive structural systems. Lightweight structures are able to bridge wide spans with a least amount of material. However, the quest for lightness remains an utopia without the driving constraints that give sense to contemporary structural design.<p><p>Previously proposed computational methods for designing lightweight structures focused either on finding an equilibrium shape, or are restricted to fairly small design applications. In this work, we aim to develop a general, robust, and easy

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Douglas, Adrain Keith. "Mechanical design aspects of a lightweight neonatal retrieval system." University of Southern Queensland, Faculty of Engineering and Surveying, 2005. http://eprints.usq.edu.au/archive/00004105/.

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[Abstract]: This work involves the development of a lightweight, high efficiency, integrated Neonatal Retrieval System consistent with the requirements of medical personnel, with the capability to be loaded into ambulance vehicles without lifting.By studying the current systems in use and surveying the potential end users a basic specification is established. From this specification concepts are cultivated and, withregular input from end users, developed into a working prototype. This prototype is tested to the required standards and assessed by the end users. Following positivefeedback, a cli

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Nie, Yi. "Advanced analysis and lightweight design of annular extrusion dies." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49684/.

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Annular extrusion dies have been widely used for the production of plastic pipes and tubes. But they are usually designed according to engineering experience which has led to the overweight and waste in material of them. With increasingly stringent environmental regulations in many countries, attaining lightweight design of mechanical parts and components becomes an ever-lasting goal of designers during design process. Thus a systematic lightweight design methodology which integrates the tools of numerical simulation, structural optimization and life cycle assessment is proposed for annular ex

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Daniel, Ajay. "Suspension design for Uniti, a lightweight urban electric vehicle." Thesis, KTH, Fordonsdynamik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234900.

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Climate change is real and the automotive industry is no longer in denial that electrification of vehicles is the future. But what if there is a better solution to meeting the commuting requirements in an urban environment than a form of a car that we are so familiar with? Something which gives the freedom of mobility like a car but is more practical. Perhaps a Uniti? Uniti aims at providing a smart solution to urban commute, something which is sustainable, fun and in step with the strides made in technology. This involved starting from a clean slate and attacking the very fundamental problem;

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Amir, Bourak Maher. "An Integrated Method Of Lightweight Design, Optimization, and Bionics." Thesis, Högskolan i Halmstad, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-42252.

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The main objective of the current study was to examine the trends and current status of lightweight design, optimization, and bionics in industrial applications. The goal wasto explore the suitable innovations used by industrial companies to ensure improved product performance and low costs of manufacturing. To achieve the goal, a secondary research methodology was employed in which seven studies on the topics of optimization, bionics, and lightweight designs were sampled and analyzed. A key resultnoted was that lightweight design is achieved through the use of magnesium alloys,aluminum alloys

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Magnusson, Tobias. "Conceptual sandwich-sandwich-steel joint design for lightweight rail vehicle." Thesis, KTH, Lättkonstruktioner, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159283.

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In order to find a feasible solution for a joining method of a sandwich side-wall, a sandwichfloor and a steel underbody of a railway vehicle, conceptual joint designs have been devel- oped by using structural optimization software. It is shown that the joints are capable of carrying the loads assumed to act on the structure but that several improvements to theanalysis needs to be done to assure a safe design.

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Montgomery, Robert H. (Robert Hall). "Design and analysis of a lightweight parallel cable-controlled manipulator." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14687.

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González, Gabriel J. (Gabriel Joe) 1980. "Design of a compact, lightweight, and low-cost solar concentrator." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32813.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references.<br>The objective of this mechanical design project was to improve the current design of large and heavy solar concentrators. The three main design goals were: making the system compact, making the system lightweight, and minimizing expenses. The main approach to achieving these design parameters was to use the plastic film Mylar in its aluminized form to create a paraboloid serving as a solar concentrator. The scope of design was limited to designing and prototyp

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Qiu, Kepeng. "Analysis and optimal design of lightweight sandwich structures and materials." Besançon, 2008. http://www.theses.fr/2008BESA2046.

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La thèse concerne les performances de l’analyse et de l’optimisation de structures composites légères du type “solides cellulaires et sandwich”. Une étude spécifique est consacrée à l’optimisation topologique de solides cellulaires à périodicité. La méthode de super-élément est développée et appliquée à l’analyse statique et dynamique de plaques composites en considérant l’influence de la topologie et des dimensions de cellules périodiques constituant la structure. La méthode multi-phase d’homogénéisation 3D est appliquée pour calculer les propriétés élastiques équivalentes de structures nid d

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Zambujeiro, Vítor Miguel Mata. "Intelligent lightweight Design na optimização de uma máquina de ponte." Master's thesis, Universidade de Aveiro, 2008. http://hdl.handle.net/10773/2446.

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Mestrado em Engenharia Mecânica<br>Com este trabalho pretende-se desenvolver e optimizar estruturalmente o projecto e os accionamentos do módulo base do equipamento actualmente de maior sucesso da cei, a StoneCut. A StoneCut“Máquina de Ponte Inteligente”, está na vanguarda do corte de chapa de pedra por disco diamantado erepresenta um grande avanço no processamento e corte de chapa de pedra.Além da apresentação de soluções melhoradas para os elementos móveis erespectivos accionamentos dos eixos deste equipamento, pretende-se também adquirir um maior domínio dos princípios que determinam a sua

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Tyagi, Sheetanshu Rajeev. "Development of a Semi Active Suspension System for Lightweight Automobiles." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/72131.

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Vehicle suspension systems play an integral role in influencing the overall performance of a vehicle. The suspension system of a vehicle performs multiple tasks, such as maintaining contact between the tires and the road and isolating the frame of the vehicle from road-induced vibration and shocks. A significant amount of research has been directed to improving the performance of the suspension system by varying the damping coefficient so as to alter the frequency response of the system. This study describes the development of such a damper. The goal of this research has been to design, model

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Ritter, Robin. "The 100 kW Sportscar : Experience-Oriented Performance through Reduction in Times of Excess." Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-136849.

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Problem Area With the introduction of the Bugatti Veyron in 2005, a new breed of sportscars was born: the hypercar. It was celebrated as a technological masterpiece, its todays hybrid counterparts, the McLaren P1, Ferrari LaFerrari and Porsche 918 Spyder were named the ‘holy trinity’ of sportscars. However, only a few hundreds of these cars will ever be built, and most enthusiasts will only be able to experience their performance in the virtual world in a racing simulator. The few lucky owners though face a similar problem: These machines are so fast and their traction limit is so high that th

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Park, Sarah S. "Biomimicry of Feathers for Airport Design." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1493714938210786.

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de, Fluiter Travis. "Design of lightweigh electric vehicles." The University of Waikato, 2008. http://hdl.handle.net/10289/2438.

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The design and manufacture of lightweight electric vehicles is becoming increasingly important with the rising cost of petrol, and the effects emissions from petrol powered vehicles are having on our environment. The University of Waikato and HybridAuto's Ultracommuter electric vehicle was designed, manufactured, and tested. The vehicle has been driven over 1800km with only a small reliability issue, indicating that the Ultracommuter was well designed and could potentially be manufactured as a solution to ongoing transportation issues. The use of titanium aluminide components in the automotive

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Stephan, Pascal. "Suitable bonding method of a multi-material glove compartment for lightweight design." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-12583.

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Within the framework of this Final Year Project in Mechanical Engineering an investigation is done for a Suitable Bonding Method for a Multi-Material Glove Compartment for Lightweight Design. The industrial partner of this Project is Swedfoam. Decreasing fuel consumption and lowering the carbon foot print for automobiles, lightweight construction is one of the key factors to achieve these regulations and more crucial these aims as future needs. Often a simple idea already has a great potential, such as replacing conventional materials with lighter ones in certain applications. Exactly this is

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Cohan, Lucy Elizabeth. "Integrated modeling to facilitate control architecture design for lightweight space telescopes." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40307.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2007.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 161-167).<br>The purpose of this thesis it to examine the effects of utilizing control to better meet performance and systematic requirements of future space telescopes. New telescope systems are moving toward tighter optical performance requirements with lower mass and cost, creating an implicit conflict f

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Sampaio, Zodinio Laurisa Monteiro. "Low cement structural lightweight concrete with optimized multiple waste mix design." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/24353.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-11-22T20:18:43Z No. of bitstreams: 1 ZodinioLaurisaMonteiroSampaio_TESE.pdf: 4245538 bytes, checksum: 687e089323cb706bdb8dc70fe1aa7593 (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-11-23T00:28:27Z (GMT) No. of bitstreams: 1 ZodinioLaurisaMonteiroSampaio_TESE.pdf: 4245538 bytes, checksum: 687e089323cb706bdb8dc70fe1aa7593 (MD5)<br>Made available in DSpace on 2017-11-23T00:28:27Z (GMT). No. of bitstreams: 1 ZodinioLaurisaMonteiroSampaio_TESE.pdf: 4245538 bytes, checksum:

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Portella, Rodrigo. "Balancing energy, security and circuit area in lightweight cryptographic hardware design." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEE036/document.

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Cette thèse aborde la conception et les contremesures permettant d'améliorer le calcul cryptographique matériel léger. Parce que la cryptographie (et la cryptanalyse) sont de nos jours de plus en plus omniprésentes dans notre vie quotidienne, il est crucial que les nouveaux systèmes développés soient suffisamment robustes pour faire face à la quantité croissante de données de traitement sans compromettre la sécurité globale. Ce travail aborde de nombreux sujets liés aux implémentations cryptographiques légères. Les principales contributions de cette thèse sont : - Un nouveau système d'accéléra

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Demircubuk, Murat. "Design and manufacture of optimum porduct structure /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3188839.

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Tinashe, Kurehwaseka. "Lightweight Remote Collaboration System based on WebRTC : Improving Remote Collaboration Flexibility." Thesis, Blekinge Tekniska Högskola, Institutionen för kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-12816.

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Context. Introduction of efficient multimedia technologies combined with the spreading of high-speed internet connection all over the world has led to the continuous increase in demand of multimedia services, particularly video and audio. One of the major demands are flexible, interoperable and cost-effective lightweight remote collaboration systems in companies. Web Real Time Communication (WebRTC) is an emerging peer to peer technology that is promising to be the solution to many digital real-time communication challenges. With its fantastic one-to-one communication capabilities, WebRTC supp

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Mukundan, Sudharsan. "Structural design and analysis of a lightweight composite sandwich space radiator panel." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/1613.

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The goal of this study is to design and analyze a sandwich composite panel with lightweight graphite foam core and carbon epoxy face sheets that can function as a radiator for the given payload in a satellite. This arrangement provides a lightweight, structurally efficient structure to dissipate the heat from the electronics box to the surroundings. Three-dimensional finite element analysis with MSC Visual Nastran is undertaken for modal, dynamic and heat transfer analysis to design a radiator panel that can sustain fundamental frequency greater than 100 Hz and dissipate 100 W/m2 and withstand

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Martirosyan, Anahit. "Towards Design of Lightweight Spatio-Temporal Context Algorithms for Wireless Sensor Networks." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19857.

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Context represents any knowledge obtained from Wireless Sensor Networks (WSNs) about the object being monitored (such as time and location of the sensed events). Time and location are important constituents of context as the information about the events sensed in WSNs is comprehensive when it includes spatio-temporal knowledge. In this thesis, we first concentrate on the development of a suite of lightweight algorithms on temporal event ordering and time synchronization as well as localization for WSNs. Then, we propose an energy-efficient clustering routing protocol for WSNs that is used fo

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Evans, Thomas H. "Design of composite sandwich panels for lightweight applications in heavy vehicle systems." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4745.

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Thesis (M.S.)--West Virginia University, 2006.<br>Title from document title page. Document formatted into pages; contains ix, 125 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 124-125).

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Willis, Darrin. "Design and development of a novel lightweight long-reach composite robotic arm." Thesis, UOIT, 2009. http://hdl.handle.net/10155/27.

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Metallic robotic arms, or manipulators, currently dominate automated industrial operations, but due to their intrinsic weight, have limited usefulness for large-scale applications in terms of precision, speed, and repeatability. This thesis focuses on exploring the feasibility of using polymeric composite materials for the construction of long-reach robotic arms. Different manipulator layouts were investigated and an ideal design was selected for a robotic arm that has a 5 [m] reach, 50 [kg] payload, and is intended to operate on large objects with complex curvature. The cross-sectional geomet

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Qi, Gang 1971. "Optimal design of a lightweight robotic manipulator using carbon fibre-reinforced composites." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82626.

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One of the most attractive applications of composite materials is in robot industry. The reason lies in the fact that lightweight composite materials with excellent performance can dramatically overcome the tricky conflict of simultaneously achieving high end-effector positional accuracy and high link acceleration. This thesis describes the process of analysis and redesign of an anthropomorphic parallel robotic manipulator using graphite/epoxy fiber reinforced composites, which exhibit high stiffness-to-weight ratio and strength-to-weight ratio as well as good damping properties. From t

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Jordan, Elizabeth (Elizabeth O. ). "Design and shape control of lightweight mirrors for dynamic performance and athermalization." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39705.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2007.<br>Includes bibliographical references (p. 121-124).<br>The next generation of space telescopes will need to meet increasingly challenging science goals. For these new systems to meet resolution goals, the collecting area of the primary mirror will need to be increased. However, current space telescope designs are reaching their limits in terms of size and mass. Therefore, new systems will need to include technologies such as lightweight mirrors, segmented or sparse apertures and active optical c

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Ulbricht, Andreas, Maik Gude, Daniel Barfuß, Michael Birke, Andree Schwaar, and Andrzej Czulak. "Potential and application fields of lightweight hydraulic components in multi-material design." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200294.

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Hydraulic systems are used in many fields of applications for different functions like energy storage in hybrid systems. Generally the mass of hydraulic systems plays a key role especially for mobile hydraulics (construction machines, trucks, cars) and hydraulic aircraft systems. The main product properties like energy efficiency or payload can be improved by reducing the mass. In this connection carbon fiber reinforced plastics (CFRP) with their superior specific strength and stiffness open up new chances to acquire new lightweight potentials compared to metallic components. However, complex

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Sleem, Lama. "Design and implementation of lightweight and secure cryptographic algorithms for embedded devices." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCD018.

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Nous vivons actuellement dans une ère avec sans cesse de nouveaux appareils technologiques (smartphone, réseaux de capteurs sans fil, aux caméras haute résolution, etc). En partant des médias sociaux, en passant par des caméras de surveillance très puissantes, et sans oublier la surveillance de la santé en temps réel, on constate qu'une grande quantité de données est stockée dans le cloud et les serveurs. Cela représente un grand défi de stockage et de transmission, en particulier dans les plates-formes aux ressources limitées qui sont caractérisées par : (a) des capacités de calcul limitées,

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Yao, Jerry Wei-Hua. "IDK : an Interaction Development Kit to design interactions for lightweight autonomous vehicles." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/127725.

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Thesis: S.M., Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2019<br>Cataloged from PDF of thesis.<br>Includes bibliographical references (pages 78-80).<br>Various studies have demonstrated that privately owned cars will become significantly less prevalent in the city in the next 10 to 15 years. Other efficient alternatives for mobility platforms within the city are in demand around the world. One example is the emergence of the PEV (Persuasive Electric Vehicle), an agile autonomous bike-sharing platform (M Lin, 2015). Based on t

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Frushour, John H. "Design considerations for a computationally-lightweight authentication mechanism for passive RFID tags." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FFrushour.pdf.

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Thesis (M.S. in Computer Science)--Naval Postgraduate School, September 2009.<br>Thesis Advisor(s): Fulp, J.D. ; Huffmire, Ted. "September 2009." Description based on title screen as viewed on November 6, 2009. Author(s) subject terms: Passive RFID Systems, Tags, Clock, Electro-magnetic induction, authentication, hash, SHA--1. Includes bibliographical references (p. 59-60). Also available in print.

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Tinker, John Andrew. "Development of an Ultra-Lightweight Buckling-Restrained Brace Using Analytical and Numerical Methods." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/447.

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An ultra-lightweight buckling-restrained brace (ULWBRB) is developed using a highly ductile aluminum core and FRP restrainer. Utilization of lightweight materials results in a BRB that is 25% the weight of traditional mortar-filled tube varieties allowing easy installation in small to medium sized buildings requiring seismic retrofit without the need for heavy equipment. Construction utilizes commonly stocked materials able to be customized for required strength, drift, and geometry limitations. Analytical single degree of freedom (SDOF) and Euler buckling models are compared with published eq

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