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Dissertations / Theses on the topic 'Job design optimization tool'

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Published: 7 June 2025

Last updated: 2 August 2025

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1

Bower, Thomas Charles. "Fishing vessel optimization : a design tool." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25082.

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Rising fuel costs and decreased catch sizes have reduced the fishing vessel owners profit margin. This has caused the owners to try to find methods that reduce the costs of their operations. In this thesis a tool which can be used by fishing vessel designers, and operators, is developed for use at the preliminary ship design stage. It is used to determine the best fishing vessel parameters for a given operational scenario found on the West Coast of Canada.<br>Applied Science, Faculty of<br>Mechanical Engineering, Department of<br>Graduate

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2

Blaschke, Peter Gerhard. "Vibro-acoustic design tool for noise optimization of rotating machines." Thesis, Imperial College London, 1996. http://hdl.handle.net/10044/1/7355.

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İrtürk, Ali Umut. "GUSTO general architecture design utility and synthesis tool for optimization /." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3369520.

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Thesis (Ph. D.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed September 16, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 233-248).

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Proos, Kaarel. "Evolutionary structural optimisation as a robust and reliable design tool." Connect to full text, 2002. http://hdl.handle.net/2123/519.

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Thesis (Ph. D.)--University of Sydney, 2002.<br>Title from title screen (viewed Apr. 28, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Aeronautical, Mechatronic and Mechanical Engineering. Includes bibliographical references. Also available in print form.

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Holmberg, Aksel, and Oscar Pettersson. "DESIGN OF A TECHNO-ECONOMIC OPTIMIZATION TOOL FOR SOLAR HOME SYSTEMS IN NAMIBIA." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-33151.

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The expansion of the electrical grid and infrastructure is an essential part of development since it contributes to improved standard of living among the population. Solar home systems (SHS) are one solution to generate electricity for households where the national grid does not reach or is too sparsely populated to build a local mini-grid. Solar home system programs have been used as a solution for rural electrification in developing countries all over the world with various success, one of these countries is Namibia. A large fraction of the population in Namibia lacks access to electricity w

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Lerm, Rafael Andréas Raffi. "A model-driven design-space exploration tool for the HIPAO 2 methodology." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/134477.

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Hoje em dia, desenvolvedores de sistemas embarcados enfrentam uma crescente complexidade de projeto, tanto nas aplicações quanto nas plataformas usadas para executá-las. O uso de plataformas complexas faz com que os engenheiros precisem fazer escolhas não-triviais, e muitas vezes contra-intuitivas durante a fase de projeto. Para permitir que os projetistas gerenciem esta complexidade, o uso de metodologias baseadas em modelos tem atraído atenção, e dentro deste contexto, a metodologia HIPAO2 está sendo desenvolvida dentro da UFRGS. Dentre os problemas que os engenheiros precisam enfrentar, o m

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Foster, Kevin G. "Automated Tool Design for Complex Free-Form Components." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2383.

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In today's competitive manufacturing industries, companies strive to reduce manufacturing development costs and lead times in hopes of reducing costs and capturing more market share from early release of their new or redesigned products. Tooling lead time constraints are some of the more significant challenges facing product development of advanced free-form components. This is especially true for complex designs in which large dies, molds or other large forming tools are required. The lead time for tooling, in general, consists of three main components; material acquisition, tool design and e

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Milani, Mauro. "Optimization of the pressing process of triangular shaped cutting tool inserts." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-58282.

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Pressing of metallic powders is a manufacturing process widely investigated in the research field and in the industry. This thesis project is focused on optimizing the pressing process of cemented carbide powder utilized for the production of triangular shaped cutting tool inserts. In particular, the filling of powder into the die cavity was investigated with respect to different pressing parameters. The aim of the project was to obtain a uniform density distribution of the powder into the die cavity, and hence to reduce the variation of the height of the insert obtaining more precise dimensio

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9

Mahmood, Zohaib. "Automatic design tool for robust radio frequency decoupling matrices in magnetic resonance imaging." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/97791.

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Thesis: S.M., Massachusetts Institute of Technology, Computation for Design and Optimization Program, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 43-45).<br>In this thesis we study the design of robust decoupling matrices for coupled transmit radio frequency arrays used in magnetic resonance imaging (MRI). In a coupled parallel transmit array, because of the coupling itself, the power delivered to a channel is typically partially re-distributed to other channels. This power must then be dissipated in circulators resulting into a significant redu

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Oslebo, Damian G. "Design of Tool for the Optimization of Deck Area Assignments with Integration into Existing Naval Ship Design Programs." Thesis, Monterey, California. Naval Postgraduate School, 2014. http://hdl.handle.net/10945/43075.

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CIVINS<br>Many tasks in the early stages of ship design are manual and repetitive processes. One such task is in the realm of deck area arrangements. The allocation and assignment of areas in early stage ship design involves tracking the difference of total ship area envelope and all required areas to be placed for habitability, mission support, and propulsion capability among many. The problem becomes more complex with the addition of constraints involving required separation zones between other areas, affinities for certain areas or deck levels, and compartment subdivision. The Leading Edge

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Moreno, Carlos S. (Carlos Sanchez). "Load relief optimization of a first stage boost vehicle using an automated computer design tool." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/35339.

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Yuan, Rong Ph D. Massachusetts Institute of Technology. "Setting optimal production lot sizes and planned lead times in a job shop system." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82419.

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Thesis (S.M.)--Massachusetts Institute of Technology, Computation for Design and Optimization Program, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 73-75).<br>In this research we model a job shop that produces a set of discrete parts in a make-to-stock setting. The intent of the research is to develop a planning model to determine the optimal operating tactics that minimize the relevant manufacturing costs subject to workload variability and capacity limits. We model the interplay of three key components in the job shop, namely, the production frequ

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Arevalo, Jennifer, Mauricio Palacios, Sandra Rodriguez, and Julio Farje. "Optimization of the design process in construction projects by the implementation of the A360 collaboration tool." Institute of Electrical and Electronics Engineers Inc, 2020. http://hdl.handle.net/10757/656422.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Each year there are more construction companies seeking for implementation of the Building Information Modeling (BIM) methodology in their projects since it provides different benefits related to project time, cost and quality. Besides, different countries currently demands its application. However, companies do not always achieve these benefits at its totality because BIM implementation must overcomes a series of difficulties related to intero

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Kurtulus, Berkin. "Development of a Tool for Inverse Aerodynamic Design and Optimisation of Turbomachinery Aerofoils." Thesis, KTH, Flygdynamik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-293353.

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The automation of airfoil design process is an ongoing effort within the field of turbo-machinery design, with significant focus on developing new reliable and consistent methods that can meet the needs of the engineers. A wide variety of approaches has been in use for inverse airfoil design process which benefit from theoretical inverse design, statistical methods, empirical discoveries and many other ways to solve the design problem. This thesis work also develops a tool in Python to be used in airfoil aerodynamic design process that is simple, fast and accurate enough for initial design of

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Abdalrahman, Rzgar. "Design and analysis of integrally-heated tooling for polymer composites." Thesis, University of Plymouth, 2015. http://hdl.handle.net/10026.1/4753.

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Tooling design is crucial for the production of cost-effective and durable composite products. As part of the current search for cost reduction (by reducing capital investment, energy use and cycle time), integrally-heated tooling is one of the technologies available for ‘out-of-autoclave’ processing of advanced thermoset polymer composites. Despite their advantages, integrally-heated tools can suffer from uneven distribution of temperature, variability in heat flow rate and inconsistency in heating/cooling time. This research, therefore, investigates a number of design variables such as shape

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Williams, Wesley Harlan. "Tool design for and process optimization of an automated workstation for the manufacture of fiber optic gyroscopes." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9879.

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Cunha, Marco Antonio Hidalgo. "A computational tool for the design and optimization of supersonic turbines with application on turbopump rocket engines." Instituto Tecnológico de Aeronáutica, 2012. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=3218.

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Turbo-machinery design is clearly about making many decisions often under uncertainty and with multiple conflicting objectives. In this work, a computational tool has been developed to assist in the preliminary design optimization of supersonic turbines with application on turbopump rocket engines. It was proposed an evolutive approach based on genetic algorithm to automatize the process of selecting values, based on hands-on experience, for decision variables and fulfill simultaneously decisive compromises faced by the designer. At design point, exploring multiple optima solutions, the tool a

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Wilding, Paul Richard. "The Development of a Multi-Objective Optimization and Preference Tool to Improve the Design Process of Nuclear Power Plant Systems." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/7515.

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The complete design process for a new nuclear power plant concept is costly, long, complicated, and the work is generally split between several specialized groups. These design groups separately do their best to design the portion of the reactor that falls in their expertise according to the design criteria before passing the design to the subsequent design group. Ultimately, the work of each design group is combined, with significant iteration between groups striving to facilitate the integration of each of the heavily interdependent systems. Such complex interaction between experts leads to

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Jonsson, Robert. "Life cycle energy optimization as a tool to compare and evaluate the optimal design in the automotive industry." Thesis, KTH, Lättkonstruktioner, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285759.

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Fiber reinforced plastics are composite materials that offer a lower weight, while still mechanically perform at least as good as conventional materials such as steel. This makes them attractive for the automotive industry since the implementation of them in e.g. a car frame would enable the manufacturers to sell a more fuel efficient vehicle to the customer. The manufacturing of composites is however more energy intense than for steel and the recycling capabilities are limited. This encourages the car designer to regard the product from a macro-perspective, spanning from the extraction of the

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KHALIL, AHMED HAMED. "WORK COMPATIBILITY: AN INTEGRATED DIAGNOSTIC TOOL FOR EVALUATING HUMAN PERFORMANCE IN EMERGING ENTERPRISES." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1070492503.

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Gagliano, Joseph R. "Orbital Constellation Design and Analysis Using Spherical Trigonometry and Genetic Algorithms: A Mission Level Design Tool for Single Point Coverage on Any Planet." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1877.

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Recent interest surrounding large scale satellite constellations has increased analysis efforts to create the most efficient designs. Multiple studies have successfully optimized constellation patterns using equations of motion propagation methods and genetic algorithms to arrive at optimal solutions. However, these approaches are computationally expensive for large scale constellations, making them impractical for quick iterative design analysis. Therefore, a minimalist algorithm and efficient computational method could be used to improve solution times. This thesis will provide a tool for si

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Petrone, Paola. "Design and optimization of a computer-assisted tool for erythrocyte phenotyping: in search of a new biomarker for autism spectrum disorders." Doctoral thesis, Università di Siena, 2022. http://hdl.handle.net/11365/1213174.

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The morphology of a red blood cell (RBC) in physiological conditions (discocyte) is of primary importance for its main physiological role (i.e., the transport of respiratory gases to and from the tissues). The erythrocyte membrane-cortical cytoskeleton-complex structure, ensuring both shape resilience and marked physiological deformability, also allows erythrocytes to undergo peculiar shape changes, from spherical globes (spherocytes), concave shapes (stomatocytes), cells provided with spines (echinocytes) or with a central crest (knizocytes). Several pathological conditions are associated wit

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23

Bester, Margarete Joan. "Design of an automated decision support system for scheduling tasks in a generalized job-shop." Thesis, Stellenbosch : Stellenbosch University, 2006. http://hdl.handle.net/10019.1/21734.

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Bruno, Liam T. "Three Axis Attitude Control System Design and Analysis Tool Development for the Cal Poly CubeSat Laboratory." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2288.

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The Cal Poly CubeSat Laboratory (CPCL) is currently facing unprecedented engineering challenges—both technically and programmatically—due to the increasing cost and complexity of CubeSat flight missions. In responding to recent RFPs, the CPCL has been forced to find commercially available solutions to entire mission critical spacecraft subsystems such as propulsion and attitude determination & control, because currently no in-house options exist for consideration. The commercially available solutions for these subsystems are often extremely expensive and sometimes provide excessively good perf

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Connaway, Heather M. (Heather Moira). "Development of a core design optimization tool and analysis in support of the planned LEU conversion of the MIT Research Reactor (MITR-II)." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/79032.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 100-101).<br>The MIT Research Reactor (MITR-II) is currently undergoing analysis for the planned conversion from high enriched uranium (HEU) to low enriched uranium (LEU), as part of a global effort to minimize the availability of weapons-grade uranium. In support of efficient fuel management analysis with the new LEU fuel, a core design optimization tool has been developed. Using a coarse model, the tool can q

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Linderstam, Albin. "Analytical tool for electromechanical actuators for primary and secondary flight control systems : Optimization of the initial design of the EMA using parametric sizing models." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-74246.

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The number of flights have increased by 80% between 1990 and 2014, and the demand for air travel continues to increase. Even though the aviation sector contributes to economical and social benefits, it still affects the climate change [1]. A first step to minimize the environmental impact is to develop more electric aircraft (MEA), where the idea is to maximize the use of electricity and improve the overall energy effciency [2]. In most of today's aircraft, large mechanical transmission shafts with a lot of components are driven by central power units, termed centralized drive systems. By the

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Botes, Jan Adriaan. "Development, characterisation and verification of an integrated design tool for a power source of a soya business unit / J.A. Botes." Thesis, North-West University, 2007. http://hdl.handle.net/10394/1943.

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Zuberovic, Aida. "Surface Modified Capillaries in Capillary Electrophoresis Coupled to Mass Spectrometry : Method Development and Exploration of the Potential of Capillary Electrophoresis as a Proteomic Tool." Doctoral thesis, Uppsala universitet, Analytisk kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9554.

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The increased knowledge about the complexity of the physiological processes increases the demand on the analytical techniques employed to explore them. A comprehensive analysis of the entire sample content is today the most common approach to investigate the molecular interplay behind a physiological deviation. For this purpose a method that offers a number of important properties, such as speed and simplicity, high resolution and sensitivity, minimal sample volume requirements, cost efficiency and robustness, possibility of automation, high-throughput and wide application range of analysis is

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Birgonul, Zeynep. "Symbiotic data platform. A receptive-responsive tool for customizing thermal comfort & optimizing energy efficiency." Doctoral thesis, Universitat Internacional de Catalunya, 2020. http://hdl.handle.net/10803/669180.

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Symbiotic Data Platform is a receptive-responsive tool for ‘personalized’ thermal comfort optimization. The research focuses on; searching new possibilities of how to upgrade BIM methodology to be interactive, the possibility of using existing BIM data during the occupation phase of the building, and also, researching on the potential of enhancing energy efficiency & comfort optimization together by taking benefit of BIM material data. The objective of the research is to take benefit of the massive existing data that is embedded in Building Information Models, by exporting the informat

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Vanneste, Thomas. "Développement d'un outil de modélisation aéroélastique du vol battu de l'insecte appliqué à la conception d'un nano-drone résonant." Thesis, Valenciennes, 2013. http://www.theses.fr/2013VALE0021/document.

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Développer, à partir de zéro, un drone imitant le vol battu de l'insecte est une tâche ambitieuse et ardue pour un designer en raison du manque de savoir-faire en la matière. Pour en accélérer le développement pendant les phases de design préliminaires, un outil modélisant les phénomènes aéroélastiques du vol de l'insecte est un véritable atout pour le designer et est le sujet de cette thèse. Le cœur de cet outil est un solveur éléments finis 'structure' couplé, en utilisant une approche par tranche, à un modèle aérodynamique quasi-statique du vol de l'insecte prenant en compte la flexibilité

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SIRIGU, SERGEJ ANTONELLO. "Pitch Resonance Tuning Tanks: a novel technology for more efficient wave energy harvesting." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2744935.

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Сагайдак, Богдан Степанович, та Bogdan Sahaydak. "Оптимізаційне дослідження режимів обробки на токарному верстаті горизонтальної компоновки". Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2019. http://elartu.tntu.edu.ua/handle/lib/29815.

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Роботу виконано на кафедрі конструювання верстатів, інструментів та машин Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки УкраїниЗахист відбудеться 24 грудня 2019 р. на засіданні екзаменаційної комісії №11 у Тернопільському національному технічному університеті імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Руська, 56, навчальний корпус №4, ауд. В1<br>У дипломній роботі магістра розглянуті результати оптимізаційних досліджень режимів обробки на токарному верстаті горизонтальної компоновки. Метою роботи є забезпечення підвищення ефект

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Sautet, Bernard. "Spécification et conception d'un outil de développement de systèmes temps-réel-strict distribués." Toulouse 3, 1996. http://www.theses.fr/1996TOU30100.

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Cette these est une contribution au projet r. S. D. P. (real-time system development project) developpe a l'i. R. I. T. , dont l'objectif est d'obtenir la machine dediee la mieux adaptee pour traiter une application complexe temps-reel-strict donnee, sans que le concepteur tienne compte des problemes temporels et materiels. L'objet de cette these concerne l'outil de developpement integrant les differentes etapes d'une methodologie de conception conjointe materiel-logiciel permettant d'automatiser le passage de la specification a la realisation. Le premier chapitre, developpement de systemes te

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Chahwane, Layal. "Valorisation de l'inertie thermique pour la performance énergétique des bâtiments." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00701170.

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L'inertie thermique constitue un atout essentiel pour stocker l'énergie reçue par le bâtiment et la restituer quand cela est nécessaire : elle permet d'emmagasiner les apports gratuits issus du rayonnement solaire pour réduire les consommations énergétiques liées au chauffage en présence d'une isolation performante. En été, son association à la ventilation nocturne contribue à évacuer l'énergie stockée au cours de la journée limitant ainsi les surchauffes à l'intérieur du bâtiment. Une exploitation optimale de l'inertie passe par une sélection appropriée des matériaux de construction lors de l

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Mirjafari, Mehran. "Automated Synthesis Tool for Design Optimization of Power Electronic Converters." Thesis, 2013. http://hdl.handle.net/1969.1/149257.

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Designers of power electronic converters usually face the challenge of having multiple performance indices that must be simultaneously optimized, such as maximizing efficiency while minimizing mass or maximizing reliability while minimizing cost. The experienced engineer applies his or her judgment to reduce the number of possible designs to a manageable number of feasible designs for which to prototype and test; thus, the optimality of this design-space reduction is directly dependent upon the experience, and expertise and biases of the designer. The practitioner is familiar with tradeoff ana

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Jiang, Jun-Wei, and 江俊蔚. "Application of topology optimization technology in machine tool structural design." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/20148048963153831847.

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碩士<br>國立臺灣大學<br>工程科學及海洋工程學研究所<br>104<br>Topology optimization technology is one of design method which combined with mathematical nonlinear program algorithm and finite element method. This method have been widely used in variety of product design, such as: weight loss design, improved performance, shape design and other product design. Using this method for structural optimization design, not only can significantly reduce development costs and time, but also provide innovative product design concepts. First, according to the machine tool code, configuration code, and the rooted tree this thre

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Brennan, Martin James. "Patched conic interplanetary trajectory design tool." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4849.

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One of the most important aspects of preliminary interplanetary mission planning entails designing a trajectory that delivers a spacecraft to the required destinations and accomplishes all the objectives. The design tool described in this thesis allows an investigator to explore various interplanetary trajectories quickly and easily. The design tool employs the patched conic method to determine heliocentric and planetocentric trajectory information. An existing Lambert Targeting routine and other common algorithms are utilized in conjunction with the design tool’s specialized code to formulate

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Jian, Ming-Hung, and 簡銘宏. "Design Optimization and Analysis of PM Spindle Motor for Machine Tool." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/94092478822416088690.

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碩士<br>逢甲大學<br>電機工程所<br>98<br>The purpose of this thesis is to design a permanent magnet brushless motor for machine tool applications. The structure of this motor is interior-rotor and the magnets are buried inside the rotor. The rated speed and maximum speed are 3900 rpm and 12000 rpm respectively. Under constant power control, the output power can achieve 6.9 kW. In order to increase the motor performances and reduce the manufacturing cost. The Taguchi method is applied to optimize cogging torque, torque ripple and minimize magnet volume. Finally, the demagnetization effect of magnets under

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Secanell, Gallart Marc. "Development of a design tool for aerodynamic shape optimization of airfoils." 2004. http://hdl.handle.net/1828/517.

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Chiang, Ming-Hsiu, and 江明修. "Design and Implementation of Optimization Algorithms in a CAD Tool for System-on-chip Design." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/00703004670013517176.

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碩士<br>大同大學<br>資訊工程研究所<br>91<br>System-on-chip (SOC) design and Intellectual Property (IP) reuse are the key methodologies for electronic industry. A CAD tool for system-on-chip design (short for SOCAD) based on Java and self-timed system technologies is proposed to meet 3C requirements. This thesis presents the design and implementation detail of the optimization algorithms used in SOCAD including modified activity diagram (MAD) and hardware component graph (HCG) optimization schemes. These optimization schemes are applied for better performance, less power consumption and/or less l

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Chiang, Chia-hung, and 蔣佳宏. "Studies on Tool Wear Analysis and Parameters Design Optimization for Cold Forging." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/46584803594221319226.

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碩士<br>國立高雄大學<br>電機工程學系碩士班<br>98<br>In the industry, the forging die design mainly depends on the trial-and-error experiences. These technical approaches can not improve die design effectively and efficiently. This study will apply the method of CAD (Computer Aided Design) and CAE (Computer Aided Engineering) in resolving the above mentioned issues. And it is expected to shorten the time of on-site testing through the DEFORM-3D software which uses FEM (Finite Element Method) for heading and thread rolling simulation. So as to reduce the actual mold testing time and control the parameters of for

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Jou, Jin-Long, and 周金龍. "Studies on Tool Wear Analysis and Parameters Design Optimization for Hot Forging." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/32153652433981412581.

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博士<br>國立成功大學<br>機械工程學系碩博士班<br>93<br>The finite element method (FEM) has been widely used to evaluate forging process design by transferring the trial-and-error design procedures from factory workshop to computer. However, to obtain optimum process parameters, it may take several times of computer simulation, which is very time consuming. This research therefore focused on shortening the process development cycle and a forging design parameter optimization model has been successfully constructed. The forging process simulations were considered as experiments. The orthogonal arrays and Taguchi m

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Joshi, Riddhi. "Design and Fatigue Analysis of an LWD Drill Tool." Thesis, 2019. http://hdl.handle.net/1805/19984.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Previous works suggest that 80% to 90% of failures observed in the rotary machines are accounted for fatigue failure. And it is observed that cyclic stresses are more critical than steady stresses when the failure occurred is due to fatigue. One of the most expensive industries involving rotary machines is the Oil and Gas industry. The large drilling tools are used for oil extracts on-shore and off-shore. There are several forces that act on a drilling tool while operating below the earth's surface. Those forces are namely pressure,

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Wang, Chong-An, and 王崇安. "Design of a Logic Optimization Tool for Exclusive-or Sum-of-Products Expressions." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/61807414759764076354.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>95<br>A logic optimization tool for minimizing the Exclusive-OR Sum of Product (ESOP) forms in a Multi-output Boolean function is designed. ESOP forms have been proven to require fewer products for many classes of functions than the more common Sum of Product (SOP) forms using inclusive-OR operator. In this Thesis, we propose a particular data structure called Sierpinski Gasket to store the information of ESOP expression. Besides, we also propose a two-stage simulated annealing algorithm to perform the ESOP minimization. The benefits of applying the particular da

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Wang, Chong-An. "Design of a Logic Optimization Tool for Exclusive-or Sum-of-Products Expressions." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2207200714473600.

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Karpinska, A. M., and John Bridgeman. "CFD as a tool to optimize aeration tank design and operation." 2017. http://hdl.handle.net/10454/15323.

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Yes<br>In a novel development on previous computational fluid dynamics studies, the work reported here used an Eulerian two-fluid model with the shear stress transport k–ω turbulence closure model and bubble interaction models to simulate aeration tank performance at full scale and to identify process performance issues resulting from design parameters and operating conditions. The current operating scenario was found to produce a fully developed spiral flow. Reduction of the airflow rates to the average and minimum design values led to a deterioration of the mixing conditions and formation of

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Liu, Ching-Hsiang, and 劉清祥. "Applications of Particle Swarm Optimization on Structure Design and Job-Shop Scheduling Problems." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/60568233175220362851.

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碩士<br>國立臺灣海洋大學<br>系統工程暨造船學系<br>93<br>Abstract For the global optimization problems, heuristic algorithms based on the bio-swarm intelligence recently have been developing and their search strategies are also driven to be more efficiency so such that different concepts and methodologies have developed to deal with different problems. In this regard, the particle swarm optimization (PSO) with characteristics of exploration and exploitation is proposed to deal with problems of structural designs and combinatorial optimization. For the structural design problems, a series of testing problems and

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Lin, Ya-Wen, and 林雅雯. "A Web-based CAD tool for System On a Chip Design: Specification and Optimization." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/86466945963577190719.

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碩士<br>大同大學<br>資訊工程研究所<br>88<br>This thesis proposes a web-based CAD tool for system-on-a-chip design. This CAD tool is designed based on Java technology and asynchronous technology. This CAD tool has a user-friendly graphic user interface where system designer can specify the circuit in interest by using graph-based components and automatically translate the graph (i.e. data dependency graph) into VHDL code. This CAD tool can also perform three kinds of optimization automatically to get a circuit with higher performance, less power consumption and less logic. Since this i

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Tseng, Wen-Chou, and 曾文洲. "A Web-based CAD tool for System On a Chip Design: Translation and Optimization." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/64890083754573005960.

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碩士<br>大同大學<br>資訊工程研究所<br>88<br>The traditional CAD tools cannot effectivly support System-On-a-Chip design. We propose a web-based CAD tool for SOC design based on self-timed system technology. The CAD tool (called SOCAD) provides a graph specification tool to describe system behaviors, a translation tool to automatically translate the graph-based specification into VHDL codes and optimization schemes for better performance, less power consumption and/or less logic. This paper focuses on the algorithm of automatic translation from the graph-based specification

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Chen, Run-Yuan, and 陳任垣. "Ball Nuts Cutting Tool Geometry Design of Precision Grinding and Optimization of Machining Parameters." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/53gaq7.

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碩士<br>國立虎尾科技大學<br>機械設計工程研究所<br>101<br>Ball screw drive with low friction and high efficiency characteristics is widely used in machine tools and high-speed precision feeding system of industrial applications. Its machining precision directly affects the vibration, noise and positioning accuracy of transmission. Therefore, key factors for grinding wheel geometry design of ball nuts, tool holder mechanism design and grinding parameters are affecting the machining precision. To meet the demand for precision machining, the geometric parameters mathematical model of grinding wheel profiles is estab

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