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Dissertations / Theses on the topic 'Decentralized Models'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Weber, Theophane. "Correlation decay and decentralized optimization in graphical models." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/58079.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 213-229) and index.<br>Many models of optimization, statistics, social organizations and machine learning capture local dependencies by means of a network that describes the interconnections and interactions of different components. However, in most cases, optimization or inference on these models is hard due to the dimensionality of the networks. This is so even when using algorithms that take

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2

Qu, Ting, and 屈挺. "Analytical target cascading for decentralized supply chain configuration." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B40988168.

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3

Leung, Kwok Ki. "A decentralized model for loanable fund allocations in commercial banks." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24401.

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This thesis proposes a decentralized procedure for optimal allocation of assets in loan divisions within commercial banks; simulation runs of the procedure demonstrate the feasibility of such an establishment in commercial banks. The decentralized procedure can not only reduce information inputs of the asset allocation system, but also provide a systematic procedure for estimations of the cost of funds and the cost of risk used in the profitability analysis. The simulation results also suggest that the appropriate price paid for the future customer relationships should vary according to the

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4

FANG, XIANG. "DECISION MODELS FOR MANAGING DECENTRALIZED ASSEMBLY SUPPLY CHAINS WITH UNCERTAIN DEMANDS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1177353126.

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5

Liu, Kai, and 劉愷. "A decentralized congestion management approach for the multilateral energy transaction via optimal resource allocation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38750107.

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6

Batchelder, James P. "University Budget Models, Institutional Size, and Student Outcomes." Digital Commons @ East Tennessee State University, 2020. https://dc.etsu.edu/etd/3832.

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The purpose of the non-experimental quantitative research study was to identify if there is a significant difference between the types of budget model an institution utilizes, institutional size, and student enrollment, retention, and graduation rates. This study was to identify if there is significant difference between institutional size and the type budget model utilized. Member institutions of the American Association of State Colleges and Universities (AASCU) were selected to participate in this study due to their similarities of mission and admissions policy. AASCU institutions share a c

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7

Jung, Wooyoung. "Decentralized HVAC Operations: Novel Sensing Technologies and Control for Human-Aware HVAC Operations." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/97600.

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Advances in Information and Communication Technology (ICT) paved the way for decentralized Heating, Ventilation, and Air-Conditioning (HVAC) HVAC operations. It has been envisioned that development of personal thermal comfort profiles leads to accurate predictions of each occupant's thermal comfort state and such information is employed in context-aware HVAC operations for energy efficiency. This dissertation has three key contributions in realizing this envisioned HVAC operation. First, it presents a systematic review of research trends and developments in context-aware HVAC operations. Secon

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8

Questad, Adam (Adam David). "Investigation of I-WASH's community-led total sanitation and alternative decentralized sanitation models in rural Ghana." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74490.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 117-122).<br>2.5 billion people worldwide do not have access to improved sanitation and Sub-Saharan Africa is not on track to meet the MDG sanitation target. As of 2010, Ghana has achieved 14% national improved sanitation coverage and is not projected to meet the sanitation target by 2015 (WHO, UNICEF, 2012). UNICEF, in partnership with the European Union, developed the I-WASH program to assist in eradic

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9

Carlson, Hampus, and Isak Lejon. "Blockchain business networks : Understanding the value proposal within centralized and decentralized governance structures." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75371.

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Purpose – increasing the understanding of what distinguish a decentralized from a centralized blockchain business network and identify its value creating mechanisms. To fulfill this research purpose, three research questions have been derived, RQ1: What distinguishes a decentralized from a centralized blockchain business network?, RQ2: How are the blockchain business network values affected by a decentralized vs centralized network model? and RQ3: Which value creating mechanisms exists within decentralized blockchain networks? Method – This study was conducted as an abductive explorative study

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10

Rosenbaum, Rimolo Jorge. "Una Mirada Sobre la Negociación Colectiva en América Latina." Derecho & Sociedad, 2017. http://repositorio.pucp.edu.pe/index/handle/123456789/118352.

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The author analyzes the current status of freedom of association in Latin America, specifically collective bargaining and the different schemes this institution presents itself after the neoliberal policies of economic deregulation took place in the decade of nineteen ninety.<br>El autor analiza la situación de la libertad sindical en América Latin, específicamente la negociación colectiva y los distintos modelos en los que esta se presenta luego de las políticas neoliberales de desregulación económica de la década de mil novecientos noventa.

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11

Zantedeschi, Valentina. "A Unified View of Local Learning : Theory and Algorithms for Enhancing Linear Models." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSES055/document.

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Dans le domaine de l'apprentissage machine, les caractéristiques des données varient généralement dans l'espace des entrées : la distribution globale pourrait être multimodale et contenir des non-linéarités. Afin d'obtenir de bonnes performances, l'algorithme d'apprentissage devrait alors être capable de capturer et de s'adapter à ces changements. Même si les modèles linéaires ne parviennent pas à décrire des distributions complexes, ils sont réputés pour leur passage à l'échelle, en entraînement et en test, aux grands ensembles de données en termes de nombre d'exemples et de nombre de fonctio

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12

Heer, Phillipp. "Decentralized Model Predictive Controlfor smart grid applications." Thesis, KTH, Reglerteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-133580.

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This thesis focuses on a model predictive control scheme which allows organizing the power production of power plants in a decentralized fashion. That way a less computationally demanding control scheme can be applied to control the frequency at each power plant without a governing, high level controller for the whole power grid. The main contribution was to develop a communication scheme between power plants that can be applied in a competitive environment like the energy market. Most established schemes for decentralized power production require giving away a mathematical representation of a

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13

Schmidt, Henning. "Model based design of decentralized control configurations." Licentiate thesis, KTH, Signals, Sensors and Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1438.

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14

Berg, Timothy Martin. "Model distribution in decentralized multisensor data fusion." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317852.

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15

Ahmed, Quamar F. "Study of decentralised decision models in distributed environments." Thesis, Durham University, 1994. http://etheses.dur.ac.uk/5674/.

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Many of today's complex systems require effective decision making within uncertain distributed environments. The central theme of the thesis considers the systematic analysis for the representation of decision making organisations. The basic concept of stochastic learning automata provides a framework for modelling decision making in complex systems. Models of interactive decision making are discussed, which result from interconnecting decision makers in both synchronous and sequential configurations. The concepts and viewpoints from learning theory and game theory are used to explain the beha

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16

Farokhi, Farhad. "Decentralized Control Design with Limited Plant Model Information." Licentiate thesis, KTH, Reglerteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-63858.

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Large-scale control systems are often composed of several smaller interconnected units. For these systems, it is common to employ local controllers, which observe and act locally. At the heart of common control design procedures for distributed systems lies the often implicit assumption that the designer has access to the global plant model information when designing a local controller. However, there are several reasons why such plant model information would not be globally known. One reason could be that the designer wants the parameters of each local controller to only depend on local model

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17

Mayanja, Rehema. "Decentralized health care services delivery in selected districts in Uganda." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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Decentralization of health services in Uganda, driven by the structural adjustment programme of the World Bank, was embraced by government as a means to change the health institutional structure and process delivery of health services in the country. Arising from the decentralization process, the transfer of power concerning functions from the top administrative hierachy in health service provision to lower levels, constitutes a major shift in management, philosophy, infrastructure development, communication as well as other functional roles by actors at various levels of health care. This stu

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18

Halvarsson, Björn. "Interaction Analysis in Multivariable Control Systems : Applications to Bioreactors for Nitrogen Removal." Doctoral thesis, Uppsala universitet, Avdelningen för systemteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-122294.

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Many control systems of practical importance are multivariable. In such systems, each manipulated variable (input signal) may affect several controlled variables (output signals) causing interaction between the input/output loops. For this reason, control of multivariable systems is typically much more difficult compared to the single-input single-output case. It is therefore of great importance to quantify the degree of interaction so that proper input/output pairings that minimize the impact of the interaction can be formed. For this, dedicated interaction measures can be used. The first par

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19

Carbone, Marc A. "HIERARCHICAL DECENTRALIZED CONTROL TECHNIQUES OF A MODEL DC MICROGRID." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1464259866.

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20

Al-Abbass, Faysal. "Decentralized model reference adaptive systems with variable structure controllers /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487266691094338.

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21

Elliott, Matthew Stuart. "Decentralized model predictive control of a multiple evaporator HVAC system." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3001.

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22

Benelallam, Amine. "Model transformation on distributed platforms : decentralized persistence and distributed processing." Thesis, Nantes, Ecole des Mines, 2016. http://www.theses.fr/2016EMNA0288/document.

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Grâce à sa promesse de réduire les efforts de développement et maintenance du logiciel, l’Ingénierie Dirigée par les Modèles (IDM) attire de plus en plus les acteurs industriels. En effet, elle a été adoptée avec succès dans plusieurs domaines tels que le génie civil, l’industrie automobile et la modernisation de logiciels.Toutefois, la taille croissante des modèles utilisés nécessite de concevoir des solutions passant à l’échelle afin de les traiter (transformer), et stocker (persister) de manière efficace. Une façon de pallier cette problématique est d’utiliser les systèmes et les bases de d

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23

Tamang, Sujata. "Decentralized Reputation Model and Trust Framework Blockchain and Smart contracts." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-393203.

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Blockchain technology is being researched in diverse domains for its ability to provide distributed, decentralized and time-stamped transactions. It is attributed to by its fault-tolerant and zero- downtime characteristics with methods to ensure records of immutable data such that its modification is computationally infeasible. Trust frameworks and reputation models of an online interaction system are responsible for providing enough information (e.g., in the form of trust score) to infer the trustworthiness of interacting entities. The risk of failure or probability of success when interactin

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24

Khan, Imran. "Decentralized Navigation of Multiple Quad-rotors using Model Predictive Control." Thesis, KTH, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-212560.

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In this thesis, we develop a model predictive control (MPC) scheme for the navigationof multiple quadrotors in an environment with obstacles. The overall controlscheme is decentralized, since each quadrotor calculates its own signal based on localinformation. The MPC constraints take care of collision with the static obstacles,inter-agent collisions as well as input saturations. Firstly, we formulate and solvethe problem using a nonlinear MPC framework, where the agents and the obstaclesare modelled as 3D spheres. Secondly, to deal with complexity issues, we linearizethe model and constraints

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25

Mundy, David H. "Decentralised control flow : a computational model for distributed systems." Thesis, University of Newcastle Upon Tyne, 1988. http://hdl.handle.net/10443/2050.

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This thesis presents two sets of principles for the organisation of distributed computing systems. Details of models of computation based on these principles are together given, with proposals for programming languages based on each model of computation. The recursive control flow principles are based on the concept of recursive control flow computing system structuring. A recursive comprises a group of subordinate computing systems connected together by Each subordinate computing system may either be a communications medium. which a a computing system consists of a processing unit, memory som

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26

Farokhi, Farhad. "Decentralized Control of Networked Systems : Information Asymmetries and Limitations." Doctoral thesis, KTH, Reglerteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-141492.

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Designing local controllers for networked systems is challenging, because in these systems each local controller can often access only part of the overall information on system parameters and sensor measurements. Traditional control design cannot be easily applied due to the unconventional information patterns, communication network imperfections, and design procedure complexities. How to control large-scale systems is of immediate societal importance as they appear in many emerging applications, such as intelligent transportation systems, smart grids, and energy-efficient buildings. In this t

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27

Yuan, Bo. "A novel service discovery model for decentralised online social networks." Thesis, University of Derby, 2018. http://hdl.handle.net/10545/622590.

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Online social networks (OSNs) have become the most popular Internet application that attracts billions of users to share information, disseminate opinions and interact with others in the online society. The unprecedented growing popularity of OSNs naturally makes using social network services as a pervasive phenomenon in our daily life. The majority of OSNs service providers adopts a centralised architecture because of its management simplicity and content controllability. However, the centralised architecture for large-scale OSNs applications incurs costly deployment of computing infrastructu

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28

Horner, Anne. "Design of a decentralized model reference adaptive controller for a mobile robot." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-11072008-063541/.

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29

Zhu, Dapeng. "Decentralized structural damage detection and model updating with mobile and wireless sensors." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54261.

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Recent years have seen increasing research interest in structural health monitoring (SHM). Among the many advances in SHM research, “smart” wireless sensors capable of embedded computing and wireless communication have been highly attractive. Wireless communication in SHM systems was originally proposed to significantly reduce the monetary and time cost for installing lengthy cables in an SHM system. Besides wireless sensing, the next revolution in sensor networks has been predicted to be mobile sensor networks that implant mobility into traditional wireless sensor networks. This research ex

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30

Burger, Roelof Jacobus. "Developing a decentralized peripheral Profibus core for a Xilinx FPGA / Roelof Jacobus Burger." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4848.

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The McTronX research group of the North–West University has over some years established a knowledge base in active magnetic bearing (AMB) systems. In 2009, an AMB system that met industrial standards in being robust, reliable and economical was developed by the research group. The digital control of the AMB system was implemented with the use of a dedicated single–board computer and communication hardware that interface with the motor drive electronics, power amplifiers and sensor drive units of the AMB system. A Xilinx® field programmable gate array (FPGA), connected to the single–board compu

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31

Meisser, Fabian. "Financing models in the solar industry Options for central and decentralised electricity generation /." St. Gallen, 2008. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/02601300002/$FILE/02601300002.pdf.

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32

Yadoo, Annabel Leonie. "Delivery models for decentralised rural electrification : case studies in Nepal, Peru and Kenya." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610203.

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33

Miao, Dejun. "Towards an efficient indexing and searching model for service discovery in a decentralised environment." Thesis, University of Derby, 2018. http://hdl.handle.net/10545/622742.

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Given the growth and outreach of new information, communication, computing and electronic technologies in various dimensions, the amount of data has explosively increased in the recent years. Centralised systems suffer some limitations to dealing with this issue due to all data is stored in central data centres. Thus, decentralised systems are getting more attention and increasing in popularity. Moreover, efficient service discovery mechanisms have naturally become an essential component in both large-scale and small-scale decentralised systems and. This research study is aimed at modelling a

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34

Gardner, Donald Anderson. "Experimental Testing of a Decentralized Model Reference Adaptive Controller for a Mobile Robot." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/34130.

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Adaptive controllers allow robots to perform a wide variety of tasks, but the extensive computations required have generated an interest in developing decentralized adaptive controllers. Horner has designed an adaptive controller for a four-degree-of-freedom mobile robot and tested it through simulations. The study described in this thesis uses the techniques described by Horner to design and test a decentralized model reference adaptive controller (DMRAC) for a physical four-degree-of-freedom mobile robot. The study revealed several difficulties in implementing this design. Most notably,

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35

Rosano-Matchain, Hugo Leonardo. "Decentralised compliant control for hexapod robots : a stick insect based walking model." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/2574.

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This thesis aims to transfer knowledge from insect biology into a hexapod walking robot. The similarity of the robot model to the biological target allows the testing of hypotheses regarding control and behavioural strategies in the insect. Therefore, this thesis supports biorobotic research by demonstrating that robotic implementations are improved by using biological strategies and these models can be used to understand biological systems. Specifically, this thesis addresses two central problems in hexapod walking control: the single leg control mechanism and its control variables; and the d

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36

Sherman, Stephanie Irene. "Quantifying the Effects of Uncertainty in a Decentralized Model of the National Airspace System." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/52926.

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The modernization of the National Air Traffic Control System is on the horizon, and with it, the possible introduction of autonomous air vehicles into the national airspace. Per the FAA Aerospace Forecast (FAA, 2013), U.S. carrier passenger traffic is expected to average 2.2 percent growth per year over the next 20 years with government statistics indicating that the average domestic load factor for airlines in 2014 was approximately 84.4 percent (US Department of Transportation, 2015). Adding to that demand, the potential introduction of unmanned and autonomous air vehicles motivates reconsid

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37

Filotheou, Alexandros. "Robust Decentralized Control of Cooperative Multi-robot Systems : An inter-constraint Receding Horizon approach." Thesis, KTH, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-207943.

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In this work, a robust decentralized model predictive control regime for a team of cooperating robot systems is designed. Their assumed dynamics are in continuous time and non-linear. The problem involves agents whose dynamics are independent of one-another, and its solution couples their constraints as a means of capturing the cooperative behaviour required. Analytical proofs are given to show that, under the proposed control regime: (a) Subject to initial feasibility, the optimization solved at each step by each agent will always be feasible, irrespective of whether or not disturbances affec

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38

Martin, Daniel [Verfasser]. "A tuplespace based execution model for decentralized workflow enactment : applied for BPEL / vorgelegt von Daniel Martin." Berlin : dissertation.de, 2010. http://d-nb.info/1006915893/34.

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39

Couras, Daut de Jesus Nogueira Peixoto. "Theoretical and experimental development of a Tesla turbine model applied to decentralized generation through renewable sources." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=4892.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>A presente dissertaÃÃo de mestrado trata do desenvolvimento teÃrico-experimental de um novo modelo da Turbina Tesla, tambÃm conhecida como turbina de discos, em que o foco da pesquisa foi estudar esse dispositivo de propulsÃo visando sua aplicaÃÃo em sistemas de geraÃÃo de energia distribuÃda a partir de fontes renovÃveis de biomassa. Um protÃtipo da turbina foi desenvolvido, em escala de laboratÃrio, para determinar os parÃmetros de projeto atravÃs de estudos teÃrico e experimental, a fim de interpretar os fenÃmenos presentes no

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Quirós, Gustavo [Verfasser]. "Model-based decentralised automatic management of product flow paths in processing plants / Gustavo Arturo Quirós Araya." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018203907/34.

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Dyasi, Nobuhle Marjorie Pretty. "An exploratory study of the implementation of a decentralized water provision model: a case of Chris Hani District Municipality." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/18532.

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It is notable that successful implementation of strategy is very important in any organization - private or public. As such it is not surprising that public sector managers are expected to implement strategies to improve organizational performance and service delivery. Consequently, strategy implementation in the public sector has become an increasingly relevant and topical issue, especially because public sector organizations exist to meet the needs of particular stakeholder groups and maximize organizational performance rather than realize profits. Despite this growing focus of public sector

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Ugulu, Anthony Ifeanyi. "The determinants of decentralised photovoltaic (PV) adoption in urban Nigeria and a verified model for rapid diffusion." Thesis, Heriot-Watt University, 2016. http://hdl.handle.net/10399/3131.

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Microgeneration technologies like residential solar photovoltaic (PV) systems have been shown to have immense potential for energy security and climate change mitigation. As a way of helping to resolve the decades-long power challenge in Nigeria, this study investigated the barriers to, and motives for, domestic PV adoption in Nigeria. It also assessed whether household PV can lead to increased energy use efficiency and examined the role of Government incentives towards large-scale uptake and diffusion. Adoption and innovation diffusion theories, willingness-to-pay (WTP), coproduction and self

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43

Ciobanu, Alexandru. "Tecnologia Blockchain na industria de mercados financeiros : caso BNP Paribas securities services." Master's thesis, Instituto Superior de Economia e Gestão, 2018. http://hdl.handle.net/10400.5/15824.

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Mestrado em Gestão e Estratégia Industrial<br>A Tecnologia Blockchain tem o potencial de revolucionar várias indústrias e tornar os processos mais democráticos, seguros, transparentes e eficientes. Empreendedores, start-ups, investidores, as organizações internacionais e governos identificaram a Blockchain como uma oportunidade disruptiva para mudar o paradigma atual. A Blockchain é uma base de dados pública distribuída que mantém um registo permanente das transações digitais. Por outras palavras, é um arquivo de dados que armazena um registo imutável de todas as transações digitais. Esta ba

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Zhu, Dinghuan. "Multi - Timescale Control of Energy Storage Enabling the Integration of Variable Generation." Research Showcase @ CMU, 2014. http://repository.cmu.edu/dissertations/332.

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A two-level optimal coordination control approach for energy storage and conventional generation consisting of advanced frequency control and stochastic optimal dispatch is proposed to deal with the real power balancing control problem introduced by variable renewable energy sources (RESs) in power systems. In the proposed approach, the power and energy constraints on energy storage are taken into account in addition to the traditional power system operational constraints such as generator output limits and power network constraints. The advanced frequency control level which is based on the r

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Dias, Christine Miranda. "Modelos para a tomada de decisão quanto ao tipo de sistema predial de água não potável." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/3/3153/tde-17072017-114611/.

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Os sistemas prediais de água não potável podem ser do tipo centralizado, quando os efluentes oriundos de diversas edificações são coletados e transportados para um único local de tratamento e redistribuídos para um conjunto de residências; ou descentralizado, quando a coleta, o tratamento e o transporte dos efluentes ocorrem próximos ao local de produção. Porém, tanto o sistema centralizado quanto o descentralizado possui particularidades que os fazem interessantes ou não em aspectos sociais, econômicos e ambientais. Desta forma, o objetivo principal desta pesquisa foi formular modelos matemát

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Raud, Cécile. "L'industrialisation decentralisee : l'experience bresilienne et le modele italien : une analyse a partir du cas de l'etat de santa catarina." Paris, EHESS, 1996. http://www.theses.fr/1996EHES0025.

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Cette these pretend etudier le potentiel et les modalites d'une industrialisation decentralisee au bresil. L'experience de la troisieme italie permet de reconstruire un cadre theorique au sein duquel les dimensions historiques et spatiales du developpement sont prises en compte. Il est alors possible d'offrir une nouvelle lectur du processus d'industrialisation de santa catarina en analysant les caracteristiques socio-economiques de sa population, et d'expliquer sa configuration spatiale a l'aide du concept de district industriel partant du constat que l'urbanisation excessive au bresil entrai

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Sepúlveda, Toepfer Carlos. "Instrumentation, model identification and control of an experimental irrigation canal." Doctoral thesis, Universitat Politècnica de Catalunya, 2008. http://hdl.handle.net/10803/5951.

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This thesis aims to develop control algorithms for irrigation canals in an experimental framework.<br/>These water transport systems are difficult to manage and present low efficiencies in practice. <br/>As a result, an important percentage of water is lost, maintenance costs increase and water users follow a rigid irrigation schedule.<br/>All these problems can be reduced by automating the operation of irrigation canals.<br/>In order to fulfil the objectives, a laboratory canal, called Canal PAC-UPC, was equipped and instrumented in parallel with the development of this thesis. In general, th

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Bhatti, Harrison John. "The future of sustainable society – The state of the art of renewable energy and distribution systems." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37022.

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Today society is facing numerous challenges associated with energy management system. The centralized power generation system is depending on the fossil fuels to generate energy which is harmful to the environment, and it is unable to fulfill the rising demand for electricity. The decentralized power generation system could easily be integrated with renewable energy sources which could satisfy the growing demand for electricity without damaging the environment. This thesis explores the proper energy distribution system (smart grid) which could be fully equipped with the digitalized technology

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Aucamp, Christiaan Daniël. "Model predictive control of a magnetically suspended flywheel energy storage system / Christiaan Daniël Aucamp." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8601.

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The goal of this dissertation is to evaluate the effectiveness of model predictive control (MPC) for a magnetically suspended flywheel energy storage uninterruptible power supply (FlyUPS). The reason this research topic was selected was to determine if an advanced control technique such as MPC could perform better than a classical control approach such as decentralised Proportional-plus-Differential (PD) control. Based on a literature study of the FlyUPS system and the MPC strategies available, two MPC strategies were used to design two possible MPC controllers were designed for the FlyUPS, na

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Gunning, Dan, and Pontus Jernberg. "Estimation of Inter-Cell Interference in 3G Communication Systems." Thesis, Linköpings universitet, Reglerteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-71156.

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In this thesis the telecommunication problem known as inter-cell interference is examined. Inter-cell interference originates from users in neighboring cells and affects the users in the own cell. The reason that inter-cell interference is interesting to study is that it affects the maximum data-rates achievable in the 3G network. By knowing the inter-cell interference, higher data-rates can be scheduled without risking cell-instability. An expression for the coupling between cells is derived using basic physical principles. Using the expression for the coupling factors a nonlinear model descr

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