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Dissertations / Theses on the topic 'Adaptive control of the flow of requests'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 July 2025

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1

Комарницький, Олег Олександрович, та Oleh Komarnitskiy. "Методи та моделі вдосконалення транспарентної технології таємного Інтернет-голосування". Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/48962.

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Дисертаційна робота присвячена проблемі забезпечення довіри громадян до систем дистанційного таємного голосування через Інтернет (ДТГ), а також скороченню витрат часу виборців на процедуру волевиявлення. Удосконалення спрямовані на підвищення рівня автоматизації трудомістких процедур та надання виборцям можливості аудиту системи ДТГ з метою набуття впевненості у відсутності зловмисного втручання у роботу сервера голосування, яке може призвести до розкриття таємниці голосів та фальсифікації підрахунку, що усуває причини для недовіри до чесності роботи системи ДТГ. Побудовано модель та в
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2

Chiu, Kuan-Shiu. "Adaptive optimization of intelligent flow control." Thesis, University of Sunderland, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288014.

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3

Vea, Anne. "Modelling of Adaptive Geometry Flow Control Solutions in CFD." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19370.

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A synthetic jet is a flow control device which injects a pulsating jet flow of high-momentum fluid into a boundary layer near the wall confining a main flow. The technique is used to prevent or delay boundary layer separation. While the method is well reported for gas flows, less knowledge is available for liquid flows. It has been suggested that synthetic jets might be used in hydro turbines in order to stabilise draft tube flow. When accelerating a liquid flow, the energy consumption required will not only depend on the system mass, but also on the added mass due to acceleration of the liqui
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Coca, Diana Simona. "Adaptive generalised predictive control applied to low-flow inhalational anaesthesia." Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401186.

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5

Chen, Jie. "Adaptive Scheduling and Tool Flow Control in Automated Manufacturing Systems." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/27159.

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The recent manufacturing environment is characterized as having diverse products due to mass customization, short production lead-time, and unstable customer demand. Today, the need for flexibility, quick responsiveness, and robustness to system uncertainties in production scheduling decisions has increased significantly. In traditional job shops, tooling is usually assumed as a fixed resource. However, when tooling resource is shared among different machines, a greater product variety, routing flexibility with a smaller tool inventory can be realized. Such a strategy is usually enabled by an
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6

Pornsinsirirak, Teerachai Nicholas Tai Yu-Chong. "Parylene MEMS technology for adaptive flow control of flapping flight /." Diss., Pasadena, Calif. : California Institute of Technology, 2002. http://resolver.caltech.edu/CaltechETD:etd-09162005-110430.

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7

Su, Pu. "QOS IN COGNITIVE PACKET NETWORKS: ADAPTIVE ROUTING, FLOW AND CONGESTION CONTROL." Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4286.

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With the emergence of various applications that have different Quality of Service (QoS) requirements, the capability of a network to support QoS becomes more and more important and necessary. This dissertation explores QoS in Cognitive Packet Networks (CPN) by using adaptive routing, flow and congestion control. We present a detailed description and analysis of our proposed routing algorithms based on single and multiple QoS constraints. An online estimation of packet loss rate over a path is introduced. We implement and evaluate the adaptive routing scheme in an experimental CPN test-bed. Our
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8

Tipper, David Warren. "Adaptive routing, flow control, and buffer management in computer communication networks." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184526.

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Adaptive routing and flow control methods are necessary in computer networks due to the nonstationary conditions that exist in such networks. In this dissertation three distinct yet complementary approaches to modeling computer networks for performance evaluation and control under nonstationary conditions are presented namely: queueing theory, discrete event simulation, and state variable modeling. The application of these techniques to the design and performance evaluation of adaptive routing and flow control methods is demonstrated with the development of a new two-level hierarchical adaptiv
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9

Coates, Angela M. "Using Adaptive Signal Control to Prioritize Pedestrian Crossing at Continuous Flow Intersections." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1374170215.

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10

Fabbiane, Nicolò. "Adaptive and model-based control in laminar boundary-layer flows." Licentiate thesis, KTH, Mekanik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-154052.

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In boundary-layer flows it is possible to reduce the friction drag by breaking the path from laminar to turbulent state. In low turbulence environments, the laminar-to-turbulent transition is dominated by local flow instabilities – Tollmien-Schlichting (TS) waves – that exponentially grows while being con- vected by the flow and, eventually, lead to transition. Hence, by attenuating these disturbances via localised forcing in the flow it is possible to delay farther downstream the onset of turbulence and reduce the friction drag. Reactive control techniques are widely investigated to this end.
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11

Pern, Nan Jou. "CHARACTERIZATION OF ZERO MASS FLUX FLOW CONTROL FOR LOW SPEED AIRFOIL SEPARATION CONTROL." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_diss/577.

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An adaptive wing, a zero mass ux ow control device for low speed airfoil separation control, is investigated both experimentally and computationally at low speeds. The adaptive mechanism in the wings provides variable camber that can be actuated across a range of frequencies and amplitudes. Piezoelectric actuators are housed in a NACA 4415 airfoil with a chord length of :203 m. The entire adaptive wing assembly is then wrapped under a layer of latex membrane to provide a exible and smooth upper surface pro le. Experimental diagnostics include ow visualization, particle image velocimetry, as we
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12

Wu, Seung Kook. "Adaptive traffic control effect on arterial travel time charateristics." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31839.

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Thesis (Ph.D)--Civil and Environmental Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Hunter, Michael; Committee Member: Guensler, Randall; Committee Member: Leonard, John; Committee Member: Rodgers, Michael; Committee Member: Roshan J. Vengazhiyil. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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13

Van, Langenhove Jan Willem. "Adaptive control of deterministic and stochastic approximation errors in simulations of compressible flow." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066357/document.

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La simulation de systèmes d'ingénierie non linéaire complexes tels que les écoulements de fluide compressibles peut être ciblée pour rendre plus efficace et précise l'approximation d'une quantité spécifique (scalaire) d'intérêt du système. En mettant de côté l'erreur de modélisation et l'incertitude paramétrique, on peut y parvenir en combinant des estimations d'erreurs axées sur des objectifs et des raffinements adaptatifs de maillage spatial anisotrope. A cette fin, un cadre élégant et efficace est celui de l'adaptation dite basé-métrique où une estimation d'erreur a priori est utilisée comm
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Jaworski, P. "Cloud computing based adaptive traffic control and management." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/d63ba84e-bd0c-4e00-8242-310dbbaa3b92/1.

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Recent years have shown a growing concern over increasing traffic volume worldwide. The insufficient road capacity and the resulting congestions have become major problems in many urban areas. Congestions negatively impact the economy, the environment and the health of the population as well as the drivers satisfaction. Current solutions to this topical and timely problem rely on the exploitation of Intelligent Transportation Systems (ITS) technologies. ITS urban traffic management involves the collection and processing of a large amount of geographically distributed information to control dis
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15

Panesar, Kiran S. "Buffer management, adaptive flow control, and automatic incremental state saving in time warp systems." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/8234.

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16

Nichols, S. J. "Simulation and analysis of adaptive routing and flow control in wide area communication networks." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6153/.

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This thesis presents the development of new simulation and analytic models for the performance analysis of wide area communication networks. The models are used to analyse adaptive routing and flow control in fully connected circuit switched and sparsely connected packet switched networks. In particular the performance of routing algorithms derived from the L(_R-I) linear learning automata model are assessed for both types of network. A novel architecture using the INMOS Transputer is constructed for simulation of both circuit and packet switched networks in a loosely coupled multi- microproce
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17

Anderson, Jason Mitchell. "Non-Intrusive Sensing and Feedback Control of Serpentine Inlet Flow Distortion." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/27120.

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A technique to infer circumferential total pressure distortion intensity found in serpentine inlet airflow was established using wall-pressure fluctuation measurements. This sensing technique was experimentally developed for aircraft with serpentine inlets in a symmetric, level flight condition. The turbulence carried by the secondary flow field that creates the non-uniform total pressure distribution at the compressor fan-face was discovered to be an excellent indicator of the distortion intensity. A basic understanding of the secondary flow field allowed for strategic sensor placement to
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18

Muse, Jonathan Adam. "An H-Infinity norm minimization approach for adaptive control." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34830.

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This dissertation seeks to merge the ideas from robust control theory such as H-Infinity control design and the Small Gain Theorem, L stability theory and Lyapunov stability from nonlinear control, and recent theoretical achievements in adaptive control. The fusion of frequency domain and linear time domain ideas allows the derivation of an H-Infinity Norm Minimization Approach (H-Infinity-NMA) for adaptive control architecture that permits a control designer to simplify the adaptive tuning process and tune the uncertainty compensation characteristics via linear control design techniques, band
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19

Kartha, Satish Chandrashekhar. "Active, Passive and Active/Passive Control Techniques For Reduction of Vibrational Power Flow in Fluid Filled Pipes." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/31156.

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The coupled nature of vibrational energy flow in fluid filled piping systems makes its control and subsequent reduction a difficult problem. This work experimentally explores the potential of different active, passive and active/passive control methodologies for control of vibrational power flow in fluid filled pipes. Circumferential modal decomposition and measurements of vibrational power carried by individual wave types were carried out experimentally. The importance of dominant structural bending waves and the need to eliminate them in order to obtain meaningful experimental results has be
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20

SARAF, ADITYA P. "EFFICIENT ALGORITHMS FOR OPTIMAL ARRIVAL SCHEDULING AND AIR TRAFFIC FLOW MANAGEMENT." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1190986679.

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21

Katam, Vamsidhar. "SIMULATION OF LOW-RE FLOW OVER A MODIFIED NACA 4415 AIRFOIL WITH OSCILLATING CAMBER." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_theses/339.

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Recent interest in Micro Aerial Vehicles (MAVs) and Unmanned Aerial Vehicles (UAVs) have revived research on the performance of airfoils at relatively low Reynolds numbers. A common problem with low Reynolds number flow is that separation is almost inevitable without the application of some means of flow control, but understanding the nature of the separated flow is critical to designing an optimal flow control system. The current research presents results from a joint effort coupling numerical simulation and wind tunnel testing to investigate this flow regime. The primary airfoil for these st
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22

Venditti, David A. "An h-adaptive control-volume finite element method for steady, two-dimensional fluid flow and heat transfer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0027/MQ50671.pdf.

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23

Venditti, David A. "An h-adaptive control-volume finite element method for steady, two-dimensional fluid flow and heat transfer /." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21332.

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An unstructured-grid, h-adaptive control-volume finite element method (CVFEM) was formulated, implemented, and tested for the simulation of steady, viscous, incompressible fluid flow and heat transfer in arbitrarily shaped two-dimensional domains. The h-adaptive procedure is based on a posteriori error estimation using a superconvergent recovery or smoothing technique. The CVFEM is based on a co-located, equal-order formulation that deals directly with the primitive variables. A set of sufficient conditions is presented for guaranteeing that the algebraic approximations to the diffusion terms
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24

Kriel, Albertus Johannes. "Pressure formulation and adaptive control of numerical algorithms for transient flow in pipe networks / Albertus Johannes Kriel." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8756.

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Fluid flow network simulation codes are commonly used as a design and analysis tool for many engineering problems such as gas distribution networks, power plants and heat pumps. Two formulations of conservation of momentum have been widely applied in fluid flow network simulation models namely those based on static pressure and those based on total pressure. The total pressure formulations are convenient in that they eliminate the difficulties associated with the calculation of the convective terms and components such as pipe junctions are treated in a straightforward manner based on total pre
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25

Kesting, Arne. "Microscopic Modeling of Human and Automated Driving: Towards Traffic-Adaptive Cruise Control." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1204804167720-57734.

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The thesis is composed of two main parts. The first part deals with a microscopic traffic flow theory. Models describing the individual acceleration, deceleration and lane-changing behavior are formulated and the emerging collective traffic dynamics are investigated by means of numerical simulations. The models and simulation tools presented provide the methodical prerequisites for the second part of the thesis in which a novel concept of a traffic-adaptive control strategy for ACC systems is presented. The impact of such systems on the traffic dynamics can solely be investigated and assessed
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26

Mandour, Eldeeb Mohamed F. "Development and Assessment of Altitude Adjustable Convergent Divergent Nozzles Using Passive Flow Control." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1415283904.

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27

Kesting, Arne. "Microscopic Modeling of Human and Automated Driving: Towards Traffic-Adaptive Cruise Control." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A24070.

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The thesis is composed of two main parts. The first part deals with a microscopic traffic flow theory. Models describing the individual acceleration, deceleration and lane-changing behavior are formulated and the emerging collective traffic dynamics are investigated by means of numerical simulations. The models and simulation tools presented provide the methodical prerequisites for the second part of the thesis in which a novel concept of a traffic-adaptive control strategy for ACC systems is presented. The impact of such systems on the traffic dynamics can solely be investigated and assessed
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28

Taylor, Elvin Lattis Jr. "Modeling and Simulation of a Video-on-Demand Network Implementing Adaptive Source-Level Control and Relative Rate Marking Flow Control for the Available Bit Rate Service." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/31097.

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The Available Bit Rate (ABR) service class for the Asynchronous Transfer Mode (ATM) protocol was originally designed to manage data traffic. ABR flow control makes no guarantees concerning cell transfer delay or cell delay variation. A closed-loop feedback mechanism is used for traffic management. To use this class of service for video transport, the video source will accept feedback from the network and adapt its source rate based on this status information. The objective of this research is to assess the ability of the ATM ABR service class to deliver Moving Picture Experts Group version
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29

Jutila, M. (Mirjami). "Adaptive traffic management in heterogeneous communication networks." Doctoral thesis, Oulun yliopisto, 2017. http://urn.fi/urn:isbn:9789526215211.

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Abstract Communication networks are experiencing a significant growth of data traffic posing new challenges to the overall systems that should become more reactive and adaptive towards dynamically changing traffic, connections and network conditions. This thesis examines adaptive traffic management solutions within heterogeneous communication networks, which can be utilized to improve network performance, provide Quality of Service (QoS) for traffic paths and share resources in a fair way. The developed adaptive methods include solutions for fuzzy flow scheduling (AWFQ, FWQ) and regressive adm
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30

Johansson, Nicklas. "Control of Dynamically Assisted Phase-shifting Transformers." Licentiate thesis, Stockholm : Elektrotekniska system, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4653.

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31

Ben, Ameur Chiheb. "TCP Protocol Optimization for HTTP Adaptive Streaming." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S127/document.

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Le streaming adaptatif sur HTTP, désigné par HAS, est une technique de streaming vidéo largement déployée sur Internet. Elle utilise TCP comme protocole de transport. Elle consiste à segmenter la vidéo stockée sur un serveur web en petits segments indépendants de même durée de lecture et transcodés à plusieurs niveaux de qualité, désignés par "chunks". Le player, du côté du client HAS, demande périodiquement un nouveau chunk. Il sélectionne le niveau de qualité en se basant sur l’estimation de la bande passante du/des chunk(s) précédent(s). Étant donné que chaque client HAS est situé au sein d
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Johansson, Nicklas. "Aspects on Dynamic Power Flow Controllers and Related Devices for Increased Flexibility in Electric Power Systems." Doctoral thesis, KTH, Elektriska maskiner och effektelektronik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37823.

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This thesis studies different aspects of Flexible AC Transmission System (FACTS) devices which are used to improve the power transfer capability and increase the controllability in electric power systems. In the thesis, different aspects on the usage and control of Dynamic Power Flow Controllers (DPFC) and related FACTS devices are studied. The DPFC is a combination of a Phase Shifting Transformer (PST) and a Thyristor Switched Series Capacitor (TSSC)/Thyristor Switched Series Reactor (TSSR). The thesis proposes and studies a new method, the Ideal Phase-Shifter (IPS) method, for selection and
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Liang, Jiaqi. "Wind energy and power system interconnection, control, and operation for high penetration of wind power." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/47570.

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High penetration of wind energy requires innovations in different areas of power engineering. Methods for improving wind energy and power system interconnection, control, and operation are proposed in this dissertation. A feed-forward transient compensation control scheme is proposed to enhance the low-voltage ride-through capability of wind turbines equipped with doubly fed induction generators. Stator-voltage transient compensation terms are introduced to suppress rotor-current overshoots and torque ripples during grid faults. A dynamic stochastic optimal power flow control scheme is propose
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34

Fabbiane, Nicolò. "Transition delay in boundary-layer flows via reactive control." Doctoral thesis, KTH, Stabilitet, Transition, Kontroll, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187173.

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Transition delay in boundary-layer flows is achieved via reactive control of flow instabilities, i.e. Tollmien-Schlichting (TS) waves. Adaptive and model-based control techniques are investigated by means of direct numerical simulations (DNS) and experiments. The action of actuators localised in the wall region is prescribed based on localised measurement of the disturbance field; in particular, plasma actuators and surface hot-wire sensors are considered. Performances and limitations of this control approach are evaluated both for two-dimensional (2D) and three-dimensional (3D) disturbance sc
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35

Feuvrier, Audrey. "Contrôle bio-inspiré d’un sillage turbulent par stratégie passive ou auto-adaptative." Thesis, Orléans, 2015. http://www.theses.fr/2015ORLE2059/document.

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Les décollements autour d’un corps en mouvement sont à l’origine de détériorations des performances aérodynamiques, de fatigues structurelles ou de nuisances sonores. La compréhension de ces phénomènes reste encore aujourd’hui l’un des enjeux majeurs de la recherche en aérodynamique. Le développement de systèmes permettant de contrôler l’écoulement et d’altérer ou de réduire les décollements apparaît comme une solution prometteuse en vue d’améliorer les performances aérodynamiques. On distingue les systèmes de contrôles passifs, simples d’utilisation mais incapables de s’adapter aux modificati
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36

Balasubramanian, Ganapathi Raman. "Low-order coupled map lattices for estimation of wake patterns behind vibrating flexible cables." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0908103-105504.

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Thesis (Ph. D.)--Worcester Polytechnic Institute.<br>Keywords: fluid-structure interaction; low dimensional models; coupled map lattices; vortex shedding; cylinder wake patterns; flow control; multi-variable least squares algorithm; neural networks; adaptive estimation. Includes bibliographical references (p. 147-149).
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Gilliocq-Hirtz, Diane. "Techniques variationnelles et calcul parallèle en imagerie : Estimation du flot optique avec luminosité variable en petits et larges déplacements." Thesis, Mulhouse, 2016. http://www.theses.fr/2016MULH8379/document.

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Le travail présenté dans cette thèse porte sur l'estimation du flot optique par méthodes variationnelles en petits et en grands déplacements. Nous proposons un modèle basé sur la combinaison locale-globale à laquelle nous ajoutons la prise en compte des variations de la luminosité. La particularité de ce manuscrit réside dans l'utilisation de la méthode des éléments finis pour la résolution des équations. En effet, cette méthode se fait pour le moment très rare dans le domaine du flot optique. Grâce à ce choix de résolution, nous proposons d'implémenter un contrôle local de la régularisation a
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38

Kohls, Airton G. "Flow-based Adaptive Split Signal Control." 2010. http://trace.tennessee.edu/utk_graddiss/716.

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Over the last 35 years many adaptive traffic signal control systems have been developed presenting alternative strategies to improve traffic signal operations. However, less than 1% of all traffic signals in the United States are controlled by adaptive systems today. The extensive infrastructure necessary including reliable communication and complex calibration leads to a time consuming and costly process. In addition, the most recent National Traffic Signal Report Card indicated an overall grade of D for the nation’s traffic signal control and operations. Recent economic adversity adds to the
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39

Chen, Jeng-Der, and 陳正德. "Adaptive Flow Control Schemes for ATM Networks." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/30545232300807408729.

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碩士<br>大同工學院<br>資訊工程學系<br>84<br>The purpose of this thesis is to propose a modified explicit rate indication for congestion avoidance (MERICA) scheme for ATM networks. This modified scheme belongs to the class of closed- loop rate-based congestion control scheme. Three aspects are modified for making the scheme to adapt to various traffic types of ATM networks. First, the VBR (Variable-bit Rate) and CBR (Constant-bit Rate) traffics are considered. Second, a congestion eliminating scheme is s
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40

Hsieh, Jin-Shing, and 謝景星. "Adaptive Flow Control Scheme for Differentiated Services." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/44773261131473154607.

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碩士<br>國立中山大學<br>資訊工程學系研究所<br>88<br>Differentiated Services architecture permits the allocation of different levels of service to different users. And the Assured Forwarding Per-Hop-Behavior Group defined different drop precedence in the DS routers to provide soft guarantees. However, it has been observed that the drop precedence cannot achieve the desired target rates because of the strong interaction of the transport protocol with packet drops in the Internet. An Internet Service Provider (ISP) does not know what kind of traffic will be sent into the network, so the Internet Service Provider
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Guo, Ling-Bin, and 郭令斌. "Fuzzy Adaptive Predictive Flow Control of ATM Network Traffic." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/55941040577213334029.

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碩士<br>國立清華大學<br>電機工程學系<br>89<br>In order to exploit the nonlinear time-varying property of network traffic, the traffic flow from controlled sources is described by fuzzy autoregressive moving-average model with auxiliary input(ARMAX process), with the traffic flow from uncontrolled sources(i.e., cross traffic) being described as external disturbances. In order to overcome the difficulty of the transmission delay in the design of congestion control, the fuzzy traffic model is translated to an equivalent fuzzy predictive
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施凱中. "An Adaptive Flow Control Mechanism for VEBONE(Virtual Environment backBONE)." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/43405506324459008455.

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碩士<br>國立屏東科技大學<br>資訊管理系<br>89<br>In the distributed virtual environment (DVE), a group of users participate a common 3D space (virtual world) created by the computer graphic technology. It gives an illusion of the interaction with other people as in the real world. One of the key technologies enabling DVE is the efficient network transport mechanism, which rapidly carries out the exchange of update packets among participant computers, regarding the latest status of various objects presented in the virtual world, so that a consistent view can be maintained. For this purpose, we have previously
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Pornsinsirirak, Teerachai Nicholas. "Parylene MEMS technology for adaptive flow control of flapping flight." Thesis, 2002. https://thesis.library.caltech.edu/3564/1/Pornsinsirirak_tn_2002.pdf.

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This thesis is the culmination of research work in developing a parylene MEMS technology to fabricate MEMS wings and large-area parylene actuator skins for real-time adaptive flow control for flapping flight applications. In this thesis, the novel MEMS-based wing technology is presented using titanium-alloy metal (Ti-6A1-4V) as wingframe and parylene-C as wing membrane. With this technology, the ability to produce light, yet robust, 3-D wings can be achieved. The use of MEMS technology enables systematic research in terms of repeatability, size control, weight minimization, and mass product
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Yang, Yu-Shuang, and 楊玉霜. "Optimal and Fuzzy Adaptive Predictive Traffic Flow Control of ATM Networks." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/12134953885332718877.

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博士<br>國立交通大學<br>電信工程系<br>91<br>ATM network is the most popular transport technology and becomes more and more important on broadband network recently. Most real time or non real-time traffic of wired or wireless network will be integrated or internetworked to ATM networks. To integrate various types of traffic, avoid traffic congestion and ultimately gain the high bandwidth utilization on ATM networks, three issues are considered in this dissertation. First, a control-theoretic algorithm to deal with the congestion control problem is presented to adjust the ABR source rates. With t
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M, Chuang C., and 莊志銘. "Design and Implementaion of Adaptive Flow Control for TCP/IP Protocol." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/08668184473865251277.

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碩士<br>中華大學<br>資訊工程學系碩士班<br>89<br>To fully utilize network bandwidth, we first intercept network packets by use of firewall module and then query the database for information about allowable bandwidth allocated to the forthcoming connection. Our design features that if only one connection is present, the connection is given permission to use entire network bandwidth. However if more connections are established, based on the criteria defined in the database, we allocate proportional bandwidth to the corresponding connections. Once the connection is closed, we retract the allocated bandwidth conf
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Tsai, Meng-Lieh, and 蔡孟烈. "Adaptive Virtual Channel Flow Control in MIN Under Bursty Traffic - Simulation and Evaluation." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/73709443189618941966.

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碩士<br>國立中興大學<br>資訊科學研究所<br>91<br>The MIN (Multistage Interconnection Network) using virtual channel flow control can increase the network throughput, and reduce the impact of network size on the performance of the network. So far, there are few papers concerning the MIN using virtual channel under bursty traffic[20][21]. Previous research[20] shows that there are up to 10% fraction of idling memory space within allocated virtual channel in the MIN. We find that this can be improved by adjusting the allocation policy of buffer memory. In this paper we proposed a simple, yet efficient virtua
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吳怡潔. "Adaptive Signal Control Model with Consideration of Emission Concentration under Mixed Traffic Flow Conditions." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84489466276284084184.

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碩士<br>國立交通大學<br>交通運輸研究所<br>100<br>Since road traffic is one of major sources of air pollution, a model which can replicate traffic behaviors, traffic emissions, emission dispersion so as to serve as the platform for evaluating or optimizing traffic control strategies deems necessary. Based on this, this study develops and optimizes an adaptive signal control model which can minimize the total traffic emissions and control the pollution concentration at road-side environmental sensitive areas (such as hospitals or schools) under a certain preset threshold in order to reduce the environmental im
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Chang, Chai-Pi, and 張家碧. "Adaptive Emergency Message Broadcasting Mechanism for Traffic Flow Control over 802.11P/WAVE DSRC Networks." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/19122606785496427256.

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碩士<br>國立高雄應用科技大學<br>資訊工程系<br>99<br>The vehicular communications and intelligent transportation system (ITS) are widely investigated in recent decade years. The technology of the vehicle-to-vehicle (V2V) communications is an important issue on these related researches, and there are many proposed mechanisms, which integrate the vehicular communications with the emergency call services. Take the next generation 9-1-1 (NG9-1-1) for an example, the NG9-1-1 is a strategy to mainly inform the urgent message data, i.e., the self-position, and the goal of the mechanism is to reduce the probabilities o
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Hart, Robert Andrew. "Measurement and control of complexity effects in branched microchannel flow systems." 2012. http://hdl.handle.net/2152/22142.

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Complex flow structures consisting of branching, multi-scale, hierarchically arranged flow paths can be a beneficial in certain applications by providing lower hydraulic and thermal resistances than conventional flow arrangements. In this study, an experimental approach was used to investigate the hydrodynamic and thermal effects of the complexity, or degree of branching, in microscale complex flow structures. The primary focus of this work was to develop new concepts to advance the current capabilities of complex flow structures through management of complexity. The effects of complexity w
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Chih-WeiYeh and 葉志韋. "An Enhanced Cell Transmission Model for Establishing an Adaptive Signal Control Logic under Mixed Traffic Flow Conditions." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/t65txx.

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碩士<br>國立成功大學<br>交通管理科學系<br>102<br>This research is to develop an adaptive signal control logic under mixed traffic flow conditions. There are two objectives: (1) develop a traffic prediction model under mixed traffic flow condition which is proper to adaptive signal control logic, (2) Measure the performance of the adapative signal control logic. The traffic prediction model is called enchanced cell transmission model (enhanced CTM) developed by observing both real vehicle driving behavior and simulation result in VISSIM software. This model fits some traffic condition such as permissive motor
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