Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"Grid Network"”.
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Distributed optimization of traffic delay on a periodic switched grid network
Given a switched network, e.g. a city grid with semaphores in its intersections or a packet network, each unit (car or packet) accumulates some delay while traversing the network. This delay is undesirable but unavoidable, which makes minimizing the total average delay of the network given certain …
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GPS spoofing detection for the power grid network via a multi-receiver hierarchical architecture
… of modernizing the North American electric power grid with the creation of the Smart Grid, thousands of devices called phasor measurement units (PMUs) have been deployed across the U.S. continent to continuously monitor the power grid state in real-time. Each PMU measures voltage and current …
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On the Effects of Device Mobility Upon Resource-Sharing in a Simulated Wireless Grid Network
<p>The primary aim of modern computer networks is to permit simplified sharing of resources (e.g., files and data) or to provide access to remote resources (e.g., printers or remote file-systems). Grid networks aim to provide a more sophisticated framework for securely sharing, selecting and/or …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… have a significant impact on the Distribution network to address increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line network system …
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Impact of Location and Size of Solar PV Plants for Integration in the Lusaka distribution grid network
… have a significant impact on the Distribution network to address increase in system losses at distribution level, voltage drops and load growth. The distribution lines in Lusaka area are heavy-load lines with the highest demand density in Zambia. The Lusaka distribution line network system …
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A statistical mechanics approach for an effective, scalable, and reliable distributed load balancing scheme for grid networks
The advances in computer and networking technologies over the past decades produced new type of collaborative computing environment called Grid Networks. Grid network is a parallel and distributed computing network system that possesses the ability to achieve a higher computing throughput by taking …
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Multi-purpose applications of energy storage systems in a power system network
… of renewable energy into the electricity network. However, the utilization of a BESS for a single application can lead to under-utilization and may not be economical. This thesis focuses on the multi-purpose applications of a BESS in an electricity grid. A novel methodology for the optimal …
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Performance of random network coding for data dissemination
Network coding is an alternative to traditional store-and-forward routing and is known to be necessary to achieve network capacity. It has also been shown randomized network coding is robust, and far outperforms store-and-forward for multicast. While much focus has been on the data rates achievable …
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Performance evaluation of massive MIMO Systems for future wireless access systems
… massive MIMO single base station cell, a 16 cell grid network and a 64 cell grid network. SE values of up to 200 kbps/Hz/cell were obtained with 100 antenna elements and 10 users per cell. The effect of pilot reuse factor for both detection and precoding signal processing systems was also …
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Physical modeling of wind turbine generators in a small scale analog system
… of wind turbines and its use in the micro-grid network. The environment set-up is based on a smart micro-grid system, which consists of the grid, a diesel generator, a solar panel, and a wind farm. The hardware work includes the design of a 2.5kW inverter and a L-C-L grid filter (including …
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Modeling exascale data generation and storage for the large hadron collider computing network
… which is stored within a globally distributed grid network of 70 scientific institutions. By 2027, upgrades to the LHC and CMS detector will allow unprecedented probes of microscopic physics, but in doing so generate 2,000 Petabytes (2 Exabytes) of physics data per year. To address the …
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High Performance Applications for the Single-Chip Message-Passing Parallel Computer
… eliminated. The nodes are connected via a 2-D grid network and each contains a local memory bank. This thesis presents the design and analysis of three high-performance applications for SCMP. The results show that the architecture proves itself as a formidable opponent to several current …
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A review of the emergency electric power supply systems at PWR nuclear power plants
… state and equipment type (Diesel generators, Grid network, Lead-acid batteries, Battery chargers, Inverters, and Power Distribution networks). The trends in the design of Emergency Electric Power supply systems at Nuclear Power Plants are presented. The loss of all alternating current power, …
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Regulating Traffic Flow and Speed on Large Networks: Control and Geographical Self Organizing Map (Geo-SOM) Clustering
… the aforementioned problems. One well-known network-wide control strategy is perimeter control (or gating). Perimeter control is based on the Network Fundamental Diagram (NFD). NFD-based perimeter control techniques are used to solve congestion problems in transportation networks. One …
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Automatic Security Assessment of Control Systems for Critical Cyber -Infrastructures
… workflows, and the state of a working power grid. We introduce a tool-chain that, with a little manual assistance, can automatically generate these models from specifications, continuously update attributes from online event aggregators, and perform security assessment. Aside from checking …
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An evaluation of a data-driven approach to regional scale surface runoff modelling
… can reproduce monthly surface runoff at a 4-km grid network covering 13 watersheds in the Chesapeake Bay area. We used a random forest algorithm to build the model, where monthly precipitation, temperature, land cover, and topographic data were used as predictors, and monthly surface runoff …
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Quantification of Environmentally Sensitive Emissions by Substitution of Traditional Domestic Application Power Sources with Renewable Hydrogen Fuelled Solid Oxide Fuel Cell Combined Heat and Power
… reducing emissions in the national electrical grid network (including reducing emissions from power stations) and increasing use of renewable energy sources, both on large and small scales. Micro- CHP (combined heat and power) is proposed as one solution that could help domestic consumers to …
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Quo Vadis - a framework for intelligent routing in large communication networks
<p>Modern communication networks contain hundreds if not thousands of interconnected nodes. Traffic management mechanisms must be able to support a cost-effective, responsive, flexible, robust, customer-oriented high speed communication environment while minimizing the overhead associated with …
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Entrepreneurial Action as a Spatiotemporal Process in the Aftermath of Disasters
… to identify subsequent opportunities among networked actors under disasters. The first model depicts a simple supply-chain structure where each actor's entrepreneurial action can feed back to his/her spatially interdependent upstream and downstream neighbors. Our model suggests that feedback …
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Modelling and Assessment of Renewable Energy Systems for Remote Rural Areas in Nigeria
… cooking. The idea of utilising a DC micro-grid system instead of the prevalent AC type was also investigated, and the technical challenges inherent in AC grids in an existing RE system with an AC micro-grid network was assessed, and DC micro-grids appear to present a significant opportunity …
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