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 272 for “"cascading"”.
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Twofish: Automatic Edit Cascading for Diagrams
Creating and editing diagrams, whether for scientific research, education, or otherwise, is tedious and time consuming. When a user makes a small change to a diagram element, they often have to make additional downstream edits to fully propagate the change to the diagram. This is because these …
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Analysis of cascading failures in power networks
Thesis (S.B. and M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Engineering Novel Bandpass Tools for Cascading Gene Expression
Genetic circuits are synthetic biological systems engineered to perform specific functions within living organisms. These circuits play a crucial role in biomanufacturing, optimizing metabolic pathways, and enhancing product yield. With the continuous expansion of genetic circuit engineering, there …
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Stochastic Dynamics of Cascading Failures in Electric-Cyber Infrastructures
… sequence of dependent component failures, called cascading failures. The main thrust of this dissertation is to build a probabilistic framework for modeling cascading failures in power grids while capturing their interactions with the coupled communication systems so that the risk of cascading …
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Cascading Failures and Contingency Analysis for Smart Grid Security
… thesis is to facilitate the understanding of cascading failure and blackouts triggered by multi-component attacks, and to support the decision making in the protection of a reliable and secure smart grid. In this work, a new definition of load is proposed by taking power flow into …
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Measurement of Internal-Conversion Cascading in Uranium-235 Fission Fragments
Made available in DSpace on 2014-12-11T17:26:10Z (GMT). No. of bitstreams: 1 7412254.pdf: 4687198 bytes, checksum: e55f6bdfe0aaa8da4444e18d56a68a86 (MD5) Previous issue date: 1973
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Containing Cascading Failures in Networks: Applications to Epidemics and Cybersecurity
Many real word networks exhibit cascading phenomena, e.g., disease outbreaks in social contact networks, malware propagation in computer networks, failures in cyber-physical systems such as power grids. As they grow in size and complexity, their security becomes increasingly important. In this …
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WAMS-based Intelligent Load Shedding Scheme for Preventing Cascading Blackouts
… system integrity in the event of an evolving cascading failure. The proposed scheme detects and estimates the size of an event by monitoring the tie lines of a control area using Wide Area Measurement Systems (WAMS) and initiates load shedding by removing loads whose locations are optimally …
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A framework for cascading payment and content exchange within P2P systems
… framework to address these challenges. The novel Cascading Payment Content Exchange (CasPaCE) framework was designed and developed to incorporate the use of cascading payments to overcome the problem of copyright violation and prevent free-riding in P2P file-sharing networks. By incorporating the …
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Second-order nonlinear optical interactions and cascading effects in thinorganic films
The presented work describes new concepts of fast switching elements based on principles of photonics. The waveguides working in visible and infra-red ranges are put in a basis of these elements. And as materials for manufacturing of waveguides the transparent polymers, dopped by molecules of the …
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Influence Graphs for Modeling of Cascading Failures in Electric Distribution Networks
… The occurrence of these odd events may lead to cascading failures, which are prominent contributors to blackouts.</p> <p>This paper focuses on the development of a cascade model in a distribution network using Newton-Raphson’s power flow method to study the impact of random line failures on …
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Production of biofuels in a circular cascading bio-based energy system
… production. In this thesis bespoke circular cascading bio-based systems, with AD as the core element, integrating electro-fuel production via CO2 biomethanation and value-added pyrochar via pyrolysis of solid digestate, were proposed to produce sustainable biofuels, namely biogas and …
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Multidisciplinary design optimization of an eVTOL aircraft using analytical target cascading
… multidomain system-of-systems. Analytical Target Cascading (ATC) is a design approach for establishing system-level consistency across independently designed subcomponents via coupled analysis and design. In this work, a hierarchical decomposition approach is introduced for the integration of …
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Critical point study in the Sabah power grid for cascading failure blackouts
Sabah System Grid is made up of 66kV, 132kV and 275kV which link up all major towns in Sabah and Federal Territory of Labuan. As the Grid Owner, SESB is responsible for the development, management and operation of the Sabah System Grid. All activities pertaining to the System Grid are bounded by …
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Theoretical And Experimental Investigation Of The Cascading Nature Of Pressure-Swirl Atomization
… orifice diameter. This is in agreement with the cascading nature of atomization.
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Optimal design of eVTOLs for urban mobility using analytical target cascading (ATC)
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Modeling and mitigating cascading failures in interdependent power grids and communication networks
… communication failures, which, in turn, lead to cascading power failures. Therefore, it is necessary to develop proper models and analytical tools to asses the robustness of interdependent networks to failures. In this thesis, we develop such models with emphasis on interdependent power grids and …
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Cascading Effects Of Predator Removal On The Ecology Of Sea Turtle Nesting Beaches
Traditional views of food web dynamics have characterized species interactions as linear and direct. However, modern food web theory suggests that interactions can also be nonlinear and indirect, so that disturbance at one trophic level is transmitted throughout the community. Many previous studies …
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On control and optimization of cascading phenomena in a class of dynamic networks
… evolution of network topology over the course of cascading failures. Next, we propose a min-max setup for studying the impact of post-disturbance reactance tweaking on the resilience of the system to a worst-case N-k disturbance and devise a MILP reformulation scheme for the underlying bilevel …
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An Initial Exploration of Spatial Spreading of Cascading Failure in an Electric Power System
<p>Large blackouts typically involve the cascading outage of transmission lines. However, little is known about the overall patterns of cascading outages. This research processes and initially examines observed utility data to explore the spatial spreading of cascading failure. The utility data is …
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