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 8 of 8 for “"Hierarchical Optimization"”.
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Equation-based hierarchical optimization of a pipeline ADC
… different distribution schemes. Equation-based optimization has been shown effective and time efficient in circuit design, but is impractical for systems due to the large number of variables resulting in long solve times. This work shows an equation-based hierarchical optimization strategy …
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Automating Intensity Modulated Radiation Therapy Treatment Planning by using Hierarchical Optimization
… exposure to normal structures. The IMRT optimization is a complex optimization problem because of the multiple conflicting objectives in it. Due to the complexity of the optimization, the IMRT treatment planning is still a trial and error process. Hierarchical optimization was proposed to …
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Designing Power Converter-Based Energy Management Systems with a Hierarchical Optimization Method
This dissertation introduces a hierarchical optimization framework for power converter-based energy management systems, with a primary focus on weight minimization. Emphasizing modularity and scalability, the research systematically tackles the challenges in optimizing these systems, addressing …
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Data analysis of continuous gravitational waves
… two main projects; the first one is the optimization of a hierarchical search strategy to search for unknown pulsars. This project is divided into two parts; the first part (and the main part) is the semi-coherent hierarchical optimization strategy. The second part is a coherent …
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TOWARDS EFFICIENT LARGE-SCALE BI-LEVEL OPTIMIZATION, ALGORITHMS AND APPLICATIONS
Bi-level optimization is a mathematical framework with a long history of research, dealing with hierarchical optimization problems where one problem is nested within the other. Recently, with the rise of machine learning, bi-level optimization has regained attention as a theoretical framework …
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Network flow optimization for distributed clouds
… This dissertation shows that network flow optimization can improve performance of distributed applications in the cloud by designing high-throughput schemes spanning all three layers. At the physical infrastructure layer, we devise a framework for measuring and understanding throughput of …
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Hierarchical multiscale modeling of Ni-base superalloys
… nm tertiary γ' precipitates to 5-30 μm grains, hierarchical multiscale modeling is essential to address behavior at the component level. The goal of this work is to develop a framework for hierarchical multiscale modeling network that features linkage of several fine scale models to incorporate …
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Mapping with mobile robots
… during registration. <br>To tackle the resulting optimization problem efficiently, we describe <br>a hierarchical optimization techniques that operate on thinned graphs. <br>Experimental results obtained using a mobile robot illustrate the <br>viability of this approach. <br> <br>Finally, we …