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.
Results
Showing 1 to 20 of 32 for “"optimal efficiency"”.
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Optimal-efficiency constant-speed control of nonlinear variable reluctance motor drives
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1988.
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Algebraic Multigrid for Discrete Differential Forms
… to solve large-scale linear systems with optimal, or near-optimal efficiency. Since the k-form problems to be solved are arbitrarily large, the need for scalable numerical solvers is clear.
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Distribution-Free Consistent Tests of Independence via Marginal and Multivariate Ranks
… multivariate ranks. Moreover, we establish the optimal efficiency in the statistical sense of both tests. In addition, we also investigate the power of a simple consistent rank correlation coefficient recently proposed by Chatterjee (2021+) against local alternatives. Our results show that …
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Optimized design and analysis of a voltage-fed, push-pull, autotransformer battery discharger for the NASA space platform
… The following report is the result of the optimal design, build and test of Voltage-Fed, Push-Pull Autotransformer battery discharger topology. The main thrust of this document is to achieve an optimal efficiency. The list of available parts is restricted to only those that are approved. …
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An analysis of the efficiency of commercial banks in Namibia
This research analysed the level of efficiency of commercial banks operating in Namibia. The research targeted the big four banks: First National Bank, Bank Windhoek, Standard Bank and Nedbank; by market share in the economy. The research was carried out using data from the respective banks’ annual …
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Torque -Angle Based Analysis and Control of Induction Machines
… control and to specific objectives such as optimal efficiency or power-factor control, etc. It is possible to use torque angle as a control variable or set it as a constant in order to achieve a simplified control of an induction motor. The dynamic performance of such control is comparable …
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Optimization of Integrated Coal Cleaning and Blending Systems
… aspect relative to the plant is that any gain in efficiency flows almost entirely to the "bottom line" for the operation. The incremental quality concept has gained wide acceptance as the best method to optimize the overall efficiency of the various cleaning circuits. Simply stated, the concept …
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Pneumatically Deployed Non-Pressurized Lunar Structures: A Comparative Analysis of Rigid and Inflatable Structures
… that a large-scale structure could yield optimal efficiency and functionality while minimizing resource utilization. Additionally, the research addresses practical considerations such as launch packaging, deployment, and surface operations for these structures, providing actionable …
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Optimizing Snake Locomotion on a Plane: A Variational and Analytical Framework for Friction and Normal Force Modulation
… an analytical framework to investigate the optimal body shapes and gaits that maximize locomotor efficiency and speed for elongated bodies interacting with frictional substrates. By assuming steady, periodic deformations and utilizing resistive force theory (RFT), we derive variational …
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Adjustable Energy Saving Device for Transom Stern Hulls
… is aimed to design a stern interceptor with optimal efficiency not only at top speed, but also cruising/transfer speeds, by a simple regulation of its variable geometrical characteristics (from a construction and operational standpoint). A high fidelity numerical model is developed in the …
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Environmental requirements for optimal naval operational efficiency
… of ocean environment modelling as a part of optimal naval operational efficiency, and thus military oceanography, is evaluated. To be able to do this, the principles of knowledge-based warfare and the ability to make rapid environmental assessments, are introduced. These then form part of …
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Mutually Unbiased Bases in Low Dimensions
… matrix of a qudit may be reconstructed with optimal efficiency if the expectation values of a specific set of observables are known. The required observables only exist if it is possible to identify d mutually unbiased (MU) complex (d×d) Hadamard matrices, defining a complete set of d+1 MU …
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Enabling Richer Insight Into Runtime Executions Of Systems
… needs to be constantly monitored and tuned for optimal efficiency and user satisfaction. With large scale, these systems incorporate significant degrees of asynchrony, parallelism and distributed executions, reducing the manageability of software including performance management. Adding to the …
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IT portfolio attributes and investment choices
… theoretical insights into the components of the optimal solution. Based on design science, my specialized method incorporates mathematical optimization and computational experiments and combines real-world data using the Monte Carlo approach to simulate the experimental data. Consequently, by …
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Computer-aided categorisation and quantification of connectives in English and Arabic (based on newspaper text corpora).
… of the phenomenon of connectivity and, for optimal efficiency, employs computer-aided procedures, particularly those adopted in corpus linguistics, for investigatory purposes. One important methodological requirement is the establishment of two comparable and statistically adequate corpora, …
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Unified Multilevel Adaptive Finite Element Methods for Elliptic Problems
… equations can be solved numerically with near optimal efficiency through the uses of adaptive refinement and multigrid solution techniques. It is our goal to develop a more unified approach to the combined process of adaptive refinement and multigrid solution which can be used with high order …
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Two-dimensional Wakes and Fluid-structure Interaction of Circular Cylinders in Cross-flow
… was studied. The research results find the optimal efficiency of the energy harvesting system by a parametric study.
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Efficient Deep Learning: Model Design and Algorithmic Innovation
… modern AI systems. This thesis addresses these efficiency challenges through an integrated approach, introducing novel methodologies that co-optimize performance and resource utilization in model design, training, and deployment. Central to this research is the development of advanced Neural …
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Design Optimizations of LLC Resonant Converters with Planar Matrix Transformers
… choice for DC-DC converters due to their high efficiency, high power density, and hold-up capability in power supplies for communication systems, datacenters, consumer electronics, and automobiles. With the rapid development of wide-bandgap devices and novel magnetic materials, the push for …
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The Facilities Automated Scheduling Tool (FAST)
… FAST is essential to the Facilities Branch for optimal efficiency and cost-effective performance. Furthermore, many different operators need the system to track their specific projects. Most of these Facilities Specialists are not "regular" computer users, therefore, user-friendliness is of …
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