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 12 of 12 for “"Average modeling"”.
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An average modeling approach of hybrid power systems for use in mobile refrigeration applications
… the integrated model operation and controls. The modeling approach for each electrical component, including ac machines, the battery set, and converters, is discussed. An average modeling technique is used because it models system-level power and efficiency over a long time interval with fast …
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An investigation of multi-dimensional evolutionary algorithms for virtual reality scenario development
… are evaluated for this purpose – deterministic modeling, auto-regressive moving average modeling, genetic algorithm modeling, and hidden Markov modeling. Benefits, drawbacks, and trade-offs are evaluated with reference to their suitability for development in a VR environment. The methods …
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Systematic Modeling and Design of Sparse Deep Neural Network Accelerators
… it proposes Sparseloop, the first analytical modeling tool for fast, accurate, and flexible evaluations of sparse DNN accelerators, enabling early-stage exploration of the large and diverse sparse DNN accelerator design space. Across representative accelerator designs and workloads, Sparseloop …
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Analysis of Inductor-Coupled Zero-Voltage-Transition Converters
… effect of SVM schemes is also investigated. An average model of the ZVT converter is developed using both the timing analysis and the investigation of SVM schemes, and small-signal analysis using the average model predicts the steady-state characteristics of the converter.
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The Development of Measurement and Characterization Techniques of Road Profiles
… using ARIMA (Autoregressive Integrated Moving Average) modeling techniques. The first step is to consider the road to be a realization of an underlying stochastic process. The model identification techniques are demonstrated. Statistical techniques are developed and used to examine the …
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New Multi-Phase Diode Rectifier Average Models for AC and DC Power System Studies
… the system smaller, lighter and more reliable. Average models provide a good solution to system simulation and can also serve as the basis to derive the small signal model for system-level study using linear control theory. A new average modeling approach for three-phase and nine-phase diode …
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Examining the association between discrimination and risky social networks among illicit drug users
… Using log-binomial regression and population average modeling for neighborhood analyses, discrimination was shown to be significantly associated with more drug and sexual risk networks. Among blacks, discrimination due to race and drug use were important for having more embedded sex networks. …
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Modellistica e progettazione di convertitori elettronici di potenza DC-DC
The present PhD dissertation deals with average modeling, design and experimental verification of power electronic converters. This takes the DC-DC Boost converter as a reference, together with some converter topologies derived from it, such as the interleaved PFC Boost converter. More …
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Modeling and Design of a Monolithic High Frequency Synchronous Buck with Fast Transient Response
… is more difficult in terms of the stability modeling, high switching loss and difficult current sensing etc. The objective of this dissertation is to study the design issues for monolithic integration of high frequency switching DC-DC converter. For this purpose, a high frequency, wide input …
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Design, Modeling and Analysis of an AC-AC Dual Active Bridge Converter
… single-stage SST and focuses on advancements in modeling, design, and control for ac-ac applications. Analytical expressions for phase shifts are derived, leading to the formulation of a design rule. Additionally, a real-time DSP based soft-switching algorithm is developed to meet the primary …
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On the Circuit Oriented Average Large Signal Modeling of Power Converters and its Applications
… and efficient Circuit Oriented Large Signal Average Models (COLSAMs) that approximate the slow dynamics manifold of the moving average values of the relevant state variables for Pulse-Width Modulated (PWM) dc to dc and three-phase to dc power converters is developed. These COLSAMs can cover …
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Modeling, Control and Design Considerations for Modular Multilevel Converters
… location of capacitors, etc. In this study, the modeling, control and design considerations of modular based multilevel converters, with an emphasis on the reliability of the converter, is carried out. Both modular multilevel converters with half-bridge and full-bridge sub-modules are evaluated …