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 65 for “"Converter Design"”.
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Voltage-to-digital converter design
… treats broad aspects of voltage-to-digital converter design. Particular emphasis is placed on material related to designing a converter to satisfy a set of converter specifications that is given in the introduction of the thesis. The converter design is first considered in terms of basic …
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Energy-efficient data converter design in scaled CMOS technology
Data converters bridge the physical and digital worlds. They have been the crucial building blocks in modern electronic systems, and are expected to have a growing significance in the booming era of Internet-of-Things (IoT) and 5G communications. The applications raise energy-efficiency …
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High Voltage DC-DC Converter Design for Submarine Application
… work a proof of concept for a step-down DC-DC converter used in a high voltage submarine application is presented. The purpose of the converter is to step down a 5000V-6000V input to a 24V output which can serve as an input to a submarine sensor. The completed system consists of two stages …
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Digital to Analog Converter Design using Single Electron Transistors
… One important circuit is the Digital to Analog Converter (DAC). DACs are present on many microprocessors and microcontrollers in use today and are necessary in many situations. While other SET circuits have been proposed, including ADCs, no DAC design exists in open literature. We propose three …
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Bidirectional DC-DC Power Converter Design Optimization, Modeling and Control
… is adopted for high power bidirectional dc-dc converter. The DCM related current ripple is minimized with multiphase interleaved operation. The turn-off loss caused by the DCM induced high peak current is reduced by snubber capacitor. The energy stored in the capacitor needs to be discharged …
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Wave energy converter design via a time-domain Rankine panel method
Efficient design of energy converters heavily depends on the capacity of the designer to accurately predict the device's dynamic, which ultimately leads to the power extraction. This is specially true for wave energy converters (WEC), which usually present a high cost per kWh generated. In this …
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High Power Density and High Temperature Converter Design for Transportation Applications
… of high-power-density power electronic converters is driven particularly by modern transportation applications like electrical vehicles and more electric aircraft where the space and carrier capability is limited. However, there are several challenges related to transportation …
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Energy Harvesting from Elliptical Machines: DC-DC Converter Design Using SEPIC Topology
… user’s experience by selecting a new DC-DC converter design, while keeping the other system components intact. The new proposed DC-DC converter design is based on a non-isolated, PWM-switching single-ended primary inductor converter (SEPIC) topology, as opposed to the resonant zero-current …
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Frequency selective analog to digital converter design : optimality, fundamental limitations, and performance bounds
In this thesis, the problem of analysis and design of Analog to Digital Converters (ADCs) is studied within an optimal feedback control framework. A general ADC is modeled as a causal, discrete-time dynamical system with outputs taking values in a finite set. The performance measure is defined as …
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Control of DC Power Distribution Systems and Low-Voltage Grid-Interface Converter Design
… sharing, voltage regulation and efficiency; (b) design of a high-efficiency interface converter to connect dc microgrids with the existing low-voltage ac distributions, with a special focus on common-mode (CM) voltage attenuation. Droop control has been used in dc microgrids to share loads among …
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Machine Learning Enhanced Power Converter Design and Prognostic Health Monitoring in DC Distribution Systems
… stage. However, new challenges emerge as the converter-based systems grow in complexity, i.e., from individual power converter design and control to large-scale management of a series of interconnected converters in DC microgrids and DC distribution systems such as data centers, power grids, …
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Power Converter Design for Maximum Power Transfer and Battery Management for Vibration-Based Energy Harvesting on Commercial Railcars
… into DC for the battery pack. The power converter should be capable of extracting maximum power from the energy harvester as well as acting as a battery manager. Experimental results with the energy harvester conclude that maximum power can be extracted if the harvester is loaded with 2 . …
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1-Gs/s, 12-Bit High-Performance Silicon-Germanium BiCMOS Digital-to-Analog Converter
… important considerations in current-steering D/A converter design is the current mismatch issue in the current-cell array. In this case, one should compensate the current mismatch issue. The proposed calibration approach significantly enhances static and dynamic linearities.
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Design of zero-current switching DC-DC buck converter
… a zero-current switching (ZCS) DC-DC buck converter design, simulation and application. The converter control uses with ZCS technique to decrease the switching losses. Comparing to conventional buck converter, resonant buck converter includes a resonant tank equipped with resonant inductor …
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Computer-aided design and optimization of dc/dc power converters
… system has motivated the development of dc/dc converters that are optimized it terms of price, weight, and volume. This thesis investigates the design and optimization of dc/dc converters for dual-voltage automotive electrical system. A prototype dc/dc converter is developed and experimental …
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A computer-aided graphic design tool for minimum weight inductors in switching converters
A computer-aided design procedure has been developed to determine the minimum weight design solutions, for singly wound EE- and EI-cored inductors that perform the functions of energy storage and transfer in switching DC–DC power converters. Three converter topologies, namely the Buck, the Boost, …
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High Efficiency High Power Density Gan Based Power Supply Unit (PSU) for Data Center Application
… inefficiency. This work attempts to evaluate the design of a GaN based high efficiency and high power density server PSU. A two-stage topology is considered where an active front end rectifier converts 208VAC 3-phase supply to 380VDC. An isolated DC-DC LLC converter employing a planar integrated …
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Local control of multiple module converters with ratings-based load sharing
Multiple module dc-dc converters show promise in meeting the increasing demands on ef- ficiency and performance of energy conversion systems. In order to increase reliability, maintainability, and expandability, a modular approach in converter design is often desired. This thesis proposes local …
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Small-signal analysis of parallel power converters
… approach is developed for parallel power converter modules. The small-signal model of parallel buck converter modules is developed in detail to demonstrate the modelling approach. It is shown that a multiple power converter module system can be reduced to an equivalent single-module system …
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