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 31 for “"Experimental Prototype"”.
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An expert advisor system for college management.
… the design of a specific Expert Advisor System experimental prototype, the development of which has been central to the research. A range of system development methodologies have been reviewed, and justification has been provided for the selection of the CommonKADS methodology. Technologies and …
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Αιμοδυναμική μελέτη της ταυτόχρονης δημιουργίας εξωτερικής (shunt) & εσωτερικής (fistula) αρτηριοφλεβικής επικοινωνίας στα μηριαία αγγεία σκύλου: Πειραματική εργασία
… was used for the study of the blood flow in our experimental model. Consequently we describe the design of the experiment, the method the A-V fistula is created and the external shunt is connected. This "mixed" vascular access was studied hemodynamically by recording the pressures and the flow …
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High efficiency DC/AC power converter for photovoltaic applications
… and cyclo-converter phase shift control. An experimental prototype is demonstrated in DC/DC conversion mode for a wide range of output voltages. The proposed control strategy is shown to allow for accurate power delivery with minimal steps taken towards correction. The prototype achieves a …
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A stacked full-bridge microinverter topology for photovoltaic applications
… portions of the line cycle. The design of an experimental prototype to test the stacked full-bridge HF inverter topology is presented along with test results that demonstrate the success of the topology. Future improvements to increase performance are also suggested.
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Design and parametric simulation of radially oriented electromagnetic actuators
… used heavily in the design and refining of two experimental prototype systems. These prototypes showed excellent model-experiment matching. The experimental prototypes are 2.5" radius, 12" length cylindrical transducers that exert nearly 10 psi onto a simulated rock formation with 2 MN/m radial …
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A drifter-based self-powered piezoelectric sensor for ocean wave measurements
… Modules to achieve the output voltages. An experimental prototype has been fabricated and tested to validate the results of the dynamic model and the FEA simulation. A slider-crank mechanism is used to mimic ocean waves throughout the experiment, and the results show a close match between …
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Controle preditivo com número reduzido de estados aplicado a conversor multinível modular
… in C language. Tests were also carried out on an experimental prototype whose circuit refers to one leg of the MMC, and the results obtained confirm the model. In these tests the circulating current was not analyzed.
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ThermoEquil: a secure protocol for committee-based permissionless blockchains
… security of the protocol. An evaluation of our experimental prototype shows thatour protocol has the same security as proof of work and can tolerate less than 50% adversaries. Ourexperimental results show the effectiveness of our work is the best than the other three popular protocols.The …
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A Parallel-Series Two Bridge DC/DC Converter for PV Power Conditioning Systems Used in Hybrid Renewable Energy Systems
… the the DC-link voltage simultaneously. A 2kW Experimental prototype has been provided to validate the feasibility and performance of the converter. Experimental results prove that the converter is able to regulate the DC-link voltage and track the maximum power extracted from the PV array …
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Design of a hardware solar emulator for an experimental microgrid
… LEES group at MIT are currently developing an experimental microgrid. This will enable various studies in the area of microgrid dynamics. The setup consists of a variety of modules that emulate both conventional and renewable sources. In this thesis, we focus on the design of one of these …
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A zero voltage switching boost converter using a soft switching auxiliary circuit with reduced conduction losses
… is examined by means of results obtained from an experimental prototype.
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Mobility feasibility of fuel cell powered hopping robots for space exploration
… fuel cell power system design is proposed and an experimental prototype device was constructed and tested. The results presented indicate that a miniature hydrogen fuel cell power system is a feasible energy generation option for the Microbot system concept. The feasibility of the hopping mobility …
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A Two-DOF Bipedal Robot Utilizing the Reuleaux Triangle Drive Mechanism
… and constant body height during walking. An experimental prototype of the bipedal robot was integrated and experiments were conducted to evaluate the walking capability of the robot. Ongoing future work of the proposed design is also outlined in the thesis.
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A Time-Domain Modeling of Multi-Element Resonant Converter With Capacitive Output Filter
… the theoretical findings from this tool on the experimental prototype of 400V/320W for LLC and CLL resonant converters operating between input voltage 20V-40V.
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Modelling and Performance Evaluation of the Virtual Air Gap Variable Reactor
… would be required in the distribution system. An experimental prototype VAG-VR was developed to investigate three main performance measures: steady state performance, dynamic response and harmonic performance. Over the operating range of the VAG-VR inductance was varied from 100% to 9% of its …
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Developing a comprehensive software environment for passive solar design
… is addressed . Finally, the outcome of an experimental prototype for this s y stem is discussed, as well as my concluding thoughts regarding what I have learned through this endeavor about writing architectural design tool software.
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Doubly-Salient Permanent Magnet Flux-Reversal-Free-Stator Switched Reluctance Machines
… efficient than its predecessor. A experimental prototype motor has been designed and built. Its static torque characteristics correlated well with predicted data. Experimental operation of the drive under open loop speed control shows the efficiency to be 90.8% under non-ideal …
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Digital geometric-sequence control technique for bidirectional dual active bridge DC-DC converters used in future electric vehicles
… proposed control have been verified on a 3.3 kW experimental prototype. Simulation and experimental results show the superior performance of the proposed control techniques over the conventional ones.
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Games-based Techniques and Collaborative Learning Between Arts Students in Higher Education
… inquiry and has informed the creation of an experimental prototype resource. Rather than whether achievement of learning outcomes has been met, many games-based learning initiatives take student and staff satisfaction with a resource as measure of success. This thesis acknowledges the …
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Machine Learning in Security Vulnerability Research
… method and detailing the implementation of an experimental prototype. Finally, Chapters 5 and Chapter 6 provide an empirical assessment of the experiments and conclude by summarizing the research findings, discussing the vulnerabilities discovered and offering a brief outlook on future research …
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