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Wicked Problems and Professional Work: Disrupting Work in a Mature Field with Incumbent Professions
DownloadFall 2015
The emerging institutional work perspective implicates agency and action in institutional dynamics in contrast to the traditional organizational institutional approach. In this dissertation, my objective was to explore institutional disrupting work in a mature field with incumbent professions. I...
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2016-01-01
Zarifi, Mohammad H., Daneshmand, Mojgan
A highly sensitive, microwave-coupled ring resonator with a widedynamic range is studied for use in sensing applications. The resonator'sstructure has two resonant rings and, consequently, two resonantfrequencies, operating at 2.3 and 2.45 GHz. Inductive and capacitive coupling mechanisms are...
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Wide Input Voltage Inverter Configurations and Control Systems for Renewable Energy Resources
DownloadFall 2023
Nowadays, among renewable energy sources, PV systems are highly popular due to their easy installation and affordability. A key component of the PV system is the inverter, which can significantly affect the reliability, efficiency, and power quality of the system. The PV inverters are required to...
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Spring 2023
This research deals with wide speed control of permanent magnet synchronous machines (PMSMs) driven by voltage-source converters (VSCs). The objective is to develop a current control algorithm that allows said machines to optimize their torque for any speeds within their operational range, for...
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Wide Speed Range Operation of Concentrated Winding Interior Permanent Magnet Synchronous Machines
DownloadFall 2016
The design, simulation and experimental evaluation of an Interior Permanent Magnet Synchronous Motor (IPMSM) are investigated. The motor is designed to be capable of operation from either a concentrated single inverter supply or in an “Open-Winding” configuration using two converters. In order to...