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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...
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2018-03-19
An entomologist learns to deal with Canadian winter conditions whilst studying overwintering insects, especially chironomid midges from shallow ponds.
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2020-12-04
Solitary wasps and bees nesting in blackberry stems show surprising diversity (in nest structure, prey, parasites, population sizes, and other features), and so do some members of the field station’s academic community.
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2021-06-04
Teaching university courses (chiefly on insects), both indoors and in the field, yields insights into the personalities of students, as well as general observations about course evaluations and other matters.