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Articles 1 - 4 of 4
Full-Text Articles in VLSI and Circuits, Embedded and Hardware Systems
A Study Of Switched-Capacitor Filters, Kacie Thomas
A Study Of Switched-Capacitor Filters, Kacie Thomas
Electrical Engineering Undergraduate Honors Theses
This paper presents the basic principles of the switched-capacitor circuit. In order to become more acquainted with the workings and design of filters and switched-capacitor filters specifically, an example filter was designed based on a set of parameters. It was constructed starting in the passive stage, then the active stage and finally the switched-capacitor filter was generated. All of these circuits were also simulated using SwitcherCAD and Saber. Then, a switched-capacitor filter designed by Auburn University was redesigned using the same process as the example circuit. It was also simulated in all three stages. The results from this design are …
Hand-Held Flyback Driven Coaxial Dielectric Barrier Discharge: Development And Characterization, Victor J. Law, Vladimir Milosavljevic, Neil O’Connor, James F. Lalor, Steven Daniels
Hand-Held Flyback Driven Coaxial Dielectric Barrier Discharge: Development And Characterization, Victor J. Law, Vladimir Milosavljevic, Neil O’Connor, James F. Lalor, Steven Daniels
Articles
The development of a handheld single and triple chamber atmospheric pressure coaxial dielectric barrier discharge driven by Flyback circuitry for helium and argon discharges is described. The Flyback uses external metal-oxide-semiconductor field-effect transistor power switching technology and the transformer operates in the continuous current mode to convert a continuous dc power of 10–33 W to generate a 1.2–1.6 kV 3.5 μs pulse. An argon discharge breakdown voltage of ∼768 V is measured. With a 50 kHz, pulse repetition rate and an argon flow rate of 0.5–10 argon slm (slm denotes standard liters per minute), the electrical power density deposited in …
A Framework For Evaluating Managerial Styles In Open Source Projects, Tony Wasserman, Eugenio Capra
A Framework For Evaluating Managerial Styles In Open Source Projects, Tony Wasserman, Eugenio Capra
Tony Wasserman
This paper presents the Software Project Governance Framework (SPGF) for characterizing management of software projects, based on mechanisms used for communication and collaboration, the organizational structure of projects, and testing and quality assurance procedures. The framework was developed and validated from interviews and surveys with leaders of more than 70 commercial and community based software projects, including both closed and open source projects.
Diagnosing Faults In Electrical Power Systems Of Spacecraft And Aircraft, Ole J. Mengshoel, Adnan Darwichse, Keith Cascio, Mark Chavira, Scott Poll, Serdar Uckun
Diagnosing Faults In Electrical Power Systems Of Spacecraft And Aircraft, Ole J. Mengshoel, Adnan Darwichse, Keith Cascio, Mark Chavira, Scott Poll, Serdar Uckun
Ole J Mengshoel
Electrical power systems play a critical role in spacecraft and aircraft. This paper discusses our development of a diagnostic capability for an electrical power system testbed, ADAPT, using probalistic techniques. In the context of ADAPT, we present two challenges, regarding modelling and real-time performance, often encountered in real-world diagnostic applications. To meet the modelling challenge, we discuss our novel high-level specification language which supports auto-generation of Bayesian networks. To meet the real-time challenge, we compile Bayesian networks intro arithmetic circuits. Arithmetic circuits typically have small footprints and are optimized for the real-time avionics systems found in spacecraft and aircraft. Using …