Electrical instrumentation of a contra-rotating propeller drive system

Author(s)
Angle, Matthew G. (Matthew Gates)
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Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
Advisor
James L. Kirtley, Jr.
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Abstract
A prototype ship propulsion device based on an electric motor that spins propellers in opposite directions was constructed and tested. The device uses a single motor to spin both propellers without a gearbox. The rotor is attached to one propeller and the stator to the other. It relies on the propellers to balance rotational speeds of the two shafts. Non-intrusive Load Monitoring (NILM) techniques were used to diagnose performance of the machine. This analysis confirmed a sensor failure in testing.
Description
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2011.
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (p. 11).
 
Date issued
2011
URI
http://hdl.handle.net/1721.1/66406
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Publisher
Massachusetts Institute of Technology
Keywords
Electrical Engineering and Computer Science.
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