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Electromagnetic Coupling in a dc Motor and Tachometer Assembly

Summary: Electromagnetic Coupling in a dc
Motor and Tachometer Assembly
Shorya Awtar1
Doctoral Candidate, Department of Mechanical
Engineering, Massachusetts Institute of Technology, 77
Massachusetts Avenue, No. 3-470, Cambridge,
MA 02139
e-mail: shorya@mit.edu
Kevin C. Craig
Associate Chair for Graduate Studies and Associate
Professor, Department of Mechanical, Aerospace and
Nuclear Engineering, Rensselaer Polytechnic
Institute, 110 8th Street, Troy, NY 12180
e-mail: craigk@rpi.edu
This paper presents an enhanced tachometer model that takes into
account the effect of electromagnetic coupling that can exist be-
tween the actuator and sensor in an integrated dc motor-
tachometer assembly, where the conventional model is found to be
inadequate. The tachometer dynamics identified in this paper is
experimentally verified, and incorporated in the modeling and pa-


Source: Awtar, Shorya - Department of Mechanical Engineering, University of Michigan


Collections: Engineering