This paper investigates the dynamic behaviour of a rotating ring that forms an essential element in ring-based vibratory gyroscopes that utilize oscillatory electromagnetic forces. Understanding the effects of nonlinear actuator dynamics is considered important for characterizing the dynamic behavior of such devices. A suitable theoretical model to generate nonlinear electromagnetic force that acts on the ring structure is formulated. In order to predict the dynamic behaviour of a ring system subjected to external excitation and body rotation, discretized equations obtained via Galerkin’s procedure is employed to investigate the time as well as frequency response behavior. Dynamic response in the driving and the sensing directions are examined via time responses, phase diagram, Poincare’ map and bifurcation plots when the input angular motion and the nonlinear electromagnetic force are considered simultaneously. The analysis is envisaged to aid ongoing experimental research as well as for providing design improvements in Ring-based Gyroscopes.
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ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 26–29, 2018
Quebec City, Quebec, Canada
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5185-2
PROCEEDINGS PAPER
Dynamics of a Ring-Type Macro Gyroscope Under Electromagnetic External Actuation Forces
Ibrahim F. Gebrel,
Ibrahim F. Gebrel
University of Western Ontario, London, ON, Canada
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Ligang Wang,
Ligang Wang
Harbin Engineering University, Harbin, China
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Samuel F. Asokanthan
Samuel F. Asokanthan
University of Western Ontario, London, ON, Canada
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Ibrahim F. Gebrel
University of Western Ontario, London, ON, Canada
Ligang Wang
Harbin Engineering University, Harbin, China
Samuel F. Asokanthan
University of Western Ontario, London, ON, Canada
Paper No:
DETC2018-86334, V008T10A028; 9 pages
Published Online:
November 2, 2018
Citation
Gebrel, IF, Wang, L, & Asokanthan, SF. "Dynamics of a Ring-Type Macro Gyroscope Under Electromagnetic External Actuation Forces." Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 30th Conference on Mechanical Vibration and Noise. Quebec City, Quebec, Canada. August 26–29, 2018. V008T10A028. ASME. https://doi.org/10.1115/DETC2018-86334
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