An experimental apparatus has been designed and fabricated to assess the nonlinear dynamics of internal combustion engine (ICE) restart and shutdown. The final objective for the apparatus is to validate the application of two-scale command shaping (TSCS) for reduction of unwanted vibrations during ICE restart. The apparatus allows user-specified torque profiles to be applied to a three-cylinder ICE from an electric machine (EM). In turn, the apparatus can measure oscillations in the driveline and chassis, which will ultimately determine the efficacy of TSCS as applied to engine restart. Preliminary results from the apparatus document its ability to measure the unwanted oscillations in the response of the powertrain during ICE restart and shutdown. The apparatus is also expected to provide data, combined with parameter estimation techniques, to determine otherwise uncertain parameters associated with the ICE and EM.
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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
Experimental Apparatus for Assessing the Nonlinear Dynamics of Engine Restart and Shutdown
Justin Wilbanks,
Justin Wilbanks
Georgia Institute of Technology, Atlanta, GA
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Michael J. Leamy
Michael J. Leamy
Georgia Institute of Technology, Atlanta, GA
Search for other works by this author on:
Justin Wilbanks
Georgia Institute of Technology, Atlanta, GA
Michael J. Leamy
Georgia Institute of Technology, Atlanta, GA
Paper No:
DETC2018-85919, V008T10A013; 12 pages
Published Online:
November 2, 2018
Citation
Wilbanks, J, & Leamy, MJ. "Experimental Apparatus for Assessing the Nonlinear Dynamics of Engine Restart and Shutdown." 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. V008T10A013. ASME. https://doi.org/10.1115/DETC2018-85919
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