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Bayesian models for the determination of resonant frequencies in a DI diesel engine

Bodisco, Timothy A., Reeves, Robert W., Situ, Rong, & Brown, Richard J. (2011) Bayesian models for the determination of resonant frequencies in a DI diesel engine. Mechanical Systems and Signal Processing, 26, pp. 305-314.

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    Abstract

    A time series method for the determination of combustion chamber resonant frequencies is outlined. This technique employs the use of Markov-chain Monte Carlo (MCMC) to infer parameters in a chosen model of the data. The development of the model is included and the resonant frequency is characterised as a function of time. Potential applications for cycle-by-cycle analysis are discussed and the bulk temperature of the gas and the trapped mass in the combustion chamber are evaluated as a function of time from resonant frequency information.

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    ID Code: 46525
    Item Type: Journal Article
    Keywords: Resonant Frequency, MCMC, Inter-cycle Variability, Statistical Inference
    DOI: 10.1016/j.ymssp.2011.06.014
    ISSN: 0888-3270
    Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
    Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)
    Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500)
    Divisions: Current > Schools > School of Curriculum
    Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
    Past > QUT Faculties & Divisions > Faculty of Science and Technology
    Past > Schools > School of Engineering Systems
    Copyright Owner: 2011 Copyright Elsevier Ltd.
    Copyright Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Mechanical Systems and Signal Processing. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Mechanical Systems and Signal Processing (in press) DOI 10.1016/j.ymssp.2011.06.014
    Deposited On: 19 Oct 2011 09:33
    Last Modified: 27 Mar 2013 21:54

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