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Prediction of points and tendencies of the pressure waveform from crankshaft speed measurements
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2000 (English)In: Proceedings of ISMA 25, 2000 International Conference on Noise and Vibration Engineering: 2000 September 13 - 15, [Leuven / [ed] P. Sas, Leuven: Katholieke universiteit , 2000, 907-12 p.Conference paper (Refereed)
Abstract [en]

Direct measurements of the pressure inside the engine have a number of limitations that makes the method expensive and only good for laboratory measurements. Therefore an indirect method to measure the pressure is of main interest. In this study a method based on the crankshaft angular speed fluctuation using neural network has been developed. Two points on the pressure pulse have been reconstructed maximum pressure (Pmax) and start of combustion (SOC). Pmax is predicted with an accuracy of 7.7 MPa and SOC with an accuracy of 1.3 degrees.

Place, publisher, year, edition, pages
Leuven: Katholieke universiteit , 2000. 907-12 p.
Research subject
Engineering Acoustics
Identifiers
URN: urn:nbn:se:ltu:diva-39059Local ID: da655d30-5ef8-11de-9f57-000ea68e967bISBN: 90-73802-72-5OAI: oai:DiVA.org:ltu-39059DiVA: diva2:1012567
Conference
International conference on noise and vibration engineering : 13/09/2000 - 15/09/2000
Note
Godkänd; 2000; Bibliografisk uppgift: CD-ROM; 20090622 (andbra)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Johnsson, RogerÅgren, Anders
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