Due to increasingly stringent emission regulations and the need of more efficient powertrains, obtaining information about combustion process becomes a key factor. Low-cost in-cylinder pressure sensors are being developed, but they still present longterm reliability issues, and represent a considerable part of the engine management system cost. Research is being conducted in order to develop methodologies for extracting relevant combustion information using standard sensors already installed on-board. The present work introduces a methodology for combustion parameters estimation, through a control-oriented analysis of structureborne sound. The paper also shows experimental results obtained applying the estimation methodology to different passenger car engines. © 2015 The Authors. Published by Elsevier Ltd.

Accelerometer based methodology for combustion parameters estimation

BUSINARO, ANDREA;CAVINA, NICOLO';CORTI, ENRICO;MANCINI, GIORGIO;MORO, DAVIDE;PONTI, FABRIZIO;RAVAGLIOLI, VITTORIO
2015

Abstract

Due to increasingly stringent emission regulations and the need of more efficient powertrains, obtaining information about combustion process becomes a key factor. Low-cost in-cylinder pressure sensors are being developed, but they still present longterm reliability issues, and represent a considerable part of the engine management system cost. Research is being conducted in order to develop methodologies for extracting relevant combustion information using standard sensors already installed on-board. The present work introduces a methodology for combustion parameters estimation, through a control-oriented analysis of structureborne sound. The paper also shows experimental results obtained applying the estimation methodology to different passenger car engines. © 2015 The Authors. Published by Elsevier Ltd.
Businaro, A.; Cavina, N.; Corti, E.; Mancini, G.; Moro, D.; Ponti, F.; Ravaglioli, V.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/551962
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