2015
DOI: 10.1016/j.egypro.2015.12.152
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Accelerometer Based Methodology for Combustion Parameters Estimation

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Cited by 17 publications
(14 citation statements)
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“…The energy released during the first combustion stage holds the main characteristics of a typical chemical driven process, i.e., very short duration with high rate of heat released. Many works in literature show that such combustion shape can be easy detectable by using an accelerometer mainly because it generates a remarkable vibration which propagates through the engine block [39][40][41]. Cylinder pressure and accelerometer signal typically show high coherence in the frequency range usually associated to the combustion process, i.e., for frequencies lower than 4 kHz [36,40,41].…”
Section: A) Accelerometer-based Soc Methodologymentioning
confidence: 99%
See 1 more Smart Citation
“…The energy released during the first combustion stage holds the main characteristics of a typical chemical driven process, i.e., very short duration with high rate of heat released. Many works in literature show that such combustion shape can be easy detectable by using an accelerometer mainly because it generates a remarkable vibration which propagates through the engine block [39][40][41]. Cylinder pressure and accelerometer signal typically show high coherence in the frequency range usually associated to the combustion process, i.e., for frequencies lower than 4 kHz [36,40,41].…”
Section: A) Accelerometer-based Soc Methodologymentioning
confidence: 99%
“…However, pressure sensors on-board installation is still uncommon, mainly due to problems related to their reliability and cost. To overcome these, over the past years, several remote combustion sensing methodologies were developed to extract information about the combustion process, such as SOC, CA50, within the engine cycle through the real-time processing of signals coming from low-cost sensors (such as speed sensors or accelerometers) mounted on the engine [33][34][35][36][37][38][39]. One of the most studied approaches for the combustion indexes estimation is based on a accelerometer sensor [33,[37][38][39][40][41][42] which has shown a reliable correlation between engine block vibrations and the way in which the energy release process takes place in the combustion chamber.…”
Section: Introductionmentioning
confidence: 99%
“…Several solutions are available in literature. For instance, the accelerometer is considered as a viable solution not only for knock intensity estimation, but also for the MFB50 calculation [7,8]. The ionization current is a valid and robust technology for the in-cylinder pressure signal estimation [9].…”
Section: Introductionmentioning
confidence: 99%
“…However, for now, this technique is limited in engineering because of the high cost and the short service life of the pressure sensor which will be degraded in the extreme working environment. 10…”
Section: Introductionmentioning
confidence: 99%
“…However, for now, this technique is limited in engineering because of the high cost and the short service life of the pressure sensor which will be degraded in the extreme working environment. 10 The indirect method, with its low cost and conveniently mounted sensors, thus offers a solution that seems possible. With this method, the combustion chamber is not invaded, and there are numerous positions for sensor mounting.…”
Section: Introductionmentioning
confidence: 99%