SAE Technical Paper Series 2017
DOI: 10.4271/2017-24-0137
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Fast Hybrid Sensor for Soot of Production CI Engines

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Cited by 6 publications
(4 citation statements)
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“…Despite the domination of optical devices for laboratory and (Portable Emissions Measurement System (PEMS) applications, the maturity level of sensors for OBD applications is considered low. Laser induced incandescence (LII) sensors [25,26] are promising solutions for future advanced sensors.Resistive sensors: The high conductivity of soot particles accumulated in dendritic geometry between two electrodes reduces the resistance of the system [27]. Below a specific value of the resistance the accumulation mode is over, and the regeneration mode of the sensor is activated to clean the soot deposits, increasing the value of resistance to infinite.…”
Section: Introductionmentioning
confidence: 99%
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“…Despite the domination of optical devices for laboratory and (Portable Emissions Measurement System (PEMS) applications, the maturity level of sensors for OBD applications is considered low. Laser induced incandescence (LII) sensors [25,26] are promising solutions for future advanced sensors.Resistive sensors: The high conductivity of soot particles accumulated in dendritic geometry between two electrodes reduces the resistance of the system [27]. Below a specific value of the resistance the accumulation mode is over, and the regeneration mode of the sensor is activated to clean the soot deposits, increasing the value of resistance to infinite.…”
Section: Introductionmentioning
confidence: 99%
“…Despite the domination of optical devices for laboratory and (Portable Emissions Measurement System (PEMS) applications, the maturity level of sensors for OBD applications is considered low. Laser induced incandescence (LII) sensors [25,26] are promising solutions for future advanced sensors.…”
Section: Introductionmentioning
confidence: 99%
“…Results of short-term exhaust gas composition measurement based on absorption spectroscopy have been reported using glass-fiber probes for passing light into the exhaust system [5][6][7][8]. An optical window is also a functional part of a probe for Laser-Induced Incandescence (LII) studies on soot particles [9]. However, the duration of reported tests on actual exhaust gas does not exceed 30 min [10].…”
Section: Introductionmentioning
confidence: 99%
“…For OBD applications, only a few candidates could cope with the demands for low cost, compact dimensions, no need for calibration during lifecycle and accurate PN/PM measurement. At a mature research level, Johannes Kepler University Linz (JKU) has presented a Laser-Induced Incandescence (LII) sensor based on light absorption (Zhang et al, 2017, Zhen Zhang, 2016, Zhen Zhang et al, 2014. Also, 3DATX par SYNC device combines three low-cost environmental sensors based on scattering, extinction and ionisation technique (Johnson et al, 2018).…”
Section: Optical Principlementioning
confidence: 99%