DOI: 10.4995/thesis/10251/32666
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Modelling and observation of exhaust gas concentrations for diesel engine control

Abstract: A mis abuelos Manolo y Feli, a Mikel, Ama y Aita.Shine on you crazy diamond.g Resumen. La presente Tesis Doctoral estudia la observación en tiempo real de la concentración en el colector de escape de losóxidos de nitrógeno (NO x ) y del dosado (λ ¡1 ) en motores diesel sobrealimentados. Para ello se fusionan dos fuentes de información diferentes:• Sensores capaces de proporcionar una medida de dichas variables, y• modelos orientados a control que estiman estas variables a partir de otras medidas del motor.El t… Show more

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(3 citation statements)
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“…After the design modifications, on-board NOx sensors have been manufactured with the planar ZrO2 multilayer technology [48]. Current on-board NOx sensors are much more improved in terms of lower cost, reduced warm-up period, smaller size and improved accuracy compared to previously developed on-board NOx sensors [49].…”
Section: On-board Nox Sensorsmentioning
confidence: 99%
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“…After the design modifications, on-board NOx sensors have been manufactured with the planar ZrO2 multilayer technology [48]. Current on-board NOx sensors are much more improved in terms of lower cost, reduced warm-up period, smaller size and improved accuracy compared to previously developed on-board NOx sensors [49].…”
Section: On-board Nox Sensorsmentioning
confidence: 99%
“…The output of this pump is proportional to the NOx concentration in the exhaust gas. However, on-board NOx sensors have some limitations including accuracy, response time, durability during high temperature fluctuations and dependency on O2 concertation in the exhaust [45], [49], [50] . Water in the exhaust gas highly impacts the performance of Several studies investigated the cross-sensitivity of the on-board NOx sensors to ammonia [56]- [58].…”
Section: On-board Nox Sensorsmentioning
confidence: 99%
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