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Listar por palabra clave "Engine control"

Mostrando ítems 1-6 de 6

Ammonia injection failure diagnostic and correction in engine after-treatment system by NOx and NH3 emissions observation

Pla Moreno, Benjamín; Bares-Moreno, Pau; Sanchis Pacheco, Enrique José; Nakaema-Aronis, André (Elsevier, 2022-08-15)

[EN] To ensure that after-treatment systems (ATS) reduce emissions to the levels for which they were designed, it is essential that the ATS control can rely on the feedback signals from the sensors and actuators that are ...
Considerations on the low-pressure exhaust gas recirculation system control in turbocharged diesel engines

Lujan Martinez, José Manuel; Guardiola García, Carlos; Plá Moreno, Benjamín; Cabrera López, Pedro (SAGE Publications, 2014-01-30)

Although high-pressure exhaust gas recirculation has been commonly used in turbocharged diesel engines for controlling the NOx formation, recent advances in after-treatment and material technology make possible using a ...
Control and Diagnosis of a SCR-ASC After-Treatment System for NOx and NH3 Emission Reduction Under Real Driving Conditions and Potential System Failure

Nakaema Aronis, André (Universitat Politècnica de València, 2023-03-10)

[ES] Para cumplir los límites de emisiones impuestos por los gobiernos y reducir el impacto negativo en el medio ambiente, el uso de sistemas de postratamiento (ATS) se ha convertido en algo esencial para los motores de ...
Control del dosado en motores de encendido provocado en condiciones de cortocircuito

García Hostalet, Alfonso (Universitat Politècnica de València, 2016-10-28)

[EN] Modern turbocharged direct injection SI engines are usually fitted with VVT (camphasers) which allow varying the valve timing according to the control objectives. This may be used chiefly for two purposes: ¿ Improve ...
Model-based simultaneous diagnosis of ammonia injection failure and catalyst ageing in deNOx engine after-treatment systems

Pla Moreno, Benjamín; Piqueras, P.; Bares-Moreno, Pau; Nakaema-Aronis, André (Elsevier, 2023-07-01)

[EN] After-treatment systems (ATS) in vehicle powertrains are developed to achieve maximum pollutant abatement efficiency under design operating conditions. However, anomalies in the ATS may appear during real operation, ...
Optimization strategy for the combination of high-pressure and low-pressure EGR to reduce fuel consumption and NOx emissions in a light duty commercial vehicle

Blanco Chuecos, Carlos Javier (Universitat Politècnica de València, 2019-11-12)

[ES] El presente trabajo aborda una alternativa basada en modelado para la optimización del consumo de combustible y de las emisiones de NOx en un motor Diesel; creando una calibración óptima basada en mapas para la partición ...