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Listar por autor "Jiménez, Irina Ayelén"

Mostrando ítems 1-9 de 9

A fuzzy logic map-based knock control for spark ignition engines

Pla Moreno, Benjamín; Bares-Moreno, Pau; Jimenez, Irina Ayelen; Guardiola, Carlos; Zhang, Y.; Shen, Tielong (Elsevier, 2020-12-15)

[EN] Knock control represents one of the most critical aspects to reach optimal thermal efficiency in spark ignition engines, and its research is crucially important because it determines thermal efficiency, engine durability, ...
Acoustic characterization of combustion chambers in reciprocating engines: An application for low knocking cycles recognition

Novella Rosa, Ricardo; Pla Moreno, Benjamín; Bares-Moreno, Pau; Jimenez, Irina Ayelen (SAGE Publications, 2022-01)

[EN] In this paper the acoustic response of a combustion chamber is studied by assuming different pressure field excitation. The viscous effects on the combustion chamber and the finite impedance of the walls have been ...
Adaptive in-cylinder pressure model for spark ignition engine control

Pla Moreno, Benjamín; De La Morena, Joaquín; Bares-Moreno, Pau; Jimenez, Irina Ayelen (Elsevier, 2021-09-01)

[EN] In-cylinder pressure is the most important variable to analyze the combustion process in internal combustion engines, and can be used as feedback signal for closed-loop combustion control and diagnostics. However, ...
Cycle-to-cycle combustion variability modelling in spark ignited engines for control purposes

Pla Moreno, Benjamín; De La Morena, Joaquín; Bares-Moreno, Pau; Jimenez, Irina Ayelen (SAGE Publications, 2020-10)

[EN] A control-oriented model of spark ignition combustion is presented. The model makes use of avaliable signals, such as spark advance, air mass, intake pressure, and lambda, to characterize not only the average combustion ...
Development of Combustion Indicators for Control of Multi-Fuel Engines Based on New Combustion Concepts

Jiménez, Irina Ayelén (Universitat Politècnica de València, 2022-02-28)

[ES] Debido a las regulaciones en materia de emisiones y CO2 la industria automotriz a desarrollado diferentes tecnologías innovadoras. Estas tecnologías incluyen combustibles alternativos y nuevos modos de combustión, ...
In-cylinder pressure smart sampling for efficient data management

Pla Moreno, Benjamín; De La Morena, Joaquín; Bares-Moreno, Pau; Jimenez, Irina Ayelen (SAGE Publications, 2023-07)

[EN] The present paper proposes an optimized algorithm for minimizing the amount of data processed in order to maintain all critical information from the in-cylinder pressure sensor but with minimum computational cost. The ...
Increasing knock detection sensitivity by combining knock sensor signal with a control oriented combustion model

Pla Moreno, Benjamín; Bares-Moreno, Pau; Jimenez, Irina Ayelen; Guardiola, Carlos (Elsevier, 2022-04-01)

[EN] Knock phenomenon reduces the thermal efficiency and restricts performance improvement in spark-ignited engines. Reliable and rapid knock recognition is crucial for the engine knock control. Among the wide set of knock ...
Knock recognition based on vibration signal and Wiebe function in a heavy-duty spark ignited engine fueled with Methane

Napolitano, Pierpaolo; Jimenez, Irina Ayelen; Pla Moreno, Benjamín; Beatrice, Carlo (Elsevier, 2022-05-01)

[EN] Increasing demands on higher performance and lower fuel consumption and emissions have lead the path for internal combustion engine development; this race is nowadays directly related of CO2 emissions reduction. In ...
Low knocking cycles recognition methods based on in-cylinder pressure resonance analysis

Jiménez, Irina Ayelén (Universitat Politècnica de València, 2021-11-24)

[ES] El knock es un fenómeno anormal en los motores de encendido por chispa que debe evitarse para proteger el motor de daños y evitar un ruido excesivo. Los algoritmos de control convencionales retrasan la combustión ...