Mixture density networks-based knock simulator

X Shen, T Ouyang, C Khajorntraidet, Y Li… - IEEE/ASME …, 2021 - ieeexplore.ieee.org
The engine knock simulator is useful for the evaluation of the feedback knock controllers and
also the calibration of the feedforward control input without experiments in spark-ignition …

Gaussian mixture model clustering-based knock threshold learning in automotive engines

X Shen, Y Zhang, K Sata, T Shen - IEEE/ASME Transactions on …, 2020 - ieeexplore.ieee.org
In this article, a Gaussian mixture model (GMM) clustering-based method is proposed to
learn the optimal threshold of the knock intensity metric, which minimizes the probability of …

A new knock event definition for knock detection and control optimization

P Bares, D Selmanaj, C Guardiola, C Onder - Applied Thermal Engineering, 2018 - Elsevier
In this paper, the knock phenomenon is studied and characterized in the time-frequency
domain. From the analysis results, a new knock event definition is proposed, which …

Investigation on the knock characteristics in a gasoline direct-injection engine port-injected with water-methanol blends

R Rogóż, ŁJ Kapusta, N Miganakallu, Z Yang… - Energy Conversion and …, 2022 - Elsevier
Combustion knock is one of the key factors limiting the performance of spark-ignition
engines, and thus great emphasis is placed on developing methods for effective and …

The potential of statistical RANS to predict knock tendency: Comparison with LES and experiments on a spark-ignition engine

A d'Adamo, S Breda, F Berni, S Fontanesi - Applied Energy, 2019 - Elsevier
Pollutant regulations and fuel consumption concerns are the driving guidelines for increased
thermal efficiency and specific power in current internal combustion engines. The …

Characterization of knock intensity distributions: Part 1: statistical independence and scalar measures

JM Spelina, JC Peyton Jones… - Proceedings of the …, 2014 - journals.sagepub.com
The characterization of knock intensity distributions can provide useful insights into the
process and help to improve knock control system designs. In this paper, an extensive …

Recent advances in knock analysis, simulation, and control

JM Spelina, JCP Jones, J Frey - SAE International Journal of Engines, 2014 - JSTOR
This paper collates and summarizes recent advances in knock analysis, simulation and
control. The statistical properties of knock intensity and knock events are reviewed showing …

[HTML][HTML] Development and experimental validation of an adaptive, piston-damage-based combustion control system for si engines: Part 1—evaluating open-loop chain …

A Brusa, N Cavina, N Rojo, J Mecagni, E Corti… - Energies, 2021 - mdpi.com
This work is focused on the development and validation of a spark advance controller,
based on a piston “damage” model and a predictive knock model. The algorithm represents …

Development of a RANS-based knock model to infer the knock probability in a research spark-ignition engine

A d'Adamo, S Breda, S Iaccarino, F Berni… - … International Journal of …, 2017 - JSTOR
Engine knock is one of the most limiting factors for modern Spark-Ignition (SI) engines to
achieve high efficiency targets. The stochastic nature of knock in SI units hinders the …

Evaluation of cylinder state estimator using fuel evaporation assessment in a PFI methanol HD SI engine

A Lius, A Cronhjort, O Stenlaas - 2022 - sae.org
Modern spark-ignited (SI) engines offer excellent emission reduction when operated with a
stoichiometric mixture and a three-way catalytic converter. A challenge with stoichiometric …