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Study on Ignition Timing Control for Diesel Engines Using In-Cylinder Pressure Sensor
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 03, 2006 by SAE International in United States
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As technologies for simultaneously maintaining the current high thermal efficiency of diesel engines and reducing particulate matter (PM) and nitrogen oxide (NOX) emissions, many new combustion concepts have been proposed, including premixed charge compression ignition (PCCI) and low-temperature combustion.
However, it is well known that since such new combustion techniques precisely control combustion temperatures and local air-fuel ratios by varying the amount of air, the exhaust gas recirculation (EGR) ratio and the fuel injection timing, they have the issues of being less stable than conventional combustion techniques and of performance that is subject to variance in the fuel and driving conditions.
This study concerns a system that addresses these issues by detecting the ignition timing with in-cylinder pressure sensors and by controlling the fuel injection timing and the amount of EGR for optimum combustion onboard. This system was able to attain both cleaner emission gases and stable combustion without being affected by external factors such as the cetane number of the fuel, even with PCCI where combustion is relatively unstable.
CitationHasegawa, M., Shimasaki, Y., Yamaguchi, S., Kobayashi, M. et al., "Study on Ignition Timing Control for Diesel Engines Using In-Cylinder Pressure Sensor," SAE Technical Paper 2006-01-0180, 2006, https://doi.org/10.4271/2006-01-0180.
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