Recurrence Plot Analysis to Study Parameters of a Gasoline Engine

Abstract:

Modern data analysis techniques has been successfully applied in many technical disciplines to understand the complexity of the system. The growing volume of theoretical knowledge about systems dynamic's offered researchers the opportunity to look for non-linear dynamics in data whose evolution linear models are unable to explain in a satisfactory manner. One of the most recent approach in this respect is Recurrence Analysis - RA. It is a graphical method designed to locate hidden recurring patterns, nonstationarity and structural changes. RA approach have first been applied in natural sciences like physics and biology. Quickly, was adopted in economics and engineering. Meanwhile, the fast development of computer resources has provided powerful tools to perform this new and complex model. One free software which we used to perform the analysis is Visual Recurrence Analysis - VRA developed by Eugene Kononov. As is presented in this paper, the recurrence plot investigation for the analyzing of the gasoline engine shows some of the its capabilities in this domain. We chose two specific engine parameters measured in two different tests to perform the RPA. These parameters are ignition angle and engine angular speed. There were computed graphs for each of them. Graphs were analyzed and compared to obtain a conclusion. This work is an incipient research, being one of the first attempt of using recurrence plot for analyzing automotive dynamics. It opens a wide field of action for future research programs.

• Periodical: Applied Mechanics and Materials (Volume 823)
• Pages: 323-328
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.823.323
• Online since: January 2016
• Authors: Constantin Ovidiu Ilie*, Octavian Alexa, Ion Lespezeanu, Marin Marinescu, Dănuț Grosu
• Keywords: Engine Angular Speed, Gasoline Engine, Ignition Angle, Phase Space, Recurrence Plot Analysis (RPA)

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