Acta Mechanica Slovaca 2018, 22(2):38-47 | DOI: 10.21496/ams.2018.016

Development of Fuel Maps in Hexadecimal Format for Reduction of NOX Emissions and Application in Real HCCI Engine

Michal Puškár1, Melichar Kopas1, Dušan Puškár1
1 Department of Engineering for Machine Design, Automotive and Transport, Letná 9, 040 01 Košice, Slovak republic

The newest generation of the electronic control systems, which are determined for the combustion engines, is characterised by a complex structure of the control algorithm. Modification of these systems is performed using a data field editing in order to reach the maximal output parameters. The active algorithms of the control units gained a remarkable participation and mutual relation. The control software is operating with the numerical combinations, which are described in a hexadecimal format. There were suggested various types of the fuel maps and they were tested by means of measurement realised during four sequences of a powerful engine. At the same time there were also monitored, during all the operational measurements, the working parameters using a data link connection. The results obtained from measurement that were performed at the complex dynamometric station confirm a relevant contribution in the area of the engine power output characteristics utilizing the developed hexadecimal matrix. A typical characteristic of the engine torque demonstrates a continuous increase of the torque values within a wide range of the engine speed.

Keywords: electronic control unit, fuel maps, engine characteristics.

Published: June 15, 2018  Show citation

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Puškár, M., Kopas, M., & Puškár, D. (2018). Development of Fuel Maps in Hexadecimal Format for Reduction of NOX Emissions and Application in Real HCCI Engine. Acta Mechanica Slovaca, 22(2), 38-47. doi: 10.21496/ams.2018.016
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