Artificial neural network based modelling of internal combustion engine performance

Dibakor Boruah, Pintu Thakur, Dipal Baruah

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The present study aims to quantify the applicability of artificial neural network as a black-box model for internal combustion engine performance. In consequence, an artificial neural network (ANN) based model for a four cylinder, four stroke internal combustion diesel engine has been developed on the basis of specific input and output factors, which have been taken from experimental readings for different load and rpm circumstances. The input parameters that have been used to create the model are load, engine speed, fuel flow rate (FFR) & air flow rate (AFR); contrariwise the output parameters that have been used are brake power (BP), brake thermal efficiency (BTE), volumetric efficiency (VE), brake mean effective pressure (BMEP) and brake specific fuel consumption (BSFC). To begin with, databank has been alienated into training sets and testing sets. At that juncture, an ANN based model has been developed using training dataset which is based on standard back-propagation algorithm. Subsequently, performance and validation of the ANN based models have been measured by relating the predictions with the experimental results. Correspondingly, four different statistical functions have been used to examine the performance and reliability of the ANN based models. Moreover, Garson equation has been used to estimate the relative importance of the four different input variables towards their specific output. The results of the model suggests that, ANN based model is impressively successful to forecast the performance parameters of diesel engines for different input variables with a greater degree of accurateness and to evaluate relative impact of input variables.
Original languageEnglish
Pages (from-to)568-576
Number of pages9
JournalInternational Journal of Engineering Research & Technology (IJERT)
Issue number03
Publication statusPublished - 28 Mar 2016
Externally publishedYes

Bibliographical note

Open Access. This work is licensed under a Creative Commons Attribution 4.0 International License.


  • Artificial neural networks
  • Internal Combustion Engine
  • Engine performance
  • Relative importance


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