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primary topic: Effect of activation function in modeling the nexus between carbon tax, CO2 emissions, and gas-fired power plant parameters

Effect of activation function in modeling the nexus between carbon tax, CO2 emissions, and gas-fired power plant parameters
type: AcademicArticle
type: Article
abstract: Huge emissions of carbon dioxide (CO2) from the utilization of fossil fuel for power generation has significantly contributed to global warming. In view of this, technological pathways have been initiated to mitigate the effect of CO2 emissions through capture, storage, and utilization. Besides, there is an increasing acceptance of carbon tax which is levied in the proportion of carbon emissions from the utilization of fossil fuel. In this study, the nexus between carbon tax, equivalent CO2 emissions from the gas-fired power plant, natural gas flow rate, and air-to-fuel ratio was modeled using a perceptron neural network. The effect of various combinations of identity, hyperbolic tangent, and sigmoid activation functions at the hidden and outer layer of the neural network on the performance of the models was investigated. The various network configurations were trained using the Levenberg-Marquardt algorithm with the network errors backpropagated to enhance the performance. The optimized networks consist of three input units, 15 hidden neurons, and one output unit. The network performance in modeling the carbon tax prediction resulted in R2 of 0.999, 0.999, 0.999, 0.998, and 0.999 for model 1, model 2, model 3, model 4, and model 5, respectively which is an indication that the calculated carbon tax was strongly correlated with the predicted values. The prediction errors of 0.019, 0.009, 0.002, 0.016, 0.002 obtained from model 1, model 2, model 3, model 4, and model 5, respectively revealed the robustness of the models in predicting the carbon tax with minimum error. Among the various configurations investigated, the perceptron neural network configured with hyperbolic tangent and sigmoid activation function at the hidden and outer layers, as well as the configuration with sigmoid activation functions at the hidden and outer layers, offer the best performance. The sensitivity analysis shows that the flow rate of the natural gas had the most significant effect on the …
date: 2021
volume: 12
is part of: Energy Conversion and Management: X
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Elsevier Ltd
type: Organization

Energy Conversion and Management: X
type: Collection
issn: 25901745

Yudi Fernando
type: Person
given name: Yudi
family name: Fernando

Bamidele Victor Ayodele
type: Person
given name: Bamidele Victor
family name: Ayodele

Ozavize Freida Ayodele
type: Person
given name: Ozavize Freida
family name: Ayodele

Siti Indati Mustapa
type: Person
given name: Siti Indati
family name: Mustapa

HTML Summary of #20505 Effect of activation function in modeling the nexus between carbon tax, CO2 emissions, and gas-fired power plant parameters
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primary topic: Effect of activation function in modeling the nexus between carbon tax, CO2 emissions, and gas-fired power plant parameters