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primary topic: Data-driven lean blowout prediction based on industrial dry low emission gas turbine dataset Using decision tree

Data-driven lean blowout prediction based on industrial dry low emission gas turbine dataset Using decision tree
type: AcademicArticle
type: Article
abstract: Operating at an ultra-lean air/gas ratio, a modern dry low-emission gas turbine can achieve extremely low emissions levels and meet the strict environmental regulation on NOx emissions. On the other hand, ultra-lean combustion is highly prone to tripping caused by thermoacoustic combustion instabilities and Lean Blowout (LBO), which can result in large pressure oscillations in the combustor and decreased component durability. The prediction methods employed for the early identification of an LBO event prior to its occurrence provide an innovative approach to handling LBO. Prior research on LBO prediction focused mostly on laboratory-scale combustion utilizing flame characteristics as the only parameter, without associating the whole gas turbine, which was a poor and inadequate model of the industrial gas turbine. However, the data-driven model based on the historical datasets has shown greater accuracy and replicativity and has not thoroughly explored LBO prediction. This study investigates the LBO error using an entirely data-driven technique using a dataset collected from an actual ultra-lean dry low emission (DLE) gas turbine's log file and applying the decision tree classifier for LBO prediction in comparison to logistic regression. The study shows that the LBO can be detected at least one minute prior to the trip. Furthermore, the decision tree classifier model for LBO prediction shows a robust performance with 99.8 accuracy and outperforms the logistic regression model. © 2022 IEEE.
date: 2022
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

Institute of Electrical and Electronics Engineers Inc.
type: Organization

2022 IEEE Industrial Electronics and Applications Conference, IEACon 2022
type: Collection

A.A. Bahashwan
type: Person
given name: A.A.
family name: Bahashwan

M.B. Omar
type: Person
given name: M.B.
family name: Omar

M. Faqih
type: Person
given name: M.
family name: Faqih

R.B. Ibrahim
type: Person
given name: R.B.
family name: Ibrahim

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primary topic: Data-driven lean blowout prediction based on industrial dry low emission gas turbine dataset Using decision tree