Turbojet engine industrial min-max controller performance improvement using fuzzy norms

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dc.contributor.authorJafari, Soheil
dc.contributor.authorNikolaidis, Theoklis
dc.date.accessioned2018-11-13T14:23:06Z
dc.date.available2018-11-13T14:23:06Z
dc.date.issued2018-11-11
dc.description.abstractThe Min–Max control strategy is the most widely used control algorithm for gas turbine engines. This strategy uses minimum and maximum mathematical functions to select the winner of different transient engine control loops at any instantaneous time. This paper examines the potential of using fuzzy T and S norms in Min–Max selection strategy to improve the performance of the controller and the gas turbine engine dynamic behavior. For this purpose, different union and intersection fuzzy norms are used in control strategy instead of using minimum and maximum functions to investigate the impact of this idea in gas turbine engines controller design and optimization. A turbojet engine with an industrial Min–Max control strategy including steady-state and transient control loops is selected as the case study. Different T and S norms including standard, bounded, Einstein, algebraic, and Hamacher norms are considered to be used in control strategy to select the best transient control loop for the engine. Performance indices are defined as pilot command tracking as well as the engine response time. The simulation results confirm that using Einstein and Hamacher norms in the Min–Max selection strategy could enhance the tracking capability and the response time to the pilot command respectively. The limitations of the proposed method are also discussed and potential solutions for dealing with these challenges are proposed. The methodological approach presented in this research could be considered for enhancement of control systems in different types of gas turbine engines from practical point of view.en_UK
dc.identifier.citationSoheil Jafari and Theoklis Nikolaidis. Turbojet engine industrial min-max controller performance improvement using fuzzy norms. Electronics, 2018, Volume 7, Issue 11, Article number 314en_UK
dc.identifier.issn2079-9292
dc.identifier.urihttps://doi.org/10.3390/electronics7110314
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13631
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectMin–Max control strategyen_UK
dc.subjectgas turbine engineen_UK
dc.subjectfuzzy normsen_UK
dc.subjectcontrol engineeringen_UK
dc.subjectT-normen_UK
dc.subjectS-normen_UK
dc.titleTurbojet engine industrial min-max controller performance improvement using fuzzy normsen_UK
dc.typeArticleen_UK

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