Two-layer on-line parameter estimation for adaptive incremental backstepping flight control for a transport aircraft in uncertain conditions

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dc.contributor.authorIgnatyev, Dmitry I.
dc.contributor.authorShin, Hyo-Sang
dc.contributor.authorTsourdos, Antonios
dc.date.accessioned2020-03-04T10:37:35Z
dc.date.available2020-03-04T10:37:35Z
dc.date.issued2019-11-25
dc.description.abstractPresence of uncertainties caused by unforeseen malfunctions of the actuator or changes in aircraft behavior could lead to aircraft loss of control during flight. The paper presents two-layer parameter estimation procedure augmenting Incremental Backstepping (IBKS) control algorithm designed for a large transport aircraft. IBKS uses angular accelerations and current control deflections to reduce the dependency on the aircraft model. However, it requires knowledge of the control effectiveness. The proposed identification technique is capable to detect possible problems such as a failure or presence of unknown actuator dynamics even in case of redundancy of control actuation. At the first layer, the system performs monitoring of possible failures. If a problem in one of the control direction is detected the algorithm initiates the second-layer identification determining the individual effectiveness of the each control surface involved in this control direction. Analysis revealed a high robustness of the IBKS to actuator failures. However, in severe conditions with a combination of multiple failures and presence of unmodelled actuator dynamics IBKS could lost stability. Meanwhile, proposed control derivative estimation procedure augmenting the IBKS control helps to sustain stability.en_UK
dc.identifier.citationIgnatyev DI, Shin H-S, Tsourdos A. (2019) Two-layer on-line parameter estimation for adaptive incremental backstepping flight control for a transport aircraft in uncertain conditions, IFAC-PapersOnLine, Volume 52, Issue 12, pp. 411-416en_UK
dc.identifier.issn2405-8963
dc.identifier.urihttps://doi.org/10.1016/j.ifacol.2019.11.278
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15218
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectOn-line flight dynamics identificationen_UK
dc.subjectAircraft dynamicsen_UK
dc.subjectcontrolen_UK
dc.subjectguidanceen_UK
dc.subjectnavigationen_UK
dc.subjectIncremental Backsteppingen_UK
dc.subjectFailuresen_UK
dc.subjectUnmodelled dynamicsen_UK
dc.titleTwo-layer on-line parameter estimation for adaptive incremental backstepping flight control for a transport aircraft in uncertain conditionsen_UK
dc.typeArticleen_UK

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