Backstepping control with fixed-time prescribed performance for fixed wing UAV under model uncertainties and external disturbances

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dc.contributor.author Tan, Jian
dc.contributor.author Guo, Shijun
dc.date.accessioned 2020-10-16T08:55:20Z
dc.date.available 2020-10-16T08:55:20Z
dc.date.issued 2020-10-15
dc.identifier.citation Tan J, Guo S. (2020) Backstepping control with fixed-time prescribed performance for fixed wing UAV under model uncertainties and external disturbances. International Journal of Control, Available online 2 October 2020 en_UK
dc.identifier.issn 0020-7179
dc.identifier.uri https://doi.org/10.1080/00207179.2020.1831700
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/15894
dc.description.abstract In this paper, a novel backstepping control scheme with fixed-time prescribed performance is proposed for the longitudinal model of fixed wing UAV subject to model uncertainties and external disturbances. The novel performance function with arbitrarily preassigned fixed-time convergence property is developed, which imposes priori performance envelops on both altitude and airspeed tracking errors. By using error transformed technology, the constrained fixed-time performance envelops are changed into unconstrained equivalent errors. Based on modified error compensation mechanism, a novel backstepping approach is proposed to guarantee altitude tracking equivalent error converges to the specified small neighborhood and presents excellent robustness against model uncertainties and external disturbances, and airspeed controller with fixed-time prescribed performance is designed. The proposed methodology guarantees the transient and steady-state performance of altitude and airspeed tracking errors within constrained fixed-time performance envelops in spite of lumped disturbances. Finally, numerical simulations are used to verify the effectiveness of the proposed control scheme en_UK
dc.language.iso en en_UK
dc.publisher Taylor and Francis en_UK
dc.rights Attribution-NonCommercial 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0/ *
dc.subject backstepping control en_UK
dc.subject fixed-time control en_UK
dc.subject prescribed performance en_UK
dc.subject UAV en_UK
dc.title Backstepping control with fixed-time prescribed performance for fixed wing UAV under model uncertainties and external disturbances en_UK
dc.type Article en_UK


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