Controlling a launch vehicle at exoatmospheric flight conditions via adaptive control allocation

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buir.contributor.authorYıldız, Yıldıray
dc.citation.epage2287en_US
dc.citation.issueNumber4en_US
dc.citation.spage2278en_US
dc.citation.volumeNumber28en_US
dc.contributor.authorYıldız, Yıldıray
dc.date.accessioned2021-03-04T07:52:41Z
dc.date.available2021-03-04T07:52:41Z
dc.date.issued2020
dc.departmentDepartment of Mechanical Engineeringen_US
dc.description.abstractThe focus of this paper is the control of a reusable launch vehicle at exoatmospheric flight conditions, in the presence of actuator effectiveness uncertainty. Since during exoatmospheric flight, dynamic pressure is nonexistent, aerodynamic control surfaces cannot be used. Under these conditions, reaction control jet actuators can provide the necessary thrust to control the vehicle. Reaction control jets have only 2 states, namely, on and off, and continuous control inputs can be implemented with the help of pulse width modulation, which is also employed in this paper. A continuous controller is designed in the outer loop and a control allocator is used to distribute the total control input among redundant actuators, whose effectiveness are assumed to be unknown. The unknown actuator effectiveness is addressed with the help of an adaptive control allocator. A representative model of a reusable launch vehicle equipped with reaction control jets is used to demonstrate the effectiveness of the overall control scheme.en_US
dc.identifier.doi10.3906/ELK-2001-123en_US
dc.identifier.issn1300-0632
dc.identifier.urihttp://hdl.handle.net/11693/75761
dc.language.isoEnglishen_US
dc.publisherTurkiye Kliniklerien_US
dc.relation.isversionofhttps://dx.doi.org/10.3906/ELK-2001-123en_US
dc.source.titleTurkish Journal of Electrical Engineering and Computer Sciencesen_US
dc.subjectAdaptive control allocationen_US
dc.subjectReaction control jetsen_US
dc.subjectReusable launch vehiclesen_US
dc.titleControlling a launch vehicle at exoatmospheric flight conditions via adaptive control allocationen_US
dc.typeArticleen_US
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