Adaptive backstepping approach for 2-DOF telescopes despite unknown wind disturbance

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dc.authorid0000-0003-1678-245X
dc.authorid0000-0002-4100-3801
dc.authorid0000-0002-0710-1686
dc.authorid0000-0002-2290-5228
dc.authorid0000-0003-1894-7190
dc.contributor.authorÜnal, Ali Cemen_US
dc.contributor.authorYılmaz, Cemal Tuğrulen_US
dc.contributor.authorKararsız, Gökhanen_US
dc.contributor.authorKeskin, Onuren_US
dc.contributor.authorYeşilyaprak, Cahiten_US
dc.date.accessioned2020-02-19T03:42:47Z
dc.date.available2020-02-19T03:42:47Z
dc.date.issued2019-07
dc.departmentIşık Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.descriptionThe authors would like to thank the technical and funding support of Isik University, Center for Optomechatronics Research and Application (OPAM), Ataturk University Center for Astrophysical Application and Research (ATASAM).en_US
dc.description.abstractSmall ground telescopes on the marked are widely used in many space observatories and scientific researches. There are three main problems in such telescopes; positioning of the focal point and the need of tuning for both different seasonal wind speeds and mass changes of the telescope arm. This study focuses on eliminating those problems for 2-DOF altazimuth configuration small telescopes. An adaptive controller is designed to create a set and forget system. The mathematical model of the telescope is derived based on RR type joint configuration. For a realistic approach, motor dynamics is considered in the mathematical model. The wind disturbance is modeled according to the Wind-Gust model which is a sum of sinusoidal with unknown amplitude, frequency and phase. The controller aims to cancel the effect of the disturbance on focal point of the telescope while positioning. The asymptotic stability is proven with the Lyapunov approach. The numerical study is illustrated to success of the proposed controller.en_US
dc.description.sponsorshipIEEEen_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationÜnal, A. C., Yılmaz, C. T., Kararsız, G., Keskin, O. & Yeşilyaprak, C. (2019). Adaptive backstepping approach for 2-DOF telescopes despite unknown wind disturbance. Paper presented at the 2019 IEEE 10th International Conference on Mechanical and Aerospace Engineering (ICMAE), 343-348. doi:10.1109/ICMAE.2019.8880967en_US
dc.identifier.doi10.1109/ICMAE.2019.8880967
dc.identifier.endpage348
dc.identifier.isbn9781728155357
dc.identifier.isbn9781728155340
dc.identifier.isbn9781728155364
dc.identifier.scopus2-s2.0-85074838246
dc.identifier.scopusqualityN/A
dc.identifier.startpage343
dc.identifier.urihttps://hdl.handle.net/11729/2252
dc.identifier.urihttps://dx.doi.org/10.1109/ICMAE.2019.8880967
dc.identifier.wosWOS:000621588500062
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakConference Proceedings Citation Index – Science (CPCI-S)en_US
dc.institutionauthorÜnal, Ali Cemen_US
dc.institutionauthorKeskin, Onuren_US
dc.institutionauthorid0000-0003-1678-245X
dc.institutionauthorid0000-0002-2290-5228
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_US
dc.relation.ispartof2019 IEEE 10th International Conference on Mechanical and Aerospace Engineering (ICMAE)en_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject2-DOF altazimuth configuration small telescopesen_US
dc.subjectAdaptation modelsen_US
dc.subjectAdaptive backsteppingen_US
dc.subjectAdaptive controlen_US
dc.subjectAdaptive controlleren_US
dc.subjectAdaptive back-steppingen_US
dc.subjectAdaptive control systemsen_US
dc.subjectAdaptive controllersen_US
dc.subjectAerospace engineeringen_US
dc.subjectAircraft controlen_US
dc.subjectAstronomical telescopesen_US
dc.subjectAsymptotic stabilityen_US
dc.subjectBacksteppingen_US
dc.subjectCable roboten_US
dc.subjectCablesen_US
dc.subjectControl nonlinearitiesen_US
dc.subjectControl system synthesisen_US
dc.subjectControllersen_US
dc.subjectDisturbance cancellationen_US
dc.subjectDisturbance observeren_US
dc.subjectGround telescopesen_US
dc.subjectJoint configurationen_US
dc.subjectLyapunov approachen_US
dc.subjectLyapunov methodsen_US
dc.subjectMathematical modelen_US
dc.subjectNonlinear control systemsen_US
dc.subjectOptical filtersen_US
dc.subjectPosition controlen_US
dc.subjectRobotsen_US
dc.subjectRR type joint configurationen_US
dc.subjectScientific researchesen_US
dc.subjectSeasonal wind speedsen_US
dc.subjectSpace observatoriesen_US
dc.subjectTelescopeen_US
dc.subjectTelescope armen_US
dc.subjectTelescopesen_US
dc.subjectTorqueen_US
dc.subjectTrajectoryen_US
dc.subjectTuningen_US
dc.subjectUnknown Wind disturbanceen_US
dc.subjectWinden_US
dc.subjectWind-Gust modelen_US
dc.titleAdaptive backstepping approach for 2-DOF telescopes despite unknown wind disturbanceen_US
dc.typeConference Objecten_US
dspace.entity.typePublication

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