Wind disturbance cancellation for smaller alt-azimuth telescopes

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dc.authorid0000-0003-1678-245X
dc.authorid0000-0002-0710-1686
dc.authorid0000-0002-2290-5228
dc.authorid0000-0003-1894-7190
dc.contributor.authorÜnal, Ali Cemen_US
dc.contributor.authorKararsız, Gökhanen_US
dc.contributor.authorYılmaz, Cemal Tuğrulen_US
dc.contributor.authorKeskin, Onuren_US
dc.contributor.authorYeşilyaprak, Cahiten_US
dc.date.accessioned2023-02-07T10:30:18Z
dc.date.available2023-02-07T10:30:18Z
dc.date.issued2019-10
dc.departmentIşık Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentIşık Üniversitesi, Optomekatronik Uygulama Ve Araştırma Merkezien_US
dc.description.abstractThis study focuses on eliminating unknown amplitude wind disturbance for 2-DOF alt-azimuth configuration small telescopes. An adaptive controller is designed to overcome wind disturbance as a set and forget system. The mathematical model is derived based on 2-DOF alt-azimuth configuration. The wind disturbance is modeled as a sum of sinusoidal with unknown amplitude, frequency and phase by using Wind-Gust model. The controller aims to cancel the effect of the disturbance on the altitude and azimuth angles of the telescope while positioning or staying static on a dedicated configuration. The asymptotic stability is proven with the Lyapunov approach. The numerical study is illustrated to success of the proposed controller.en_US
dc.description.abstractEste estudio tiene como objetivo eliminar amplitudes desconocidas producidas como consecuencia de la perturbación del viento que afecta a las monturas altazimutales en pequeños telescopios. Se ha diseñado un controlador adaptativo para minimizar este efecto. El modelo matemático se basa en la configuración altazimutal con 2 grados de libertad, modelándose la perturbación inducida por el viento como una sinusoide con amplitud, frecuencia y fase desconocidas utilizando un modelo de viento más ráfaga. El controlador tiene como objetivo cancelar el efecto de la perturbación en los ángulos de altitud y azimut del telescopio mientras éste se posiciona o permanece estático en una configuración determinada. La estabilidad asintótica se demuestra con el enfoque de Lyapunov. El estudio numérico se muestra en relación al éxito del controlador propuesto.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationÜnal, A. C., Kararsız, G., Yılmaz, C. T., Keskin, O. & Yeşilyaprak, C. (2019). Wind disturbance cancellation for smaller alt-azimuth telescopes. Paper presented at the Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias, 53, 29-34. doi:10.22201/ia.14052059p.2021.53.07en_US
dc.identifier.doi10.22201/ia.14052059p.2021.53.07
dc.identifier.endpage34
dc.identifier.issn1405-2059
dc.identifier.scopus2-s2.0-85121235125
dc.identifier.scopusqualityN/A
dc.identifier.startpage29
dc.identifier.urihttps://hdl.handle.net/11729/5353
dc.identifier.urihttp://dx.doi.org/10.22201/ia.14052059p.2021.53.07
dc.identifier.volume53
dc.indekslendigikaynakScopusen_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.publisherUniversidad Nacional Autonoma de Mexicoen_US
dc.relation.ispartofRevista Mexicana de Astronomia y Astrofisica: Serie de Conferenciasen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAtmospheric effectsen_US
dc.subjectInstrumentationen_US
dc.subjectAdaptive opticsen_US
dc.titleWind disturbance cancellation for smaller alt-azimuth telescopesen_US
dc.typeConference Objecten_US
dspace.entity.typePublication

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