Başlık için Makine Mühendisliği Bölümü / Department of Mechanical Engineering listeleme
Toplam kayıt 79, listelenen: 26-45
-
Eastern Anatolia Observatory (DAG): recent development in 2019
(Universidad Nacional Autonoma de Mexico, 2019-10-04)Eastern Anatolia Observatory (DAG) will be the Turkey’s largest (4m) and first infrared observatory is located in Erzurum city at the East part of Turkey with an altitude of 3170 m. We present the recent development of DAG ... -
Eastern Anatolia Observatory (DAG): Recent developments 2017
(SPIE-INT Soc Optical Engineering, 2018-07-06)East Anatolia Observatory (DAG) is the new observatory of Turkey with the optical (VIS) and near-infrared (NIR) largest telescope (4 m mirror) and its robust observing site infrastructure. This national project consists ... -
Eastern Anatolia Observatory (DAG): Recent developments and a prospective observing site for robotic telescopes
(Universidad Nacional Autonoma Mexico Instituto Astronomia, 2016)This document (Eastern Anatolia Observatory (DAG) is the new observatory of Turkey with the optical and near-infrared largest telescope (4 m class) and its robust observing site infrastructure. This national project consists ... -
Eastern Anatolia Observatory (DAG): The status in 2020
(SPIE, 2020)East Anatolian Observatory's DAG telescope, with its 4m diameter primary mirror and VIS/IR observation capability, will be located on the Konakll-Karaya summit at an altitude of 3170 m, near the city of Erzurum, Turkey. ... -
Effect of scanning strategies and laser parameters on metal-composite joining
(Bellwether Publishing, 2021-07-27)This study presents an investigation on the effectiveness, automation characteristics, and mechanics of joints between different material types namely glass fiber reinforced plastics (GFRPs) and SS304 stainless steel using ... -
Effect of the computational domain selection on the calculation of axial fan performance
(International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2016, 2019)In this study, the aerodynamic performance of a jet fan (considered as a free-inlet free-outlet axial fan which does not contain any duct at the upstream or downstream) is obtained by using CFD (Computational Fluid Dynamics) ... -
The effects of atmospheric turbulence on astrophysical observations
(Türk Astronomi Derneği, 2020-12-11)Atmospheric turbulence is caused by random variations in temperature and pressure that spatially and temporally alter the air’s index of refraction. As electro-magnetic radiation from distant astronomical objects propagates ... -
Effects of turn-milling conditions on chip formation and surface finish
(Elsevier Science BV, 2019-04-24)Turn-milling operations performed on mill-turn machines offer significant advantages provided that appropriate conditions are used. Compared to conventional machining processes, kinematics and geometry of turn-milling are ... -
An emergency braking controller based on extremum seeking with experimental implementation
(Springer Berlin Heidelberg, 2018-03-01)An extremum seeking scheme is developed for maximizing the longitudinal tire forces of the road vehicles during emergency braking situations. If the road condition is known, then a conventional braking controller could ... -
Experimental analysis on drilling of Al/Ti/CFRP hybrid composites
(Bellwether Publishing, 2021-01-25)Carbon fiber reinforced composites (CFRP) have superior mechanical properties such as high strength/density ratio, and good damping ability. CFRP which is frequently used in parts in the aviation industry can also be single ... -
Extremum seeking control of uncertain systems
(Işık University Press, 2017)Extremum seeking is used in control problems where the reference trajectory or reference set point of the system is not known but it is searched in real time in order to maximize or minimize a performance function representing ... -
Extremum seeking dead-zone pre-compensator for an industrial control system
(Walter De Gruyter GMBH, 2018-06-26)PID type industrial controllers such as PI, PD, PID are mature control algorithms and they are intensively used in industry due to their simplicity and easily implementability. However, they start to fail when there is an ... -
Extremum-seeking control of ABS braking in road vehicles with lateral force improvement
(IEEE-INST Electrical Electronics Engineers Inc, 2014-01)An ABS control algorithm based on extremum seeking is presented in this brief. The optimum slip ratio between the tire patch and the road is searched online without having to estimate road friction conditions. This is ... -
Far-infrared elastic scattering proposal for the Avogadro Project's silicon spheres
(Pergamon-Elsevier Science Ltd, 2018-05)Avogadro constant determines the number of particles in one mole of a substance, thus relating the molar mass of the substance to the mass of this substance. Avogadro constant is related to Systeme Internationale base units ... -
The flexible adaptive optics concept
(Instituto de Astrofisica de Canarias, 2017)The availability of small deformable mirrors with large number of actuators and stroke, on one hand, and versatile wavefront sensors (pyramid WFS), on the other, allows the development of AO systems whose equivalent pitch ... -
A flexible adaptive optics concept for general purpose high angular resolution science on the DAG 4m telescope
(SPIE-Int Soc Optical Engineering, 2018)Thanks to the availability of high actuator density deformable mirrors (ALPAO 468 DM), the high versatility of the pyramid wavefront sensor and above all, the venue of essentially no noise EMCCD detectors, it becomes ... -
Frezeyle tornalamada takımda ortaya çıkan termal deformasyonların modellenmesi
(Gazi Universitesi Muhendislik-Mimarlik, 2017)Frezeyle tornalama işleminde işlemiş parça doğruluğu ve üretkenliği arttırarak işlem performansını iyileştirmek kesme kuvvetlerini ve takım ucundaki ısı kaynaklı deformasyonları kontrol etmekle mümkündür. Bu çalışmanın ... -
A gain-switched self-optimizer for braking controller
(John Wiley and Sons Ltd, 2017-06)An emergency braking controller is developed with improved operation characteristics near the maximum friction zone. The methodology is based on self-seeking a-priori unknown optimum operation point to maximize a performance ... -
A global optimal control methodology and its application to a mobile robot model
(Elsevier B.V., 2016)A global optimal control algorithm is developed and applied to an omni-directional mobile robot model. The aim is to search and find the most intense signal source among other signal sources in the operation region of the ... -
In Flange Derotator Design for the 4m DAG telescope
(SPIE-INT Soc Optical Engineering, 2018-07-06)The field rotation effect can be described as observing the gyration of an object with the pupil of the Eastern Anatolian Observatory (DAG) telescope around the optical axis under the influence of the latitude of the ...