Browsing by Author "Ablay, Gunyaz"
Now showing items 1-17 of 17
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Cascade Control of Magnetic Levitation with Sliding Modes
Eroglu, Yakup; Ablay, Gunyaz (E D P SCIENCES, 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE, 2016)The effectiveness and applicability of magnetic levitation systems need precise feedback control designs. A cascade control approach consisting of sliding mode control plus sliding mode control (SMC plus SMC) is designed ... -
Cascade sliding mode-based robust tracking control of a magnetic levitation system
Ablay, Gunyaz; Eroglu, Yakup (SAGE PUBLICATIONS LTD1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2016)Magnetic levitation systems are able to provide frictionless, reliable, fast and economical operations in wide-range applications. The effectiveness and applicability of these systems require precise feedback control designs ... -
Chaos in PID Controlled Nonlinear Systems
Ablay, Gunyaz (SPRINGER SINGAPORE PTE LTD, #04-01 CENCON I, 1 TANNERY RD, SINGAPORE 347719, SINGAPORE, 2015)Controlling nonlinear systems with linear feedback control methods can lead to chaotic behaviors. Order increase in system dynamics due to integral control and control parameter variations in PID controlled nonlinear systems ... -
Chaotic Map Construction from Common Nonlinearities and Microcontroller Implementations
Ablay, Gunyaz (WORLD SCIENTIFIC PUBL CO PTE LTD5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE, 2016)This work presents novel discrete-time chaotic systems with some known physical system non-linearities. Dynamic behaviors of the models are examined with numerical methods and Arduino microcontroller-based experimental ... -
Design, modeling, and control of a horizontal magnetic micromanipulator
Ablay, Gunyaz; Boyuk, Mustafa; Icoz, Kutay (SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2019)Magnetic micromanipulators with a wide range of force generating capabilities are able to manipulate micron size particles for various applications and measurements. These magnetic particles can be coated with receptors ... -
Feedback controller designs for an electromagnetic micromanipulator
Boyuk, Mustafa; Eroglu, Yakup; Ablay, Gunyaz; Icoz, Kutay (SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2019)Magnetic micromanipulators are capable of generating wide range of magnetic forces to manipulate magnetic microparticles for biomedical applications. In this study, a multipole magnetic micromanipulator system including ... -
A generalized PID controller for high-order dynamical systems
Ablay, Gunyaz (SLOVAK UNIV TECHNOLOGYFAC ELECTRICAL ENGINEERING & INFORMATION, ILKOVICOVA 3, BRATISLAVA 812 19, SLOVAKIA, 2021)This paper introduces a generalized PID type controller for controlling high-order dynamical systems. An optimal generalized PID control design method is developed to provide a simplified high-order output feedback control ... -
A horizontal magnetic tweezer for single molecule micromanipulations
Ablay, Gunyaz; Boyuk, Mustafa; Eroglu, Yakup; Icoz, Kutay (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)Magnetic tweezers are able to manipulate cells or biomolecules for various applications and measurements. In this work, a horizontal magnetic tweezer is designed, modeled and controlled for single molecule manipulations. ... -
Key role of high-T-c twinned martensitic materials to gain a magnetic actuation higher than 15%
Sarli, Numan; Paran, Nejdet; Ablay, Gunyaz; Ocak, Hamza Y.; Yildiz, Yasin G.; Yildiz, Gokcen D.; Yagci, Nermin K. (ELSEVIER SCIENCE SAPO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2021)Twinning angle outcomes of the twinned martensitic (TM) and detwinned martensitic (DTM) structural transformations on the magnetic features of the austenite (A) parent phase are researched by using the effective field ... -
Model-Free Controller Designs for a Magnetic Micromanipulator
Ablay, Gunyaz (ASMETWO PARK AVE, NEW YORK, NY 10016-5990, 2021)An optimal model-free controller and a linear controller are designed and applied to a horizontal magnetic micromanipulator for controlling microparticles in a liquid environment. An input-output relation based model for ... -
MODELING AND SIMULATION OF ADVANCED NUCLEAR REACTORS
Ablay, Gunyaz (IEEE, 2013)Advanced nuclear power plants are currently being proposed with a number of various designs. However, there is a lack of modeling and control strategies to deal with load following operations. This research investigates ... -
New 4D and 3D models of chaotic systems developed from the dynamic behavior of nuclear reactors
Ablay, Gunyaz (AIP Publishing, 2022)The complex, highly nonlinear dynamic behavior of nuclear reactors can be captured qualitatively by novel four-dimensional (that is, fourth order) and three-dimensional (that is, third order) models of chaotic systems and ... -
An Observer-Based Fault Diagnosis in Battery Systems of Hybrid Vehicles
Ablay, Gunyaz (IEEE, 2013)Hybrid electric vehicles (HEVs) currently use Nickel-Metal Hydride (Ni-MH) batteries which have advantages of design flexibility, superior power, environmental acceptability and recyclability, long life, wide-range operating ... -
Online Condition Monitoring of Battery Systems With a Nonlinear Estimator
Ablay, Gunyaz (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2014)The performance of batteries as uninterruptable power sources in any industry cannot be taken for granted. The failures in battery systems of safety-related electric systems can lead to performance deterioration, costly ... -
A robust estimator-based optimal algebraic approach to steam generator feedwater control system
Ablay, Gunyaz (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, ATATURK BULVARI NO 221, KAVAKLIDERE, ANKARA, 00000, TURKEY Categories / Classification, 2016)Feedwater control systems are used to maintain the steam generator water level within prescribed narrow limits and to provide constant supply of steam during power demand variations. Current feedwater control systems are ... -
Robust integral controllers for high-order class-D power amplifiers
Ablay, Gunyaz (INST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND, 2018)This study presents variable structure system theory based robust integral controllers for class-D power amplifiers. These amplifiers are highly efficient switching type power amplifiers with negligible losses. Sensorless ... -
Steam Generator Level Control with an Observer-Based Algebraic Approach
Ablay, Gunyaz (IEEE, 2013)Level control systems are used to maintain the steam generator water level within the prescribed narrow limits and to provide constant supply of steam during power demand variations. The current level control systems are ...
