Browsing by Author "Eroǧlu, Yakup"

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    A Horizontal Magnetic Tweezer for Single Molecule Micromanipulations
    (Institute of Electrical and Electronics Engineers Inc., 2018) Ablay, Günyaz; Böyük, Mustafa; Eroǧlu, Yakup; İçöz, Kutay; 01. Abdullah Gül University
    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. A method is presented for dynamic modeling of horizontal magnetic tweezers. A linear control method is designed to ensure a wide range of operation conditions with zero steady-state error. The horizontal magnetic tweezer is able to generate a wide range of piconewton scale forces on a superparamagnetic microparticle for single molecule separation, and biosensor developments. © 2019 Elsevier B.V., All rights reserved.
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    Citation - Scopus: 2
    PI-V plus Sliding Mode Based Cascade Control of Magnetic Levitation
    (Institute of Electrical and Electronics Engineers Inc., 2016) Eroǧlu, Yakup; Ablay, Günyaz; 01. Abdullah Gül University
    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 design. The position control problem of the magnetic levitation can be solved with robust current control approaches. A cascade control approach consisting of PI-velocity plus sliding mode control (PI-V plus SMC) is designed to render high control performance and robustness to the magnetic levitation. It will be shown that the SMC designed for electrical part of the plant (current controller) is able to eliminate the effects of the inductance related uncertainties of the electromagnetic coil of the plant. Experimental results are provided to validate the efficacy of the approach. © 2016 Elsevier B.V., All rights reserved.