Search Results - "Wyrwas, M"
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Full-order observers for linear fractional multi-order difference systems
Published in Bulletin of the Polish Academy of Sciences. Technical sciences (01-12-2017)“…The paper is devoted to the construction of observers for linear fractional multi–order difference systems with Riemann–Liouville– and Grünwald–Letnikov–type…”
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Stability conditions for fractional-order linear equations with delays
Published in Bulletin of the Polish Academy of Sciences. Technical sciences (01-08-2018)Get full text
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Behaviour of fractional discrete-time consensus models with delays for summator dynamics
Published in Bulletin of the Polish Academy of Sciences. Technical sciences (01-08-2018)Get full text
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Dynamic Range of Frequency Modulated Direct-Detection Analog Fiber Optic Links
Published in Journal of lightwave technology (15-12-2009)“…A frequency modulated (FM) analog optical link using an FM discriminator is analyzed. Figures-of-merit are derived, including expressions for the second-order…”
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Observable space of the nonlinear control system on a homogeneous time scale
Published in Proceedings of the Estonian Academy of Sciences (01-01-2014)“…The observability property of the nonlinear system, defined on a homogeneous time scale is studied. The observability condition is provided through the notion…”
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Linear phase-and-frequency-modulated photonic links using optical discriminators
Published in Optics express (19-11-2012)“…We report our experimental results for linear analog optical links that use phase or frequency modulation and optical discrimination. The discriminators are…”
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Reconfigurable Linear Optical FM Discriminator
Published in IEEE photonics technology letters (15-10-2012)“…We present a reconfigurable optical discriminator filter for frequency modulated microwave-photonics link applications. The filter is based on a simplified…”
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On accessibility conditions for state space nonlinear control systems on homogeneous time scales
Published in Systems & control letters (01-12-2016)“…An algebraic formalism for nonlinear control systems defined on homogeneous time scales is introduced. This formalism is based on the forward, backward shifts,…”
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High dynamic range linearized FM photonic link
Published in 2012 IEEE Photonics Society Summer Topical Meeting Series (01-07-2012)“…We present our work on frequency and phase modulated microwave photonic links which achieve linear demodulation using planar lightwave circuits (PLC) optical…”
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Transfer Equivalence and Realization of Nonlinear Input-Output Delta-Differential Equations on Homogeneous Time Scales
Published in IEEE transactions on automatic control (01-11-2010)“…Nonlinear control systems on homogeneous time scales are studied. First the concepts of reduction and irreducibility are extended to higher order…”
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Popov form and the explicit equations of inverse systems
Published in Proceedings of the Estonian Academy of Sciences (01-01-2018)“…The paper addresses the invertibility problem for discrete-time nonlinear control systems, described by the input-output equations. The necessary and…”
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The strong Popov form of nonlinear input–output equations
Published in Proceedings of the Estonian Academy of Sciences (20-09-2018)“…The equivalence transformations are applied to bring a system of nonlinear input--output (i/o) equations into a nonlinear equivalent of the Popov form, called…”
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On the transformation of a nonlinear discrete-time input–output system into the strong row-reduced form
Published in Proceedings of the Estonian Academy of Sciences (01-01-2016)“…The paper addresses the problem of the transformation of nonlinear discrete-time systems, described by implicit higher-order difference equations, into the…”
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On submersivity assumption for nonlinear control systems on homogeneous time scales
Published in Proceedings of the Estonian Academy of Sciences (01-01-2011)Get full text
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Frequency-modulated microwave photonic links for high dynamic-range antenna remoting systems
Published in 2011 IEEE Avionics, Fiber- Optics and Photonics Technology Conference (01-10-2011)“…To support the need to distribute analog signals from microwave antennas dispersed throughout military aircraft, much research has been devoted to developing…”
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Conference Proceeding -
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High dynamic-range microwave photonic links using maximally linear FIR optical filters
Published in 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference (01-03-2010)“…We propose a microwave photonic link in which maximally linear FIR optical filters discriminate frequency modulation. Using a tenth-order filter, one can…”
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Dynamic output feedback linearization based adaptive control of nonlinear MIMO systems
Published in 2008 American Control Conference (01-06-2008)“…This paper discusses application of dynamic output feedback linearization algorithm for adaptive control of nonlinear MIMO systems. Neural Network based…”
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Conference Proceeding -
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Transfer equivalence and reduction of nonlinear delta differential equations on homogeneous time scale
Published in 2008 American Control Conference (01-06-2008)“…The problem of equivalence is considered for nonlinear single-input single-output systems defined on homogeneous time scales and described by n-th order…”
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Dynamic linearity improvement of phase and frequency modulated microwave photonic links using optical lattice filter discriminators
Published in 2011 International Topical Meeting on Microwave Photonics jointly held with the 2011 Asia-Pacific Microwave Photonics Conference (01-10-2011)“…A phase modulated (PM) microwave photonic link (MPL) with linearity improvement is presented. The link demodulates the PM using a phase discriminator based on…”
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Conference Proceeding