Now showing items 1-15 of 15

    • Communication scheme by using synchronized chaotic systems 

      morgül, Ö.; Feki, M. (IEEE, Piscataway, NJ, United States, 1996)
      A method to synchronize systems with chaotic behavior, in a master-slave configuration adapted to communication systems, is discussed. This work is motivated by the need for secure communication. In this method, the ...
    • A gPC-based approach to uncertain transonic aerodynamics 

      Simon F.; Guillen P.; Sagaut P.; Lucor, D. (2010)
      The present paper focus on the stochastic response of a two-dimensional transonic airfoil to parametric uncertainties. Both the freestream Mach number and the angle of attack are considered as random parameters and the ...
    • Inductorless realisation of Chua oscillator 

      Morgül, Ö. (IET, 1995)
      An inductorless realisation of a Chua oscillator, which exhibits chaotic behaviour is presented. This new realisation consists of the Wien bridge oscillator, coupled in parallel with the same nonlinear resistor used in the ...
    • Model based anticontrol of chaos 

      Morgül, Ö. (Institute of Electrical and Electronics Engineers Inc., 2003)
      We will consider model based anticontrol of chaotic systems. We consider both continuous and discrete time cases. We first assume that the systems to be controlled are linear and time invariant. Under controllability ...
    • Model based anticontrol of discrete-tiime systems 

      Morgül, Ö. (Institute of Electrical and Electronics Engineers, 2003)
      We will consider a model-based approach for the anticontrol of some discrete-time systems. We first assume the existence of a chaotic model in an appropriate form. Then by using an appropriate control input we try to match ...
    • A model-based scheme for anticontrol of some chaotic systems 

      Morgül, Ö. (World Scientific Publishing, 2003)
      We consider a model-based approach for the anticontrol of some continuous time systems. We assume the existence of a chaotic model in an appropriate form. By using a suitable input, we match the dynamics of the controlled ...
    • A model-based scheme for anticontrol of some discrete-time chaotic systems 

      Morgül, Ö. (World Scientific, 2004)
      We consider a model-based approach for the anticontrol of some discrete-time systems. We first assume the existence of a chaotic model in an appropriate form. Then by using an appropriate control input we try to match the ...
    • Observer based chaotic message transmission 

      Morgül, Ö.; Solak, E.; Akgül, M. (World Scientific Publishing, 2003)
      We consider observer based synchronization of continuous-time chaotic systems. We present two message transmission schemes for such systems. The first one is based on chaotic masking and modulation, and the second one is ...
    • On the control of chaotic systems in Lur'e form by using dither 

      Morgül, Ö. (Institute of Electrical and Electronics Engineers, 1999-10)
      In this paper we propose the application of dither for controlling chaotic systems in the Lur'e form. Dither is a high-frequency periodic signal and has the effect of modifying the nonlinearity for some nonlinear systems. ...
    • On the Hajek projection for truncated and censored data 

      Gürler, Ü.; Wang, J.-L. (Scientific Publishers, 1993)
      Large sample properties of the product-limit estimators for truncated or censored data are usually achieved via the empirical cumulative hazard function estimators. Hajek projection of the empirical cumulative hazard ...
    • Plane-wave dynamics of optical parametric oscillation with simultaneous sum-frequency generation 

      Dikmelik, Y.; Akgün, G.; Aytür, O. (Institute of Electrical and Electronics Engineers, 1999-06)
      This paper presents a theoretical analysis of sum-frequency generating optical parametric oscillators where a single nonlinear crystal is used for both parametric generation and sum-frequency generation. In these devices, ...
    • Stability of delayed feedback controllers for discrete time systems 

      Morgül ,Ö. (Institute of Electrical and Electronics Engineers Inc., 2003)
      We consider the delayed feedback control (DFC) scheme for one dimensional discrete time systems. To analyze the stability, we construct a map whose fixed points correspond to the periodic orbits of the system to be controlled. ...
    • A stability result for delayed feedback controllers 

      Morgül, Ö. (Institute of Electrical and Electronics Engineers, 2003)
      We consider the delayed feedback control (DFC) scheme for one dimensional discrete time systems. To analyze the stability, we construct a map whose fixed points correspond to the periodic orbits of the system to be controlled. ...
    • Stabilization of unstable periodic orbits for discrete time chaotic systems by using periodic feedback 

      Morgül, Ö. (World Scientific Publishing, 2006)
      We propose a periodic feedback scheme for the stabilization of periodic orbits for discrete time chaotic systems. We first consider one-dimensional discrete time systems and obtain some stability results. Then we extend ...
    • Synchronization and chaotic masking scheme based on occasional coupling 

      Morgül, Ö. (American Physical Society, 2000)
      Synchronization and a related message transmission scheme using synchronized chaotic systems was presented for discrete-time systems. The scheme was based on occasional coupling of transmitter and receiver systems. The ...