Electrical and Electronic Engineering - Research Publications

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Author: Kameneva, Tatiana × Author: Nesic, Dragan × End date: 2009 × Start date: 2007 ×

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    Further results on robustness of linear control systems with quantized feedback
    Kameneva, T ; Nesic, D (IEEE, 2007-01-01)
    This paper extends results from [5], where input-to-state stabilization (ISS) of linear systems with quantized feedback was considered. In this paper, we show that using the scheme proposed in [5] it is also possible to achieve (nonlinear gain) l2 stabilization for linear systems.
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    On mismatch between initializations at coder/decoder in quantized control
    Kameneva, T ; Nesic, D (Elsevier BV, 2008-12-01)
    This paper analyzes the stability of linear systems with quantized feedback in the presence of a mismatch between the initial conditions at the coder and decoder. We show that using the scheme proposed in Liberzon, Nesic (2007) it is possible to achieve global exponential stability of linear systems with quantized feedback when the coder and decoder are initialized at different initial conditions.
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    Input-to-state stabilization of nonlinear systems with quantized feedback
    Kameneva, T ; Nesic, D (IFAC - International Federation of Automatic Control, 2008-12-01)
    This paper addresses the stabilization problem of nonlinear feedback systems with quantized measurements in the presence of bounded disturbances. This paper is an extension of Liberzon, Nesic (2007) to nonlinear systems. Using the scheme proposed in Liberzon, Nesic (2007), we show that input-to-state stability with respect to bounded disturbances is achievable for nonlinear systems with quantized feedback.
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    Robustness of quantized control systems with mismatch between coder/decoder initializations
    Kameneva, T ; Nesic, D (PERGAMON-ELSEVIER SCIENCE LTD, 2009-03-01)
    This paper analyzes the stability of linear systems with quantized feedback in the presence of mismatch between the initial conditions at the coder and decoder. Under the assumption of the perfect channel, we show that using the scheme proposed in [Liberzon, D., & Nešić, D. (2007). Input-to-state stabilization of linear systems with quantized state measurements. Institute of Electrical and Electronic Engineers Transaction on Automatic Control, 52, 767-781] it is possible to achieve stability with exponential convergence of linear systems with quantized feedback when the coder and decoder are initialized at different initial conditions.
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    On l2 stabilization of linear systems with quantized control
    Kameneva, T ; Nesic, D (Institute of Electrical and Electronics Engineers, 2008-02-01)
    This paper extends results from [D. Liberzon and D. Nesic, ldquoInput-to-state stabilization of linear systems with quantized feedback,rdquo IEEE Trans. Autom. Control, vol. 52, no. 5, pp. 767--781, May 2007], where input-to-state stabilization (ISS) of linear systems with quantized feedback was considered. In this paper, we show that, by using the same scheme and under the same conditions as in D. Liberzon and D. Nesic, ldquoInput-to-state stabilization of linear systems with quantized feedback,rdquo IEEE Trans. Autom. Control, vol. 52, no. 5, pp. 767-781, May 2007, it is also possible to achieve (nonlinear gain) l 2 stabilization for linear systems. We also prove a new lemma on K infin functions that is interesting in its own right.