delay dependent robust stability of singular systems with additive timevarying delays

... (2002). Robust stability of uncertain delay- differential systems of neutral type. Automatica 38, 719–723. Kolmanovskii, V.B. and J.P. Richard (1999). Stability of some linear systems with delay. ... effectiveness of the proposed conditions. Keywords: Linear time delay systems, Stability, Robustness 1. INTRODUCTION During the last decades, stability of linear time delay systems have attracted a lot of ... (2004). Delay- dependent robust h ∞ control for uncertain sys- tems with a state -delay. Automatica 40, 65–72. Li, X. and C.E. De Souza (1997). Delay- dependent robust stability and stabilization of...

Ngày tải lên: 06/07/2014, 21:20

... interest of this paper is concerned with the positivity and stability of solutions independent of the sizes of the delays and also being independent of eventual coincidence of some values of delays ... solutions independent of the sizes of the delays and the stability properties of linear time-invariant fractional dynamic differential systems subject to point delays may be characterized with sets of ... investigates the global stability and the global asymptotic stability independent of the sizes of the delays of linear time-varying Caputo fractional dynamic systems of real fractional order...

Ngày tải lên: 21/06/2014, 05:20

... ε, concluding the proof.  3. Stability Radii of Delay Equation in L p ([−h, 0]; X) In this section, we apply the results of the above section to study robust stability for linear delay equations ... Ngoc, Robust stability of positive linear time -delay systems under affine parameter perturbations, Acta Math. Vietnam. 24 (1999) 353–371. 19. N. K. Son and P. H. A. Ngoc, Robust stability of functional ... study of robust stabil- ity is the calculation of the stability radius of a dynanmic system subjected to various classes of parameter perturbations. In [5, 15] explicit formulas for the complex stability...

Ngày tải lên: 06/08/2014, 05:20

... Linearization of LPNI Systems 20 3 Analysis of Reference Tracking in LPNI Systems 66 4 Analysis of Disturbance Rejection in LPNI Systems 114 5 Design of Reference Tracking Controllers for LPNI Systems ... Linearization of LPNI Systems 20 2.1 Stochastic Linearization of Open Loop Systems 20 2.1.1 Stochastic Linearization of Isolated Nonlinearities 20 2.1.2 Stochastic Linearization of Direct Paths of LPNI Systems ... Bibliography 224 8 Proofs 225 8.1 Proofs for Chapter 2 225 8.2 Proofs for Chapter 3 226 8.3 Proofs for Chapter 4 234 8.4 Proofs for Chapter 5 236 8.5 Proofs for Chapter 6 241 8.6 Proofs for Chapter...

Ngày tải lên: 23/03/2014, 15:20

... Hamiltonian.Theisotropy group of a stationary point c of H restricts the possible types of linear Hamil- tonian stability and Morse index of c. Recall that linear stability is given by the eigenvalues of the 4ì4 ... linearized equations of motion near c ∈ CP 2 , while the Morse index of c is the number of negative eigenvalues of the Hessian matrix of the Hamiltonian at c. Depending on the eigenvalues of this matrix ... other systems. We come back to this point later. The first step in the study of the hydrogen atom in crossed fields is Kep- lerian normalization which consists of regularization of the singularity of...

Ngày tải lên: 24/04/2014, 16:50

... current value of sample NP-2 was about one order of magnitude higher than that of reference samples (10 −3 A/cm 2 ), due to the smaller barrier height of NP-2 (0.87 eV) compared with that of Ref ... controlling the size of the metal NPs. Previous results in the literature have been primarily focused on the effect of size reduction of NPs on the characteristics of diode structures with embedded ... Schematic view of Ni contacts with embedded nanoparticles on SiC. (a) Ni/SiC contacts without NPs (Ref), (b) Ni/SiC contacts embedded with the Au-NPs (NP-1), and (c) Ni/SiC contacts embedded with the...

Ngày tải lên: 20/06/2014, 20:20

... inequality and stability of BAM FCNNs with time delays in the leakage terms and distributed delays. Journal of Inequalities and Applications 2011 2011:43. Zhang and Li Journal of Inequalities ... FCNNs with time delays in th e leakage terms and distributed delays. Motivated by the above discussions, the objective of this paper is to formulate and study impulsive BAM FCNNs with time delays ... classification of image processing and pattern recognition. Specially, in the past few years, the stability analysis on FCNNs with various delays and fuzzy BAM neural networks with transmis- sion delays...

Ngày tải lên: 21/06/2014, 00:20

... P. Niamsup and V. N. Phat, “Asymptotic stability of nonlinear control systems described by difference equations with multiple delays, ” Electronic Journal of Differential Equations, vol. 2000, no. ... global exponential stabilizability of discrete-time systems with time-delayed states. Finally, as an application, we consider the global stabilization of the nonlinear control systems. 2. Preliminaries In ... 3.26 proves the global stability of the zero solution of system 3.1–1.2. Establishing the exponential stability of this equation is enough to apply the same arguments of the Proposition 3.1. Theorem...

Ngày tải lên: 21/06/2014, 20:20

... specific realizations of the corresponding random variable. 2. INTERCELL CONFERENCING WITH INTRACELL TDMA In this section, we consider the first scenario of interest, which consists of a modification of the linear ... U. Spagnolini, “Low-SNR analysis of cellular systems with cooperative base stations and mobiles,” in Proceedings of the 14th Asilomar Conference on Signals, Systems and Computers (ACSSC ’06), pp. ... (8) and point out some implications of this result, leaving the details of the proof of achievability to Appendix B. Again, to fix the ideas, consider the set of M active MSs at a given time, one...

Ngày tải lên: 21/06/2014, 22:20

... fading in wireless communication systems. Diversity improves the performance of communication systems by providing a receiver with M independently faded copies of the trans- mitted signal such ... 3 MRC 0 0.5 1 1.5 2 2.5 3 R 0 8PSK QPSK BPSK Figure 1: Cutoff rate of coded GSC with M = 4 and different number of selected diversity branches in Nakagami fading with m = 2. number of combined diversity branches increases, ... required accuracy in the bound. The cutoff rate of GSC systems with M = 4over Nakagami fading channels with m = 2 is shown in Figure 1. In the figure, GSC systems employing 8PSK, QPSK, and BPSK are...

Ngày tải lên: 21/06/2014, 22:20

... Article Existence Result for a Class of Elliptic Systems with Indefinite Weights in R 2 Guoqing Zhang 1 and Sanyang Liu 2 1 College of Sciences, University of Shanghai for Science and Technology, ... 2008 Recommended by Zhitao Zhang We obtain the existence of a nontrivial solution for a class of subcritical elliptic systems with indefinite weights in R 2 . The proofs base on Trudinger-Moser inequality and ... supported by Innovation Program of Shanghai Municipal Education Commission under Grant no. 08 YZ93. References 1 F. Colin and M. Frigon, Systems of coupled Poisson equations with critical growth in...

Ngày tải lên: 21/06/2014, 22:20

... Article Exponential Stability of Difference Equations with Several Delays: Recursive Approach Leonid Berezansky 1 and Elena Braverman 2 1 Department of Mathematics, Ben-Gurion University of the Negev, ... of a delay difference equation to the values of a solution of a delay differential equation with piecewise constant arguments at integer points. The second method is based on a recursive form of ... difference equations with variable delays, and the present paper partially fills up this gap. In particular, Theorem 2.18 gives the same stability condition for the equation with variable delays x  n...

Ngày tải lên: 22/06/2014, 11:20

... Capacity of Multiantenna Systems with Nakagami Fading” Saralees Nadarajah 1 and Samuel Kotz 2 1 School of Mathematics, University of Manchester, Manchester M60 1QD, UK 2 Department of Engineering ... [1]derivedvarious expressions for the channel capacity of multiantenna sys- tems with the Nakagami fading channel. Most of these are expressed in terms of the integral J(k, β) =  ∞ 0 log  1+ u β  u k/2−1 exp(−u)du,(1) see, ... 2006 Recommended by Dimitrios Tzovaras Explicit expressions are derived for the channel capacity of multiantenna systems with the Nakagami fading channel. Copyright â 2007 S. Nadarajah and S. Kotz. This is...

Ngày tải lên: 22/06/2014, 19:20

... Capacity of Multiantenna Systems with Nakagami Fading Feng Zheng 1 and Thomas Kaiser 2 1 Department of Electronic and Computer Engineering, University of Limerick, Limerick, Ireland 2 Department of ... a generalization of previous MIMO results. On the other hand, there are no reports in the literature on the study of the chan- nel capacity of MIMO systems with the Nakagami fading to the best of the authors’ ... probability decreases considerably with the number of receive a ntennas in the range of whole transmission rate, while P out (R) decreases with the number of transmit antennas when R/W X is lower...

Ngày tải lên: 22/06/2014, 23:20

... validation of SDL systems by simulation. Very few other commercial tools or languages provide such a range of features for the validation and development of communications systems and software. Some ... shows the use of TO to send signal red to a certain instance of process screen, which has a maximum of three instances. Before the output of red,variablep must be filled with the Pid of the target ... - http://www.simpopdf.com 32 Validation of Communications Systems with SDL As we will see later, we create one instance of process DLC on each side of the connection to handle each DLC; then,...

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