linear time ivariant systems

... Agarwal, M Bohner, P Rehak, Half-linear dynamic equations Nonlinear Anal Appl 1, 1–56 (2003) [8] LQ Jiang, Z Zhou, Lyapunov inequality for linear Hamiltonian systems on time scales J Math Anal Appl ... n ∈ Z, then we call T a periodic time scale with period ω Suppose T is a ω-periodic time scale and ∈ T Consider the polar linear Hamiltonian dynamic system on time scale T x (t) = α(t)x(σ(t)) ... Lian, Lyapunov’s inequality on timesscales Appl Math Lett 19, 1293–1299 (2006) [10] X He, Q Zhang, XH Tang, On inequalities of Lyapunov for linear Hamiltonian systems on time scales J Math Anal Appl

Ngày tải lên: 18/06/2014, 22:20

... also been employed successfully in stability problems of dynamic systems such as time-delay and continuous-time/digital hybrid systems and in those involving switches among different parameterizations ... the global asymptotic stability independent of the sizes of the delays of linear time-varying Caputo fractional dynamic systems of real fractional order possessing internal point delays The investigation ... 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 precise

Ngày tải lên: 21/06/2014, 05:20

... linear time-invariant systems of ordinary differentialequations (ODEs) with respect to time- and output-invariant, i.e., static perturbations See [17,19,29]for results on stability radii of time-invariant ... [17,19,29]for results on stability radii of time-invariant linear systems Earlier results for the robust stability of time-varying systems can be found, e.g., in [16,20,21] Therefore, it is natural ... complementary part to a recentpaper on stability radii for time-varying differential-algebraicequations [N.H Du, V.H Linh, Stability radii for linear time-varying differential-algebraic equations with

Ngày tải lên: 12/12/2017, 06:52

... Trang 1PRACTICAL STABILITY OF LINEAR TIMEPRACTICAL STABILITY OF LINEAR TIME VARYING VARYING VARYING DELAY SYSTEMS DELAY SYSTEMS Le Van Hien Hanoi National University of ... interval of time between a stimulation and the system response [1] This interval of time is often known as time delay of a system Since time-delay unavoidably occurs in engineering systems and ... stability of nonlinear impulsive delay-free systems In [15] some results on practical stability of nonlinear delay-free switched systems without a common equilibrium and under a time-dependent

Ngày tải lên: 13/01/2020, 12:20

... and descriptive time delay systems Singular and descriptive systems represent very important classes of systems Their stability was considered in detail in the previous chapter Time delay phenomena, ... this section 3.1 Continuous singular time delayed systems 3.1.1 Continuous singular time delayed systems – Stability in the sense of Lyapunov Consider a linear continuous singular system with ... ∀ ∈ ℑ (177) 3.2 Discrete descriptor time delayed systems 3.2.1 Discrete descriptor time delayed systems – Stability in the sense of Lyapunov Consider a linear discrete descriptor system with

Ngày tải lên: 20/06/2014, 07:20

... & Stepanov, A.V (2009) Stable Periodic Solutions of Time Delay Systems Containing Hysteresis Nonlinearities, Topics in Time Delay Systems Analysis, Algorithms and Control, Vol.388, pp 121-132, ... of integrating and unstable time delay systems: an integrating time delay system (ITDS), an unstable first order time delay system (UFOTDS), an unstable second order time delay system (USOTDS), ... 978-3-642-02896-0, Springer-Verlag Berlin Heidelberg Trang 56 Design of Controllers for Time Delay Systems: Integrating and Unstable Systems Petr Dostál, František Gazdoš, and Vladimír Bobál Faculty of Applied

Ngày tải lên: 20/06/2014, 07:20

... uncertain time- delay systems with time- varying delays in the presence of nonlinear perturbation In Nounou (2006), the... Stabilization for Large-Scale Systems with Unknown Time- Delay ... large-scale time- delay systems with dead-zone input, Automatica 44: 1790–1799 142 Time- Delay Systems Zhou, J & Wen, C (2008a) Adaptive Backstepping Control of Uncertain Systems: Nonsmooth ... class of time delayed systems, IEEE Transactions on Automatic Control 50: 89 4 89 9 Hua, C., Guan, X & Shi, P (2007) Robust output feedback tracking control for time- delay nonlinear systems

Ngày tải lên: 20/06/2014, 07:20

... uncertain time-delay systems with time-varying delays and a nonlinear perturbation when perturbations also appear in the state feedback gain of the controller It is assumed that the nonlinear perturbation ... delay−dependent adaptive control when θ * is known and ρ * is unknown −1 0 1 x2 −2 0 2 Time 1.1 1.2 1.3 Time −5 0 5 Time Fig 2 Closed-loop response whenθ ∗is known andρ ∗is unknown −2 −1 0 x 1 Resilient ... Deterministic and Stochastic Time Delay Systems, Control Engineering - Birkhauser, Boston Cheres, E., Gutman, S & Palmer, Z (1989) Stabilization of uncertain dynamic systems including state delay,

Ngày tải lên: 20/06/2014, 07:20

... uncertain discrete-time systems with delay,” IEE Proc.-Control Theory Appl., vol 150, no 4, pp 412-416, 2003 [3] V N Phat, “New stabilization criteria for linear time-varying systems with state ... uncertain time-delay systems,” IEEE Conf on Systems, Man, and Cybern., pp 2266-2271, 2003 [14] C C Chiang, “Adaptive fuzzy sliding mode control for time-delay uncertain large-scale systems,” ... Circuit and Systems-I: Fundamental Theory and Applications, vol 50, no 6, pp 826-830, 2003 [8] F Hong, S S Ge, and T H Lee, “Delay-independent sliding mode control of nonlinear time-delay systems,”

Ngày tải lên: 20/06/2014, 07:20

... assumptions Noticably, the linear delayed system of Δ given in Eq (22) is with time-dependent coefficients The specific example shown in Section 4 with coupled modified Mackey-Glass systems will demonstrate ... the Krasovskii-Lyapunov theory (Hale & Lunel, 1993; Krasovskii, 1963) to the case of multiple time-delays, the sufficient condition to achieve limt→∞Δ(t) =0 from Eq (22) is expressed as α >∑P ... desired projective-lag manifold is described by where a and b are nonzero real numbers, and τ dis the time lag by which the state variable of the master is retarded in comparison with that of the slave

Ngày tải lên: 20/06/2014, 07:20

... Bezruchko, B P (2005) Reconstruction of time-delayed feedback systems from time series, Physica D 203: 209–223 Pyragas, K (1998a) Synchronization of coupled time-delay systems: Analytical estimations, ... delay times and synchronization in time-delayed systems, Chaos, Solitons and Fractals 25: 325–331. Shahverdiev, E M & Shore, K A (2005) Generalized synchronization of time-delayed systems, ... lagsynchronization via complete synchronization in time-delay systems, Phys Rev E 71: 016211.1–016211.10 Shahverdiev, E M (2004) Synchronization in systems with multiple time delays, Phys Rev E 70: 067202.1–067202.4

Ngày tải lên: 20/06/2014, 07:20

... 521–542, 1999 10 E K Boukas, “State feedback stabilization of nonlinear discrete-time systems with time-varying time delay,” Nonlinear Analysis: Theory, Methods & Applications, vol 66, no 6, pp ... exponential stabilizability of discrete-time systems with time-delayed states Finally, as an application, we consider the global stabilization of the nonlinear control systems Preliminaries In this paper ... discrete-time systems,” International Journal of Robust and Nonlinear Control, vol 16, no 4, pp 191–214, 2006 20 I Karafyllis, “Non-uniform robust global asymptotic stability for discrete-time systems

Ngày tải lên: 21/06/2014, 20:20

... Hindawi Publishing Corporation Maximum Likelihood Turbo Iterative Channel Estimation for Space-Time Coded Systems and Its Application to Radio Transmission in Subway Tunnels Miguel Gonz ´alez-L ´opez ... Revised 31 July 2003 This paper presents a novel channel estimation technique for space-time coded (STC) systems It is based on applying the max-imum likelihood (ML) principle not only over a ... European railway digital radio-communic-ation systems Due to the conservative nature of its market, it is expected that railway radio-communication systems will employ GSM-R for the long-term future

Ngày tải lên: 23/06/2014, 01:20

... functionals can be used to obtain exponential bounds for the solutions of time-invariant linear delay systems. Keywords: time delay system, exponential estimate, Lyapunov-Krasovskii func- tional. ... exist for delay systems. It is true, there exists an operator theoretic version of Lyapunov’s equation in the abstract semigroup theory of infinite dimensional time-invariant linear systems, see ... . (23) 10 [...]... analysis of time- delay systems Automatica, 39:15–20, 2003 [10] V L Kharitonov and E Plischke Lyapunov matrices for time- delay systems Report ???, Zentrum f¨ r

Ngày tải lên: 06/07/2014, 21:20

... technique mentioned above Crucial ingredients of the algorithm are a linear time procedure for construction of a suffix tree [7] and a linear time algorithm for a special case of a disjoint set union problem ... approximation for unsigned k-MCSP In Section we deal with the running time of the algorithm and we show how to implement the algorithm in linear time, using the suffix tree data structure Finally, Section ... solution for k-SBR Crucial ingredients of our algorithm are the suffix tree data structure and a linear time algorithm for a special case of a disjoint set union problem Key words Approximation algorithms,

Ngày tải lên: 07/08/2014, 15:22

... [9], which is open-source real-time in-strumentation middleware for distributed real-time and embedded (DRE) systems.OASIS enables real-time instrumentation of DRE systems without a priori knowledge ... the Graduate Program Date Darshan Gajanan Puranik Real-time Monitoring of Distributed Real-time Embedded Systems using Web Trang 2EMBEDDED SYSTEMS USING WEBA ThesisSubmitted to the Faculty ofPurdue ... experience report for adding real-time monitoring support over the Web to the Open-source Architecture of Software Instrumentation of Systems (OASIS),which is open-source real-time instrumentation middleware

Ngày tải lên: 24/08/2014, 12:08

... 1STABILIZATION AND CONTROL OF UNSTABLE TIME DELAY SYSTEMS LEE SEE CHEK NATIONAL UNIVERSITY OF SINGAPORE 2012 Trang 2STABILIZATION AND CONTROL OF UNSTABLE TIME DELAY SYSTEMS LEE SEE CHEK (B.Eng ... stable delay-free systems have been well developed inresearch society and widely adopted in industry Study of time delay systems remains ahot research topic while the unstable systems are gaining ... the literature, whether a first-orderunstable time delay process can be stabilized or not, depends on the time delay magni-tude When the normalized time delay exceeds 2, a PID controller has no

Ngày tải lên: 09/09/2015, 17:57

... scheduling strategies for real-time systems are reviewed Although it is a traditional topic, the scheduling algorithm design evolves with the nology advancements of real-time systems The following subsections ... the task invocation time and execution speedare adjusted at the runtime, and the algorithm efficiency is of great importance.Dynamic task scheduling results in less system idle time and better performance ... aswell as the starting time, to avoid deadline violations is in general a primarygoal for real-time schedulers cor-• The dynamic algorithm itself, since it is running in the runtime environment, has

Ngày tải lên: 10/09/2015, 15:52

... constrained linear systems with bounded disturbances (LBD systems); (2) constrained piecewise linear systems with bounded disturbances (PWLBD systems); (3) constrained nonlinear systems. A multi-mode ... and nonlinear systems. Most practical systems, such as engineering, biological and economic systems, are often described by linear models with additive disturbances. Although MPC for linear models ... Robust Nonlinear Model Predictive Control In Chapter 7, we consider the constrained nonlinear systems without disturbances. It would be appropriate to extend the ideas to nonlinear systems with

Ngày tải lên: 11/09/2015, 14:29