Analysis and Synthesis of Dynamical Systems with Time-Delays - download pdf or read online

By Yuanqing Xia

ISBN-10: 3642026958

ISBN-13: 9783642026959

Time-delay happens in lots of dynamical platforms equivalent to organic platforms, chemical platforms, metallurgical processing platforms, nuclear reactor, lengthy transmission traces in pneumatic, hydraulic platforms and electric networks. particularly, in recent times, time-delay which exists in networked keep an eye on structures has introduced extra complicated challenge right into a new learn region. often, it's a resource of the iteration of oscillation, instability and negative functionality. huge attempt has been utilized to various features of linear time-delay structures in the course of fresh years. as the advent of the hold up issue renders the process research extra advanced, as well as the problems attributable to the perturbation or uncertainties, within the regulate of time-delay platforms, the issues of strong balance and strong stabilization are of serious importance.

This booklet offers a few easy theories of balance and stabilization of platforms with time-delay, that are relating to the most leads to this e-book. extra consciousness might be paid on synthesis of platforms with time-delay. that's, sliding mode keep watch over of platforms with time-delay, networked keep an eye on structures with time-delay, networked information fusion with random delay.

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Additional info for Analysis and Synthesis of Dynamical Systems with Time-Delays

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Y. : Analysis and Synthesis of Dynamical Systems, LNCIS 387, pp. 37–48. com 38 4 Robust SMC for Uncertain Time-Delay Systems The chapter is organized as follows. 2 gives the problem formulation and some preliminaries. 3, the results on designing sliding surface and reaching motion controller are established, and then, those results are extended to interval systems with time-delay. 5. , wi (t) ≤ wi (t), i = 1, 2, · · · , l, u(t) ∈ Rm is the control input, A, Ad , B and F are real constant matrices with appropriate dimensions and rank(B) = m.

In this chapter, the problem of designing both a linear sliding surface and reaching motion controller for a class of uncertain time-delay systems is considered. The uncertainties of the linear portion are assumed to have the matrix polytope structure while the input matrix uncertainty is matched. A delay-dependent LMI existence condition of a linear sliding surface for such systems is derived. The solution obtained can be used to characterize linear sliding surfaces, and by selecting a suitable reaching law, the reaching motion controller is designed.

PD By Lemma 1 in [197], the above inequality holds if and only if the following inequality is satisfied for any > 0 −P A¯T P P A¯ −P + −1 0 0 ¯D ¯TP 0 PD + ¯0 E¯ T E < 0. 0 0 Consequently, ¯T E ¯ −P + E A¯T P ¯ ¯D ¯T P PA −P + −1 P D < 0. Using Schur complement formula with respect to −P + to ⎤ ⎡ ¯ A¯T P 0 ¯T E −P + E ¯⎦<0 ⎣ P A¯ −P P D T ¯ 0 D P − I −1 ¯D ¯ T P , it leads PD which completes the proof. 1) are certain, the delay is time-varying and satisfies 0 ≤ τ (k) ≤ τ¯. Then, let ⎡ ⎤ ⎡ ⎤ x(k) ϕ(0) ⎢ x(k − 1) ⎥ ⎢ ϕ(−1) ⎥ ⎢ ⎥ ⎢ ⎥ ⎢ ⎥ ⎢ ⎥ .

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Analysis and Synthesis of Dynamical Systems with Time-Delays by Yuanqing Xia

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