2013
DOI: 10.3182/20130904-3-fr-2041.00129
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Lyapunov event-triggered control: a new event strategy based on the control

Abstract: Event-triggered control is a sampling strategy that updates the control value only when some events occur. An event is usually generated by an event-function that indicates if the control signal must be updated or not. If one excepts self-triggered implementation, event-triggered control requires the evaluation of the event function at each time instant. Unfortunately, in the literature of nonlinear system event-based control, computing the event function is more resource consuming than computing the control i… Show more

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Cited by 12 publications
(30 citation statements)
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“…From (13) and the use of S-procedure, one obtains (15). Then, we conclude thatV (x(t)) < 0 and therefore…”
Section: Preliminary Resultsmentioning
confidence: 92%
See 1 more Smart Citation
“…From (13) and the use of S-procedure, one obtains (15). Then, we conclude thatV (x(t)) < 0 and therefore…”
Section: Preliminary Resultsmentioning
confidence: 92%
“…In this work, inspired by [15] and [21], the design of the event-triggering strategy for observer-based state feedback is proposed based on the decrease of a Lyapunov function. In the context of event-triggered control, the plant evolves in continuous time, whereas the control signal is updated depending on discretetime events, the resulting closed-loop system can be cast as hybrid or impulsive systems.…”
Section: Introductionmentioning
confidence: 99%
“…Also, we show that for each bounded region of the state space, self-triggered and periodic event-triggered controllers exist that provide stability for any initial condition from this region. Our approach substantially differs from the previous works [30], [40]- [42], [45]. Unlike [30], [45], we do not assume that CLF satisfies the ISS condition (8).…”
Section: B Clf and Event-triggered Controlmentioning
confidence: 98%
“…Whereas the condition (8) holds for linear systems [30] and some polynomial systems [45], in general it is restrictive and not easy to verify. Another approach to CLF-based design of event-triggered controllers has been proposed in [41], [42]. Discarding the ISS condition (8), this approach is based on Sontag's theory [4] and inherits its basic assumptions: first, the system has to be affine F (x, u) = f (x) + g(x)u, where f, g ∈ C 1 , second, Sontag's controller is admissible (u(x) ∈ U for any x).…”
Section: B Clf and Event-triggered Controlmentioning
confidence: 99%
“…A more recent result from [35] relaxes the ISS condition to a stronger version of usual asymptotic stability, however the control algorithm from [35], in general, does not ensure positive dwell time between the consecutive events, nor even the absence of Zeno behaviors. Another approach, based on Sontag's universal formula [36] and inheriting its basic limitations has been proposed in [28,29]. All of these results rely on restrictive assumptions, discussed in detail in Section 2, and do not allow to estimate the convergence rate efficiently.…”
Section: Introductionmentioning
confidence: 99%