2020
DOI: 10.1002/rnc.5133
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Event‐triggered model predictive control for disturbed linear systems under two‐channel transmissions

Abstract: This article studies an event-triggered model predictive control problem for constrained continuous-time linear systems subject to bounded disturbances. Two different event-triggered strategies are constructed in the sensor and the controller nodes for reducing the communication and computational loads, respectively. The continuous predicted control trajectory generated by the controller is applied to the plant under a sample-and-hold implementation. By constructing a feasible control sequence, the sufficient … Show more

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Cited by 23 publications
(13 citation statements)
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“…In this section, two examples are given to verify the effectiveness of the proposed algorithm.Example We consider the following linearized cart‐damper‐spring system [21, 32]: trueẋ(t)=[]01k/Mcζ/Mcx(t)+[]01/Mcu(t)+[]11ω(t),\begin{equation} \dot{x}(t)= \def\eqcellsep{&}\begin{bmatrix} 0 &\quad 1 \\[4pt] -k/M_c &\quad -\zeta /M_c \end{bmatrix}x(t) + \def\eqcellsep{&}\begin{bmatrix} 0 \\[4pt] 1/M_c \end{bmatrix}u(t) + \def\eqcellsep{&}\begin{bmatrix} 1 \\[4pt] 1 \end{bmatrix} \omega (t), \end{equation}where Mc=1.5kg$M_c = 1.5 \mathrm{kg}$ is the mass of the cart, k=0.25normalN/normalm$k = 0.25 \mathrm{N/m}$ is the linear spring factor, ζ=0.42normalN·normals/normalm$\zeta = 0.42 \mathrm{N \cdot s/m}$ is the damper factor. The input constraint is 0.25ufalse(tfalse)0.25$-0.25 \le u(t) \le 0.25$, and ω$\omega$ is a bounded additive disturbance by false∥ωfalse∥μ$\Vert \omega \Vert \le \mu$.…”
Section: Simulation Resultsmentioning
confidence: 99%
“…In this section, two examples are given to verify the effectiveness of the proposed algorithm.Example We consider the following linearized cart‐damper‐spring system [21, 32]: trueẋ(t)=[]01k/Mcζ/Mcx(t)+[]01/Mcu(t)+[]11ω(t),\begin{equation} \dot{x}(t)= \def\eqcellsep{&}\begin{bmatrix} 0 &\quad 1 \\[4pt] -k/M_c &\quad -\zeta /M_c \end{bmatrix}x(t) + \def\eqcellsep{&}\begin{bmatrix} 0 \\[4pt] 1/M_c \end{bmatrix}u(t) + \def\eqcellsep{&}\begin{bmatrix} 1 \\[4pt] 1 \end{bmatrix} \omega (t), \end{equation}where Mc=1.5kg$M_c = 1.5 \mathrm{kg}$ is the mass of the cart, k=0.25normalN/normalm$k = 0.25 \mathrm{N/m}$ is the linear spring factor, ζ=0.42normalN·normals/normalm$\zeta = 0.42 \mathrm{N \cdot s/m}$ is the damper factor. The input constraint is 0.25ufalse(tfalse)0.25$-0.25 \le u(t) \le 0.25$, and ω$\omega$ is a bounded additive disturbance by false∥ωfalse∥μ$\Vert \omega \Vert \le \mu$.…”
Section: Simulation Resultsmentioning
confidence: 99%
“…Further, convergence of optimal estimator for discrete time linear systems with additive process and measurement noise and autocorrelated multiplicative measurement noise. 20 However, it did not consider the effect of delay and dropout. In Reference 21, an estimator is designed for system affected by auto correlated process and measurement noise and correlated multiplicative noise in both state and measurement matrix.…”
Section: Introductionmentioning
confidence: 99%
“…The additive process noise is finite step autocorrelated but uncorrelated with measurement noise. Further, convergence of optimal estimator for discrete time linear systems with additive process and measurement noise and autocorrelated multiplicative measurement noise 20 . However, it did not consider the effect of delay and dropout.…”
Section: Introductionmentioning
confidence: 99%
“…Currently, the event-triggered MPC has received a lot of research efforts in the literature. [37][38][39][40] Depending on the full or partial availability of system states, the event-triggered MPC can be further classified into: the state feedback event-triggered MPC and the output feedback event-triggered MPC. Specially, Sun et al 41 studied an integral-type event-triggered MPC for the nonlinear system with disturbance, where the triggering condition was designed on the integral of errors between the real measured and optimal predicted state sequences.…”
Section: Introductionmentioning
confidence: 99%