Observer-based fault estimators using iterative learning scheme for nonlinear time-delay systems with intermittent faults
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.3747
Abstract: Summary This paper deals with the intermittent fault estimation problem for a class of nonlinear time-delay systems with measurement noise. The time delays are assumed to occur in state vector, nonlinear term as well as… read more here.
Keywords: fault; time; iterative learning; nonlinear time ... See more keywords
Robust control for uncertain linear delay systems via sliding mode control
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DOI: 10.1002/rnc.3834
Abstract: Summary In this paper, a novel discontinuous control strategy for robust stabilization of a class of uncertain multivariable linear time-delay systems with delays in both the state and control variables is proposed. Two predictors are… read more here.
Keywords: control robust; sliding mode; control; delay ... See more keywords
Lyapunov–Krasovskii functionals for homogeneous time delay systems of neutral type
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DOI: 10.1002/rnc.5684
Abstract: In this article, we present a general construction of Lyapunov–Krasovskii functionals for a class of neutral‐type time delay systems with a linear difference part and homogeneous right‐hand sides of degree strictly greater than one. Under… read more here.
Keywords: krasovskii functionals; neutral type; lyapunov krasovskii; delay systems ... See more keywords
FOPID controller optimization based on SIWPSO-RBFNN algorithm for fractional-order time delay systems
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DOI: 10.1007/s00500-016-2050-0
Abstract: In this study, the stochastic inertia weight particle swarm optimization (SIWPSO) algorithm and radial basis function neural network (RBFNN) methods were used to identify the optimal controller gain for the fractional order proportional integral derivative… read more here.
Keywords: fractional order; time delay; controller; delay systems ... See more keywords
Finite Dimensional State Representation of Linear and Nonlinear Delay Systems
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DOI: 10.1007/s10884-017-9611-5
Abstract: We consider the question of when delay systems, which are intrinsically infinite dimensional, can be represented by finite dimensional systems. Specifically, we give conditions for when all the information about the solutions of the delay… read more here.
Keywords: state representation; finite dimensional; delay; delay systems ... See more keywords
Input-output linearization of SISO nonlinear time-varying delay systems
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DOI: 10.1016/j.ifacol.2017.08.1329
Abstract: The present paper deals with the input-output linearization of nonlinear time-varying delay systems with delays in the input and the output. We introduce an extension of the Lie derivative for time-varying delay systems. We derive… read more here.
Keywords: input output; time varying; varying delay; output ... See more keywords
Stability conditions for time delay systems in terms of the Lyapunov matrix
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DOI: 10.1016/j.ifacol.2018.07.212
Abstract: Abstract An overview of stability conditions in terms of the Lyapunov matrix for time-delay systems is presented. The main results and proof strategies are outlined in the retarded type case. The state of the art… read more here.
Keywords: stability conditions; terms lyapunov; delay; lyapunov matrix ... See more keywords
On the Lyapunov Matrix for Integral Delay Systems with a Class of General Kernel
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DOI: 10.1016/j.ifacol.2019.12.212
Abstract: Abstract We study integral delay systems with exponential kernel. The computation of the Lyapunov matrix is shown to reduce to an auxiliary system of differential equations with boundary conditions of mixed type. We prove that… read more here.
Keywords: integral delay; delay; matrix integral; lyapunov matrix ... See more keywords
A Property of Optimal Control in Nonlinear Time-Delay Systems
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DOI: 10.1016/j.ifacol.2019.12.219
Abstract: Abstract The connectedness of region of asymptotic stability of time-delay systems is proved. We apply this to prove one important property of optimal control of a time-delay system. Namely, we have established that the region… read more here.
Keywords: control; time delay; optimal control; delay systems ... See more keywords
Controllability of linear delay systems and of their sampled versions
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DOI: 10.1016/j.ifacol.2020.12.1032
Abstract: Abstract This paper focuses on the controllability preservation through sampling of linear time-delay systems. We make use of a module theoretic framework acting as a unifying one for most of the existing delay system controllability… read more here.
Keywords: delay systems; systems sampled; controllability linear; delay ... See more keywords
Improved stability and stabilisation criteria for discrete time-delay systems via a novel double summation inequality
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DOI: 10.1049/iet-cta.2017.0791
Abstract: This study focuses on the problem of stability analysis and stabilisation for discrete time-delay systems. A new type of augmented Lyapunov–Krasovskii functional (LKF) is proposed to derive less conservative stability and stabilisation conditions. A novel… read more here.
Keywords: discrete time; stabilisation; stability stabilisation; time delay ... See more keywords