Observer-based fault estimators using iterative learning scheme for nonlinear time-delay systems with intermittent faults
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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
Simulation of 2D and 3D inverse source problems of nonlinear time-fractional wave equation by the meshless homogenization function method
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DOI: 10.1007/s00366-021-01489-2
Abstract: In this paper, homogenization functions are first proposed to address two-dimensional (2D) and three-dimensional (3D) inverse source problems of nonlinear time-fractional wave equation (ISPs-NTFWE). Homogenization functions for 2D and 3D problems can be derived based… read more here.
Keywords: problems nonlinear; method; inverse source; source problems ... See more keywords
A linearized second-order scheme for nonlinear time fractional Klein-Gordon type equations
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DOI: 10.1007/s11075-017-0385-y
Abstract: We consider difference schemes for nonlinear time fractional Klein-Gordon type equations in this paper. A linearized scheme is proposed to solve the problem. As a result, iterative method need not be employed. One of the… read more here.
Keywords: gordon type; time fractional; time; fractional klein ... See more keywords
Decay of an Extensible Viscoelastic Plate Equation with a Nonlinear Time Delay
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DOI: 10.1007/s40840-018-0602-4
Abstract: An extensible viscoelastic plate equation with a nonlinear time-varying delay feedback and nonlinear source term is considered. Under suitable assumptions on relaxation function, nonlinear internal delay feedback, and source term, we establish a general decay… read more here.
Keywords: equation nonlinear; plate equation; viscoelastic plate; delay ... See more keywords
A high-order numerical scheme for solving nonlinear time fractional reaction-diffusion equations with initial singularity
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DOI: 10.1016/j.apnum.2021.06.013
Abstract: Abstract We propose a high-order numerical scheme for nonlinear time fractional reaction-diffusion equations with initial singularity, where L2- 1 σ scheme on graded mesh is used to approximate Caputo fractional derivative and Legendre spectral method… read more here.
Keywords: order numerical; scheme; nonlinear time; numerical scheme ... See more keywords
Nonlinear Time Series Analysis of Avalanching Granular Flow Data
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DOI: 10.1016/j.ifacol.2019.09.193
Abstract: Abstract Dry cohesive granular flow can show pronounced nonlinear behaviour, which needs to be identified prior to the design of bulk solids handling systems. Laboratory tests yield time series data representing the flow behaviour of… read more here.
Keywords: granular flow; nonlinear time; time series; time ... See more keywords
On the limits of probabilistic forecasting in nonlinear time series analysis II: Differential entropy.
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DOI: 10.1063/1.4986394
Abstract: In a previous paper, the authors studied the limits of probabilistic prediction in nonlinear time series analysis in a perfect model scenario, i.e., in the ideal case that the uncertainty of an otherwise deterministic model… read more here.
Keywords: time series; entropy; limits probabilistic; series analysis ... See more keywords
Analysis of Legendre pseudospectral approximations for nonlinear time fractional diffusion-wave equations
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DOI: 10.1080/00207160.2020.1846731
Abstract: A finite difference/pseudospectral scheme is developed for solving nonlinear time fractional parabolic equations with Caputo fractional derivative of order . The boundedness and unique solvability of numerical solution are given. Then we prove rigorously the… read more here.
Keywords: time fractional; nonlinear time; legendre pseudospectral; analysis legendre ... See more keywords
Approximation-based adaptive tracking of a class of uncertain nonlinear time-delay systems in nonstrict-feedback form
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DOI: 10.1080/00207721.2016.1256450
Abstract: ABSTRACT This paper investigates a predefined performance control problem for adaptive tracking of uncertain nonlinear time-delay systems in nonstrict-feedback form. Nonstrict-feedback nonlinearities, time-varying delays and external disturbances are assumed to be unknown. Based on the… read more here.
Keywords: uncertain nonlinear; time; nonstrict feedback; adaptive tracking ... See more keywords
Output feedback stabilisation of stochastic nonlinear time-delay systems with unknown output function
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DOI: 10.1080/00207721.2017.1316885
Abstract: ABSTRACT This paper studies the problem of output feedback stabilisation for a class of stochastic nonlinear time-delay systems with the unknown output function. For stochastic nonlinear time-delay systems, the maximal open sector Δ of output… read more here.
Keywords: stochastic nonlinear; output feedback; output; nonlinear time ... See more keywords
Decentralised fault-tolerant tracking control for interconnected nonlinear time delay systems using dynamic event triggering mechanism
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DOI: 10.1080/00207721.2021.1966547
Abstract: In this study, a novel decentralised fault-tolerant control strategy is developed for a class of interconnected nonlinear time delay systems with unmeasurable state variables and actuator faults by... read more here.
Keywords: interconnected nonlinear; fault tolerant; decentralised fault; time delay ... See more keywords