Results 71 to 80 of about 29,963 (198)

Adaptive Sliding Mode Control Design for Interval Type‐2 T–S Fuzzy Systems With Time Delay: An Event‐Triggered Approach

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT In this work, a new event‐triggered adaptive first‐order sliding mode control method is proposed for nonlinear systems with constant time delays, modeled by interval type‐2 Takagi–Sugeno (T–S) fuzzy systems. To handle matched disturbances with unknown upper bounds, a non‐overestimating adaptation strategy for the control coefficient is ...
Rodrigo Possidonio Noronha   +1 more
wiley   +1 more source

The existence of solutions for nonlinear fractional boundary value problem and its Lyapunov-type inequality involving conformable variable-order derivative

open access: yesJournal of Inequalities and Applications, 2020
We consider a nonlinear fractional boundary value problem involving conformable variable-order derivative with Dirichlet conditions. We prove the existence of solutions to the considered problem by using the upper and lower solutions’ method with ...
Jie Wang, Shuqin Zhang
doaj   +1 more source

Heat equation and convolution inequalities

open access: yes, 2013
It is known that many classical inequalities linked to convolutions can be obtained by looking at the monotonicity in time of convolutions of powers of solutions to the heat equation, provided that both the exponents and the coefficients of diffusions ...
Toscani, Giuseppe
core   +1 more source

Sliding Mode Control in Aerospace Applications: A Survey

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Sliding mode control (SMC) enjoys robustness to matched and unmatched (in the case of minimum phase input‐output dynamics) bounded perturbations, and finite time convergence. Second‐order and higher‐order sliding mode control systems (2‐SMC/HOSMC) retain all the advantages of sliding mode control, but in addition can be applied to systems of ...
Yuri Shtessel, Christopher Edwards
wiley   +1 more source

Lyapunov type inequalities and their applications for quasilinear impulsive systems

open access: yesJournal of Taibah University for Science, 2019
A novel Lyapunov-type inequality for Dirichlet problem associated with the quasilinear impulsive system involving the $(p_j, q_j) $-Laplacian operator for j=1,2 is obtained.
Zeynep Kayar
doaj   +1 more source

Efficient Simulation and Conditional Functional Limit Theorems for Ruinous Heavy-tailed Random Walks [PDF]

open access: yes, 2010
The contribution of this paper is to introduce change of measure based techniques for the rare-event analysis of heavy-tailed stochastic processes. Our changes-of-measure are parameterized by a family of distributions admitting a mixture form. We exploit
Blanchet, Jose, Liu, Jingchen
core  

The role of identification in data‐driven policy iteration: A system theoretic study

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
Abstract The goal of this article is to study fundamental mechanisms behind so‐called indirect and direct data‐driven control for unknown systems. Specifically, we consider policy iteration applied to the linear quadratic regulator problem. Two iterative procedures, where data collected from the system are repeatedly used to compute new estimates of ...
Bowen Song, Andrea Iannelli
wiley   +1 more source

The Existence and Uniqueness of Solutions and Lyapunov-Type Inequality for CFR Fractional Differential Equations

open access: yesJournal of Function Spaces, 2018
In this paper, we research CFR fractional differential equations with the derivative of order ...
Xia Wang, Run Xu
doaj   +1 more source

A Lyapunov type inequality for indefinite weights and eigenvalue homogenization [PDF]

open access: yesProceedings of the American Mathematical Society, 2015
12 ...
Salort, Ariel Martin   +2 more
openaire   +3 more sources

Enhancing generalized spectral clustering with embedding Laplacian graph regularization

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
Abstract An enhanced generalised spectral clustering framework that addresses the limitations of existing methods by incorporating the Laplacian graph and group effect into a regularisation term is presented. By doing so, the framework significantly enhances discrimination power and proves highly effective in handling noisy data.
Hengmin Zhang   +5 more
wiley   +1 more source

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