Results 31 to 40 of about 32,151 (273)

New relaxed stability and stabilization conditions for T‐S fuzzy systems with time‐varying delays

open access: yesIET Control Theory & Applications, 2021
This paper investigates the stability analysis and stabilization of T‐S fuzzy systems with time‐varying delays. First, a new augmented Lyapunov–Krasovskii functional is constructed, delay‐dependent stability criteria in terms of linear matrix ...
Kun Zhou, Binrui Wang, Shunan Qi
doaj   +1 more source

A convolution type inequality for fuzzy integrals

open access: yesApplied Mathematics and Computation, 2008
Given a nonnegative Lebesgue measurable function \(f:[0,1]\to [0,\infty)\), the Sugeno (or fuzzy) integral of \(f\) is defined by \[ -\mkern-18mu\int_0^1f(t)dt :=\sup_{\alpha\geq0}\min\big(\alpha,\mu\{x\in[0,1]:f(x)\geq\alpha\}\big), \] where \(\mu\) stands for the Lebesgue measure.
Heriberto Román-Flores   +2 more
openaire   +3 more sources

Extended Disturbance Observer-Based Integral Sliding Mode Control for Nonlinear System via T–S Fuzzy Model

open access: yesIEEE Access, 2020
In this paper, an extended disturbance observer-based integral sliding-mode control for a nonlinear system is proposed by the Takagi-Sugeno (T–S) fuzzy model approach.
Sounghwan Hwang, Han Sol Kim
doaj   +1 more source

Passive Stabilization of Static Output Feedback of Disturbed Nonlinear Stochastic System

open access: yesMathematics, 2023
This paper investigates the Static Output (SO) control issue of the disturbed nonlinear stochastic system, which achieves passivity. Through the application of fuzzy sets and the stochastic differential equation, a Takagi–Sugeno (T-S) fuzzy model with ...
Ping-Tzan Huang   +3 more
doaj   +1 more source

General Minkowski type and related inequalities for seminormed fuzzy integrals

open access: yesSahand Communications in Mathematical Analysis, 2014
Minkowski type inequalities for the seminormed fuzzy integrals on abstract spaces are studied in a rather general form. Also related inequalities to Minkowski type inequality for the seminormed fuzzy integrals on abstract spaces are studied.
Bayaz Daraby, Fatemeh Ghadimi
doaj   +1 more source

Optimal control design for robust fuzzy friction compensation in a robot joint [PDF]

open access: yes, 2009
This paper presents a methodology for the compensation of nonlinear friction in a robot joint structure based on a fuzzy local modeling technique. To enhance the tracking performance of the robot joint, a dynamic model is derived from the local physical ...
Denai, M.   +3 more
core   +2 more sources

Design and Real-Time Implementation of Takagi–Sugeno Fuzzy Controller for Magnetic Levitation Ball System

open access: yesIEEE Access, 2020
An integral state feedback control method based on T-S fuzzy model is proposed for nonlinear and unstable magnetic levitation ball system in this paper. Firstly, the fuzzy model of the magnetic levitation ball is derived from the nonlinear dynamic model ...
Jinggang Zhang   +2 more
doaj   +1 more source

Variance-constrained multiobjective control and filtering for nonlinear stochastic systems: A survey [PDF]

open access: yes, 2013
The multiobjective control and filtering problems for nonlinear stochastic systems with variance constraints are surveyed. First, the concepts of nonlinear stochastic systems are recalled along with the introduction of some recent advances.
Dong, H, Ma, L, Wang, Z, Wei, G
core   +2 more sources

Pre-Invexity and Fuzzy Fractional Integral Inequalities via Fuzzy Up and Down Relation

open access: yesSymmetry, 2023
The symmetric function class interacts heavily with other types of functions. One of these is the pre-invex function class, which is strongly related to symmetry theory. This paper proposes a novel fuzzy fractional extension of the Hermite-Hadamard, Hermite-Hadamard-Fejér, and Pachpatte type inequalities for up and down pre-invex fuzzy-number-valued ...
Muhammad Bilal Khan   +4 more
openaire   +1 more source

Generalized Variability Orderings among Nonnegative Fuzzy Random Variables

open access: yesAbstract and Applied Analysis, 2015
The variability ordering for more and less variables of fuzzy random variables in terms of its distribution function is defined. A property of new better than used in expectation (NBUE) and new worse than used in expectation (NWUE) is derived as an ...
S. Ramasubramanian, P. Mahendran
doaj   +1 more source

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