International Journal of Fuzzy Systems
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Fuzzy Disturbance Observer Design for a Class of Nonlinear SISO Systems
International Journal of Fuzzy Systems - Tập 24 - Trang 147-158 - 2021
In this paper, a novel fuzzy disturbance observer (DOB) is designed for a class of nonlinear single-input–single-output (SISO) systems. The main feature of the proposed DOB lies in that only the control input and system output information is required. According to the output information and mathematical model of the original SISO system, an auxiliary system is constructed to estimate the disturban......
New Linguistic Z-Number Petri Nets for Knowledge Acquisition and Representation Under Large Group Environment
International Journal of Fuzzy Systems - Tập 24 - Trang 3483-3500 - 2022
In this paper, we develop a new model named linguistic Z-number Petri nets for knowledge acquisition and representation in the large group environment. First, the linguistic Z-number production rules are introduced for knowledge representation, where truth degrees, threshold values, and certainty factors are described by linguistic Z-numbers. Subsequently, a knowledge acquisition approach is put f......
Soft Sensor Modeling of Self-Organizing Interval Type-2 Fuzzy Neural Network Based on Adaptive Quantum-Behaved Particle Swarm Optimization Algorithm
International Journal of Fuzzy Systems - - 2024
In this study, a self-organizing interval type-2 fuzzy neural network (SOIT2FNN) based on the Adaptive Quantum-behaved Particle Swarm Optimization (AQPSO) algorithm is proposed as a solution to the soft sensor modeling problem of effluent total phosphorus in the wastewater treatment process. An AQPSO algorithm is proposed to train and optimize the SOIT2FNN soft sensor model's structure and paramet......
Fuzzy Transform and Least-Squares Fuzzy Transform: Comparison and Application
International Journal of Fuzzy Systems - Tập 24 - Trang 2740-2752 - 2022
Fuzzy transform is a novel and well-founded soft computing method for reconstruction and denoising of image data. Recently, a least-squares fuzzy transform that combines a fuzzy transform with a least-squares algorithm for function reconstruction has been proposed. However, the least-squares fuzzy transform has a drawback because it uses an estimation process based on the least-squares algorithm, ......
Hesitant Fuzzy Multi-Criteria Group Decision Making with Unknown Weight Information
International Journal of Fuzzy Systems - Tập 19 - Trang 615-636 - 2016
The hesitant fuzzy set permits the membership degree of an element to be a set of several possible values between 0 and 1, and is therefore an efficient tool for handling multi-criteria group decision making (MCGDM) problems in which experts hesitate between several values to assess an alternative. The aim of this paper is to study MCGDM problems in which the criterion values provided by experts t......
Vessel-UAV Collaborative Optimization for the Offshore Oil and Gas Pipelines Inspection
International Journal of Fuzzy Systems - Tập 25 - Trang 382-394 - 2023
This paper investigates a two-stage optimization problem arising from the vessel-UAV collaborative inspection practice for oil and gas pipelines in an offshore oil and gas field (OF). Multiple vessels depart from a base to perform pipeline inspections using loaded UAVs such that the total travel cost of all vessels is minimized. A two-stage formulation with fuzzy parameters is established to addre......
Fuzzy-Logic-Inspired Zone-Based Clustering Algorithm for Wireless Sensor Networks
International Journal of Fuzzy Systems - Tập 23 - Trang 506-517 - 2020
With the increasing use of wireless terminals, wireless sensor networks (WSNs) have received significant attention owing to their wide usage in monitoring harsh environments, crucial surveillance and security applications, and other real-life applications. Sensor nodes in operation are equipped with batteries that are not rechargeable in most of the cases. Attaining the lifetime maximization of th......
Observer-Based Adaptive Fuzzy Control for Intelligent Ship Autopilot with Input Saturation
International Journal of Fuzzy Systems - Tập 22 - Trang 1416-1429 - 2020
In this paper, the design problem of intelligent ship autopilot with unmeasured yaw rate and input saturation is investigated based on adaptive fuzzy control. First, an adaptive fuzzy output feedback controller is proposed, then, to improve the convergence speed of the tracking error in the sense of finite time, a finite-time adaptive fuzzy output feedback controller is also designed to improve th......
Self-Organizing Adaptive Fuzzy Brain Emotional Learning Control for Nonlinear Systems
International Journal of Fuzzy Systems - Tập 21 - Trang 1989-2007 - 2019
This paper aims to develop a more efficient adaptive control system for uncertain nonlinear systems. A novel self-organizing fuzzy brain emotional learning controller (FBELC) is proposed. The FBELC neural network is the mathematical replica of human brain emotions incorporated with fuzzy inference rules, which mimics the judgments and emotions of the brain. The FBELC contains two sub-neural networ......
Prioritizing Strategies for Sustainable End-of-Life Vehicle Management Using Combinatorial Multi-Criteria Decision Making Method
International Journal of Fuzzy Systems - Tập 18 - Trang 448-462 - 2015
Sustainable end-of-life vehicles (ELVs) management has become a top important issue for automotive industries in many countries to tackle environmental and economic challenges. Currently, parts of the ELVs are used in many different ways, which often increase environmental hazards and reduce economic benefits. The selection of the best compromise ELVs management alternative (e.g., reuse, remanufac......
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