Fuzziness measure on complete hedge algebras and quantifying semantics of terms in linear hedge algebras

NC Ho, N Van Long - Fuzzy sets and Systems, 2007 - Elsevier
In the paper, we shall examine the fuzziness measure (FM) of terms or of complete and
linear hedge algebras of a linguistic variable. The notion of semantically quantifying …

Fuzzy C-means clustering algorithm with multiple fuzzification coefficients

TD Khang, ND Vuong, MK Tran, M Fowler - Algorithms, 2020 - mdpi.com
Clustering is an unsupervised machine learning technique with many practical applications
that has gathered extensive research interest. Aside from deterministic or probabilistic …

Active control based on hedge-algebras theory of seismic-excited buildings with upgraded tuned liquid column damper

HL Bui, NA Tran, HQ Cao - Journal of Engineering Mechanics, 2023 - ascelibrary.org
An active type of upgraded tuned liquid column damper (AUTLCD) based on hedge-
algebras (HA) theory is proposed to mitigate structural vibrations of seismic-excited …

An algebraic approach to linguistic hedges in Zadeh's fuzzy logic

NC Ho, HV Nam - Fuzzy Sets and Systems, 2002 - Elsevier
The paper addresses the mathematical modelling of domains of linguistic variables, ie term-
sets of linguistic variables, in order to obtain a suitable algebraic structure for the set of truth …

General optimization procedure of the Hedge-algebras controller for controlling dynamic systems

TD Nguyen, HL Bui - Artificial Intelligence Review, 2023 - Springer
This study aims to investigate a general optimization procedure of the Hedge-algebras
controller (HAC) for controlling dynamic systems. Based on the analysis of factors affecting …

A genetic design of linguistic terms for fuzzy rule based classifiers

CH Nguyen, W Pedrycz, TL Duong, TS Tran - International Journal of …, 2013 - Elsevier
The determination of fuzzy information granules including the estimation of their
membership functions play a significant role in fuzzy system design as well as in the design …

A fuzzy-set approach to treat determinacy and consistency of linguistic terms in multi-criteria decision making

J Ma, D Ruan, Y Xu, G Zhang - International Journal of Approximate …, 2007 - Elsevier
A fuzzy-set-based approach is presented to describe linguistic information in multi-criteria
decision making. After having introduced concepts of determinacy and consistency of …

Design optimization considering the stability constraint of the Hedge-algebras-based controller for building structures subjected to seismic excitations

VB Bui, TT Mac, HL Bui - … , Part I: Journal of Systems and …, 2023 - journals.sagepub.com
This study investigates a multi-objective optimal solution for active Hedge-algebras-based
control of building structures subjected to earthquakes. The stability condition of the system …

A parametric representation of linguistic hedges in Zadeh's fuzzy logic

VN Huynh, TB Ho, Y Nakamori - International Journal of Approximate …, 2002 - Elsevier
This paper proposes a model for the parametric representation of linguistic hedges in
Zadeh's fuzzy logic. In this model each linguistic truth-value, which is generated from a …

Optimal hedge-algebras-based controller: Design and application

NC Ho, VN Lan - Fuzzy Sets and Systems, 2008 - Elsevier
In previous papers, we introduced a new reasoning method based on quantifying linguistic
domains, established a new fuzzy control algorithm, called hedge-algebras-based controller …