Iranian Journal of Fuzzy Systems

A

Acceptance sampling plans A novel hesitant fuzzy linguistic term sets approach and its application on acceptance sampling plans [Volume 19, Issue 6, 2022, Pages 175-192]
Adaptive Type 2 adaptive fuzzy control approach applied to variable speed DFIG based wind turbines with MPPT algorithm [Volume 19, Issue 1, 2022, Pages 31-45]
Adaptive Supervisory adaptive interval type-2 fuzzy sliding mode control for planar cable-driven parallel robots using Grasshopper optimization [Volume 19, Issue 5, 2022, Pages 111-129]
Aggregation operator Spherical fuzzy soft sets: Theory and aggregation operator with its applications [Volume 19, Issue 2, 2022, Pages 83-97]
Algorithm Two novel approaches that reduce the effectiveness of the decision maker in decision making under uncertainty environments [Volume 19, Issue 2, 2022, Pages 105-117]
Artificial neural network An improvement in integrating clustering method and neural network to extract rules and application in diagnosis support [Volume 19, Issue 5, 2022, Pages 147-165]

B

Banach contraction Solvability of fuzzy fractional stochastic Pantograph differential system [Volume 19, Issue 1, 2022, Pages 47-60]
Basic logic Compactness of first-order fuzzy logics [Volume 19, Issue 3, 2022, Pages 53-68]
BCK-algebra Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Bipolar fuzzy relation equation A quadratic optimization problem with bipolar fuzzy relation equation constraints [Volume 19, Issue 6, 2022, Pages 125-140]
Boolean algebra Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Bounded lattice Constructing t-norms and t-conorms by using interior and closure operators on bounded lattices [Volume 19, Issue 1, 2022, Pages 125-140]
Bounds Best-possible bounds on the set of copulas with a given value of Gini's gamma [Volume 19, Issue 5, 2022, Pages 35-45]

C

Cable-driven parallel robot Supervisory adaptive interval type-2 fuzzy sliding mode control for planar cable-driven parallel robots using Grasshopper optimization [Volume 19, Issue 5, 2022, Pages 111-129]
Capability index Monte Carlo statistical test for fuzzy quality [Volume 19, Issue 1, 2022, Pages 115-124]
Categories of t-norms On some categories of triangular norms on the real unit interval [Volume 19, Issue 5, 2022, Pages 183-198]
Chang property Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Chattering Supervisory adaptive interval type-2 fuzzy sliding mode control for planar cable-driven parallel robots using Grasshopper optimization [Volume 19, Issue 5, 2022, Pages 111-129]
Cluster analysis Building the forecasting model for time series based on the improvement of fuzzy relationships [Volume 19, Issue 4, 2022, Pages 89-106]
Commutative ring Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Compactness Compactness of first-order fuzzy logics [Volume 19, Issue 3, 2022, Pages 53-68]
Complex fuzzy sets Complex fuzzy sets with applications in decision-making [Volume 19, Issue 4, 2022, Pages 147-163]
Composite programming Sustainability performance assessment with intuitionistic fuzzy composite metrics and its application to the motor industry [Volume 19, Issue 4, 2022, Pages 57-72]
Constraint interval arithmetic Are multidimensional RDM interval arithmetic and constrained interval arithmetic one and the same? [Volume 19, Issue 5, 2022, Pages 17-34]
Continuity Symmetric implicational algorithm derived from intuitionistic fuzzy entropy [Volume 19, Issue 4, 2022, Pages 27-44]
Control chart Fuzzy time series model using weighted least square estimation [Volume 19, Issue 2, 2022, Pages 63-81]
Copula Copula-based Berkson measurement error models [Volume 19, Issue 4, 2022, Pages 165-175]
Copula Best-possible bounds on the set of copulas with a given value of Gini's gamma [Volume 19, Issue 5, 2022, Pages 35-45]

D

Damage detection An approach for damage detection of space structures using combination of second order gradient and fuzzy logic methods [Volume 19, Issue 4, 2022, Pages 177-195]
Decision making Two novel approaches that reduce the effectiveness of the decision maker in decision making under uncertainty environments [Volume 19, Issue 2, 2022, Pages 105-117]
Decision making Novel distance measure between intuitionistic fuzzy sets and its application in pattern recognition [Volume 19, Issue 3, 2022, Pages 127-137]
Defuzzification Fuzzy Arrovian theorems when preferences are strongly-connected [Volume 19, Issue 4, 2022, Pages 45-56]
DFIG Type 2 adaptive fuzzy control approach applied to variable speed DFIG based wind turbines with MPPT algorithm [Volume 19, Issue 1, 2022, Pages 31-45]
Discrete I-semigroup A note on divisible discrete triangular norms [Volume 19, Issue 1, 2022, Pages 73-81]
Dynamic fuzzy systems A new stability criterion for high-order dynamic fuzzy systems [Volume 19, Issue 2, 2022, Pages 187-203]

E

Efficient solution An approach based on $lpha$-cuts and max-min technique to linear fractional programming with fuzzy coefficients [Volume 19, Issue 1, 2022, Pages 153-169]
Entropy Ordinal fuzzy entropy [Volume 19, Issue 3, 2022, Pages 171-186]
Extended picture fuzzy set (E-PFS) A parametric similarity measure for extended picture fuzzy sets and its application in pattern recognition [Volume 19, Issue 6, 2022, Pages 141-160]

F

Facilities location A new model to protect an important node against two threatening agents [Volume 19, Issue 6, 2022, Pages 51-60]
FCM clustering algorithm HFC: Data clustering based on hesitant fuzzy decision making [Volume 19, Issue 5, 2022, Pages 167-181]
Fuzzy analysis Stability problem for Pexiderized Cauchy-Jensen type functional equations of fuzzy number-valued mappings [Volume 19, Issue 1, 2022, Pages 141-151]
Fuzzy arithmetic L-R representation of TA fuzzy arithmetic and its application to solving fuzzy equations [Volume 19, Issue 5, 2022, Pages 63-78]
Fuzzy Cohen-Grossberg neural network Finite-time synchronization of fractional-order fuzzy Cohen-Grossberg neural networks with time delay [Volume 19, Issue 5, 2022, Pages 47-61]
Fuzzy convex space Fuzzy betweenness spaces on continuous lattices [Volume 19, Issue 3, 2022, Pages 39-52]
Fuzzy decision tree Fuzzy decision tree algorithm based on feature value's class contribution level [Volume 19, Issue 4, 2022, Pages 73-88]
Fuzzy equality L-R representation of TA fuzzy arithmetic and its application to solving fuzzy equations [Volume 19, Issue 5, 2022, Pages 63-78]
Fuzzy graph Neighborhood connectivity index of a fuzzy graph and its application to human trafficking [Volume 19, Issue 3, 2022, Pages 139-154]
Fuzzy implication On some categories of triangular norms on the real unit interval [Volume 19, Issue 5, 2022, Pages 183-198]
Fuzzy logic Fuzzy-logic model for feasibility study of project implementation: Project’s investment risk [Volume 19, Issue 2, 2022, Pages 1-15]
Fuzzy logic Semilinear logics with knotted axioms [Volume 19, Issue 2, 2022, Pages 17-30]
Fuzzy logic An approach for damage detection of space structures using combination of second order gradient and fuzzy logic methods [Volume 19, Issue 4, 2022, Pages 177-195]
Fuzzy metric Aggregation of fuzzy metrics and its application in image segmentation [Volume 19, Issue 3, 2022, Pages 19-37]
Fuzzy number On deferred statistical A-convergence of fuzzy sequence and applications [Volume 19, Issue 2, 2022, Pages 119-131]
Fuzzy number-valued mapping Stability problem for Pexiderized Cauchy-Jensen type functional equations of fuzzy number-valued mappings [Volume 19, Issue 1, 2022, Pages 141-151]
Fuzzy product Fuzzy product rule with applications [Volume 19, Issue 6, 2022, Pages 75-92]
Fuzzy reasoning Symmetric implicational algorithm derived from intuitionistic fuzzy entropy [Volume 19, Issue 4, 2022, Pages 27-44]
Fuzzy relation Building the forecasting model for time series based on the improvement of fuzzy relationships [Volume 19, Issue 4, 2022, Pages 89-106]
Fuzzy semi-parametric time series Fuzzy time series model using weighted least square estimation [Volume 19, Issue 2, 2022, Pages 63-81]
Fuzzy sequence On deferred statistical A-convergence of fuzzy sequence and applications [Volume 19, Issue 2, 2022, Pages 119-131]
Fuzzy set Ranking of generalized fuzzy numbers based on accuracy of comparison [Volume 19, Issue 2, 2022, Pages 49-61]
Fuzzy set Approximate reasoning with fuzzy soft set [Volume 19, Issue 4, 2022, Pages 107-124]
Fuzzy sets Possibilistic max-mean dispersion problem [Volume 19, Issue 5, 2022, Pages 1-15]
Fuzzy time series A fuzzy non-parametric time series model based on fuzzy data [Volume 19, Issue 1, 2022, Pages 61-72]

G

Galois connection Fuzzy betweenness spaces on continuous lattices [Volume 19, Issue 3, 2022, Pages 39-52]
Generalized Hukuhara derivative Numerical solution for interval initial value problems based on interactive arithmetic [Volume 19, Issue 6, 2022, Pages 1-12]
Gini's gamma Best-possible bounds on the set of copulas with a given value of Gini's gamma [Volume 19, Issue 5, 2022, Pages 35-45]
GM aggregation operators Distributivity between 2-uninorms and Mayor's aggregation operators [Volume 19, Issue 6, 2022, Pages 13-27]
Goodness-of-fit criteria A fuzzy non-parametric time series model based on fuzzy data [Volume 19, Issue 1, 2022, Pages 61-72]

H

Hausdorff metric Riemann integrability based optimality criteria for fractional optimization problems with fuzzy parameters [Volume 19, Issue 2, 2022, Pages 151-168]
H-differentiability Riemann integrability based optimality criteria for fractional optimization problems with fuzzy parameters [Volume 19, Issue 2, 2022, Pages 151-168]
Hesitant fuzzy number Arithmetic operations and ranking of hesitant fuzzy numbers by extension principle [Volume 19, Issue 1, 2022, Pages 97-114]
Hesitant fuzzy sets A novel hesitant fuzzy linguistic term sets approach and its application on acceptance sampling plans [Volume 19, Issue 6, 2022, Pages 175-192]
Heyting algebra Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Hukuhara difference Riemann integrability based optimality criteria for fractional optimization problems with fuzzy parameters [Volume 19, Issue 2, 2022, Pages 151-168]
Human trafficking Neighborhood connectivity index of a fuzzy graph and its application to human trafficking [Volume 19, Issue 3, 2022, Pages 139-154]

I

Ideal Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]
Integration by parts Fuzzy product rule with applications [Volume 19, Issue 6, 2022, Pages 75-92]
Interval initial value problem Numerical solution for interval initial value problems based on interactive arithmetic [Volume 19, Issue 6, 2022, Pages 1-12]
Intuitionistic fuzzy entropy Symmetric implicational algorithm derived from intuitionistic fuzzy entropy [Volume 19, Issue 4, 2022, Pages 27-44]
Intuitionistic fuzzy numbers Sustainability performance assessment with intuitionistic fuzzy composite metrics and its application to the motor industry [Volume 19, Issue 4, 2022, Pages 57-72]
Intuitionistic fuzzy set Novel distance measure between intuitionistic fuzzy sets and its application in pattern recognition [Volume 19, Issue 3, 2022, Pages 127-137]
Intuitionistic fuzzy sets Improved q-rung orthopair and T-spherical fuzzy sets [Volume 19, Issue 3, 2022, Pages 155-170]
Investment risk Fuzzy-logic model for feasibility study of project implementation: Project’s investment risk [Volume 19, Issue 2, 2022, Pages 1-15]

K

Kernel function A fuzzy non-parametric time series model based on fuzzy data [Volume 19, Issue 1, 2022, Pages 61-72]
Knotted axioms Semilinear logics with knotted axioms [Volume 19, Issue 2, 2022, Pages 17-30]
Kumaraswamy distribution A novel Kumaraswamy interval type-2 TSK fuzzy logic system for subway passenger demand prediction [Volume 19, Issue 3, 2022, Pages 69-87]

L

Lagrange multipliers Riemann integrability based optimality criteria for fractional optimization problems with fuzzy parameters [Volume 19, Issue 2, 2022, Pages 151-168]
Levenberg-Marquardt An approach for damage detection of space structures using combination of second order gradient and fuzzy logic methods [Volume 19, Issue 4, 2022, Pages 177-195]
L-graph Maximal product of two L-graph automata and some applications [Volume 19, Issue 3, 2022, Pages 107-126]
LM fuzzy derived topological enclosed relation space (L,M)-fuzzy topological derived internal relations and (L,M)-fuzzy topological derived enclosed relations [Volume 19, Issue 3, 2022, Pages 89-106]
LM fuzzy topological derived closure space (L,M)-fuzzy topological derived internal relations and (L,M)-fuzzy topological derived enclosed relations [Volume 19, Issue 3, 2022, Pages 89-106]
LM fuzzy topological derived interior space (L,M)-fuzzy topological derived internal relations and (L,M)-fuzzy topological derived enclosed relations [Volume 19, Issue 3, 2022, Pages 89-106]
LM fuzzy topological derived internal relation space (L,M)-fuzzy topological derived internal relations and (L,M)-fuzzy topological derived enclosed relations [Volume 19, Issue 3, 2022, Pages 89-106]
L-R fuzzy numbers L-R representation of TA fuzzy arithmetic and its application to solving fuzzy equations [Volume 19, Issue 5, 2022, Pages 63-78]

M

MABAC method An extended MABAC method based on prospect theory for multiple attribute group decision making under probabilistic uncertain linguistic environment [Volume 19, Issue 5, 2022, Pages 79-94]
Maclaurin symmetric mean operator Algorithm for multiple attribute decision-making using T-spherical fuzzy Maclaurin symmetric mean operator [Volume 19, Issue 6, 2022, Pages 111-124]
Magnitude Sustainability performance assessment with intuitionistic fuzzy composite metrics and its application to the motor industry [Volume 19, Issue 4, 2022, Pages 57-72]
Mathematical fuzzy logic Monadic algebras of an involutive monoidal t-norm based logic [Volume 19, Issue 3, 2022, Pages 187-202]
Mathematical social choice Fuzzy Arrovian theorems when preferences are strongly-connected [Volume 19, Issue 4, 2022, Pages 45-56]
Max-product composition A quadratic optimization problem with bipolar fuzzy relation equation constraints [Volume 19, Issue 6, 2022, Pages 125-140]
Mayor's aggregation operators The modularity equation for Mayor's aggregation operators and uninorms [Volume 19, Issue 4, 2022, Pages 137-145]
MCE-representation Fuzzy product rule with applications [Volume 19, Issue 6, 2022, Pages 75-92]
Measurement Error Copula-based Berkson measurement error models [Volume 19, Issue 4, 2022, Pages 165-175]
Modularity equation The modularity equation for Mayor's aggregation operators and uninorms [Volume 19, Issue 4, 2022, Pages 137-145]
Monte Carlo Monte Carlo statistical test for fuzzy quality [Volume 19, Issue 1, 2022, Pages 115-124]
Monte Carlo simulation Statistical testing quality and its Monte Carlo simulation based on fuzzy specification limits [Volume 19, Issue 3, 2022, Pages 1-17]
Multi-attribute group decision making (MAGDM) An extended MABAC method based on prospect theory for multiple attribute group decision making under probabilistic uncertain linguistic environment [Volume 19, Issue 5, 2022, Pages 79-94]
MV-algebra Connections between commutative rings and some algebras of logic [Volume 19, Issue 6, 2022, Pages 93-110]

O

Ontology A new concept of a fuzzy ontology controller for a temperature regulation [Volume 19, Issue 4, 2022, Pages 125-136]
Order Ordinal fuzzy entropy [Volume 19, Issue 3, 2022, Pages 171-186]
Ordinal sum Ordinal sum constructions for aggregation functions on the real unit interval [Volume 19, Issue 1, 2022, Pages 83-96]
Ordinal sum Commutative, associative and non-decreasing functions continuous around diagonal [Volume 19, Issue 2, 2022, Pages 31-48]
Outliers Fuzzy time series model using weighted least square estimation [Volume 19, Issue 2, 2022, Pages 63-81]

P

Pexiderized Cauchy-Jensen equation Stability problem for Pexiderized Cauchy-Jensen type functional equations of fuzzy number-valued mappings [Volume 19, Issue 1, 2022, Pages 141-151]
Picture fuzzy linear programming problem A new method to solve linear programming problems in the environment of picture fuzzy sets [Volume 19, Issue 6, 2022, Pages 29-49]
Picture m-polar fuzzy soft sets Picture m-polar fuzzy soft sets and their application in decision-making problems [Volume 19, Issue 6, 2022, Pages 161-173]
Possibility theory Possibilistic max-mean dispersion problem [Volume 19, Issue 5, 2022, Pages 1-15]
Process capability analysis Design and analysis of process capability indices cpm and cpmk by neutrosophic sets [Volume 19, Issue 1, 2022, Pages 13-30]
Process capability indices Statistical testing quality and its Monte Carlo simulation based on fuzzy specification limits [Volume 19, Issue 3, 2022, Pages 1-17]
Pseudo L-algebra Pseudo L-algebras [Volume 19, Issue 6, 2022, Pages 61-73]
Pseudo MV-algebra States on weak pseudo EMV-algebras. I. States and states morphisms} [Volume 19, Issue 4, 2022, Pages 1-15]
Pseudo MV-algebra States on weak pseudo EMV-algebras. II. Representations of states [Volume 19, Issue 4, 2022, Pages 17-26]
Public Transportation A novel Kumaraswamy interval type-2 TSK fuzzy logic system for subway passenger demand prediction [Volume 19, Issue 3, 2022, Pages 69-87]
Pythagorean fuzzy sets Improved q-rung orthopair and T-spherical fuzzy sets [Volume 19, Issue 3, 2022, Pages 155-170]

Q

Quadratic programming A quadratic optimization problem with bipolar fuzzy relation equation constraints [Volume 19, Issue 6, 2022, Pages 125-140]

R

Ranking function A new method to solve linear programming problems in the environment of picture fuzzy sets [Volume 19, Issue 6, 2022, Pages 29-49]
Ranking fuzzy numbers Ranking of generalized fuzzy numbers based on accuracy of comparison [Volume 19, Issue 2, 2022, Pages 49-61]
RDM fuzzy arithmetic Are multidimensional RDM interval arithmetic and constrained interval arithmetic one and the same? [Volume 19, Issue 5, 2022, Pages 17-34]
RDM interval arithmetic Are multidimensional RDM interval arithmetic and constrained interval arithmetic one and the same? [Volume 19, Issue 5, 2022, Pages 17-34]
Riemann integration Riemann integrability based optimality criteria for fractional optimization problems with fuzzy parameters [Volume 19, Issue 2, 2022, Pages 151-168]
R-implications On some categories of triangular norms on the real unit interval [Volume 19, Issue 5, 2022, Pages 183-198]

S

SDEFDS An identification model for a fuzzy time based stationary discrete process [Volume 19, Issue 1, 2022, Pages 171-188]
Similarity measure A parametric similarity measure for extended picture fuzzy sets and its application in pattern recognition [Volume 19, Issue 6, 2022, Pages 141-160]
Sliding Mode Supervisory adaptive interval type-2 fuzzy sliding mode control for planar cable-driven parallel robots using Grasshopper optimization [Volume 19, Issue 5, 2022, Pages 111-129]
Soft set Two novel approaches that reduce the effectiveness of the decision maker in decision making under uncertainty environments [Volume 19, Issue 2, 2022, Pages 105-117]
Soft set Approximate reasoning with fuzzy soft set [Volume 19, Issue 4, 2022, Pages 107-124]
SPARQL A new concept of a fuzzy ontology controller for a temperature regulation [Volume 19, Issue 4, 2022, Pages 125-136]
Spherical Fuzzy Sets Spherical fuzzy soft sets: Theory and aggregation operator with its applications [Volume 19, Issue 2, 2022, Pages 83-97]
Spherical Fuzzy Sets Improved q-rung orthopair and T-spherical fuzzy sets [Volume 19, Issue 3, 2022, Pages 155-170]
Statistical convergence On deferred statistical A-convergence of fuzzy sequence and applications [Volume 19, Issue 2, 2022, Pages 119-131]
Sugeno's type extremal fuzzy measures and integrals An identification model for a fuzzy time based stationary discrete process [Volume 19, Issue 1, 2022, Pages 171-188]
S-uninorms Distributivity laws for quasi-linear means [Volume 19, Issue 1, 2022, Pages 1-11]

T

Testing hypotheses Monte Carlo statistical test for fuzzy quality [Volume 19, Issue 1, 2022, Pages 115-124]
Testing hypotheses Statistical testing quality and its Monte Carlo simulation based on fuzzy specification limits [Volume 19, Issue 3, 2022, Pages 1-17]
The proper core Extended results of ``Cores of fuzzy games and their convexity" [Volume 19, Issue 2, 2022, Pages 99-103]
Time series Building the forecasting model for time series based on the improvement of fuzzy relationships [Volume 19, Issue 4, 2022, Pages 89-106]
T-power based implications On the distributivity of T-power based implications [Volume 19, Issue 2, 2022, Pages 169-186]
Transmission average (TA) L-R representation of TA fuzzy arithmetic and its application to solving fuzzy equations [Volume 19, Issue 5, 2022, Pages 63-78]
T-spherical fuzzy set Algorithm for multiple attribute decision-making using T-spherical fuzzy Maclaurin symmetric mean operator [Volume 19, Issue 6, 2022, Pages 111-124]
T-spherical fuzzy sets Improved q-rung orthopair and T-spherical fuzzy sets [Volume 19, Issue 3, 2022, Pages 155-170]
T-uninorms Distributivity laws for quasi-linear means [Volume 19, Issue 1, 2022, Pages 1-11]
Type 2 fuzzy Type 2 adaptive fuzzy control approach applied to variable speed DFIG based wind turbines with MPPT algorithm [Volume 19, Issue 1, 2022, Pages 31-45]

U

Uncertainty Possibilistic max-mean dispersion problem [Volume 19, Issue 5, 2022, Pages 1-15]

W

Weak convergence States on weak pseudo EMV-algebras. I. States and states morphisms} [Volume 19, Issue 4, 2022, Pages 1-15]
Weak convergence States on weak pseudo EMV-algebras. II. Representations of states [Volume 19, Issue 4, 2022, Pages 17-26]
Wind turbine Type 2 adaptive fuzzy control approach applied to variable speed DFIG based wind turbines with MPPT algorithm [Volume 19, Issue 1, 2022, Pages 31-45]

Keyword Index

A

B

C

D

E

F

G

H

I

K

L

M

O

P

Q

R

S

T

U

W