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CONTROLLABILITY OF THE NONLINEAR NEUTRAL FUZZY INTEGRO-DIFFERENTIAL EQUATION ON E^(n)_(N)
Kwun, Young-Chel,Son, Ki-Do 동아대학교 부설 기초과학연구소 2004 基礎科學硏究論文集 Vol.21 No.1
In this paper we study the controllability for the nonlinear neutral fuzzy integro-differential equations on E^(n)_(N) by using the concept of fuzzy number of dimension whose values are normal, convex, upper semicontinuous and compactly supported surface in R^(n). E^(n)_(N) be the set of all fuzzy numbers in R^(n) with edges having bases parallel to axis X_(1), X(2),‥,X_(n).
Young Chel Kwun,Jeong Soon Kim,Jinsoo Hwang,Jin Han Park 한국지능시스템학회 2011 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.11 No.1
In this paper, we study the existence and uniqueness of solutions for the impulsive semilinear fuzzy integrodifferential equations with nonlocal conditions and forcing term with memory in n-dimensional fuzzy vector space (E<SUP>n</SUP>N, dε) by using Banach fixed point theorem. That is an extension of the result of Kwun et al. [9] to impulsive system.
EXISTENCE OF EXTREMAL SOLUTIONS FOR FUZZY DIFFERENTIAL EQUATIONS DRIVEN BY LIU PROCESS
KWUN, YOUNG CHEL,KIM, JEONG SOON,PARK, YOUNG IL,PARK, JIN HAN The Korean Society for Computational and Applied M 2021 Journal of applied mathematics & informatics Vol.39 No.3
In this paper, we study existence of extremal solutions for fuzzy differential equations driven by Liu process. To show extremal solutions, we define partial ordering relative to fuzzy process. This is an extension of the results of Kwun et al. [5] and Rodríguez-López [13] to fuzzy differential equations in credibility space.
Existence of Periodic Solutions for Fuzzy Differential Equations
Young Chel Kwun,Jeong Soon Kim,Jinsoo Hwang,Jin Han Park 한국지능시스템학회 2010 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.10 No.3
In this paper, we investigate the existence and calculation of the expression of periodic solutions for fuzzy differential equations with three types of forcing terms, by using Hukuhara derivative. In particular, Theorems 3.2, 4.2 and 5.2 are the results of existences of periodic solutions for fuzzy differential equations Ⅰ, Ⅱ,and Ⅲ, respectively. These results will help us to study phenomena with periodic peculiarity such as wave or sound.
Young Chel Kwun(권영철),Young Chel Ahn(안영철),Dong Gun Park(박동근),Seon Yu Kim(김선유) 한국지능시스템학회 2007 한국지능시스템학회 학술발표 논문집 Vol.17 No.1
In this paper. we study the controllability for the semilinear fuzzy integrodifferential equations with nonlocal condition and forcing term with memory in EN by using the concept of fuzzy number whose values are normal, convex, upper semicontinuous and compactly supported interval in EN.
Young Chel Kwun,Young Chel Ahn,Dong Gun Park,Seon Yu Kim 한국지능시스템학회 2006 한국지능시스템학회 학술발표 논문집 Vol.16 No.2
In this paper. we study the controllability for the impulsive semilinear fuzzy integrodifferential equations with nonlocal condition in ENby using the concept of fuzzy number whose values are normal, convex, upper semicontinuous and compactly supported interval in EN.
Controllability for the Semilinear Fuzzy Integrodifferential Equations with Nonlocal Conditions
Young Chel Kwun(권영철),Dong Gun Park(박동근),Gyu Tak Choi(최규탁) 한국지능시스템학회 2006 한국지능시스템학회 학술발표 논문집 Vol.16 No.1
In this paper. we study the controllability for the semilinear fuzzy integrodifferential control system with nonlocal condition in EN by using the concept of fuzzy number whose values are normal, convex, upper semicontinuous and compactly supported interval in EN.
Young Chel Kwun,Dong Gun Park,Bu Young Lee,Gyu Tak Choi 한국지능시스템학회 2006 한국지능시스템학회 학술발표 논문집 Vol.- No.-
This paper we study the exact controllability for the nonlinear fuzzy control system with nonlocal initial condition in EⁿN by using the concept of fuzzy number of dimension n whose values are normal, convex, upper semicontinuous and compactly supported surface in Rⁿ. EⁿN be the set of all fuzzy numbers in Rⁿ with edges having bases parallel to axis X₁, X₂,… ,Xn.
Controllability of the nonlinear Fuzzy Integro-Differential Equations on E<sup>n</sup><sub>N</sub>
Kwun Young-Chel,Park Dong-Gun,Ahn Young-Chul Korean Institute of Intelligent Systems 2005 한국지능시스템학회논문지 Vol.15 No.5
In this paper we study the controllability for the nonlinear fuzzy integro-differential equations on $E_N^n$ by using the concept of fuzzy number of dimension n whose values are normal, convex, upper semicontinuous and compactly supported surface in $R^n$. $E_N^n$ the set of all fuzzy numbers in $R^n$ with edges having bases parallel to axis $X_1,\;X_2, ... , X_n$.
E<sub>N</sub><sup>n</sup>상의 비선형 퍼지 제어시스템에 대한 제어가능성
Kwun, Young-Chel,Park, Jong-Seo,Kang, Jum-Ran,Jeong, Doo-Hwan Korean Institute of Intelligent Systems 2003 한국지능시스템학회논문지 Vol.13 No.4
This paper we study the exact controllability for the nonlinear fuzzy control system in $E_N^n$by using the concept of fuzzy number of dimension n whose values are normal, convex, upper semicontinuous and compactly supported surface in $E_N^n$