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Journal of Fuzzy Set Valued Analysis最新文献

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A New Controlling Approach of Type 1 Diabetics Based on Interval Type-2 Fuzzy Controller 基于区间2型模糊控制器的1型糖尿病控制新方法
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2014/JFSVA-00210
N. Mollaei, R. K. Moghaddam
{"title":"A New Controlling Approach of Type 1 Diabetics Based on Interval Type-2 Fuzzy Controller","authors":"N. Mollaei, R. K. Moghaddam","doi":"10.5899/2014/JFSVA-00210","DOIUrl":"https://doi.org/10.5899/2014/JFSVA-00210","url":null,"abstract":"Augmented Minimal Model which is developed in consideration of the patient is taken into attention and uncertainties in this model which can occur by factors such as blood glucose, daily meals or sudden stress in considered. In addition to eliminate the effects of uncertainty, different control methods may be utilized. In this article, fuzzy control as a logical tool is used to transform words into control actions. To enhance the system performance, an interval type-2 Fuzzy controller has been implemented. To date, because of computational complexity of using a general type-2 fuzzy set (T2 FS) in a T2 fuzzy logic system (FLS), most people only use an interval T2 FS, the result being an interval T2 FLS (IT2 FLS). A daily meal disturbance is injected to model to consider the real environment for simulation. Finally, the control method tuned by standard tuning procedure and simulation results show the efficiency of method in regulating the blood glucose level in presentment of daily meal disturbance.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121622922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Fuzzy Newton-Cotes method For Integration of Fuzzy Functions 模糊函数积分的模糊牛顿-柯特法
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2015/JFSVA-00247
N. Ahmady
{"title":"A Fuzzy Newton-Cotes method For Integration of Fuzzy Functions","authors":"N. Ahmady","doi":"10.5899/2015/JFSVA-00247","DOIUrl":"https://doi.org/10.5899/2015/JFSVA-00247","url":null,"abstract":"In this paper, a numerical method for integration of fuzzy functions is considered. Fuzzy Newton-Cotes formula, such as fuzzy trapezoidal method and fuzzy Simpson method are calculated by integration of fuzzy functions on two and three equally space points. Also the composite fuzzy trapezoidal and composite fuzzy Simpson method are proposed for $n$ equally space points. The proposed method are illustrated by numerical examples.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122198893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Improved predictor-corrector method for solving fuzzy differential equations under generalized differentiability 广义可微模糊微分方程的改进预测校正法
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2012/JFSVA-00121
M. Shahryari, S. Salahshour
{"title":"Improved predictor-corrector method for solving fuzzy differential equations under generalized differentiability","authors":"M. Shahryari, S. Salahshour","doi":"10.5899/2012/JFSVA-00121","DOIUrl":"https://doi.org/10.5899/2012/JFSVA-00121","url":null,"abstract":"In this paper, an improved predictor-corrector methods (IPC) to solve fuzzy differential equation under generalized differentiability are discussed. The methods proposed here are based on generalized characterization theorem. Using the Generalized Characterization we can translate a fuzzy differential equation into two ODE systems. Also, the convergence and stability of the proposed methods are given and their application are illustrated with numerical example.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116146185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Extension of Intuitionistic Fuzzy Sets to New Universal 直觉模糊集到新全称的推广
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2014/JFSVA-00181
G. Çuvalcıoğlu, S. Yılmaz
{"title":"Extension of Intuitionistic Fuzzy Sets to New Universal","authors":"G. Çuvalcıoğlu, S. Yılmaz","doi":"10.5899/2014/JFSVA-00181","DOIUrl":"https://doi.org/10.5899/2014/JFSVA-00181","url":null,"abstract":"Atanassov [1] defined the union, intersection and inclusion of intuitionistic fuzzy sets on the same universal. In [2], Riecan and Atanassov defined new intuitionistic fuzzy sets on different universals and they examined the union, intersection and inclusion of these sets. In this paper we gave counterexamples for the results of union, intersection and inclusion of these sets. For these situations we defined new intuitionistic fuzzy sets. In addition, we studied some properties of new intuitionistic fuzzy sets to be considered in their new universals.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116654777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Comparative Study on performance of Fuzzy clustering algorithms on Liver and Thyroid Data 肝脏和甲状腺数据模糊聚类算法性能比较研究
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2018/JFSVA-00395
B. Venkataramana, L. Padmasree, M. S. Rao, D. Latha, G. Ganesan
{"title":"Comparative Study on performance of Fuzzy clustering algorithms on Liver and Thyroid Data","authors":"B. Venkataramana, L. Padmasree, M. S. Rao, D. Latha, G. Ganesan","doi":"10.5899/2018/JFSVA-00395","DOIUrl":"https://doi.org/10.5899/2018/JFSVA-00395","url":null,"abstract":"Conventional classification methods are difficult to analyze accurate diagnosis without ambiguities due to fast growth in technology. Since the states are vague in medicine comparative crisp ones the fuzzy methods are supportive. As fuzzy tools provide accurate results in various data sets, in this paper, we concentrate on fuzzy based clustering. In this work, a comparative study of these algorithms with Thyroid data set and liver disorder data set from the UCI repository is presented. Repository results were compared with these results. Based on the clustering output criteria the performance of these two algorithms is analyzed in terms of percentage of correctness and classification performance. The objective of this paper is to analyze the performance of two popular clustering algorithms FPCM and PFCM for thyroid data and liver data, and to prove that PFCM gives better performance than FPCM for Thyroid Samples and liver samples in terms of percentage of correctness and Classification performance.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124915617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Graded fuzzy ring and control picture by coloring fuzzy location 分级模糊环，模糊位置着色控制画面
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2016/jfsva-00323
A. Sedighi, M. H. Hosseini
{"title":"Graded fuzzy ring and control picture by coloring fuzzy location","authors":"A. Sedighi, M. H. Hosseini","doi":"10.5899/2016/jfsva-00323","DOIUrl":"https://doi.org/10.5899/2016/jfsva-00323","url":null,"abstract":"In this article, the definition of graded fuzzy ring by group and some of related theorems has been investigated. Among it is the relation between a graded fuzzy ring with crisp graded ring by level sets and gain the set of cosets a graded ring on a fuzzy ideal with a special condition is graded ring. After that be graded fuzzy ring on a group ring and its result on Laurent polynomial is showed. Finally we prove a graded fuzzy ring for a specific group ring that is fuzzy on group elements and then we control a system of image processing by setting of standard colors.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115830470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The fuzzy differential equation containing delta function 含函数的模糊微分方程
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2014/JFSVA-00187
A. Niftiyev, Elnure Rafig Shafizadeh, Bayram Mahemmedeli Gasimov
{"title":"The fuzzy differential equation containing delta function","authors":"A. Niftiyev, Elnure Rafig Shafizadeh, Bayram Mahemmedeli Gasimov","doi":"10.5899/2014/JFSVA-00187","DOIUrl":"https://doi.org/10.5899/2014/JFSVA-00187","url":null,"abstract":"In this work the fuzzy differential equation containing the delta function is considered. This equation is written as an equivalent system of equations using the space of fuzzy numbers. Using this, a definition of the solution is given and its formula is obtained. An example illustrating the obtained results is considered.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122529357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Qualitative Model of the Input Impedance of Rectangular Microstrip Antenna 矩形微带天线输入阻抗的定性模型
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2015/JFSVA-00246
S. R. Ostadzadeh
{"title":"Qualitative Model of the Input Impedance of Rectangular Microstrip Antenna","authors":"S. R. Ostadzadeh","doi":"10.5899/2015/JFSVA-00246","DOIUrl":"https://doi.org/10.5899/2015/JFSVA-00246","url":null,"abstract":"In this paper, a fuzzy-based approach is proposed so as to predict the input impedance of the rectangular microstrip antenna. In the proposed approach, at first, behavior of single microstrip antenna is represented as simple and unchanged membership functions, and the feed probe effect on the input impedance is then extracted as simple curves so that the input impedance of microstrip antenna in despite of other existing models is efficiently predicted.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122649902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Computing the eigenvalues and eigenvectors of a fuzzy matrix 计算模糊矩阵的特征值和特征向量
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2012/JFSVA-00120
S. Salahshour, F. Karimi, A. Kumar, Kermanshah Branch, R. Rodr
{"title":"Computing the eigenvalues and eigenvectors of a fuzzy matrix","authors":"S. Salahshour, F. Karimi, A. Kumar, Kermanshah Branch, R. Rodr","doi":"10.5899/2012/JFSVA-00120","DOIUrl":"https://doi.org/10.5899/2012/JFSVA-00120","url":null,"abstract":"Computation of fuzzy eigenvalues and fuzzy eigenvectors of a fuzzy matrix is a challenging problem. Determining the maximal and minimal symmetric solution can help to find the eigenvalues. So, we try to compute these eigenvalues by determining the maximal and minimal symmetric solution of the fully fuzzy linear system e A e X = e e","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131267853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Solving Fully Fuzzy Linear System of Equations in General Form 求解一般形式的全模糊线性方程组
Journal of Fuzzy Set Valued Analysis Pub Date : 1900-01-01 DOI: 10.5899/2012/JFSVA-00117
R. Ezzati, S. Khezerloo, A. Yousefzadeh
{"title":"Solving Fully Fuzzy Linear System of Equations in General Form","authors":"R. Ezzati, S. Khezerloo, A. Yousefzadeh","doi":"10.5899/2012/JFSVA-00117","DOIUrl":"https://doi.org/10.5899/2012/JFSVA-00117","url":null,"abstract":"In this work, we propose an approach for computing the positive solution of a fully fuzzy linear system where the coefficient matrix is a fuzzy $ntimes n$ matrix. To do this, we use arithmetic operations on fuzzy numbers that introduced by Kaffman in and convert the fully fuzzy linear system into two $ntimes n$ and $2ntimes 2n$ crisp linear systems. If the solutions of these linear systems don't satisfy in positive fuzzy solution condition, we introduce the constrained least squares problem to obtain optimal fuzzy vector solution by applying the ranking function in given fully fuzzy linear system. Using our proposed method, the fully fuzzy linear system of equations always has a solution. Finally, we illustrate the efficiency of proposed method by solving some numerical examples.","PeriodicalId":308518,"journal":{"name":"Journal of Fuzzy Set Valued Analysis","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134017471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
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