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2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)最新文献

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Evaluating the service quality of hospital by using TOPSIS with interval type-2 fuzzy sets 区间2型模糊集TOPSIS法评价医院服务质量
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311786
Chen-Tung Chen, W. Hung
{"title":"Evaluating the service quality of hospital by using TOPSIS with interval type-2 fuzzy sets","authors":"Chen-Tung Chen, W. Hung","doi":"10.1109/IFUZZY.2017.8311786","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311786","url":null,"abstract":"Total work burden of hospital increases because older citizen group who need more medical care is growing up in Taiwan. However, the medical care resource of government budget is limited in recent year. Under this situation, hospital service quality maybe reduces through reduction of average medical care resource for each patient occurs in Taiwan. This study develops a framework to analyze and evaluate service quality performance of hospital in Taiwan by applying TOPSIS method with interval type-2 fuzzy sets. An example for the evaluation of hospital service quality will be presented to illustrate the computational process of the proposed method.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114816641","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: 7
Food texture estimation by fuzzy inference 基于模糊推理的食物质地估计
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311792
S. Kato, N. Wada, Tomomichi Kagawa
{"title":"Food texture estimation by fuzzy inference","authors":"S. Kato, N. Wada, Tomomichi Kagawa","doi":"10.1109/IFUZZY.2017.8311792","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311792","url":null,"abstract":"This paper describes an estimation method of food texture by fuzzy inference. Firstly, an original equipment for diagnosing physical characteristics of a food is illustrated. Secondly, the fuzzy reasoning is explained. Finally the validation of our proposed method is discussed.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116487414","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
Fault-tolerant control and observer design for uncertain fuzzy descriptor systems 不确定模糊广义系统的容错控制与观测器设计
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311783
Xiaohang Li, Dunke Lu, H. Karimi, Yue-ying Wang, Ning Wang
{"title":"Fault-tolerant control and observer design for uncertain fuzzy descriptor systems","authors":"Xiaohang Li, Dunke Lu, H. Karimi, Yue-ying Wang, Ning Wang","doi":"10.1109/IFUZZY.2017.8311783","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311783","url":null,"abstract":"In this paper, the problems of estimations of faults and fault-tolerant control design are simultaneously discussed for a class of uncertain Takagi-Sugeno fuzzy descriptor systems. First, a fuzzy adaptive observer, which can decouple the external disturbances, is proposed to provide the state, actuator fault and sensor fault estimations. Then, on the basis of the estimated information, an actuator fault-tolerant controller is proposed to stabilize the descriptor closed-loop system while attenuating the disturbances by the H technique. The existence conditions of the designed observer and controller are given in terms of linear matrix inequalities, which can be solved easily by some mathematical tools. Finally, a numerical example is provided to validate the effectiveness of the proposed methods.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121708350","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
Dempster-shafer based probabilistic fuzzy logic system for wind speed prediction 基于Dempster-shafer的概率模糊逻辑系统风速预测
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311787
Xian-Bing Meng, Han-Xiong Li
{"title":"Dempster-shafer based probabilistic fuzzy logic system for wind speed prediction","authors":"Xian-Bing Meng, Han-Xiong Li","doi":"10.1109/IFUZZY.2017.8311787","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311787","url":null,"abstract":"This paper proposes an improved probabilistic fuzzy logic system with Dempster-Shafer structure (DS-PFLS) for wind speed prediction. The Dempster-Shafer theory and 3-sigma results are integrated into probabilistic fuzzy logic system (PFLS) to address the complex derivation of the secondary probability density function and to eliminate the computational overload. The secondary probability density function based on the center of primary fuzzy membership in PFLS is proposed. Moreover, an improved Chicken Swarm Optimization (CSO) is developed for optimizing the related parameters of DS-PFLS. Simulations and comparisons based on the wind speed prediction demonstrate the effectivity and efficiency of the proposed method.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130023777","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
Stabilization and model reference tracking control of discrete-time nonlinear systems via modified fuzzy static output feedback design 基于改进模糊静态输出反馈设计的离散非线性系统镇定与模型参考跟踪控制
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311806
Kuo-Jung Lin, Tzuu-Hseng S. Li
{"title":"Stabilization and model reference tracking control of discrete-time nonlinear systems via modified fuzzy static output feedback design","authors":"Kuo-Jung Lin, Tzuu-Hseng S. Li","doi":"10.1109/IFUZZY.2017.8311806","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311806","url":null,"abstract":"Some new results for stabilization design of discrete-time (DT) nonlinear systems with H \" performance are proposed in this paper. DT nonlinear systems can be constructed by using the Takagi-Sugeno (T-S) fuzzy model. First, we propose the modified fuzzy static output feedback (MFSOF) controller. The stabilization problem becomes to stabilize a new discrete-time fuzzy descriptor (DTFD) system. Such that, the proposed MFSOF control will stabilize the DT nonlinear systems. Furthermore, model reference fuzzy tracking control (MRFTC) design for the DTFD systems is investigated. The stability conditions can be certificate by using Lyapunov theorem. A practical system is given to verification the proposed formula.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129506799","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
A population based metaheuristic for traveling salesman type problems 基于总体的旅行推销员型问题元启发式算法
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311797
B. Tüű-Szabó, P. Földesi, L. Kóczy
{"title":"A population based metaheuristic for traveling salesman type problems","authors":"B. Tüű-Szabó, P. Földesi, L. Kóczy","doi":"10.1109/IFUZZY.2017.8311797","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311797","url":null,"abstract":"In this paper we present a metaheuristic method, called DBMEA. It combines the bacterial evolutionary algorithm with local search techniques. Based on our test results it can be used for solving efficiently more discrete optimization problems. The algorithm was tested on Traveling Salesman Problem and Traveling Repairman Problem (TRP) benchmark instances found in the literature. In the case of TSP the DBMEA algorithm produced optimal or near-optimal solutions for all tested instances. Although the most efficient TSP solver method, the Helsgaun's Lin-Kernighan heuristic was faster than DBMEA, but in the case of DBMEA the runtime was more predictable than it the case of other methods. In the case of TRP the results are competitive in terms of accuracy and runtimes with the state-of-the art methods. Except two instances our algorithm found the best-known solutions, and for the biggest tested instance it found new best solution. The runtime was on average 30% faster than the most efficient heuristic in the literature.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"35 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127985007","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
Properties of type-2 fuzzy sets 二类模糊集的性质
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311799
H. Mo, F.-Y. Wang
{"title":"Properties of type-2 fuzzy sets","authors":"H. Mo, F.-Y. Wang","doi":"10.1109/IFUZZY.2017.8311799","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311799","url":null,"abstract":"In the paper, new definition of type-2 fuzzy sets (T2 FSs) are introduced, and then some basic concepts such as unit fuzzy set, embedded unit fuzzy sets, closure of support (CoS), restriction of type-2 fuzzy set at a point, etc. and partition of CoS is given to represent general type-2 fuzzy sets, finally, the connections among the restriction of T2 FSs at a point, primary membership function, CoS, embedded type-2 fuzzy set are discussed.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131658666","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
Optimal fuzzy control of SIR epidemic with state dependent cost function 基于状态依赖代价函数的SIR流行病最优模糊控制
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311791
WU Meng, Shengxi Luo
{"title":"Optimal fuzzy control of SIR epidemic with state dependent cost function","authors":"WU Meng, Shengxi Luo","doi":"10.1109/IFUZZY.2017.8311791","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311791","url":null,"abstract":"During the epidemic spread, a flexible strategy on the variation of the epidemic status would be advisable in view of the limited resources. In this paper an optimal fuzzy controller with a state dependent cost function is proposed. And a specific spread model of the influenza A(H1N1) based on the SIR mathematical model is also built up by using the history data. The fuzzy approach has been tested by the simulation and compared with the mathematical spread model, showing a better efficiency in the proposed approach.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129831821","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
Estimation of clustering algorithms to design code books for practical usage of vector quantization 估计聚类算法设计代码书中实用的矢量量化
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311789
Yukinori Suzuki
{"title":"Estimation of clustering algorithms to design code books for practical usage of vector quantization","authors":"Yukinori Suzuki","doi":"10.1109/IFUZZY.2017.8311789","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311789","url":null,"abstract":"Vector quantization (VQ) is useful technology for communication terminals with both small payloads and limited computational abilities. Clustering algorithms are mainly used to design a code book (CB) for VQ. In most previous studies to estimate performance of clustering algorithms, learning images to design the CB for VQ were the same as the test images to examine their performances. However, it is necessary to encode/decode unseen images for practical usage of VQ. The performance of the clustering algorithms therefore has to be estimated under the condition that learning images are different from test images. This comparative study is indispensable to examine effectiveness of clustering algorithms for practical usage of VQ. We selected mainly used four clustering algorithms and estimated performance of these algorithms to design a CB for practical usage. A set of computational experiments showed that there was marginal difference in the performance of clustering algorithms.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116963451","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
Optimal planning of hybrid energy generation system in the microgrid considering direct load control 考虑直接负荷控制的微电网混合发电系统优化规划
2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY) Pub Date : 2017-11-01 DOI: 10.1109/IFUZZY.2017.8311802
Shan Cheng, Zhen Liu, T. Huang, Xiaoyu Jiang, R. Wai
{"title":"Optimal planning of hybrid energy generation system in the microgrid considering direct load control","authors":"Shan Cheng, Zhen Liu, T. Huang, Xiaoyu Jiang, R. Wai","doi":"10.1109/IFUZZY.2017.8311802","DOIUrl":"https://doi.org/10.1109/IFUZZY.2017.8311802","url":null,"abstract":"Optimal planning of microgrid (MG) is the key for decreasing investment capital and lays foundation for realizing its reliable and economic operation. In general, most of researches ignored the context of energy internet and few of them involved demand side resources and demand side response. This study investigates determining the capacity of a hybrid energy generation system (HEGS) in the MG via an enhanced particle swarm optimization algorithm combined with quorum sensing (QS-PSO). With the incorporation of direct load control (DLC) by considering the demand response, an integrated resource planning model with various physical, technical, and operational constraints for optimally planning the HEGS is established to minimize the total cost of the MG system design. To deal with this complex optimization problem with high-dimension variables, the QS-PSO algorithm whose competitiveness has been verified in our previous work is successively applied. Numerical simulations are given to demonstrate the QS-PSO algorithm for efficiently identifying the optimal solution to the capacity determination of the HEGS, and the proposed methodology with the introduction of DLC is helpful for reducing the peak power as well as effectively decreasing the total planning cost of the MG system.","PeriodicalId":148453,"journal":{"name":"2017 International Conference on Fuzzy Theory and Its Applications (iFUZZY)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122849751","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
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