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Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference最新文献

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Fuzzy functional dependencies-an overview and a critical discussion 模糊函数依赖关系综述与批判性讨论
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343753
P. Bosc, D. Dubois, H. Prade
{"title":"Fuzzy functional dependencies-an overview and a critical discussion","authors":"P. Bosc, D. Dubois, H. Prade","doi":"10.1109/FUZZY.1994.343753","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343753","url":null,"abstract":"In the context of regular relational databases, functional dependencies have received a lot of attention, since they capture some semantics about the data related to redundancy. Functional dependencies lead to an appropriate design of a database in terms of a set of relations and can make the checking process significantly easier. For about ten years, several proposals to deal with ill-known or weighted data in database management systems have been made and extensions of the relational data model have been proposed accordingly. In this context, the concept of fuzzy functional dependency has emerged, and several definitions have been given. In this paper, a critical overview of different proposals is provided, and the intended semantics and use of fuzzy functional dependencies are particularly discussed.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129572605","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: 49
Implementation of a fuzzy logic controller for wind energy induction generator DC link scheme 实现了一种风能感应发电机直流链路模糊控制器方案
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343868
H. Mashaly, A. Sharaf, A. A. El-Sattar, M. Mansour
{"title":"Implementation of a fuzzy logic controller for wind energy induction generator DC link scheme","authors":"H. Mashaly, A. Sharaf, A. A. El-Sattar, M. Mansour","doi":"10.1109/FUZZY.1994.343868","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343868","url":null,"abstract":"The paper presents the implementation and laboratory testing of a novel fuzzy logic controller (FLC) for an induction generator-electric utility DC link interface scheme. The purpose of the FLC controller is to maximize the wind power utilization to the electric utility grid. The dynamic performance of the proposed controller is demonstrated experimentally using a digital computer as the fuzzy logic controller and a prototype laboratory wind energy DC link current source interface scheme.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"90 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129819113","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
Definition and tuning of unit-based fuzzy systems in FINEST 基于单元的模糊系统的定义与整定
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343746
S. Tano, T. Oyama, Thierry Amould, A. Bastian, Motohide
{"title":"Definition and tuning of unit-based fuzzy systems in FINEST","authors":"S. Tano, T. Oyama, Thierry Amould, A. Bastian, Motohide","doi":"10.1109/FUZZY.1994.343746","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343746","url":null,"abstract":"At the Laboratory for International Fuzzy Engineering Research (LIFE), the authors are developing FINEST (Fuzzy Inference Environment Software with Tuning), a software environment for fuzzy inference with a mechanism to tune the inference method as well as fuzzy predicates. In this paper, the authors give an outline of the software, and describe its characteristics relative to fuzzy inference and tuning. Then, the authors describe two very important features of FINEST, the definition and tuning of unit-based fuzzy systems, followed by some examples.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130174822","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: 10
Neuro-fuzzy control using self-organizing neural nets 基于自组织神经网络的神经模糊控制
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343715
Farrukh Zia, C. Isik
{"title":"Neuro-fuzzy control using self-organizing neural nets","authors":"Farrukh Zia, C. Isik","doi":"10.1109/FUZZY.1994.343715","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343715","url":null,"abstract":"This paper discusses a new approach to design a fuzzy logic control system, based on the self-organizing map (SOM) neural network. SOM is used to generate multivariate fuzzy state space from system's input-output data through unsupervised training. The trained SOM is then used as a part of an inference mechanism for a fuzzy logic controller. The proposed method is compared with other fuzzy neural network approaches. Sample data from a chemical plant is used to demonstrate the technique.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129084101","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: 10
Fuzzy rule based analysis of industrial systems behavior 基于模糊规则的工业系统行为分析
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343906
G. Vachkov, K. Hirota
{"title":"Fuzzy rule based analysis of industrial systems behavior","authors":"G. Vachkov, K. Hirota","doi":"10.1109/FUZZY.1994.343906","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343906","url":null,"abstract":"A relatively simple method of solving the inverse problem by using fuzzy rule based model of a multi-input and multi-output (MIMO) system is presented. It utilizes the concept of grid-type fuzzy model by use of a complete set of rules and numerical outputs (consequents). Then with a given system outputs, a set of so called dominant rules is extracted as possible solutions. They can be used further in analyzing the possible actions of the system inputs. Two examples show the applicability of the method proposed.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132387915","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
Symbolic analysis and synthesis of linguistic parametrizations in fuzzy controllers 模糊控制器中语言参数化的符号分析与综合
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343724
B. Pfeiffer, R. Isermann
{"title":"Symbolic analysis and synthesis of linguistic parametrizations in fuzzy controllers","authors":"B. Pfeiffer, R. Isermann","doi":"10.1109/FUZZY.1994.343724","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343724","url":null,"abstract":"Analytical formulas for the transfer characteristic of several SISO fuzzy controllers are developed using a computer algebra system. Different formulations of the linguistic output variables and different inference methods can be compared with respect to their impact on control characteristics. The offline-defuzzyfication strategy resulting in singletons as output attributes already frequently used in practice is theoretically supported. The example of a fuzzy PI controller with two input variables show the application of the proposed method to the systematic design of fuzzy controllers.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130469271","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
Pattern recognition of the polygraph using fuzzy classification 基于模糊分类的测谎仪模式识别
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343582
S. Layeghi, M. Dastmalchi, E. Jacobs, R. Knapp
{"title":"Pattern recognition of the polygraph using fuzzy classification","authors":"S. Layeghi, M. Dastmalchi, E. Jacobs, R. Knapp","doi":"10.1109/FUZZY.1994.343582","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343582","url":null,"abstract":"Polygraph tests are a widely used method to distinguish between truth and deception. Polygraph charts are usually analyzed by human interpreters. However, computer algorithms are now being developed to score the tests or verify the results. These methods are based on statistical classification techniques. In this study a number of time, frequency and correlation domain features were selected and used. The fuzzy K-nearest neighbor algorithm was used to classify the polygraph charts; a correct classification of ninety-one percent was obtained for a set of one hundred case files supplied by the NSA.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126649347","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
Learning OWA operator weights from data 从数据中学习OWA操作符权重
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343740
Dimitar Filev, R. Yager
{"title":"Learning OWA operator weights from data","authors":"Dimitar Filev, R. Yager","doi":"10.1109/FUZZY.1994.343740","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343740","url":null,"abstract":"We investigate the issue of obtaining the weights associated with the ordered weighted operator (OWA) aggregation in the situation when we have observed data on the arguments and the aggregated value. This provides a procedure to learn the decision maker's level of confidence from previous decisions. We next introduce a family of OWA operators called exponential OWA operators.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121446821","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: 87
A hierarchical hybrid fuzzy controller for real-time reverse driving support of vehicles with long trailers 长挂车实时倒车支持的层次混合模糊控制器
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343907
S. Halgamuge, T. Runkler, M. Glesner
{"title":"A hierarchical hybrid fuzzy controller for real-time reverse driving support of vehicles with long trailers","authors":"S. Halgamuge, T. Runkler, M. Glesner","doi":"10.1109/FUZZY.1994.343907","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343907","url":null,"abstract":"A hierarchical hybrid fuzzy controller, consisting of higher level and lower level knowledge bases, that can be fuzzy or crisp, is employed for supporting continuous reverse driving of vehicles with long trailers. The controller is implemented in a prototype board with a commercially available microcontroller. The usefulness of this novel application could be successfully demonstrated by several experiments performed with a model truck and a long trailer.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121559840","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: 18
A fuzzy-control procedure for predicting fatigue crack initiation in asphaltic concrete pavements 沥青混凝土路面疲劳裂纹萌生的模糊控制预测方法
Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference Pub Date : 1994-06-26 DOI: 10.1109/FUZZY.1994.343882
W. Yandell, T. D. Pham
{"title":"A fuzzy-control procedure for predicting fatigue crack initiation in asphaltic concrete pavements","authors":"W. Yandell, T. D. Pham","doi":"10.1109/FUZZY.1994.343882","DOIUrl":"https://doi.org/10.1109/FUZZY.1994.343882","url":null,"abstract":"In this paper a fuzzy-logic control procedure is proposed to estimate the number of standard axle passes required to cause asphaltic concrete cracking lying between the two boundary solutions which are provided by an elastic structural model and an elasto-plastic structural model for pavement design.<<ETX>>","PeriodicalId":153967,"journal":{"name":"Proceedings of 1994 IEEE 3rd International Fuzzy Systems Conference","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121076213","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
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