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Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society最新文献

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Fuzzy-based analysis of structures 基于模糊的结构分析
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527721
Ru-Jen Chao, B. Ayyub
{"title":"Fuzzy-based analysis of structures","authors":"Ru-Jen Chao, B. Ayyub","doi":"10.1109/ISUMA.1995.527721","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527721","url":null,"abstract":"The analysis of existing structures requires engineers to model two types of uncertainty, cognitive and non-cognitive types. The objective of this paper is to reexamine structural analysis methods by considering the cognitive type of uncertainty. Two approaches based an the displacement method for structural analysis are proposed: (1) fuzzy arithmetic approach, and (2) permutations approach. The first approach only obtains approximate solutions. The second approach produces the exact solution but requires move computing time. The behavior of fundamental structural systems was investigated and the results based on the second approach showed that if the modulus of elasticity is a triangular fuzzy number, the member forces can be either fuzzy numbers or crisp values depending on the structural system type. Modified fuzzy division and subtraction were also proposed for solving simultaneous equations with fuzzy coefficients using fuzzy arithmetic.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133939688","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
Uncertainty of bankfull discharge estimations 河岸排放估计的不确定性
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527718
T. M. Heil, P. Johnson
{"title":"Uncertainty of bankfull discharge estimations","authors":"T. M. Heil, P. Johnson","doi":"10.1109/ISUMA.1995.527718","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527718","url":null,"abstract":"Public regulatory agencies have expressed concern over the general condition of streams and stream channels within rural and non-rural watersheds. Their concerns have centered around providing improvements to the physical condition, water quality effectiveness and terrestrial and aquatic habitat values of degraded stream channels. Accordingly, the engineering community is faced with the task of providing remedial repair design recommendations to facilitate these improvements; however, concise and universally accepted methods for providing these design recommendations currently do not exist. The relative uncertainty in determining the bankfull discharge for gaged and ungaged watersheds is quantified. Based on the results, the use of hydraulic geometry relationships used by engineers to predict the desired stream channel restoration design parameters is assessed.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115173201","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: 3
From supply and demand to oligopoly via fuzzy sets 从供求关系到寡头垄断的模糊集理论
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527700
Y. Mansur
{"title":"From supply and demand to oligopoly via fuzzy sets","authors":"Y. Mansur","doi":"10.1109/ISUMA.1995.527700","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527700","url":null,"abstract":"This paper links two theoretical models, the oligopoly market form and the supply/demand paradigm, via fuzzy sets to provide an empirically consistent model of fuzzy decision-making. Most significantly, both models are shown to merge in the short-run when decision-making and intrinsic uncertainties are described by fuzzy sets. Our results and method highlight the importance of introducing fuzzy logic into economic analysis.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122058430","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
Signal representation using fuzzy morphology 模糊形态学的信号表示
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527764
Chin-Pan Huang, L. F. Chaparro
{"title":"Signal representation using fuzzy morphology","authors":"Chin-Pan Huang, L. F. Chaparro","doi":"10.1109/ISUMA.1995.527764","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527764","url":null,"abstract":"In this paper we propose a signal representation based on fuzzy morphology and adaptive structuring functions which is analogous to polynomial transforms. For completeness, we use a set of normalized and ordered structuring functions derived from orthogonal polynomials defined on a window. After windowing the given signal, the geometric decomposition of a windowed signal is achieved by applying fuzzy morphological opening sequentially using each of the structuring functions to fit the signal. The resulting representation is made to resemble an orthogonal expansion by constraining the result of opening to equal the adapted structuring function. Properties of the geometric decomposition permit us to develop an iterative procedure to calculate the adaptation parameters. The analysis and synthesis procedures are illustrated for images.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125154682","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
Uncertainties associated with restoring natural alignment to previously straightened streams 与恢复自然排列有关的不确定性到先前的直流
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527697
K. Agazi, P. Johnson, T. M. Heil
{"title":"Uncertainties associated with restoring natural alignment to previously straightened streams","authors":"K. Agazi, P. Johnson, T. M. Heil","doi":"10.1109/ISUMA.1995.527697","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527697","url":null,"abstract":"Three models are currently used by the Maryland State Highway Administration for designing meanders on stream restoration projects. The first model is based on the relationship of bankfull channel width and meander wave length, the second is based on the relationship between bankfull channel width and the meander belt width and the third is based on the relationship between bankfull channel width and meander radius of curvature. In this study, watershed and meander characteristics from 24 Maryland streams were collected using both state topographic maps and field investigations. These data were then used to verify, the accuracy and quantify the uncertainties inherent in each of the three models. The determination of regression and physical parameter as well as model uncertainty will aid in a more reliable restoration of natural meander plan form to previously straightened streams.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130024134","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
Fuzzy interactive multiobjective optimization on borrowing/lending problems 借贷问题的模糊交互多目标优化
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527748
V. Cross, M. de Cabello
{"title":"Fuzzy interactive multiobjective optimization on borrowing/lending problems","authors":"V. Cross, M. de Cabello","doi":"10.1109/ISUMA.1995.527748","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527748","url":null,"abstract":"The paper presents an application of fuzzy set theory applied to optimization problems, where there exist multiple goals. We present the fuzzy multiobjective linear programming with fuzzy parameter model for borrowing/lending problem, and the steps followed to convert it to an ordinary nonlinear programming problem, which finally is solved. An example along with its result is presented to illustrate the application of the model.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121290710","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
Elimination of semantic ambiguity in fuzzy relational models 模糊关系模型中语义歧义的消除
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527770
M. Nakata
{"title":"Elimination of semantic ambiguity in fuzzy relational models","authors":"M. Nakata","doi":"10.1109/ISUMA.1995.527770","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527770","url":null,"abstract":"A generalized possibility-distribution-fuzzy-relational-model is proposed considering semantic ambiguity for values of membership attribute and ambiguity contained in values of membership attribute. Then the extended relational algebra is shown. In order to eliminate the semantic ambiguity, the concept of membership is introduced into each attribute. This clarifies the origin of membership attribute values. What the value of membership means depends on the property of attributes. In order to eliminate ambiguity contained in values of membership attribute those values are expressed by fuzzy values. This clarifies what relationships fuzzy data values have with their membership attribute values. Therefore there is no semantic ambiguity for the values of membership attributes and no ambiguity in the values of membership attributes in our extended relational model.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116696913","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: 3
Robust phase reversal tone detection using soft computing 基于软计算的鲁棒相位反转音调检测
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527761
F. Beritelli, S. Casale, M. Russo
{"title":"Robust phase reversal tone detection using soft computing","authors":"F. Beritelli, S. Casale, M. Russo","doi":"10.1109/ISUMA.1995.527761","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527761","url":null,"abstract":"The paper presents a simple robust algorithm for the recognition of a 2100 Hz tone with periodic phase reversal and the disabling of an echo canceller based on soft computing. The authors have used a novel tool that is able to extract fuzzy knowledge using a hybrid technique based on genetic algorithms and neural networks. The approach proposed, compared with signal detection solutions existing in literature, is certainly more efficient in terms of robustness to channel noise and can therefore be usefully applied in all cases in which signals are to be detected with very low SNRs.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131046399","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: 14
Reliability assessment of systems operating in variable conditions 系统在可变条件下运行的可靠性评估
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527660
Huamin Liu, V. Makis, A. Jardine
{"title":"Reliability assessment of systems operating in variable conditions","authors":"Huamin Liu, V. Makis, A. Jardine","doi":"10.1109/ISUMA.1995.527660","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527660","url":null,"abstract":"The performance and reliability of a system are strongly influenced by its operating conditions. However, existing reliability models are unable to calculate the reliability of a system operating in variable conditions. The paper presents a new approach to this problem and discusses two typical cases: one item operating sequentially under different conditions, where the transition points are deterministic; a system consisting of two parallel subsystems sharing a load, where the failure rate of each subsystem is dependent on the load it shares. We show that if the underlying failure time distribution of the item (or subsystem) can be represented by the accelerated failure time model (AFTM), the system reliability at any time can be obtained easily by using the formulas derived in the paper.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134079537","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
Incentive games for neuro-fuzzy control 神经模糊控制的激励游戏
Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society Pub Date : 1995-03-17 DOI: 10.1109/ISUMA.1995.527714
A.M. Cakmakci, C. Isik
{"title":"Incentive games for neuro-fuzzy control","authors":"A.M. Cakmakci, C. Isik","doi":"10.1109/ISUMA.1995.527714","DOIUrl":"https://doi.org/10.1109/ISUMA.1995.527714","url":null,"abstract":"Introduces a two-level modular neuro-fuzzy network based on incentive games where the modules are organized as autonomous local optimizers in a leader-follower game hierarchy. Incentive-reaction pairs are used as a measure for the capacity and responsiveness assessment of each follower module. Learning within the follower modules is performed in a traditional error-based manner (e.g. backpropagation). The allocation of targets and incentives to each follower module, on the other hand, is independent of connection weights; incentive games are used for that purpose. Two important advantages of the new architecture are its physically significant follower module outputs and the context-based enhancement it makes to backpropagation.","PeriodicalId":298915,"journal":{"name":"Proceedings of 3rd International Symposium on Uncertainty Modeling and Analysis and Annual Conference of the North American Fuzzy Information Processing Society","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134347009","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
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