Simulating Continuous Fuzzy Systems PDF Download
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Author | : James J. Buckley |
Publisher | : Springer |
Total Pages | : 197 |
Release | : 2008-01-25 |
Genre | : Technology & Engineering |
ISBN | : 3540312277 |
Download Simulating Continuous Fuzzy Systems Book in PDF, ePub and Kindle
1. 1 Introduction This book is written in two major parts. The ?rst part includes the int- ductory chapters consisting of Chapters 1 through 6. In part two, Chapters 7-26, we present the applications. This book continues our research into simulating fuzzy systems. We started with investigating simulating discrete event fuzzy systems ([7],[13],[14]). These systems can usually be described as queuing networks. Items (transactions) arrive at various points in the s- tem and go into a queue waiting for service. The service stations, preceded by a queue, are connected forming a network of queues and service, until the transaction ?nally exits the system. Examples considered included - chine shops, emergency rooms, project networks, bus routes, etc. Analysis of all of these systems depends on parameters like arrival rates and service rates. These parameters are usually estimated from historical data. These estimators are generally point estimators. The point estimators are put into the model to compute system descriptors like mean time an item spends in the system, or the expected number of transactions leaving the system per unit time. We argued that these point estimators contain uncertainty not shown in the calculations. Our estimators of these parameters become fuzzy numbers, constructed by placing a set of con?dence intervals one on top of another. Using fuzzy number parameters in the model makes it into a fuzzy system. The system descriptors we want (time in system, number leaving per unit time) will be fuzzy numbers.
Author | : James J. Buckley |
Publisher | : Springer Science & Business Media |
Total Pages | : 236 |
Release | : 2005-02-01 |
Genre | : Computers |
ISBN | : 9783540241164 |
Download Simulating Fuzzy Systems Book in PDF, ePub and Kindle
Simulating Fuzzy Systems demonstrates how many systems naturally become fuzzy systems and shows how regular (crisp) simulation can be used to estimate the alpha-cuts of the fuzzy numbers used to analyze the behavior of the fuzzy system. This monograph presents a concise introduction to fuzzy sets, fuzzy logic, fuzzy estimation, fuzzy probabilities, fuzzy systems theory, and fuzzy computation. It also presents a wide selection of simulation applications ranging from emergency rooms to machine shops to project scheduling, showing the varieties of fuzzy systems.
Author | : Leonard J. Jowers |
Publisher | : |
Total Pages | : 464 |
Release | : 2007 |
Genre | : Fuzzy systems |
ISBN | : |
Download Fuzzy Systems Simulation Book in PDF, ePub and Kindle
Simulations of modeled systems are effective tools for evaluating system attributes; fuzzy logic provides for simulation of systems with inherent uncertainties. This re- search to advance simulation of fuzzy systems involves several studies in a planned sequence. Continuous fuzzy system modeling activities constitute a first stage of research action, a natural flow from earlier work on modeling discrete fuzzy systems; the notion of using crisp simulation to carry out fuzzy computations is at the heart of the work. This activity requires choosing tools and problems with which to demonstrate feasibility and broad applicability of the approach. Some fundamental issues underlying the work provoke new departures for the second stage consisting of two substages. The first substage involves a new fuzzy number (FN) concept, that of a Bézier generated FN (BGFN). These numbers were conceived at a very basic level to illustrate that the approach we take is not rooted in or confined to simple tri- angular FNs (TFN) that are often used in modeling. Their potential lies in both previous discrete simulation and in continuous simulation. The second substage of continuous modeling pursues these numbers in relation to random FNs. The second stage includes these pursuits in parallel with investigations of sequences of random numbers (as they are required for fuzzy modeling). Sequences must be able to pass rigorous statistical inspection, for which we offer some new ideas, at least in the fuzzy domain. A final phase of work, a third stage, from software cost estimation's (SCE) COnstructive COst MOdel (COCOMO), concerns f-COCOMO (fuzzy COCOMO). Our f-COCOMO studies may be viewed as software engineering (SE) reflections on the entire modeling effort, but a broader tact is taken; that is, inherited from CO-COMO's broad perspective. Advances in fuzzy treatments of COCOMO open a new fuzzy modeling frontier relating to cost systems analysis. In our overview of the entire effort, we note the progression from discrete to continuous models, and address some theoretical and mathematical foundations as they arise. We also note that this progression that culminates in fundamental SE contributions, parallels for fuzzy systems, a similar workflow found in crisp systems.
Author | : Management Association, Information Resources |
Publisher | : IGI Global |
Total Pages | : 1795 |
Release | : 2017-02-22 |
Genre | : Mathematics |
ISBN | : 1522519092 |
Download Fuzzy Systems: Concepts, Methodologies, Tools, and Applications Book in PDF, ePub and Kindle
There are a myriad of mathematical problems that cannot be solved using traditional methods. The development of fuzzy expert systems has provided new opportunities for problem-solving amidst uncertainties. Fuzzy Systems: Concepts, Methodologies, Tools, and Applications is a comprehensive reference source on the latest scholarly research and developments in fuzzy rule-based methods and examines both theoretical foundations and real-world utilization of these logic sets. Featuring a range of extensive coverage across innovative topics, such as fuzzy logic, rule-based systems, and fuzzy analysis, this is an essential publication for scientists, doctors, engineers, physicians, and researchers interested in emerging perspectives and uses of fuzzy systems in various sectors.
Author | : Zhong Li |
Publisher | : Springer |
Total Pages | : 300 |
Release | : 2006-08-02 |
Genre | : Computers |
ISBN | : 3540332219 |
Download Fuzzy Chaotic Systems Book in PDF, ePub and Kindle
This book presents the fundamental concepts of fuzzy logic and fuzzy control, chaos theory and chaos control. It also provides a definition of chaos on the metric space of fuzzy sets. The book raises many questions and generates a great potential to attract more attention to combine fuzzy systems with chaos theory. In this way it contains important seeds for future scientific research and engineering applications.
Author | : Zongmin Ma |
Publisher | : Springer |
Total Pages | : 221 |
Release | : 2008-09-12 |
Genre | : Technology & Engineering |
ISBN | : 3540330135 |
Download Fuzzy Database Modeling of Imprecise and Uncertain Engineering Information Book in PDF, ePub and Kindle
Computer-based information technologies have been extensively used to help industries manage their processes and information systems hereby - come their nervous center. More specially, databases are designed to s- port the data storage, processing, and retrieval activities related to data management in information systems. Database management systems p- vide efficient task support and database systems are the key to impleme- ing industrial data management. Industrial data management requires da- base technique support. Industrial applications, however, are typically data and knowledge intensive applications and have some unique character- tics that makes their management difficult. Besides, some new techniques such as Web, artificial intelligence, and etc. have been introduced into - dustrial applications. These unique characteristics and usage of new te- nologies have put many potential requirements on industrial data mana- ment, which challenge today’s database systems and promote their evolvement. Viewed from database technology, information modeling in databases can be identified at two levels: (conceptual) data modeling and (logical) database modeling. This results in conceptual (semantic) data model and logical database model. Generally a conceptual data model is designed and then the designed conceptual data model will be transformed into a chosen logical database schema. Database systems based on logical database model are used to build information systems for data mana- ment. Much attention has been directed at conceptual data modeling of - dustrial information systems. Product data models, for example, can be views as a class of semantic data models (i. e.
Author | : Alla G. Kravets |
Publisher | : Springer Nature |
Total Pages | : 277 |
Release | : 2022-03-29 |
Genre | : Technology & Engineering |
ISBN | : 3030951162 |
Download Cyber-Physical Systems: Intelligent Models and Algorithms Book in PDF, ePub and Kindle
This book is devoted to intelligent models and algorithms as the core components of cyber-physical systems. The complexity of cyber-physical systems developing and deploying requires new approaches to its modelling and design. Presents results in the field of modelling technologies that leverage the exploitation of artificial intelligence, including artificial general intelligence (AGI) and weak artificial intelligence. Provides scientific, practical, and methodological approaches based on bio-inspired methods, fuzzy models and algorithms, predictive modelling, computer vision and image processing. The target audience of the book are practitioners, enterprises representatives, scientists, PhD and Master students who perform scientific research or applications of intelligent models and algorithms in cyber-physical systems for various domains.
Author | : James J. Buckley |
Publisher | : Springer |
Total Pages | : 262 |
Release | : 2008-09-12 |
Genre | : Computers |
ISBN | : 3540331905 |
Download Fuzzy Probability and Statistics Book in PDF, ePub and Kindle
This book combines material from our previous books FP (Fuzzy Probabilities: New Approach and Applications,Physica-Verlag, 2003) and FS (Fuzzy Statistics, Springer, 2004), plus has about one third new results. From FP we have material on basic fuzzy probability, discrete (fuzzy Poisson,binomial) and continuous (uniform, normal, exponential) fuzzy random variables. From FS we included chapters on fuzzy estimation and fuzzy hypothesis testing related to means, variances, proportions, correlation and regression. New material includes fuzzy estimators for arrival and service rates, and the uniform distribution, with applications in fuzzy queuing theory. Also, new to this book, is three chapters on fuzzy maximum entropy (imprecise side conditions) estimators producing fuzzy distributions and crisp discrete/continuous distributions. Other new results are: (1) two chapters on fuzzy ANOVA (one-way and two-way); (2) random fuzzy numbers with applications to fuzzy Monte Carlo studies; and (3) a fuzzy nonparametric estimator for the median.
Author | : Ingo Glöckner |
Publisher | : Springer |
Total Pages | : 467 |
Release | : 2008-08-11 |
Genre | : Technology & Engineering |
ISBN | : 3540325034 |
Download Fuzzy Quantifiers Book in PDF, ePub and Kindle
From a linguistic perspective, it is quanti?cation which makes all the di?- ence between “having no dollars” and “having a lot of dollars”. And it is the meaning of the quanti?er “most” which eventually decides if “Most Ame- cans voted Kerry” or “Most Americans voted Bush” (as it stands). Natural language(NL)quanti?erslike“all”,“almostall”,“many”etc. serveanimp- tant purpose because they permit us to speak about properties of collections, as opposed to describing speci?c individuals only; in technical terms, qu- ti?ers are a ‘second-order’ construct. Thus the quantifying statement “Most Americans voted Bush” asserts that the set of voters of George W. Bush c- prisesthemajorityofAmericans,while“Bushsneezes”onlytellsussomething about a speci?c individual. By describing collections rather than individuals, quanti?ers extend the expressive power of natural languages far beyond that of propositional logic and make them a universal communication medium. Hence language heavily depends on quantifying constructions. These often involve fuzzy concepts like “tall”, and they frequently refer to fuzzy quantities in agreement like “about ten”, “almost all”, “many” etc. In order to exploit this expressive power and make fuzzy quanti?cation available to technical applications, a number of proposals have been made how to model fuzzy quanti?ers in the framework of fuzzy set theory. These approaches usually reduce fuzzy quanti?cation to a comparison of scalar or fuzzy cardinalities [197, 132].
Author | : Khosrow-Pour, Mehdi |
Publisher | : IGI Global |
Total Pages | : 432 |
Release | : 2014-06-30 |
Genre | : Computers |
ISBN | : 1466662530 |
Download Contemporary Advancements in Information Technology Development in Dynamic Environments Book in PDF, ePub and Kindle
The advancement of information technology is becoming more prevalent in all aspects of the world today, including online environments. Understanding technologys effect on niche markets and all fields of research is crucial for practitioners in this area. Contemporary Advancements in Information Technology Development in Dynamic Environments presents an in-depth discussion into the information technology revolution present in fields such as government, gaming, social networking, and cloud computing. This books investigation into the research and application of information technology in several specific areas make this a useful resource for practitioners, professionals, undergraduate/graduate students, and academics.