###### Fuzzy Logic

###### Logic

###### Neural Networks (Computer)

## Identification of causal relations between haemodynamic variables, auditory evoked potentials and isoflurane by means of fuzzy logic. (1/394)

The aim of this study was to identify a possible relationship between haemodynamic variables, auditory evoked potentials (AEP) and inspired fraction of isoflurane (ISOFl). Two different models (isoflurane and mean arterial pressure) were identified using the fuzzy inductive reasoning (FIR) methodology. A fuzzy model is able to identify non-linear and linear components of a causal relationship by means of optimization of information content of available data. Nine young female patients undergoing hysterectomy under general anaesthesia were included. Mean arterial pressure (MAP), heart rate (HR), end-tidal expired carbon dioxide (CO2ET), AEP and ISOFl were monitored with a sampling time of 10 s. The AEP was extracted using an autoregressive model with exogenous input (ARX model) which decreased the processing time compared with a moving time average. The AEP was mapped into a scalar, termed the depth of anaesthesia index (DAI) normalized to 100 when the patient was awake and descending to an average of 25 during loss of consciousness. The FIR methodology identified those variables among the input variables (MAP, HR, CO2ET, DAI or ISOFl) that had the highest causal relation with the output variables (ISOFl and MAP). The variables with highest causal relation constitute the ISOFl and MAP models. The isoflurane model predicted the given anaesthetic dose with a mean error of 12.1 (SD 10.0)% and the mean arterial pressure model predicted MAP with a mean error of 8.5 (7.8)%. (+info)## Fuzzy logic and measles vaccination: designing a control strategy. (2/394)

BACKGROUND: The State of Sao Paulo, the most populous in Brazil, was virtually free of measles from 1987 until the end of 1996 when the number of cases started to rise. It reached alarming numbers in the middle of 1997 and local health authorities decided to implement a mass vaccination campaign. METHODS: Fuzzy Decision Making techniques are applied to the design of the vaccination campaign. RESULTS: The mass vaccination strategy chosen changed the natural course of the epidemic. It had a significant impact on the epidemic in the metropolitan area of Sao Paulo city, but a second epidemic in the State's interior forced the public health authorities to implement a second mass vaccination campaign 2 months after the first. CONCLUSIONS: Fuzzy Logic techniques are a powerful tool for the design of control strategies against epidemics of infectious diseases. (+info)## Which algorithm for scheduling add-on elective cases maximizes operating room utilization? Use of bin packing algorithms and fuzzy constraints in operating room management. (3/394)

BACKGROUND: The algorithm to schedule add-on elective cases that maximizes operating room (OR) suite utilization is unknown. The goal of this study was to use computer simulation to evaluate 10 scheduling algorithms described in the management sciences literature to determine their relative performance at scheduling as many hours of add-on elective cases as possible into open OR time. METHODS: From a surgical services information system for two separate surgical suites, the authors collected these data: (1) hours of open OR time available for add-on cases in each OR each day and (2) duration of each add-on case. These empirical data were used in computer simulations of case scheduling to compare algorithms appropriate for "variable-sized bin packing with bounded space." "Variable size" refers to differing amounts of open time in each "bin," or OR. The end point of the simulations was OR utilization (time an OR was used divided by the time the OR was available). RESULTS: Each day there were 0.24 +/- 0.11 and 0.28 +/- 0.23 simulated cases (mean +/- SD) scheduled to each OR in each of the two surgical suites. The algorithm that maximized OR utilization, Best Fit Descending with fuzzy constraints, achieved OR utilizations 4% larger than the algorithm with poorest performance. CONCLUSIONS: We identified the algorithm for scheduling add-on elective cases that maximizes OR utilization for surgical suites that usually have zero or one add-on elective case in each OR. The ease of implementation of the algorithm, either manually or in an OR information system, needs to be studied. (+info)## Evaluation of new online automated embolic signal detection algorithm, including comparison with panel of international experts. (4/394)

BACKGROUND AND PURPOSE: The clinical application of Doppler detection of circulating cerebral emboli will depend on a reliable automated system of embolic signal detection; such a system is not currently available. Previous studies have shown that frequency filtering increases the ratio of embolic signal to background signal intensity and that the incorporation of such an approach into an offline automated detection system markedly improved performance. In this study, we evaluated an online version of the system. In a single-center study, we compared its performance with that of a human expert on data from 2 clinical situations, carotid stenosis and the period immediately after carotid endarterectomy. Because the human expert is currently the "gold standard" for embolic signal detection, we also compared the performance of the system with an international panel of human experts in a multicenter study. METHODS: In the single-center evaluation, the performance of the software was tested against that of a human expert on 20 hours of data from 21 patients with carotid stenosis and 18 hours of data from 9 patients that was recorded after carotid endarterectomy. For the multicenter evaluation, a separate 2-hour data set, recorded from 5 patients after carotid endarterectomy, was analyzed by 6 different human experts using the same equipment and by the software. Agreement was assessed by determining the probability of agreement. RESULTS: In the 20 hours of carotid stenosis data, there were 140 embolic signals with an intensity of > or =7 dB. With the software set at a confidence threshold of 60%, a sensitivity of 85.7% and a specificity of 88.9% for detection of embolic signals were obtained. At higher confidence thresholds, a specificity >95% could be obtained, but this was at the expense of a lower sensitivity. In the 18 hours of post-carotid endarterectomy data, there were 411 embolic signals of > or =7-dB intensity. When the same confidence threshold was used, a sensitivity of 95.4% and a specificity of 97.5% were obtained. In the multicenter evaluation, a total of 127 events were recorded as embolic signals by at least 1 center. The total number of embolic signals detected by the 6 different centers was 84, 93, 108, 92, 63, and 78. The software set at a confidence threshold of 60% detected 90 events as embolic signals. The mean probability of agreement, including all human experts and the software, was 0.83, and this was higher than that for 2 human experts and lower than that for 4 human experts. The mean values for the 6 human observers were averaged to give P=0.84, which was similar to that of the software. CONCLUSIONS: By using the frequency specificity of the intensity increase occurring with embolic signals, we have developed an automated detection system with a much improved sensitivity. Its performance was equal to that of some human experts and only slightly below the mean performance of a panel of human experts (+info)## A property concept frame representation for flexible image-content retrieval in histopathology databases. (5/394)

In histopathology databases, images descriptions are collections of properties provided by experts. Image content retrieval implies comparison of such properties. The objective of this work is to enrich the traditional attribute-value representation of properties in order to take into account the polymorphism and subjectivity of properties and to manage the comparison process. In this paper we define a property concept frame (PCF) representation based on fuzzy logic to handle both representation and comparison. Seven quantifiable morphological characteristics were selected from histopathological reports to illustrate the variety of fuzzy predicates and linguistic terms in properties. The PCF representation has been tested in the context of breast pathology. It is concluded that the PCF representation provides a unification scheme to retrieve in images morphological characteristics that are described in different ways. It may enhance the relevancy of applications in various contexts such as image content-based retrieval or case-based reasoning from images. (+info)## Decision trees and fuzzy logic: a comparison of models for the selection of measles vaccination strategies in Brazil. (6/394)

In 1997, health authorities of the state of Sao Paulo, Brazil designed a vaccination campaign against measles based on a decision model that utilized fuzzy logic. The chosen mass vaccination strategy was implemented and changed the natural course of the epidemic in that state. We have built a model using a decision tree and compare it to the fuzzy logic model. Using essentially the same set of assumptions about this problem, we contrast the two approaches. The models identify the same strategy as being the best one, but exhibit differences in the ranking of the remaining strategies. (+info)## Prevention of haemodialysis-induced hypotension by biofeedback control of ultrafiltration and infusion. (7/394)

BACKGROUND: Haemodialysis-induced hypotension is still a severe complication in spite of all the progress in haemodialysis treatment. Because of its multifactorial causes, haemodialysis-induced hypotension cannot be reliably prevented by conventional ultrafiltration and sodium profiling in open-loop systems, as they are unable to adapt themselves to actual decreases in blood pressure. METHODS: A blood-pressure-guided closed-loop system, for prevention of haemodialysis-induced hypotension by biofeedback-driven computer control of both ultrafiltration and saline infusion was clinically tested in 237 treatments of seven patients prone to hypotension. As medical knowledge on multifactorial causes of hypotension is characterized by a lack in deterministic knowledge, fuzzy logic and linguistic variables were used to involve clinical experience on hypotension phenomena in terms of fuzzy knowledge. Biofeedback control is based on frequent measurements of blood pressure at 5 min intervals. Blood pressure behaviour is described by linguistic variables and fuzzy sets. Adaptive rule bases were used for the simultaneous fuzzy control of both the ultrafiltration and infusion of hypertonic saline (20% NaCl). Proper adaptation of control features to patient's conditions was provided by the critical borderline pressure, which was set by the physician individually at the beginning of each treatment. During the initial and medium phases of the sessions, ultrafiltration rates up to 150% of the average rates were applied as long as decreases in blood pressure could be compensated by saline infusion. The surplus of ultrafiltrate volume was used for blood pressure stabilization in the final phase in most instances by low ultrafiltration rates. RESULTS: The advantages of biofeedback-controlled haemodialysis were demonstrated by both decreasing the frequency of hypotonic episodes and by increasing or maintaining constant levels of systolic blood pressure during the final phase in 88% of treatments. As saline infusion was applied mainly in the initial and medium phases, blood sodium levels were not significantly higher at the end of the sessions, and interdialytic weight gain was not elevated. CONCLUSION: The application of fuzzy logic in the blood-pressure-guided biofeedback control of ultrafiltration and sodium infusion during haemodialysis is able to minimize haemodialysis-induced hypotension. (+info)## A web exercise in evidence-based medicine using cognitive theory. (8/394)

Our aim was to improve clinical reasoning skills by applying an established theory of memory, cognition, and decision making (fuzzy-trace theory) to instruction in evidence-based medicine. Decision-making tasks concerning chest pain evaluation in women were developed for medical students and internal medicine residents. The fuzzy-trace theory guided the selection of online sources (e.g., target articles) and decision-making tasks. Twelve students and 22 internal medicine residents attended didactic conferences emphasizing search, evaluation, and clinical application of relevant evidence. A 17-item Likert scale questionnaire assessed participants' evaluation of the instruction. Ratings for each of the 17 items differed significantly from chance in favor of this alternative approach to instruction. We concluded that fuzzy-trace theory may be a useful guide for developing learning exercises in evidence-based medicine. (+info)**Fuzzy Logic**is a form of many-valued logic that deals with reasoning which is approximate rather than fixed and definite, allowing for the concept of partial truth, where the truth value may range between 0 and 1, and is especially useful in dealing with uncertainty and ambiguity in medical diagnosis and treatment.

I'm sorry for any confusion, but "Fuzzy Logic" is actually a term from the field of mathematics and computer science, not medicine. It is a form of many-valued logic that deals with reasoning that is approximate rather than fixed and exact. In contrast to traditional logic, where binary sets have distinct boundaries (true or false, 0 or 1, etc.), fuzzy logic allows for continuous values between 0 and 1, making it particularly useful in areas where precise definitions are difficult, such as medical diagnosis or robotics.

**logic**' refers to the use of valid reasoning processes and principles to evaluate and infer conclusions from given medical information or data, following established norms of scientific inquiry and evidence-based medicine."

I'm sorry for any confusion, but "logic" is a term that is more commonly used in philosophy, mathematics, and computer science rather than in medicine. It refers to the principles of valid reasoning and argument. In the context of medicine, healthcare professionals may use logical thinking and reasoning in making diagnoses, evaluating treatment options, and making decisions about patient care. However, there isn't a specific medical definition for "logic" itself.

**Education, Nonprofessional**' refers to the process of acquiring knowledge and skills related to health care, disease prevention, and health promotion that is typically not intended for professional practice or licensure, but for personal growth, self-care, or community benefit.

"Non-professional education" in a medical context typically refers to education and training related to healthcare that is not provided through an accredited professional degree or certification program. This type of education may be focused on providing knowledge and skills to individuals who work in support roles within the healthcare system, such as administrative staff, patient care technicians, or community health workers. Non-professional education programs may cover topics such as basic anatomy and physiology, medical terminology, infection control, patient communication, and other relevant subjects. The goal of non-professional education is to help individuals develop the skills and knowledge necessary to contribute to high-quality patient care in a supportive role, while recognizing that they are not qualified to provide professional medical services or make clinical decisions.

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###### Neural networks and Fuzzy Logic1

- Read and download free eBook intituled C++ Neural Networks and Fuzzy Logic in format PDF - 549 pages created by Valluru B. Rao, Hayagriva Rao. (freebooksdownloads.net)

###### Inference systems2

- Fuzzy rules and fuzzy reasoning are the basic components of fuzzy inference systems, which are the most important modelling tool based on fuzzy set theory. (taylorfrancis.com)
- The product lets you specify and configure inputs, outputs, membership functions, and rules of type-1 and type-2 fuzzy inference systems. (mathworks.com)

###### Fuzzification4

- Fuzzification is the process of assigning the numerical input of a system to fuzzy sets with some degree of membership. (wikipedia.org)
- The degree of membership assigned for each fuzzy set is the result of fuzzification. (wikipedia.org)
- The other three papers discuss the fuzzy retractions, fuzzification, and the fuzzy application in transportation systems. (hindawi.com)
- The simulation was performed using a fuzzy controller, which includes fuzzification block. (edu.pl)

###### Controller10

- Using experience and intuition, with no mathematical model, you can design a fuzzy logic controller that can balance a pole on a cart. (mathworks.com)
- To produce an optimal insulin dosage based on the observed inputs, the fuzzy controller described in [4] uses expert knowledge to construct a single FIS with 75 rules. (mathworks.com)
- The proposed system comprises a model-based fuzzy logic controller, an arterial tonometer and a micro syringe device. (nctu.edu.tw)
- To solve this dilemma, a model-based fuzzy logic controller is designed to compensate the change of MAP by applying a counter pressure on the tonometer chamber through the micro syringe device. (nctu.edu.tw)
- The proposed controller consists of a model-based predictor and a synthetic fuzzy logic controller (SFLC). (nctu.edu.tw)
- The SFLC is composed of three subcontrollers, each of which is a simple fuzzy logic controller, for processing the three changing states of the MAP: ascending, descending and stabilizing states, respectively. (nctu.edu.tw)
- The difficulty of modelling the tokamak discharge parameters suggests that a control system, such as a fuzzy logic based controller, which does not require a system model may be well suited to the control of fusion plasma. (usask.ca)
- By taking advantage of the modifications that were made to the plasma position controller, a fuzzy logic controller was developed by the author. (usask.ca)
- The fuzzy logic based plasma position controller was also successfully applied to the STOR-M tokamak during both normal mode and A.C. operation. (usask.ca)
- The fuzzy controller was demonstrated to reliably provide a higher degree of control over the position of the plasma column within the STOR-M tokamak than the modified PID controller. (usask.ca)

###### Given fuzzy set2

- If it is 0 then the value does not belong to the given fuzzy set, and if it is 1 then the value completely belongs within the fuzzy set. (wikipedia.org)
- The value that a given fuzzy set A assigns to an element x in U is called the degree of the membership of x in the fuzzy set A . Fuzzy subsets are usually referred to simply as fuzzy sets . (newworldencyclopedia.org)

###### Abstract3

- Article: A fuzzy logic model for competitive assessment of airline service quality Journal: International Journal of Productivity and Quality Management (IJPQM) 2009 Vol.4 No.1 pp.84 - 102 Abstract: The purpose of this paper is to develop an operational performance model with direct applicability to the post-9/11 US airline industry. (inderscience.com)
- Fuzzy logic allows you to design a fuzzy inference system, which is a function that maps a set of inputs to outputs using human interpretable rules rather than more abstract mathematics. (mathworks.com)
- abstract = "Genetic programming (GP) is applied to automatic discovery of full knowledge bases for use in fuzzy logic control applications. (ucl.ac.uk)

###### Simulink3

- The Simulink models are constructed using the functional threshold power (FTP) driving cycle to analyze the proposed T-S fuzzy gearshift schedule and compare it with the traditional dual-parameter shifting schedules. (fisita.com)
- Fuzzy Logic Toolbox™ provides MATLAB ® functions, apps, and a Simulink ® block for analyzing, designing, and simulating fuzzy logic systems. (mathworks.com)
- You can evaluate the designed fuzzy logic systems in MATLAB and Simulink. (mathworks.com)

###### System28

- These fuzzy sets are typically described by words, and so by assigning the system input to fuzzy sets, we can reason with it in a linguistically natural manner. (wikipedia.org)
- A fuzzy logic system (FLS) can be defined as the nonlinear mapping of an input data set to a scalar output data [66]. (bartleby.com)
- This week, Aminah Robinson Fayek was named the Canada Research Chair (CRC) in Fuzzy Hybrid System Decision Support for Systems for Construction. (ualberta.ca)
- Therefore, this study aimed to design a household cultivation system for sweet basil that is automatically and continuously controlled by fuzzy logic with a Raspberry Pi4. (nih.gov)
- For verification of the designed fuzzy system, a comparison between the simulation and actual operation was performed to examine differences and identify problems. (nih.gov)
- To this end, Pearson's correlation coefficients were used, and the direction of correction of the fuzzy logic system was proposed. (nih.gov)
- Through these results, the feasibility of a home cultivation system using fuzzy logic was demonstrated, and it is expected that further studies applying it will be conducted in the future. (nih.gov)
- The "fuzzy inference system" is a popular computing framework based on the concepts of fuzzy set theory, fuzzy if-then rules, and fuzzy reasoning. (taylorfrancis.com)
- So using Grayson's logic, since Grayson wants to push us towards a British-style system, and under such a system cancer patients die at higher rates, Grayson must want to kill cancer patients. (blogspot.com)
- to appropriately determine the MR damper voltage using fuzzy logic algorithms and then analyzing the whole system too. (ac.ir)
- In this paper we present our experience in developing a fuzzy-logic based negotiation system capable of achieving a mutually beneficial deal for the seller and buyer in uncertain situations. (iospress.nl)
- Fuzzy utility in our system allows users who are often unsure about their utility function to express their preferences in fuzzy terms such as low, middle and high. (iospress.nl)
- The system evaluates offers based on this fuzzy utility and feeds utility score along with remaining negotiation time to a fuzzy inference system to compute conceding rate of its next counter offer. (iospress.nl)
- The fuzzy advisor and control system will help make this technology affordable and available to many operators. (doe.gov)
- Enhanced the existing fuzzy logic feedback control system. (doe.gov)
- Fuzzy Logic Repplix software module allows a robotic system to learn trajectories in a single gesture without any specific training. (roboticstomorrow.com)
- The software Fuzzy Studio provides a monitoring system via a real-time digital twin of the robotic installation, and takes into account collision monitoring and the feasibility of the trajectories in the robot's environment. (roboticstomorrow.com)
- David Mangin adds: 'While Repplix takes control of the robot and pilots it on the fly, we are working with Fuzzy Logic on securing the process and interfacing Repplix with the safety PLCa integrated into the system. (roboticstomorrow.com)
- The toolbox lets you automatically tune membership functions and rules of a fuzzy inference system from data. (mathworks.com)
- Additionally, you can use the fuzzy inference system as a support system to explain artificial intelligence (AI)-based black-box models. (mathworks.com)
- Interactively construct a fuzzy inference system using the Fuzzy Logic Designer app. (mathworks.com)
- Construct a fuzzy inference system at the MATLAB command line. (mathworks.com)
- A fuzzy logic system is a collection of fuzzy if-then rules that perform logical operations on fuzzy sets. (mathworks.com)
- A fuzzy inference system uses if-then rules, membership functions, and fuzzy operators to map a set of inputs to outputs. (mathworks.com)
- Fuzzy logic controllers (FLCs) have extensively been used for the autonomous control and guidance of unmanned aerial vehicles (UAVs) due to their capability of handling uncertainties and delivering adequate control without the need for a precise, mathematical system model which is often either unavailable or highly costly to develop. (ntu.edu.sg)
- This example shows how to design and optimize a fuzzy inference system (FIS) tree to control an artificial pancreas. (mathworks.com)
- Performance evaluation of learning styles based on fuzzy logic inference system. (bvsalud.org)
- An intelligent health monitoring and diagnosis system based on the internet of things and fuzzy logic for cardiac arrhythmia COVID-19 patients. (cdc.gov)

###### Semantics1

- We will study several variants of fuzzy \(\mathcal{ALC}\) that differ from each other by their expressivity and their fuzzy semantics. (tu-dresden.de)

###### Inputs1

- the two inputs images are converted into membership values based on a set of predefined MFs, where the degree of membership of each input pixel to a fuzzy set is determined. (bartleby.com)

###### Defuzzification2

- The Mamdani fuzzy inference is widely used in applications, because of it has the simple structure of defuzzification method Mamdani type min-imum sum mean of maximum which is used.Defuzzification refers to the way a crisp value is extracted from a fuzzy set as a representative value. (bartleby.com)
- Compare the defuzzification methods supported by Fuzzy Logic Toolbox software. (mathworks.com)

###### Crisp2

- De-fuzzify the fuzzy output functions to get "crisp" output values. (wikipedia.org)
- Since airline-operating performance depends upon several factors that cannot be described in crisp terms, these data fit within fuzzy logic set descriptors and theory. (inderscience.com)

###### Vagueness4

- Fuzzy models or fuzzy sets are mathematical means of representing vagueness and imprecise information (hence the term fuzzy). (wikipedia.org)
- Both degrees of truth and probabilities range between 0 and 1 and hence may seem similar at first, but fuzzy logic uses degrees of truth as a mathematical model of vagueness, while probability is a mathematical model of ignorance. (wikipedia.org)
- The concept of fuzzy sets provides a convenient way to represent various notions with imprecision, vagueness, or fuzziness, for example young, tall, cold, and so forth, which we frequently employ in our everyday life. (newworldencyclopedia.org)
- One of the latest tools in dealing with uncertainty and vagueness is Pythagorean fuzzy sets which are the generalized form of intuitionistic fuzzy set. (amrita.edu)

###### Compute1

- Execute all applicable rules in the rulebase to compute the fuzzy output functions. (wikipedia.org)

###### Artificial intelligence3

- Fuzzy logic has been applied to many fields, from control theory to artificial intelligence. (wikipedia.org)
- In the face of data limitations, the team is calling on artificial intelligence and Fayek's particular area of expertise, fuzzy logic. (ualberta.ca)
- The extensively revised and updated edition provides a logical and easy-to-follow progression through C++ programming for two of the most popular technologies for artificial intelligence - neural and fuzzy programming. (freebooksdownloads.net)

###### Robotics1

- Fuzzy Logic Robotics is on a mission to revolutionize the field of industrial robotics. (waib.org)

###### Sets10

- Fuzzy sets are often defined as triangle or trapezoid-shaped curves, as each value will have a slope where the value is increasing, a peak where the value is equal to 1 (which can have a length of 0 or greater) and a slope where the value is decreasing. (wikipedia.org)
- Fuzzy logic , when construed in a wider sense, is the theory of fuzzy sets . (newworldencyclopedia.org)
- Fuzzy logic studies fuzzy sets, which was first introduced by L. Zadeh in 1965. (newworldencyclopedia.org)
- This concept of fuzzy sets generalizes the concept of sets in ordinary set theory. (newworldencyclopedia.org)
- In this sense, the sets in the ordinary sense are special cases of fuzzy sets. (newworldencyclopedia.org)
- 1) Fuzzy sets: The fuzzy sets are used to describe the gray levels of the input images. (bartleby.com)
- This chapter introduces the basic concepts, notation, and basic operations for fuzzy sets. (taylorfrancis.com)
- In this paper, we explore the concept of Pythagorean fuzzy sets and introduce POS-NEG composition to determine the behaviour of customers in Amazon E-commerce website. (amrita.edu)
- The main feature of Pythagorean fuzzy sets is its relatively novel mathematical framework in the fuzzy family with higher ability to cope imprecision imbedded in decision-making. (amrita.edu)
- Fuzzy logic uses linguistic variables, defined as fuzzy sets, to approximate human reasoning. (mathworks.com)

###### Operators1

- In addition, GP is employed to handle selection of fuzzy set intersection operators (t-norms). (ucl.ac.uk)

###### 20161

- 2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), 1-8. (ntu.edu.sg)

###### Soft Computing1

- 9 videos on Fuzzy Logic in Soft Computing. (lastmomenttuitions.com)

###### Imprecise3

- Fuzzy logic is based on the observation that people make decisions based on imprecise and non-numerical information. (wikipedia.org)
- The course covers fuzzy Description Logics as formalisms for representing and reasoning with vague or imprecise knowledge. (tu-dresden.de)
- George J. Kilr and Bo Yuan [32] Fuzzy logic is a way to formalize the human decision capacity of imprecise reasoning, or approximate reasoning. (bartleby.com)

###### Simulation1

- Fuzzy logic is an AI technique that represents expert knowledge and subjective reasoning mathematically, which she combines with other AI, machine learning and simulation techniques to create fuzzy hybrid techniques to enhance decision-making processes. (ualberta.ca)

###### Applications7

- In fuzzy logic applications, non-numeric values are often used to facilitate the expression of rules and facts. (wikipedia.org)
- Fuzzy logic has had notable success in various engineering applications. (newworldencyclopedia.org)
- Fuzzy logic is controversial in some circles, despite wide acceptance and a broad track record of successful applications. (newworldencyclopedia.org)
- Fuzzy logic has shown itself to be a powerful design and analysis methodology in control theory, enabling the implementation of advanced knowledge-based control strategies for complex dynamic systems such as those emerging applications for systems and synthetic biology. (hindawi.com)
- This special issue on advanced fuzzy logic applications compiles seven exciting manuscripts. (hindawi.com)
- By compiling these articles, we hope to enrich our readers and researchers with respect to these particularly relevant, yet usually highly treatable, fuzzy logic applications. (hindawi.com)
- The chapter presents the main ideas underlying fuzzy logic and points out the many possible applications of the powerful computational theory. (taylorfrancis.com)

###### Systems2

- A. Paz, P. Maheshwari, P. Kachroo, and S. Ahmad discuss the estimation of performance indices for the planning of sustainable transportation systems by fuzzy logic. (hindawi.com)
- You can generate standalone executables or C/C++ code and IEC 61131-3 Structured Text to evaluate and implement fuzzy logic systems. (mathworks.com)

###### Linguistic values2

- Because natural languages do not always contain enough value terms to express a fuzzy value scale, it is common practice to modify linguistic values with adjectives or adverbs. (wikipedia.org)
- It describes linguistic variables and linguistic values and explains how to use them in fuzzy rules, which are an efficient tool for quantitative modelling of words or sentences in a natural or artificial language. (taylorfrancis.com)

###### Classification4

- In classification using fuzzy logic a pixel may have multiple class membership and the one with the highest membership or similarity value gets the class label. (utwente.nl)
- Severity classification for idiopathic pulmonary fibrosis by using fuzzy logic. (bvsalud.org)
- With the interaction between functional indexes and high resolution CT scores through fuzzy logic , a classification for IPF has been built. (bvsalud.org)
- Through fuzzy logic , an IPF classification was built based on forced vital capacity measurement with a simple practical application. (bvsalud.org)

###### Uncertainty1

- Fuzzy set theory provides a means for representing uncertainty. (wikipedia.org)

###### Explains1

- Ryan Lober, CEO of Fuzzy Logic, explains: 'With the Repplix software module, developed by Fuzzy Logic, it is easy to robotize where it was previously impossible. (roboticstomorrow.com)

###### Conventional1

- In the conventional soil survey technique, it is possible to map only 8 soil series at 1:50,000 scale, indicating that detail soil mapping is possible by using fuzzy logic. (utwente.nl)

###### Terms2

- The results showed that the AHP and fuzzy logic methods developed significantly different index maps in terms of best locations and suitability scores. (nebraska.edu)
- It can relatively here designate them from the download Fifty Years of Fuzzy Logic and extremely purchased skiing of staff between the terms in Free books who are this Note are not espoused also by languages, because it has placed that they are back dramatic in delightful or successful page. (andrewscompass.com)

###### Assess2

- A database of numerical scores is transformed into a fuzzy database, and then fuzzy probabilities are used to assess the belief that the scores fall within the desired range for each criterion. (inderscience.com)
- The main objective of the study is to assess the usefulness of fuzzy logic in increasing efficiency in soil mapping. (utwente.nl)

###### Theory1

- The term fuzzy logic was introduced with the 1965 proposal of fuzzy set theory by Azerbaijani mathematician Lotfi Zadeh. (wikipedia.org)

###### Evaluate1

- Then you can make fuzzy logic statements like: y is very low which would evaluate to (y is low) * (y is low). (cmu.edu)

###### Rules5

- It uses the following rules: Fuzzify all input values into fuzzy membership functions. (wikipedia.org)
- The fuzzy logic gives decision rules and fusion motivation for image fusion [17]. (bartleby.com)
- The fuzzy rules in the form IF-THEN is used .The If-Then type fuzzy rules converts the fuzzy input to the fuzzy output. (bartleby.com)
- The chapter describes different schemes of fuzzy reasoning, where inference procedures based on the concept of the compositional rule of inference are used to derive conclusions from a set of fuzzy rules and known facts. (taylorfrancis.com)
- Fuzzy inference maps an input space to an output space using a series of fuzzy if-then rules. (mathworks.com)

###### Sensor1

- 7%FUZZY logic control A built-in load sensor automatically detects the laundry load and a microprocessor optimizes washing conditions such as ideal WATER LEVEL and washing time. (i-gsm.pl)

###### Functions1

- However, creating a large rule base using expert knowledge is a complicated process due to the manual construction of each fuzzy rule for all combinations of input membership functions (MFs). (mathworks.com)

###### Approach3

- The author discusses the fuzzy modeling and identification and suggests a fuzzy control approach for the adjustment of both the wind turbine blade pitch angle and the generator torque. (hindawi.com)
- The fuzzy logic approach is widely used in image process-ing. (bartleby.com)
- In this paper, a fuzzy logic approach to cluster-head election is proposed based on three descriptors - energy, concentration and centrality. (illinois.edu)

###### Diagnosis1

- N. V. Kolesov discusses the fault diagnosis using fuzzy interacting observers. (hindawi.com)

###### Introduces1

- To represent this, he introduces the concept of fuzzy subsets . (newworldencyclopedia.org)

###### Data3

- A more sophisticated practical example is the use of fuzzy logic in high-performance error correction to improve information reception over a limited-bandwidth communication link affected by data-corrupting noise using turbo codes. (newworldencyclopedia.org)
- S. Simani proposes the application of a data-driven fuzzy control design to a wind turbine benchmark model. (hindawi.com)
- The accuracy of the fuzzy logic derived soil series map was tested using a set of evaluation data. (utwente.nl)

###### Conclusions1

- Classical logic only permits conclusions that are either true or false. (wikipedia.org)

###### Process2

- By defining a set of critical points for the training process in fuzzy-logic rule base, the method is capable of extracting the detecting object from a low-contrast and noisy background image. (actapress.com)
- In addition, the analytic hierarchy process (AHP), one of the most popular overlay analyses, was used for comparison to fuzzy logic. (nebraska.edu)

###### Article1

- This article presents a new method for image segmentation using fuzzy logic algorithm to overcome the existing difficulties encountered by complicated intensity variation and low contrast conditions. (actapress.com)