A New Method for Modeling System Dynamics by Fuzzy Logic Modeling of Research and Development in the National System of Innovation
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Authors
Hassan Youssefi
- Department of Industrial Engineering, University of Tabriz, P. O. Box 51666-14766, Tabriz, Iran
Vahid Saeid Nahaei
- Department of Industrial Engineering, University of Tabriz, P. O. Box 51666-14766, Tabriz, Iran
Javad Nematian
- Department of Industrial Engineering, University of Tabriz, P. O. Box 51666-14766, Tabriz, Iran
Abstract
System Dynamics (SD) is an effective method for studying dynamic conditions and changes in complex systems. It has been used in domain of social, economic and human activities which deal with vague and inaccurate variables. In this paper, a new dynamic model of real world systems is designed based on the concept of system dynamic approach. Then relations among the variables in the model are defined as fuzzy if-then rules by using fuzzy logic method. For analyzing the model accurately and avoiding the extent of ambiguities, Fuzzy Inference System (FIS) will be designed. For this purpose, cycle of creation and absorption of knowledge in a National Innovation System has been analyzed via SD methodology and FIS results.
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ISRP Style
Hassan Youssefi, Vahid Saeid Nahaei, Javad Nematian, A New Method for Modeling System Dynamics by Fuzzy Logic Modeling of Research and Development in the National System of Innovation, Journal of Mathematics and Computer Science, 2 (2011), no. 1, 88--99
AMA Style
Youssefi Hassan, Nahaei Vahid Saeid, Nematian Javad, A New Method for Modeling System Dynamics by Fuzzy Logic Modeling of Research and Development in the National System of Innovation. J Math Comput SCI-JM. (2011); 2(1):88--99
Chicago/Turabian Style
Youssefi, Hassan, Nahaei, Vahid Saeid, Nematian, Javad. "A New Method for Modeling System Dynamics by Fuzzy Logic Modeling of Research and Development in the National System of Innovation." Journal of Mathematics and Computer Science, 2, no. 1 (2011): 88--99
Keywords
- System Dynamics
- Fuzzy Logic
- Fuzzy Inference System
- National Innovation Systems
- If-Then rules
MSC
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