Abstract
In this paper, we introduce a concept of advanced self-organizing polynomial neural network (Adv_SOPNN). The SOPNN is a flexible neural architecture whose structure is developed through a modeling process. But the SOPNN has a fatal drawback; it cannot be constructed for nonlinear systems with few input variables. To relax this limitation of the conventional SOPNN, we combine a fuzzy system and neural networks with the SOPNN. Input variables are partitioned into several subspaces by the fuzzy system or neural network, and these subspaces are utilized as new input variables to the SOPNN architecture. Two types of the advanced SOPNN are obtained by combining not only the fuzzy rules of a fuzzy system with SOPNN but also the nodes in a hidden layer of neural networks with SOPNN into one methodology. The proposed method is applied to the nonlinear system with two inputs, which cannot be identified by conventional SOPNN to show the performance of the advanced SOPNN. The results show that the proposed method is efficient for systems with limited data set and a few input variables and much more accurate than other modeling methods with respect to identification error.










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Acknowledgments
The authors thank the financial support of the Korea Science & Engineering Foundation. This work was supported by grant No. R01-2005-000-11044-0 from the Basic Research Program of the Korea Science & Engineering Foundation. The authors are also very grateful to the anonymous reviewers for their valuable comments.
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Kim, D., Park, GT. Advanced self-organizing polynomial neural network. Neural Comput & Applic 16, 443–452 (2007). https://doi.org/10.1007/s00521-006-0070-x
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DOI: https://doi.org/10.1007/s00521-006-0070-x