Supervised and Reinforcement Evolutionary Learning for Wavelet-based Neuro-fuzzy Networks

  • Authors:
  • Cheng-Jian Lin;Yong-Cheng Liu;Chi-Yung Lee

  • Affiliations:
  • Department of Electrical Engineering, National University of Kaohsiung, Kaohsiung City, Republic of China 811 and Department of Computer Science and Information Engineering, Chaoyang University of ...;Department of Computer Science and Information Engineering, Chaoyang University of Technology, Wufong, Republic of China 413;Department of Computer Science and Information Engineering, Nankai Institute of Technology, Nantou, Republic of China 542

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 2008

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Abstract

This study presents a wavelet-based neuro-fuzzy network (WNFN). The proposed WNFN model combines the traditional Takagi---Sugeno---Kang (TSK) fuzzy model and the wavelet neural networks (WNN). This study adopts the non-orthogonal and compactly supported functions as wavelet neural network bases. A novel supervised evolutionary learning, called WNFN-S, is proposed to tune the adjustable parameters of the WNFN model. The proposed WNFN-S learning scheme is based on dynamic symbiotic evolution (DSE). The proposed DSE uses the sequential-search-based dynamic evolutionary (SSDE) method. In some real-world applications, exact training data may be expensive or even impossible to obtain. To solve this problem, the reinforcement evolutionary learning, called WNFN-R, is proposed. Computer simulations have been conducted to illustrate the performance and applicability of the proposed WNFN-S and WNFN-R learning algorithms.