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An Observer Approach for Deterministic Learning Using Patchy Neural Networks with Applications to Fuzzy Cognitive Networks

An Observer Approach for Deterministic Learning Using Patchy Neural Networks with Applications to Fuzzy Cognitive Networks

H. E. Psillakis, M. A. Christodoulou, T. Giotis, Y. Boutalis
Copyright: © 2011 |Volume: 2 |Issue: 1 |Pages: 16
ISSN: 1947-3087|EISSN: 1947-3079|EISBN13: 9781613505731|DOI: 10.4018/jalr.2011010101
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MLA

Psillakis, H. E., et al. "An Observer Approach for Deterministic Learning Using Patchy Neural Networks with Applications to Fuzzy Cognitive Networks." IJALR vol.2, no.1 2011: pp.1-16. http://doi.org/10.4018/jalr.2011010101

APA

Psillakis, H. E., Christodoulou, M. A., Giotis, T., & Boutalis, Y. (2011). An Observer Approach for Deterministic Learning Using Patchy Neural Networks with Applications to Fuzzy Cognitive Networks. International Journal of Artificial Life Research (IJALR), 2(1), 1-16. http://doi.org/10.4018/jalr.2011010101

Chicago

Psillakis, H. E., et al. "An Observer Approach for Deterministic Learning Using Patchy Neural Networks with Applications to Fuzzy Cognitive Networks," International Journal of Artificial Life Research (IJALR) 2, no.1: 1-16. http://doi.org/10.4018/jalr.2011010101

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Abstract

In this paper, a new methodology is proposed for deterministic learning with neural networks. Using an observer that employs the integral of the sign of the error term, asymptotic estimation of the respective nonlinear vector field is achieved. Patchy Neural Networks (PNNs) are introduced to identify the unknown nonlinearity from the observer’s output and the state measurements. The proposed scheme achieves learning with a single pass from the respective patches and does not need standard persistency of excitation conditions. Furthermore, the PNN weights are updated algebraically, reducing the computational load of learning significantly. Simulation results for a Duffing oscillator and a fuzzy cognitive network illustrate the effectiveness of the proposed approach.

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