An, P.E. and Harris, C.J.
Multi-Dimensional Locally Generalizing Neural Networks for Real Time Control
At Artificial Intelligence and Real Time Control.
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Based on the fast learning convergence properties of networks with local generalization (compared to multi-layered networks with global learning interferrence and possible multi-minima), this paper reviews three locally generalizing neural networks: Radial Basis Functions (RBF), B-Splines (BSPL), and Cerebellar Model Articulated Controller (CMAC). In specific, the learning performance of the CMAC network was evaluated using a non-linear time series with four inputs and two outputs, and compared to those using RBF (Chen, Billings (1991)) and B-Splines (Brown, Harris (1991)). In relation to real-time control tasks, either the plant derivative (or jacobian) or an approximated version of the jacobian is required if the controller is adjusted based on an instantaneous tracking error (instead of the control error). This way the controller becomes sensitive to the estimated plant jacobian. This paper also studies the ability of the CMAC network to approximate a plant made of multi-sinusoids, and estimate the plant jacobian based on the approximated plant model.
Conference or Workshop Item
||Organisation: IFAC Address: Groningen, Netherlands
|Venue - Dates:
||Artificial Intelligence and Real Time Control, 1992-01-01
||Southampton Wireless Group
||04 May 1999
||18 Apr 2017 00:23
|Further Information:||Google Scholar|
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