Implementation of a neural net tracking controller for a single flexible link: Comparison with PD and PID controllers

Luis B. Gutierrez, Frank L. Lewis

Research output: Contribution to journalConference articlepeer-review

Abstract

The objective of this paper is to show the results of the practical implementation of a neural network tracking controller on a single flexible link and compare its performance to that of PD and PID standard controllers. The NN controller is composed of an outer PD tracking loop, a singular perturbation inner loop for stabilization of the fast flexible mode dynamics, and a neural network inner loop used to feedback linearize the slow pointing dynamics. No off-line training or learning is needed for the NN. It is shown that the tracking performance of the NN controller is far better than that of the PD or PID standard controllers. An extra friction term was added in the tests to demonstrate the ability of the NN to learn unmodeled nonlinear dynamics.

Original languageEnglish
Pages (from-to)657-661
Number of pages5
JournalProceedings of the American Control Conference
Volume1
StatePublished - 1997
Externally publishedYes
EventProceedings of the 1997 American Control Conference. Part 3 (of 6) - Albuquerque, NM, USA
Duration: 4 Jun 19976 Jun 1997

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