Neural network based optimizing controllers for smart structural systems

Rajendra Damle, Vittal Rao

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Neural network based controllers for vibration suppression of smart structural systems have been reported in several recent studies. These studies have shown that in addition to conventional conntroller design methodologies, neural networks offer an effective basis for design and implementation of controllers. With the introduction of neural network chips like the electronically trainable analog neural network (ETANN) chip i80170NX by Intel and the Ni1000 chip by Nestor Corp., stand-alone hardware implementation of neural network based controllers is possible. In this paper the capapbilities of Intel's ETANN chip to implement linear and nonlinear controllers for smart structural systems have been investigated. A neural network based optimizing controller design methodology that integrates the ETANN chip and its capabilities of on-line adptation has been developed. A priori information on the smart structural systems such as actuator/sensor bandwidth limits and control effort limits can be directly accommodated in this method. Simulation studies of the performance of a closed loop time varying linear and nonlinear system have also been presented with and without on-line adaptation.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalSmart Materials and Structures
Volume7
Issue number1
DOIs
StatePublished - Feb 1998

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