Journal of Computing in Civil Engineering, ( ISI ), Volume (23), No (5), Year (2009-9) , Pages (299-307)

Title : ( Direct Adaptive Neurocontrol of Structures under Earth Vibration )

Authors: Mohaamad Rezaiee Pajand , Mohammad Reza Akbarzadeh Totonchi , ALI Nikdel ,

Citation: BibTeX | EndNote

A direct adaptive neurocontroller is proposed to reduce structure response to earth vibrations by actively creating an equal but opposite force to that of the first mode force of the structure. While earthquake forces are generally considered to be unpredictable, the short-term predictions by the proposed neurocontrol architecture significantly reduce structure vibrations. To demonstrate its general applicability and utility to future earthquakes, the proposed adaptation algorithm is also shown to be asymptotically convergent. The approach is validated by several simulations in which actual time series from the Hachino, Northridge, Kobe, and Bam earthquakes are applied against structures of various heights, three-, five-, and seven-story structures. The simulation results are then compared with those of a conventional linear quadratic regulator. Results indicate a significant and consistent improvement in minimal structure displacement.

Keywords

Structure control; Active control; Modal analysis; Neural networks; Earthquakes;
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@article{paperid:1012707,
author = {Rezaiee Pajand, Mohaamad and Akbarzadeh Totonchi, Mohammad Reza and Nikdel, ALI},
title = {Direct Adaptive Neurocontrol of Structures under Earth Vibration},
journal = {Journal of Computing in Civil Engineering},
year = {2009},
volume = {23},
number = {5},
month = {September},
issn = {0887-3801},
pages = {299--307},
numpages = {8},
keywords = {Structure control; Active control; Modal analysis; Neural networks; Earthquakes; Vibration},
}

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%0 Journal Article
%T Direct Adaptive Neurocontrol of Structures under Earth Vibration
%A Rezaiee Pajand, Mohaamad
%A Akbarzadeh Totonchi, Mohammad Reza
%A Nikdel, ALI
%J Journal of Computing in Civil Engineering
%@ 0887-3801
%D 2009

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