Intelligent control system design to suppress vibration in civil structure

In this project, an intelligent control system for the vibration suppression of linear base-isolated buildings excited by unknown earthquake disturbance will be presented. Using PID theory, we can show how a PID controller manipulates its gains to suppress the motion of the structure caused by the u...

Full description

Saved in:
Bibliographic Details
Main Author: Ng, Jin Bao.
Other Authors: Wang Jianliang
Format: Final Year Project
Language:English
Published: 2013
Subjects:
Online Access:http://hdl.handle.net/10356/55122
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Nanyang Technological University
Language: English
id sg-ntu-dr.10356-55122
record_format dspace
spelling sg-ntu-dr.10356-551222023-07-07T15:51:28Z Intelligent control system design to suppress vibration in civil structure Ng, Jin Bao. Wang Jianliang School of Electrical and Electronic Engineering Centre for Modelling and Control of Complex Systems Sundaram Suresh DRNTU::Engineering In this project, an intelligent control system for the vibration suppression of linear base-isolated buildings excited by unknown earthquake disturbance will be presented. Using PID theory, we can show how a PID controller manipulates its gains to suppress the motion of the structure caused by the unexpected earthquake disturbances. Following the PID control law of the linear parameters of the gains, we need to achieve a stable tuning on the PID controller for it to operate independently without external input at real times. The performance of the PID controller is evaluated on a full-fledged superstructure. Additional theories on nonlinear controller used on the interaction of the nonlinear base-isolated buildings will be elaborated too. Although PID controller does not give the best expected result to suppress the vibration of the earthquakes, it is one of the easiest controllers to study before proceeding to study on nonlinear controllers. Finally, the performance between the PID controller and one of the nonlinear controllers, namely the adaptive controller, will be compared. Nevertheless, the proposed adaptive controller is much better in controlling the vibration in the isolation layer for typical types of near-fault earthquakes even without compromising the base displacement or increasing the superstructure responses. Bachelor of Engineering 2013-12-19T01:22:59Z 2013-12-19T01:22:59Z 2012 2012 Final Year Project (FYP) http://hdl.handle.net/10356/55122 en Nanyang Technological University 66 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Ng, Jin Bao.
Intelligent control system design to suppress vibration in civil structure
description In this project, an intelligent control system for the vibration suppression of linear base-isolated buildings excited by unknown earthquake disturbance will be presented. Using PID theory, we can show how a PID controller manipulates its gains to suppress the motion of the structure caused by the unexpected earthquake disturbances. Following the PID control law of the linear parameters of the gains, we need to achieve a stable tuning on the PID controller for it to operate independently without external input at real times. The performance of the PID controller is evaluated on a full-fledged superstructure. Additional theories on nonlinear controller used on the interaction of the nonlinear base-isolated buildings will be elaborated too. Although PID controller does not give the best expected result to suppress the vibration of the earthquakes, it is one of the easiest controllers to study before proceeding to study on nonlinear controllers. Finally, the performance between the PID controller and one of the nonlinear controllers, namely the adaptive controller, will be compared. Nevertheless, the proposed adaptive controller is much better in controlling the vibration in the isolation layer for typical types of near-fault earthquakes even without compromising the base displacement or increasing the superstructure responses.
author2 Wang Jianliang
author_facet Wang Jianliang
Ng, Jin Bao.
format Final Year Project
author Ng, Jin Bao.
author_sort Ng, Jin Bao.
title Intelligent control system design to suppress vibration in civil structure
title_short Intelligent control system design to suppress vibration in civil structure
title_full Intelligent control system design to suppress vibration in civil structure
title_fullStr Intelligent control system design to suppress vibration in civil structure
title_full_unstemmed Intelligent control system design to suppress vibration in civil structure
title_sort intelligent control system design to suppress vibration in civil structure
publishDate 2013
url http://hdl.handle.net/10356/55122
_version_ 1772825617600872448