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http://dx.doi.org/10.11112/jksmi.2012.16.2.065

The Unified Wireless Control System for the Vibration Control of Bridge  

Heo, Gwang Hee (건양대학교 건설환경공학과)
Kim, Chung Gil (충남대학교 토목공학과)
Oh, Ju Won (한남대학교 건설시스템공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.16, no.2, 2012 , pp. 65-74 More about this Journal
Abstract
This paper aimed at the development of a unified wireless control system in order to control various forms of vibration of bridges. This unified wireless control system unified all different systems each of which functioned for difference purpose such as measurement, analysis, judgement, and control of data acquired from the movement of structure. It was designed to control structures with feedback which was returned according to each different situation after analyzing various signals measured about the structure. In this system, every information in each step from measurement to control was wirelessly transmitted to its central system so that a manager was able to effectively monitor the whole process. Just for the case when any system control need to intervene occurred, a graph user interface was designed for better access. In order to evaluate its basic performance, an experiment was carried out to see how signal input and output were done by comparing its results with those of a wired system. On the basis of the experiment, a vibration control experiment was performed on a model of cable-stayed bridge to see if the unified wireless control system worked well in realtime. This was carried out under four conditions, and the graph and quantitative result under each condition were compared each other. All experiments proved that the unified wireless control system functioned as well as the wired one in terms of its basic performance and vibration control.
Keywords
Wireless Control System; Vibration Control; Wireless Measurement; Feedback Control;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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