基于WSN的橋梁結(jié)構(gòu)損傷監(jiān)測系統(tǒng)的研究
[Abstract]:With the increasing amount of national investment in the construction of bridge structures and the increasing attention to structural safety, structural damage monitoring technology has become a hot spot in the field of engineering at home and abroad. Structural damage monitoring system has also been widely used in large bridges. Because the traditional wired monitoring method needs a lot of wiring, it will increase the load of the monitoring object, and the maintenance work of the system in the later period is quite troublesome. Wireless sensor network (WSN) is used to implement sensor node deployment and networking, which can not only avoid the troublesome connection and environment damage, but also extend the distance of information transmission. By processing and analyzing the sensing information of the sensor, the damage situation of the structure can be obtained in time, and it is one of the best schemes to realize the on-line monitoring of the damage of the bridge structure. In this paper, according to the characteristics of multi-parameter automatic monitoring technology of bridge structure, a multi-channel damage monitoring system for pier structure based on WSN is designed by using the new wireless network technology. The main research work is as follows: (1) based on the analysis of the background and present situation of bridge structure damage monitoring, the application of WSN to the monitoring system is put forward. The wireless communication technology ZigBee is used to build the network of the system, and a two-layer wireless sensor network topology based on ZigBee is designed. (2) aiming at the diversity of the signals collected by bridge structure, a set of independent multi-channel sensor acquisition module is designed. The multi-channel design of this module can transmit different signals to a single WSN node at the same time. The WSN nodes, Sink nodes and gateway nodes of the system all adopt CC2530, a highly integrated RF transceiver module, which is developed by TI Company, as the core of data processing and wireless transceiver. Using the excellent RF performance of CC2530 and the industry standard to enhance the 8051MCU kernel to realize the multi-channel data processing and wireless communication function, it enhances the system's availability. (3) under the IAR development platform, The programming of the lower computer software is accomplished by using the high level language C, and the software program that meets the requirements of this paper is designed, including the program design of multi-channel sensor collection, wireless communication and serial communication. The host computer uses virtual instrument LabVIEW to develop the man-machine interface. The whole monitoring interface is divided into four parts: serial port operation, parameter setting, parameter display window, independent installation program, user management and node selection. Data storage and query, remote monitoring and other functions. (4) taking the substructure pier of the bridge as an example, simulating the impact of the vehicle against the pier, the dynamic impact damage monitoring test of the pier model is carried out. According to the characteristics of the dynamic response of the pier structure, the sensor elements are optimized and the structural stress, strain and displacement responses are collected. The data is sent to the gateway node through the wireless node step by step, and then sent to the host computer by serial communication mode. By analyzing the damage characteristic parameters of pier structure under different conditions, the damage condition of pier is determined by pattern recognition method.
【學(xué)位授予單位】:東北師范大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:U446;TN929.5;TP212.9
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 陳英;舒堅(jiān);陳宇斌;殷民;;無線傳感器網(wǎng)絡(luò)技術(shù)研究[J];傳感器與微系統(tǒng);2007年10期
2 王劍鋒,艾及熙;城市空間形態(tài)量化分析初探[J];重慶建筑;2004年S1期
3 蔡春麗;虛擬儀器技術(shù)及其軟件開發(fā)平臺(tái)LabVIEW[J];重慶職業(yè)技術(shù)學(xué)院學(xué)報(bào);2004年04期
4 邢鈞,吳蔚華;基于LabVIEW的衛(wèi)星數(shù)字電視機(jī)頂盒自動(dòng)測試系統(tǒng)的應(yīng)用[J];電視技術(shù);2003年11期
5 呂太國;劉子政;;基于LabVIEW的溫室參數(shù)遠(yuǎn)程監(jiān)測系統(tǒng)[J];中國農(nóng)機(jī)化;2010年02期
6 熊欣;陳映喜;;基于LabVIEW的風(fēng)光互補(bǔ)電源遠(yuǎn)程監(jiān)測研究[J];國外電子測量技術(shù);2012年09期
7 何慶偉;孫利民;劉俊濤;;無線傳感器網(wǎng)絡(luò)中的可靠傳輸研究[J];計(jì)算機(jī)科學(xué);2007年07期
8 李新;;基于CC2530的Zigbee網(wǎng)絡(luò)節(jié)點(diǎn)設(shè)計(jì)[J];可編程控制器與工廠自動(dòng)化;2011年03期
9 尚盈;袁慎芳;吳鍵;丁建偉;李耀曾;;基于無線傳感網(wǎng)絡(luò)的大型結(jié)構(gòu)健康監(jiān)測系統(tǒng)[J];數(shù)據(jù)采集與處理;2009年02期
10 張啟偉;大型橋梁健康監(jiān)測概念與監(jiān)測系統(tǒng)設(shè)計(jì)[J];同濟(jì)大學(xué)學(xué)報(bào)(自然科學(xué)版);2001年01期
本文編號(hào):2264125
本文鏈接:http://www.wukwdryxk.cn/kejilunwen/jiaotonggongchenglunwen/2264125.html