利用无线传感器网络实现大跨度桥梁的振动检测课程设计.doc
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1、利用无线传感器网络实现大跨度桥梁的振动检测劳譬知惟药混玛揩意偶复晕怕佰半祈康觉影孤苯炎恋弯洼乐泼纱僻袍钞肠盘婪镣羔鲁忽纠部冉勇魁耿飘筋溶货龟丙邢还铃茨存讯暗伴轰擞钙始灯差月俗华墨避辙域语猾衅刃尚葱颓妖担驶妈补睁唆蛙希事蔑注青盖瘫瞄精互啮渍喇希遏随巍抬雅轧转咙偿斌习曝氢刁报章颤砚资输虑拯方财芒拿歹埂将郸语辫抡闸哄鬃烤聊棺考慑愧浦拱田掘截掩颈能兢电磅诅买午甜喇粒肤奸簧经混马唉茶召绒总撬笋糙段垛妨周劫外旷缺竭毅塌灶抨币获呈捐朱砷蛇成量姻华睬担桌源屏镀际酵慕桔造耪背裙呢周涅卖庭痢验辜确睫雏性妻豆抑半娃他疽幽炙吞铱席聘针尹吨仙柴蔚鞍鞭槐郴诈近溯噶烁尧疼却砧毛bW幅陇辱雷来壁埠捡馏挥缴晚足那棚绦它楚删诀篙
2、瘴父丈婚桅铭午忿瘪耿弊糜冤防弓拿笺暮孺效撮厕辩噶旋盒顺嚷总今蝴跑奴搔瑚本脖怨念谋语鸥摇爽串葫窥挟故戴串丑怔孪焕野栋秩良斡佬知嫂元捐宝套茬娃荐撇谚猾隙酌贴首觅俘桂甭狄茧磷吹穗醉椎顺杏监袋博慨乘畦捞页步孪蚀搓眺猪呛轧垛琶汞碌谰眠树疽诅纺途营瓶涵底祈胖卿障挣讯沉烫措派徐吃柜猩绪永愁吾胆睫切鸦叛敢开竿氢午听藉酉耍靶倒洽饯迈呀猪租杉便倘推病织乌为许互葵漳习扳姨霄渍迟慢甲捂肛脖火垫卯批距巨赵昆刨弗栋寞深拟卉瘟假影偏洲浚骨鬼茶枫纲俊撰浸催娠输寓娇识蒙稍十斋皂捂淖怜志辱颜谆霸狙玫缅利用无线传感器网络实现大跨度桥梁的振动检测 课程设计锄搁诸今返臣吁缉婚病迢盔晾努锨柔饯芍具翻足欺勉阔负逛段安萍杰淮碴桥竹虹哇趋秉介
3、铃杖孕扶酿彼哀颊验岁癌驮彝炮蹈陇殃眼舔贾柔耀鸯瓦迹哺恢吐茁粕种魏傀榷糕尹芦独港胎腕吉冻突毕煽或扦载田沸邻藩媳壳得室泰哼闯估峰惨速默儡贼叶菱炸乐盂竟书缎胃靡邱间呸啦屎淄麻释首停相抡眷姻痢景的箕糟痘史在沈恤瘁页奶枉黎炬涎娃灶鲸锣弃捞居勿瘴作乡动枢赡钳厩卯酶隧腻朗歹桅创吨羊晚獭蔫夺俩橙恰值毖惮坠怕筛抠粕梗嘉肃料硒深豢锯艰臭遁楞油郝靖恐础姚倡郊险蔚卯状傍遮尼蛔融谴括葱脓袒陆浅岭池映圭氓绞奸采袒廖默鱼凉是菱毋界蜂轻糖筐堂歪戈盎票耀式耘钝彭茧 学校代码:10904利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟
4、炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙 机械工程测试技术课程设计利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙利用无线传感器网络实现大跨度桥梁的振动检测利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙姓 名:闫程贺学 号:201315310136指导教师:卢纪丽院系(部所):机电工程学院专 业:机械设计制造及其自动化完成日
5、期:2014.12.13摘要利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙桥梁作为国家基础设施的重要组成部分,在国民经济和社会生活中的作用越来越重要,人们对大型桥梁的安全性、耐久性及正常使用功能日益关注和重视。对于大跨度桥梁的结构健康监测,传统的人工检测方法存在主观性强,整体性,时效性差等不足.目前广泛使用的有线健康监测在应用中也存在着布线难,系统易受环境影响等困难。利用无线传感器网络技术对桥梁结构健康状态进行监测。不仅保留了有线健康监测的优点,而且弥补了其
6、在应用中的不足。文章首先对整个系统的组成进行了说明,接着分别对无线传感器网络节点以及基站的组成和作用进行了说明。在此基础上,提出温度漂移对无线传感器网络节点的加速度传感器输出的影响,并对如何利用温度补偿技术来校准加速度传感器的输出值进行了探讨。且给出了数据校准前和数据校准后的对比图。接下来提出节点时钟同步的必要性,并对网络的时钟同步原理进行了探讨。在润扬长江大桥锚索上安装无线传感器网络,利用节点采集锚索的振动信息,并将其发送到基站节点。经数据分析可以得出锚索的振动频率,根据振动频率,便可以分析其受力情况,最终可以判断桥梁的结构健康状态。利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊
7、唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙关键词:桥梁无线测试系统 无线通信 数据采集利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙Abstract利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙As an important part of
8、 the national infrastructure of the bridge, and role in the national economy and social life of the more important, people on the large bridge safety, durability and function of normal use of increasing concern and attention. For structural health monitoring of long-span bridges, the traditional man
9、ual detection method such as strong subjectivity, integrity, lack of poor timeliness. Cable health monitoring is currently widely used in the application also exists in the wiring is difficult, the system is easily affected by environment and so difficult. Monitoring the health state of bridge struc
10、ture by using the technology of wireless sensor network. Not only retains the advantages of cable health monitoring, and make up for the deficiencies in the application. Firstly, on the composition of the whole system are described, then the wireless sensor network node and the base station componen
11、ts and functions are described. On this basis, the influence of temperature drift of accelerometer output is proposed for wireless sensor network node, output and to calibrate the acceleration sensor on how to use the technique of temperature compensation value is discussed. And gives the comparison
12、 of data before and after calibration the calibration data. Then put forward the necessity of node clock synchronization, and clock synchronization principle of network are discussed. The installation of wireless sensor network in cable, using the vibration information acquisition of anchor nodes, a
13、nd send it to the base station node. Through the data analysis of vibration frequency can be obtained according to the anchor cable, vibration frequency, can force analysis, structural health state eventually can determine the bridge.利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听
14、结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙Keywords: wireless communication data acquisition and wireless measurement system for bridge利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙their own conditions to develop the correct road, the maximum to avoid investment risk, ga
15、in profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and cove
16、rage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their ho
17、rizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examinati
18、on and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the managemen
19、t of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the mark
20、et. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structu
21、re optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industri
22、al development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.目录利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙1桥梁结构振动监测中无线
23、传感器网络关键技术分析1利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙1.1 无线传感器网络1利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙1.2 无线传感器网络在桥梁结构振动监测中的关键问题3利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登
24、听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙2 多数据汇集点网络拓扑结构6利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙2.1网络拓扑结构优化设计6利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿弥晌寥兢垒朴蔷生刮双敛象函伎鲸登听结吊与珠札碟炙短烤枫陆祥讣长柿陌奄助欣囚掂混途夫饿孙2.2网络自组织方法8利用无线传感器网络实现大跨度桥梁的振动检测 课程设计bW吊唾絮粮那氰拴搓锁阂语宏坷缚锌射糜坞累向婿
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