桥梁结构健康监测

Dewesoft 数据采集系统广泛应用于桥梁结构健康监测与地震监测项目，涵盖从结构力学测试到大型复杂桥梁的长期连续监测。

桥梁监测系统支持分布式部署、高通道数量以及远程监控，适用于高速公路立交桥、公路桥梁、建筑结构和大型桥梁。Dewesoft 提供从数据采集系统、数据记录仪到传感器与监测软件的完整解决方案。

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桥梁监测仪器

传感器 Sensors

加速度与倾角测量
Dewesoft IOLITEicw-3xMEMS-ACC-INC 三轴 MEMS 加速度计与静态倾角仪，EtherCAT 接口，8 g 测量范围。

位移测量
Dewesoft IOLITEicw-3xMEMS-ACC 三轴 MEMS 加速度计，通过两次积分实现高精度位移测量。

静态应变测量
嵌入式振弦应变计，用于混凝土结构内部静态应变长期监测。

一体化气象站
测量参数包括：相对湿度、温度、风速与风向、光照和黄昏亮度。

动态应变计
螺栓安装式动态应变计，用于结构表面动态应变测量。

IOLITEicw-3xMEMS-ACC
三轴 MEMS 加速度计，EtherCAT 接口，8 g 测量范围。

沥青温度测量，腐蚀传感器，空气温湿度测量。

数据采集设备 DAQ devices

IOLITE 分布式数据采集系统
支持从单通道到多通道配置，可采集加速度计、动态应变计、热电偶、RTD 、气象站

和电位计等。

VW 无线数据记录仪，用于振弦传感器数据采集。

OBSIDIAN 数据采集系统是嵌入式数据采集与数据记录一体化设备。

系统架构

Dewesoft 数据采集系统提供丰富的模拟与数字输入，支持几乎所有第三方结构健康监测传感器。

所有 EtherCAT 兼容设备包括：IOLITE 、IOLITEicw 、KRYPTON 均可连接至同一网络，通过单根电缆实现供电、同步和数据传输。

系统特点：同步精度：1 μs 、节点距离：最长 100 m ，通道数量：理论无限扩展。

原始数据由运行 DewesoftX 软件的测量单元采集处理，并通过 TCP/IP 网络发送至本地服务器、工厂服务器和云端数据库，数据可通过以下接口提供OPC UA 、XCP 、SCADA 系统和云平台，完全支持工业4.0 应用。

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模态分析

桥梁长期承受以下载荷：交通载荷、风载荷、温度变化和环境影响，理解桥梁动态特性对于安全评估至关重要。

Dewesoft 提供完整桥梁模态分析方案：OMA 运行模态分析、EMA 实验模态分析和ODS 工作变形分析。

OMA 运行模态分析

OMA 适用于真实运行环境下的桥梁监测，无需人工激励。

通过测量：交通载荷响应风载响应和环境激励，ARTeMIS OMA 软件可提取固有频率、阻尼比和模态振型，相比 ODS，OMA 去除了外部激励影响，提供更客观模态信息，用于早期结构损伤检测。

EMA 实验模态分析

EMA 通过激振器或冲击锤对桥梁进行激励测量输入力和测量结构响应，应用数值模型验证、结构弱点识别和设计优化，Dewesoft 同步 DAQ 系统确保高精度测量。

ODS 工作变形分析

ODS 用于可视化桥梁运行时结构运动：振动测量、变形可视化和共振识别。
ODS 可识别过度振动区域、共振问题和结构薄弱点。
ODS 与 OMA、EMA 互补使用。

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远程数据监控与存储

DewesoftX 提供灵活数据流配置，数据可存储：本地设备、远程服务器和云端数据库。

支持接口：OPC UA 、TCP/IP 、数据库和云平台，支持无限监控客户端、实时数据查看，无额外授权费用。

远程数据监控与存储

DewesoftX 提供灵活数据流配置，数据可存储：本地设备、远程服务器和云端数据库。

支持接口：OPC UA 、TCP/IP 、数据库和云平台，支持无限监控客户端、实时数据查看，无额外授权费用。

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Dewesoft Historian 时序数据库

Historian 提供长期数据存储：

数据库位置：本地、远程服务器、云端，基于 InfluxDB 时序数据库。

功能包括：原始与压缩数据存储，原始数据保存在测量单元和云端保存长期压缩数据。

数据安全与重传通信中断时可本地缓存、自动重传、趋势分析。历史数据支持趋势分析、深度分析和故障根因分析。

结构监测应用

Dewesoft 结构监测系统适用于：桥梁健康监测、立交桥监测、大坝监测、施工过程监测和高层建筑监测。

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