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A sensor system for building structure safety monitoring

A sensor and sensor node technology, applied in the field of sensor systems, can solve the problems of meaningless data and difficulty in organizing sensor sensing data.

Inactive Publication Date: 2016-09-07
BEIJING UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the passage of monitoring time and the increase in the amount of sensing data, there are greater difficulties in the management of sensors and the organization of sensing data
For the sensing data collected by the sensor, if there is no application background information such as sensor information and measuring point information, the data will also make the data meaningless

Method used

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  • A sensor system for building structure safety monitoring
  • A sensor system for building structure safety monitoring
  • A sensor system for building structure safety monitoring

Examples

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Embodiment Construction

[0026] Take a strain sensor as an example to illustrate the establishment of the sensor information semantic module. The strain sensor was produced by P Company on April 1, 2012. The sensitivity is 1000εμ / V, the measurement range is (-5000~+5000)εμ, and the factory number is 12345, the output voltage value, its RDF diagram is as follows Figure 4 shown. The resources on the network are represented by elliptical nodes, the square nodes represent text (value), and the directed edges represent the relationship between resources or between resources and text (value). Among them, Sensor-1 is the record number of the sensor semantic module. Different sensor information semantic modules are distinguished by this number. This number can be specified arbitrarily, but its uniqueness in the entire system must be guaranteed. The monitoring center server provides the unified name space (NameSpace) prefix of the system as NS.

[0027] NS:Sensor-1 is used to indicate the URI reference of t...

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Abstract

The invention proposes a sensor semantic system including sensor nodes, a local-area network, a monitoring-center server, the Internet and a text-message alarm module. The sensor nodes are arranged on parts to be detected and connected with the monitoring-center server through the local-area network. A built-in web server of the monitoring-center server provides data services or sends forewarning information to remote users through the Internet and forewarning text messages can also be sent through the text-message alarm module. The system is characterized in that the sensor nodes include a sensor information semantic module, a detected-point information semantic module and a sensed-data semantic module and the three semantic modules are associated through attributes and add a semantic background for data output by the sensor. An RDF (Resource Description Framework) is used to describe the three semantic modules and sensor information, detected-point information and sensed data are defined as resources on networks through a URI (Universal Resource Identifier). The sensed-data semantic module carries out semantic annotation on data so that semantic data are formed and then stored. When a storage space exceeds a limit, data saved at earliest time are covered automatically and at the same time, the semantic data are submitted to the monitoring-center server through a server interface module.

Description

technical field [0001] The invention relates to a sensor system for monitoring, in particular to a sensor system for building structure safety monitoring. Background technique [0002] With the rapid development of the national economy, real-time safety monitoring of buildings, bridges, tunnels and other infrastructure structures is of great significance for ensuring their normal operation and preventing major public safety accidents caused by structural disasters. The building structure safety monitoring system has become an important technical means to accomplish this task. The system integrates knowledge in multiple fields such as sensor technology, signal testing technology, and data transmission technology. It can test, store, and monitor various information of building structures. Continuous and real-time monitoring of the state of the building to strengthen the management level of building maintenance, ensure the reliability, safety and durability of the building stru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 王海渊黄智生钟宁
Owner BEIJING UNIV OF TECH
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