Title

Developing a Sensor Network for Applications in Structural Health Monitoring

Format

SOECS Senior Project Demonstration

Faculty Mentor Name

Rahim Khoie

Faculty Mentor Department

School of Engineering and Computer Science

Abstract/Artist Statement

The bridge has always been one of man’s greatest advancements in transportation and many people now rely heavily on them in their everyday travels. The collapse of a bridge can be a catastrophic event that can cost millions of dollars to repair. Structural health monitoring is a technique used to prevent collapses by observing the bridge’s natural response to external forces and detecting any changes that might indicate damage. The purpose of the project is to develop a network of sensors designed to gather data necessary for structural health monitoring of a bridge. Two nodes on the bridge collect vibration data and wirelessly transmit the data to a computer for post transmission processing and display. Each node consists of a microprocessor which samples data from accelerometers in order to capture the vibration data. The nodes are powered by batteries that are recharged by solar cells. This type of sensor network allows early damage detection so repairs can be made before the bridge fails. The pro-active technique of structural health monitoring saves the time and money of rebuilding the entire bridge if damage were to go unnoticed.

Location

School of Engineering & Computer Science

Start Date

30-4-2011 2:00 PM

End Date

30-4-2011 3:30 PM

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Apr 30th, 2:00 PM Apr 30th, 3:30 PM

Developing a Sensor Network for Applications in Structural Health Monitoring

School of Engineering & Computer Science

The bridge has always been one of man’s greatest advancements in transportation and many people now rely heavily on them in their everyday travels. The collapse of a bridge can be a catastrophic event that can cost millions of dollars to repair. Structural health monitoring is a technique used to prevent collapses by observing the bridge’s natural response to external forces and detecting any changes that might indicate damage. The purpose of the project is to develop a network of sensors designed to gather data necessary for structural health monitoring of a bridge. Two nodes on the bridge collect vibration data and wirelessly transmit the data to a computer for post transmission processing and display. Each node consists of a microprocessor which samples data from accelerometers in order to capture the vibration data. The nodes are powered by batteries that are recharged by solar cells. This type of sensor network allows early damage detection so repairs can be made before the bridge fails. The pro-active technique of structural health monitoring saves the time and money of rebuilding the entire bridge if damage were to go unnoticed.