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[...] examples used by the civil engineers to explain the fundamentals of the dynamics of structures. In this work, this structure was also used as a tool to evaluate and understand the behaviour of the developed prototype for operational modal analysis of civil engineering structures. The laboratory specimen consists in an inverted wooden pendulum with 1.70 m height built specially for testing purposes in the civil engineering laboratory at the University [...]
[...] sample in a synchronized fashion multiple accelerometers placed at different locations in a structure and forward the data to a central station for later processing. The most relevant application requirements were identified as follows: - XYZ accelerometer (triaxial) - Max. measurement range: ± 1 g - Minimum sensitivity: 1 V/g - Typical resolution: 1 mg - Max. resolution: 50 µg - Frequency response, 3 dB: 0 - 100 Hz - Max. sampling rate: 100 Hz - Max. sampling drift between sensors : 10 ms - ADC resolution: 24 bits - 0% sample lost during [...]
Using Wireless Sensor Networks for Structural Health Monitoring Structural Health Monitoring (SHM) has long been identified as a prominent application of Wireless Sensor Networks (WSNs), as traditional wired-based solutions present some inherent limitations such as: Installation/maintenance cost : from experience, the installation time of a SHM system for bridges and buildings can consume over 75% of the total testing time, and the installation labour costs can approach well over [...]
[...] (Under the joint collaboration project on Monuments' Structural Monitoring (MSM) between CISTER-ISEP and ISISE-U. Minho) A Wireless Sensor Network Platform for Structural Health Monitoring: enabling accurate and synchronized measurements through COTS+custom-based design (Invited paper at the workshop "Applications [...]