Portable Ambient Vibration Monitoring System

Quick Facts
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Challenge
Provide a portable, battery-operated monitoring system capable of capturing ambient vibrations under natural operating conditions without requiring external excitation, while serving both educational and engineering research needs.
Solution
The deployment was based on the xDAS Ambient system, consisting of:
- 8 xWave Ambient triaxial accelerometers (32-bit, 0.7 µg/√Hz) for high-sensitivity vibration monitoring.
- 2 xNet Ambient modules for extended sensor integration and connectivity.
- xPlorer Ambient with Voyager software as the central acquisition and processing module.
- Carry Box, making the system fully portable and battery-operated for use in both laboratory environments and field deployments.
The system captures ambient vibrations without the need for artificial excitation, and wireless data transmission ensures seamless access to measurements on PCs, tablets, or smartphones.
Outcomes
The collected datasets are analyzed using the Observer software suite, applying Operational Modal Analysis (OMA) to extract modal properties such as natural frequencies, damping ratios, and mode shapes. This deployment enables UBC to:
- Advance academic research in vibration monitoring and structural dynamics.
- Provide students with hands-on training in state-of-the-art SHM technologies.
- Conduct inspection and validation campaigns on both laboratory models and real-world structures.
Benefit from a portable, scalable system that bridges educational goals with applied engineering practice.
Tech Stack
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KPIs / Results
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