Inclify blog

Practical knowledge about structural monitoring

Sensors, safety thresholds, measurement interpretation and asset maintenance, written by a team that has built monitoring systems for 15 years.

Hybrid systems: point sensors and DFOS fibre-optic measurements

Point sensors show what is happening to a structure over time. DFOS fibre optics show exactly where. We explain how to combine both techniques into a hybrid system, when it pays off, how the DFOS session trigger works, and where this approach ends.

  • Two questions that one sensor type cannot answer
  • Point sensors: automation and early warning
  • DFOS: geometrically continuous measurement and crack detection
  • How to combine them: division of roles and trigger
  • Five arguments for a hybrid system
  • Which assets
  • Examples described in the literature
  • Limitations we discuss at the first meeting
Read article 21 min read

Vibrating wire sensors: why they are still the standard

A vibrating wire sensor measures the frequency of a tensioned wire, not voltage or resistance. That is why it can still deliver reliable readings after decades in concrete. Learn the operating principle, temperature compensation, drift, calibration debt, the 20-year case, and comparison with MEMS and fibre optics.

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More from the blog

More articles

How to connect existing loggers and sensors to an online platform

The sensors and loggers stay in place, only the software changes. We show three ways to connect an existing measurement system to an online platform, seven data contract fields, a parallel pilot plan that preserves history, and six pitfalls that corrupt data during migration.

Read more → 21 min

Sensor reading error: cause tree and tests

A spike on the chart can come from the structure, the sensor, the cable, time, the formula, or the reference. This procedure leads from the cheapest data tests to field verification.

Read more → 12 min

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