Electro-optical system for measuring dynamic response of tower structures
Abstract
A laser-based displacement measurement package is being developed as a tool for continuous, remote monitoring of the dynamic response of slender, very low frequency (VLF) antenna towers. The displacement monitor is designed for use where instrumentation cables are prohibitive due to intense electric fields. The system has been tested on antenna towers 380 meters in height to obtain biaxial displacement with a single sensor. Examples of results are presented with comparisons from velocity gages and accelerometers.
- Publication:
-
Verein Deutscher Ingenieure, Internationale Konferenz ueber experimentelle Spannungsanalyse, 6th
- Pub Date:
- 1978
- Bibcode:
- 1978vdii.conf..367W
- Keywords:
-
- Displacement Measurement;
- Dynamic Response;
- Electro-Optics;
- Laser Applications;
- Optical Measuring Instruments;
- Radio Antennas;
- Towers;
- Position (Location);
- Retroreflection;
- Slender Bodies;
- Very Low Frequencies;
- Instrumentation and Photography