On the possibility of UAV-mounted LDVS for response-only dynamic characterisation of remote infrastructure
- Publication Type:
- Conference Proceeding
- Citation:
- 8th IOMAC - International Operational Modal Analysis Conference, Proceedings, 2019, pp. 547 - 551
- Issue Date:
- 2019-01-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Paper77Halkon.pdf | Accepted Manuscript version | 1.94 MB |
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© 2019 International Group of Operational Modal Analysis. Laser Doppler vibrometers are technically well suited to general application but they offer special benefits in a variety of challenging measurement scenarios which are now well documented and accepted. An interesting and potentially powerful example of such a challenging measurement scenario is one where the laser vibrometer is mounted on/in an unmanned aerial vehicle in order that autonomous measurement campaigns can be undertaken in remote and/or harsh environments. One important challenge to overcome in such a scenario is the measurement sensitivity to vibration of the instrument itself or indeed of any steering optics used to point the probe laser beam toward the target of interest. In this paper, recently reported means by which this measurement sensitivity can be rectified by simultaneously obtained correction measurements will be described. Specifically, this development opens up the possibility of laser Doppler vibrometry from unmanned aerial vehicles for response-only dynamic assessment of remote infrastructure, a measurement challenge of significant potential value.
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