Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Sebastian Chruscicki"'
Publikováno v:
Sensors, Vol 22, Iss 9, p 3434 (2022)
Although distributed fiber sensing techniques have been widely used in structural health monitoring, the measurement results of bridge monitoring, particularly under destructive testing, have rarely been reported. To the best of our knowledge, this p
Externí odkaz:
https://doaj.org/article/cc3017815e234fa2a0854d3a62a235d9
Autor:
Stefan Kowarik, Maria-Teresa Hussels, Sebastian Chruscicki, Sven Münzenberger, Andy Lämmerhirt, Patrick Pohl, Max Schubert
Publikováno v:
Sensors, Vol 20, Iss 2, p 450 (2020)
Distributed acoustic sensing (DAS) over tens of kilometers of fiber optic cables is well-suited for monitoring extended railway infrastructures. As DAS produces large, noisy datasets, it is important to optimize algorithms for precise tracking of tra
Externí odkaz:
https://doaj.org/article/7d8f27f4903c4b54aa4332c6aa722341
Publikováno v:
Sensors, Vol 19, Iss 19, p 4114 (2019)
We present results demonstrating several beneficial effects on distributed fiber optic vibration sensing (DVS) functionality and performance resulting from utilizing standard single mode optical fiber (SMF) with femtosecond laser-inscribed equally-sp
Externí odkaz:
https://doaj.org/article/ef3d97e4254e4982aa8369c9e38a7f29
Autor:
Maria-Teresa Hussels, Sebastian Chruscicki, Detlef Arndt, Swen Scheider, Jens Prager, Tobias Homann, Abdel Karim Habib
Publikováno v:
Sensors, Vol 19, Iss 15, p 3322 (2019)
Pipe integrity is a central concern regarding technical safety, availability, and environmental compliance of industrial plants and pipelines. A condition monitoring system that detects and localizes threats in pipes prior to occurrence of actual str
Externí odkaz:
https://doaj.org/article/aef57ea95ebe4aae9de654e1666e3fbf
Autor:
Pavol Stajanca, Sebastian Chruscicki, Tobias Homann, Stefan Seifert, Dirk Schmidt, Abdelkarim Habib
Publikováno v:
Sensors, Vol 18, Iss 9, p 2841 (2018)
In the presented work, the potential of fiber-optic distributed acoustic sensing (DAS) for detection of small gas pipeline leaks (
Externí odkaz:
https://doaj.org/article/8436b974f7cd45a4b1d743437b76b18d
Publikováno v:
27th International Conference on Optical Fiber Sensors.
Results of DAS measurements along a large-scale concrete bridge model are presented. The improvement of measurable dynamic strain range is demonstrated. Vibration modes obtained by DAS correspond well to those determined from broadband seismometer me
Autor:
Marcus Schukar, Sebastian Chruscicki, Konstantin Hicke, Max Schubert, Mathias Breithaupt, Stefan Kowarik, Patrick Pohl, Andy Lämmerhirt
Publikováno v:
Optical Fiber Sensors Conference 2020 Special Edition.
We use distributed acoustic sensing to determine the velocity of trains from train vibration patterns using artificial neural network and conventional algorithms. The velocity uncertainty depends on track conditions, train type and velocity.
Publikováno v:
EAGE GeoTech 2021 Second EAGE Workshop on Distributed Fibre Optic Sensing.
The feasibility of traffic monitoring along a major urban road using Distributed Acoustic Sensing (DAS) is demonstrated. We present measurement results of conventional intensity-based DAS along a dark fiber in a tubed fiber optic cable buried roadsid
Publikováno v:
Seventh European Workshop on Optical Fibre Sensors.
We present a technique for distributed temperature gradient sensing in real-time along an optical fiber utilizing simple amplitude-based direct-detection coherent optical time domain reflectometry (C-OTDR) and a special sensing fiber. Our technique e
Autor:
Dirk Schmidt, Stefan Seifert, Pavol Stajanca, Tobias Homann, Abdel Karim Habib, Sebastian Chruscicki
Publikováno v:
Sensors
Volume 18
Issue 9
Sensors (Basel, Switzerland)
Sensors, Vol 18, Iss 9, p 2841 (2018)
Volume 18
Issue 9
Sensors (Basel, Switzerland)
Sensors, Vol 18, Iss 9, p 2841 (2018)
In the presented work, the potential of fiber-optic distributed acoustic sensing (DAS) for detection of small gas pipeline leaks (<
1%) is investigated. Helical wrapping of the sensing fiber directly around the pipeline is used to increase the
1%) is investigated. Helical wrapping of the sensing fiber directly around the pipeline is used to increase the