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Article

Wireless Measuring System for Monitoring the Condition of Devices Designed to Protect Line Structures †

by *,‡,§, ‡,§ and ‡,§
Department of Cybernetics and Biomedical Engineering, VSB-Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava, Czech Republic
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in Pies, M.; Hajovsky, R. Measurement System Development for Geotechnical Monitoring. In Proceedings of the 5th International Conference on Sensors Engineering and Electronics Instrumentation Advances (SEIA’ 2019), Tenerife, Spain, 25–27 September 2019.
Current address: Department of Cybernetics and Biomedical Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 17. listopadu 2172/15, 70800 Ostrava, Czech Republic.
§
These authors contributed equally to this work.
Sensors 2020, 20(9), 2512; https://doi.org/10.3390/s20092512
Received: 31 January 2020 / Revised: 24 April 2020 / Accepted: 24 April 2020 / Published: 29 April 2020
A large number of rock formations in the Czech Republic and abroad directly threaten to damage objects or traffic along the roads located beneath these formations. For this reason, many such rock formations are stabilized using protective fences or dynamic barriers. There are several special sensors available on the market. However, there is no comprehensive monitoring system, including remote threshold settings, data processing, and alarm conditions. This statement is supported by extensive research in this area as well as information from major geotechnical companies that are interested in such a system and want to include it in their portfolio. The aim of the article is to describe the unique wireless monitoring system used to measure the geotechnical quantities we have developed. The design and implementation of systems used to measure protective fence states with accelerometers and slope shift with load anchor cells are presented. Wireless accelerometric sensors and load anchor cell sensors are proposed for both systems. To transfer data from the accelerometer sensor to a superior system, IQRF® technology is applied for the communication between the wireless nodes and the network coordinator under the IQMESH topology. The article includes a detailed description of the development of the accelerometric wireless sensor node and load anchor cell wireless sensor node. Three case studies are also discussed. The first case study focuses on the data implementation and assessment at a testing polygon at the village of Málkov. The second case study describes the data implementation and an assessment of the measuring system under operating conditions in Zbraslav, a municipality near Prague. The third case study describes the implementation and assessment of data from load anchor cell wireless nodes installed in realistic conditions on a supporting gabion wall next to a road. All communication between the sensors and with the IQMESH network coordinator and database was executed wirelessly. The data were archived in a MySQL database and it provides a data source for the assessment and visualizations using the Grafana SW system. View Full-Text
Keywords: accelerometer sensor; data processing; IQRF®; IQMESH; load anchor cell; monitoring system; protective fence; wireless sensor network accelerometer sensor; data processing; IQRF®; IQMESH; load anchor cell; monitoring system; protective fence; wireless sensor network
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MDPI and ACS Style

Pieš, M.; Hájovský, R.; Velička, J. Wireless Measuring System for Monitoring the Condition of Devices Designed to Protect Line Structures. Sensors 2020, 20, 2512. https://doi.org/10.3390/s20092512

AMA Style

Pieš M, Hájovský R, Velička J. Wireless Measuring System for Monitoring the Condition of Devices Designed to Protect Line Structures. Sensors. 2020; 20(9):2512. https://doi.org/10.3390/s20092512

Chicago/Turabian Style

Pieš, Martin, Radovan Hájovský, and Jan Velička. 2020. "Wireless Measuring System for Monitoring the Condition of Devices Designed to Protect Line Structures" Sensors 20, no. 9: 2512. https://doi.org/10.3390/s20092512

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