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Sensors 2015, 15(5), 10806-10824; doi:10.3390/s150510806

POIS, a Low Cost Tilt and Position Sensor: Design and First Tests

1
Civil Engineering Department, University of Calabria, Via Bucci Cubo 45B, 87036 Rende, Italy
2
Department of Informatics, Modeling, Electronic and System Engineering—DIMES, University of Calabria, Via P. Bucci Cubo 42C, 87036 Rende, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 1 February 2015 / Revised: 24 April 2015 / Accepted: 28 April 2015 / Published: 7 May 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [4438 KB, uploaded 7 May 2015]   |  

Abstract

An integrated sensor for the measurement and monitoring of position and inclination, characterized by low cost, small size and low weight, has been designed, realized and calibrated at the Geomatics Lab of the University of Calabria. The design of the prototype, devoted to the monitoring of landslides and structures, was aiming at realizing a fully automated monitoring instrument, able to send the data acquired periodically or upon request by a control center through a bidirectional transmission protocol. The sensor can be released with different accuracy and range of measurement, by choosing bubble vials with different characteristics. The instrument is provided with a computer, which can be programmed so as to independently perform the processing of the data collected by a single sensor or a by a sensor network, and to transmit, consequently, alert signals if the thresholds determined by the monitoring center are exceeded. The bidirectional transmission also allows the users to vary the set of the monitoring parameters (time of acquisition, duration of satellite acquisitions, thresholds for the observed data). In the paper, hardware and software of the sensor are described, along with the calibration, the results of laboratory tests and of the first in field acquisitions. View Full-Text
Keywords: tilt sensor; optoelectronic level; GNSS; wireless; landslide monitoring; structure monitoring tilt sensor; optoelectronic level; GNSS; wireless; landslide monitoring; structure monitoring
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Artese, G.; Perrelli, M.; Artese, S.; Meduri, S.; Brogno, N. POIS, a Low Cost Tilt and Position Sensor: Design and First Tests. Sensors 2015, 15, 10806-10824.

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