NDLI: Inverse boundary value problems with uncertain boundary values and their relevance to inclinometer measurements

Content Provider	IEEE Xplore Digital Library
Author	O'Leary, P. Harker, M.
Copyright Year	2014
Description	Author affiliation: Inst. for Autom., Univ. of Leoben, Leoben, Austria (O'Leary, P.; Harker, M.)
Abstract	This paper presents the theoretical background for a new measurement system for the monitoring of possible road subsidence and its verification with experimental results. A combination of theodolite measurements and inclinometers are used to perform the monitoring of possible land subsidence. The aim is to detect ground motion near critical infrastructure during excavation is the vicinity. The required computation corresponds to an inverse boundary value problem with uncertain boundary values. The solution is formulated as a covariance weighted Hermite approximation problem. Additionally, a method of taking advantage of the properties of the over-constrained system to identify a defective sensor is presented. The correct functionality of the proposed method and its performance in terms of uncertainty is demonstrated with a Monte Carlo simulation. Additionally, tests were performed with a real monitoring system with reference measurements. The correct functionality of the measurement system was verified.
Starting Page	165
Ending Page	169
File Size	794576
Page Count	5
File Format	PDF
ISBN	9781467363860
DOI	10.1109/I2MTC.2014.6860725
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-12
Publisher Place	Uruguay
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement uncertainty Weight measurement Roads Rotation measurement Monitoring Positron emission tomography Bridges
Content Type	Text
Resource Type	Article

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