3D positioning using spherical location algorithms for networked wireless sensors deployed in grain

Parkinson, G.; Boon, M.C.; Davis, J. G.; Sloan, R.

doi:10.1109/mwsym.2009.5165972

Cited by 5 publications

(2 citation statements)

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“…Find X and Z coordinates using the receiving antenna coordinates, X(i) and Z(i), corresponding to minimum value in D, X transmit =X(J(1)), Z transmit =Z(J(1)) 6. Use X transmit and Z transmit and the respective distance difference minima, in (6), to calculate the Y coordinates of the transmitting node The accuracy of the localisation method was examined using the same experimental setup (Fig.1) presented in [4]- [6] and in [10]. A transmitting node was placed at sixteen different positions (maximum depth at 1m) inside the testing vessel (positions measured manually) thus providing sixteen position estimates out of the empirical method.…”

Section: Empirical Localisation Algorithmmentioning

confidence: 99%

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Empirical localisation method for wireless sensor nodes in confined industrial processes

Antoniou

Green

2013

2013 10th Workshop on Positioning, Navigation and Communication (WPNC)

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This paper is concerned with a novel localisation method for wireless sensors, immersed within vessels, to monitor process dynamics. The empirical localisation technique is based on Time Difference of Arrival measurements taken on a plane located above the process vessel. Certain properties of the Time Difference of Arrival profiles converted into Distance Difference profiles, are proved mathematically. These properties form the basis of a new localisation method, which, on the basis of experimental measurements, have shown to achieve localisation accuracies up to 15cm.

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Section: Empirical Localisation Algorithmmentioning

confidence: 99%

“…The ultimate aim of using WSNs in grain silos [4]- [6] was to support the measurements of parameters such as temperature and moisture taken by sensor nodes distributed in an ad hoc manner. Recorded parameters could improve the overall understanding of the storage conditions throughout the silo.…”

Section: Introductionmentioning

confidence: 99%