PARAMETRIC METHODS FOR ECT INVERSE PROBLEM SOLUTION IN SOLID FLOW MONITORING
Andrzej Romanowski
androm@kis.p.lodz.plLodz University of Technology, Institute of Applied Computer Science (Poland)
Krzysztof Grudzień
Lodz University of Technology, Institute of Applied Computer Science (Poland)
Hela Garbaa
Lodz University of Technology, Institute of Applied Computer Science (Poland)
Lidia Jackowska-Strumiłło
Lodz University of Technology, Institute of Applied Computer Science (Poland)
Abstract
The article presents the parametrisation-based methods of monitoring of the process of gravitational silo discharging with aid of capacitance tomography techniques. Proposed methods cover probabilistic Bayes’ modelling, including spatial and temporal analysis and Markov chain Monte Carlo methods as well as process parametrisation with artificial neural networks. In contrast to classical image reconstruction-based methods, parametric modelling allows to omit this stage as well as abandon the associated reconstruction errors. Parametric modelling enables the direct analysis of significant parameters of investigated process that in turn results in easier incorporation into the control feedback loop. Presented examples are given for the gravitational flow of bulk solids in silos.
Keywords:
electrical capacitance tomography, tomography image processing, gravitational flow, granular materialReferences
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Authors
Andrzej Romanowskiandrom@kis.p.lodz.pl
Lodz University of Technology, Institute of Applied Computer Science Poland
Authors
Krzysztof GrudzieńLodz University of Technology, Institute of Applied Computer Science Poland
Authors
Hela GarbaaLodz University of Technology, Institute of Applied Computer Science Poland
Authors
Lidia Jackowska-StrumiłłoLodz University of Technology, Institute of Applied Computer Science Poland
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