Characterising a PCB electrical conductivity sensor using electromagnetic simulation and a genetic algorithm

Measuring electrical conductivity makes it possible to determine the concentration of dissolved ionic compounds in the water. Presented is a sensor developed for easily measuring the electrical conductivity of aqueous solutions. This sensor is comprised of two planar electrodes integrated onto a pri...

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Published inIET science, measurement & technology Vol. 11; no. 6; pp. 761 - 765
Main Authors Werner, Frank T, Dean, Robert N
Format Journal Article
LanguageEnglish
Published The Institution of Engineering and Technology 01.09.2017
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ISSN1751-8822
1751-8830
DOI10.1049/iet-smt.2016.0489

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Abstract Measuring electrical conductivity makes it possible to determine the concentration of dissolved ionic compounds in the water. Presented is a sensor developed for easily measuring the electrical conductivity of aqueous solutions. This sensor is comprised of two planar electrodes integrated onto a printed circuit board (PCB). PCB technology enables this sensor to be manufactured at high volumes for a modest cost. However, when the sensor is integrated into a PCB, it becomes difficult to analytically determine the influence the dimensions of the sensor's electrodes have on its measurements. In this research, a genetic algorithm was used to derive an equation predicting the behaviour of a PCB sensor with any reasonable electrode dimensions. Afterwards, the accuracy of this equation was evaluated by comparing its predictions to the measurements taken using actual sensors.
AbstractList Measuring electrical conductivity makes it possible to determine the concentration of dissolved ionic compounds in the water. Presented is a sensor developed for easily measuring the electrical conductivity of aqueous solutions. This sensor is comprised of two planar electrodes integrated onto a printed circuit board (PCB). PCB technology enables this sensor to be manufactured at high volumes for a modest cost. However, when the sensor is integrated into a PCB, it becomes difficult to analytically determine the influence the dimensions of the sensor's electrodes have on its measurements. In this research, a genetic algorithm was used to derive an equation predicting the behaviour of a PCB sensor with any reasonable electrode dimensions. Afterwards, the accuracy of this equation was evaluated by comparing its predictions to the measurements taken using actual sensors.
Author Werner, Frank T
Dean, Robert N
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CitedBy_id crossref_primary_10_1109_LSENS_2023_3237419
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crossref_primary_10_1109_JSEN_2019_2940159
crossref_primary_10_3390_mi13030460
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Keywords genetic algorithm
electrodes
PCB electrical conductivity sensor
printed circuits
printed circuit board
genetic algorithms
electromagnetic simulation
dissolved ionic compound
electrical conductivity measurement
electric sensing devices
planar electrode
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Snippet Measuring electrical conductivity makes it possible to determine the concentration of dissolved ionic compounds in the water. Presented is a sensor developed...
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StartPage 761
SubjectTerms dissolved ionic compound
electric sensing devices
electrical conductivity measurement
electrodes
electromagnetic simulation
genetic algorithm
genetic algorithms
PCB electrical conductivity sensor
planar electrode
printed circuit board
printed circuits
Research Article
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Title Characterising a PCB electrical conductivity sensor using electromagnetic simulation and a genetic algorithm
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