DocumentCode
751867
Title
A high-speed data acquisition system for ECT based on the differential sampling method
Author
Wang, Baoliang ; Ji, Haifeng ; Huang, Zhiyao ; Li, Haiqing
Author_Institution
Dept. of Control Sci. & Eng., Zhejiang Univ., Hangzhou, China
Volume
5
Issue
2
fYear
2005
fDate
4/1/2005 12:00:00 AM
Firstpage
308
Lastpage
312
Abstract
A new capacitance measuring circuit based on differential sampling methods for electrical capacitance tomography has been developed. The measured capacitance is only charged and discharged once and no noise is created by the measurement principle. A capacitance measurement system for 12 electrodes is constructed based on the new measurement circuit. Test results show the data acquisition time for 66 capacitances (for reconstructing one image) is less than 1.25 ms.
Keywords
capacitance measurement; data acquisition; measurement systems; tomography; capacitance measurement system; differential sampling methods; electrical capacitance tomography; high-speed data acquisition system; measurement circuit; sampling method; Capacitance measurement; Circuit noise; Circuit testing; Current measurement; Data acquisition; Electric variables measurement; Electrical capacitance tomography; Electrodes; Noise measurement; Sampling methods; Capacitance measurement; tomography;
fLanguage
English
Journal_Title
Sensors Journal, IEEE
Publisher
ieee
ISSN
1530-437X
Type
jour
DOI
10.1109/JSEN.2004.842627
Filename
1411811
Link To Document