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Proceedings Paper

Design of high-speed electrical capacitance tomography system
Author(s): Yanli Gao; Yonggao Zhang; Weidong Wang
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Paper Abstract

It is important to improve quality and rate of reconstruction image, which also is a hot spot for ECT researchers, in order to realize measurement on-line for multi-phase flow parameters of high-speed industry processes by using electrical capacitance tomography (ECT). In this paper, key issues in designing high-speed ECT system including algorithms and circuits (small capacitance measurement module, data acquisition control module and communication module) are analyzed and discussed. To a great extent, the speed of hardware circuit depends on the performance of small capacitance measurement circuit. This paper presented ac-based and active differential capacitance measuring circuits, which are suitable for rapidly ECT imaging. The real time performances and image reconstruction process of ECT system are discussed. Key technology and methods for high-speed ECT system are given in this paper.

Paper Details

Date Published: 8 June 2012
PDF: 6 pages
Proc. SPIE 8334, Fourth International Conference on Digital Image Processing (ICDIP 2012), 83343X (8 June 2012); doi: 10.1117/12.968547
Show Author Affiliations
Yanli Gao, East China Jiaotong Univ. (China)
Yonggao Zhang, East China Jiaotong Univ. (China)
Weidong Wang, Jiangxi Vocational and Technical College of Electricity (China)

Published in SPIE Proceedings Vol. 8334:
Fourth International Conference on Digital Image Processing (ICDIP 2012)
Mohamed Othman; Sukumar Senthilkumar; Xie Yi, Editor(s)

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