| 高速电容层析成像系统的硬件关键技术研究 |
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| 引用本文： | 高彦丽,章勇高,聂水果,邵富群.高速电容层析成像系统的硬件关键技术研究[J].电测与仪表,2010,47(2). |
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| 作者姓名： | 高彦丽 章勇高 聂水果 邵富群 |
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| 作者单位： | 华东交通大学电气与电子工程学院,南昌,330013;国家知识产权局专利审查协作中心,北京,100190;东北大学信息与科学工程学院,沈阳,110006 |
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| 基金项目： | 国家自然科学基金资助项目(60374052);;江西省科技攻关项目(20061A0102200);;华东交通大学科研基金项目(07DQ04) |
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| 摘 要： | 如何提高电容层析成像系统数据采集率,使其能够满足高速流动过程成像的需求,一直都是学者们的研究热点。本文就ECT系统的微小电容测量电路、数据采集控制模块以及通信模块,分别讨论影响其实时性能的关键技术及目前的研究成果。论述了两种适用ECT系统的高速电容测量电路,重点分析了提高交流法微小电容测量电路的实时性能的方法,给出其高速工作模式及参数选择方法;同时总结了高速数据采集控制模块及通讯模块的关键设计技术,即控制器、测量控制方案及通讯方式的设计和选择。
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| 关 键 词： | 高速电容层析成像系统 数据采集 微小电容测量 通讯模块 |
Key Issues in Designing High-speed Hardware for Electrical Capacitance Tomography System |
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| GAO Yan-li,ZHANG Yong-gao,NIE Shui-guo,SHAO Fu-qun.Key Issues in Designing High-speed Hardware for Electrical Capacitance Tomography System[J].Electrical Measurement & Instrumentation,2010,47(2). |
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| Authors: | GAO Yan-li ZHANG Yong-gao NIE Shui-guo SHAO Fu-qun |
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| Affiliation: | 1.School of electrical and electronics;East China JiaoTong University;Nanchang 330013;China.2.Patent Examination Cooperation Center of SIPO;Beijing 100190;China.3.School of Information Science and Engineering;Northeasten University;Shenyang 110006;China |
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| Abstract: | It is always a hot spot for researchers that how to improve the ECT system data acquisition speed aim to meet the real-time requirement of high-speed industry processes.In this paper,key issues in designing high-speed hardware(small capacitance measurement module,data acquisition control module and communication module) for electrical capacitance tomography system are analyzed and research results at present are discussed.AC-based and active differential-based capacitance measuring circuits widely used are ... |
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| Keywords: | high-speed ECT system data acquisition small capacitance measurement communication module |
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