| 工业过程电容层析成像系统的硬件设计 |
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| 引用本文： | 王兴,颜华.工业过程电容层析成像系统的硬件设计[J].仪表技术与传感器,2001(11):35-37. |
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| 作者姓名： | 王兴 颜华 |
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| 作者单位： | 沈阳工业大学信息与工程学院,沈阳市,110036 |
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| 摘 要： | 设计一个具有简化电路结构的8极板电容层析成像系统硬件部分。该系统不仅适合实验室研究用，亦适合工业应用。它的最明显特色是硬件电路结构简单，性能优良，主要论述了该系统的结构特色，包括整体方案，极板控制阵列，基于AC的微小电容检测系统，软件补偿CMOS开关的耦合电容，系统标定和通信电路。
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| 关 键 词： | 电容层析成像 硬件设计 软件补偿 |
| 修稿时间： | 2001年3月22日 |
Hardware Design of an Electrical Capacitance Tomography System of Industrial Process |
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| Abstract: | A simplified 8-electrode ECT system has been designed which is suitable for both research and industrial applications. Its obvious feature is the simple circuit and improved performance. Emphasis is made on the character of the system's structure, including overall system design, the controlling circuit of electrode arrays, the AC-based capacitance measuring circuit, soft ware compensation for coupling capacitance of CMOS switches, system calibration and communication circuit. |
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| Keywords: | Electrical Capacitance Tomography Hardware Design Soft Ware Compensation |
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