| 基于现场可编程逻辑门阵列的超声波管道测厚 |
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| 引用本文： | 陈忠元,陈娟,邵芬红.基于现场可编程逻辑门阵列的超声波管道测厚[J].北京化工大学学报(自然科学版),2012,39(4):106-110. |
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| 作者姓名： | 陈忠元 陈娟 邵芬红 |
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| 作者单位： | 北京化工大学信息科学与技术学院,北京,100029;北京化工大学北方学院,河北燕郊,065201 |
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| 基金项目： | 中石油股份公司科技风险基金 |
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| 摘 要： | 根据超声波基本原理以及现场可编程逻辑门阵列（FPGA）技术设计了超声波测厚仪及超声波轮式探头，并且实现了基于FPGA的信号处理的软件编程。对管径φ139.7mm，标称壁厚h7.72mm的标准样管的测量实验结果表明：本文所设计的系统可靠性好，抗干扰能力强，测量精度高，测量误差小于0.1mm。
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| 关 键 词： | 超声波轮式探头 现场可编程逻辑门阵列 超声波测厚 数字锁相环技术 |
| 收稿时间： | 2012-01-09 |
Ultrasonic thickness measurements of a pipeline based on a field-programmable gate array (FPGA) |
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| CHEN ZhongYuan
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CHEN Juan
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SHAO FenHong.Ultrasonic thickness measurements of a pipeline based on a field-programmable gate array (FPGA)[J].Journal of Beijing University of Chemical Technology,2012,39(4):106-110. |
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| Authors: | CHEN ZhongYuan CHEN Juan SHAO FenHong |
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| Institution: | 1. College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029；2. North College of Beijing University of Chemical Technology, Yanjiao Hebei 065201, China |
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| Abstract: | An ultrasonic thickness gauge and a wheel-style ultrasound probe have been designed according to the basic principles of ultrasound and field-programmable gate array(FPGA) technology.Software programming of the signal processing based on FPGA has also been realized.According to tests on a standard pipe with diameter of 139.7 mm and thickness of 7.72 mm,the system showed good reliability,strong anti-interference ability and high precision.The measurement error was less than 0.1 mm. |
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| Keywords: | wheel ultrasonic probe field-programmable gate array(FPGA) ultrasonic thickness measurement digital phase locked loop(DPLL) |
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