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| 基于STC12C5412AD单片机的脉冲信号源设计 | |
| 引用本文： | 张颖,杨春霞,丁克勤,陈如冰,梁斌,王海涛,王平. 基于STC12C5412AD单片机的脉冲信号源设计[J]. 微计算机应用, 2011, 32(4): 76-80 |
| 作者姓名： | 张颖 杨春霞 丁克勤 陈如冰 梁斌 王海涛 王平 |
| 作者单位： | 1. 南京航空航天大学,自动化学院,南京,210016 2. 中国商飞上海飞机设计研究院,上海,200235 3. 中国特种设备检测研究院,北京,100013 4. 苏州市计量测试研究所,苏州,215128 5. 江苏省南京锅炉压力容器安全监督检测研究院,南京,210002 6. 南京航空航天大学,自动化学院,南京,210016;中国商飞上海飞机设计研究院,上海,200235 |
| 基金项目： | 江苏省科技厅项目，国家自然基金，国家科技支撑计划，国家质检总局科技计划，苏州市科技局项目 |
| 摘 要： | 在脉冲涡流和脉冲漏磁无损检测系统中,将脉冲信号加载于激励线圈上,产生反映被检试块缺陷信息的脉冲磁场。本文设计了一种频率、占空比和幅值均可调的脉冲信号源,以满足不同的检测需要。该脉冲信号源以带有脉冲宽度调制PWM(Pulse Width Modulation)的STC12C5412AD单片机为核心,配以合适的功率放大器,并能够与上位机实时通信,实现对脉冲信号源参数的控制与显示。所设计的脉冲信号源具有性能稳定、操作方便、成本低等优点,通过实验测试,完全能够应用于脉冲电磁无损检测系统中。 |
| 关 键 词： | 脉冲信号源 单片机 无损检测 |
The Design of Pulse Signal Source Based on Single Chip Microcomputer |
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| ZHANG Ying,YANG Chunxia,DING Keqin,CHEN Rubing,LIANG Bin,WANG Haitao,WANG Ping. The Design of Pulse Signal Source Based on Single Chip Microcomputer[J]. Microcomputer Applications, 2011, 32(4): 76-80 | |
| Authors: | ZHANG Ying YANG Chunxia DING Keqin CHEN Rubing LIANG Bin WANG Haitao WANG Ping |
| Affiliation: | ZHANG Ying1,YANG Chunxia2,DING Keqin3,CHEN Rubing4,LIANG Bin5,WANG Haitao1,2,WANG Ping1(1Nanjing University of Aeronautics and Astronautics,Nanjing,210016,China,2Shanghai Arecraft Design and Research Institute,COMAC,Shanghai,200235,3China Special Equipment Inspection and Research Center,Beijing,100013,4Suzhou Insitute of measurement and testing technology,Suzhou,Jiangsu,215128,5Nanjing Boiler and Pressure Vessel Inspection Institute,210002,China) |
| Abstract: | In pulsed eddy current(PEC) and pulse magnetic flux leakage(PMFL) non-destructive testing(NDT) system,when loading the pulse signal in incentive coil,it will generate the pulsed magnetic field carrying the defect information of test-components.In this paper a pulse signal source with its frequency,duty ratio and amplitude adjustable is designed to meet the different needs of detection.This impulse source is based on STC12C5412AD SCM(single chip microcomputer) with PWM,match with appropriate power amplifier ... |
| Keywords: | pulse signal source single chip microcomputer NDT |
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