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| 基于MSP430F4794磁记忆检测多路信号采集 | |
| 引用本文： | 谢云山,贾妮,廖昌荣,温永怡,周复兴.基于MSP430F4794磁记忆检测多路信号采集[J].自动化与仪器仪表,2011(6):37-39. |
| 作者姓名： | 谢云山 贾妮 廖昌荣 温永怡 周复兴 |
| 作者单位： | 1. 重庆工业自动化仪表研究所 重庆 401123 2. 重庆大学光电工程学院 重庆 400044 3. 重庆市电力公司 重庆 400014 |
| 基金项目： | 重庆市科委重点攻关计划项目资助 |
| 摘 要： | 介绍了构件在工作载荷和微弱地磁场的作用下,其内部会发生磁畴组织定向和不可逆的重新取向,在应力集中区和缺陷处形成漏磁场,检测漏磁场可以确定应力集中和构件裂纹特征,基于霍尔元件对铁磁构件表面裂纹探测原理及实施技术路线;并阐述了MSP430F4794单片机的特点,磁记忆检测多路信号采集电路构成,漏磁探测传感器的最大移动速度计算,数据采集软件配置方法。 |
| 关 键 词： | 漏磁探测 过零点 裂纹 多路信号 |
Based on MSP430F4794 magnetic memory testing the multiple signals collection |
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| XIE Yun-shan,JIA Ni,LIAO Chang-rong,et al..Based on MSP430F4794 magnetic memory testing the multiple signals collection[J].Automation & Instrumentation,2011(6):37-39. | |
| Authors: | XIE Yun-shan JIA Ni LIAO Chang-rong |
| Affiliation: | XIE Yun-shan,JIA Ni,LIAO Chang-rong,et al. |
| Abstract: | This article describes the components in the work load and weakly magnetic field,its interior will happen magnetic domain of directional and irreversible re-orientation in the stress concentration area and defect formation of leakage magnetic field to detect leakage of the magnetic field can determine the stress concentration and components crack characteristics,based on the Hall element to detect surface cracks on ferromagnetic theory and implementation of technical routes;and described the MSP430F4794 mic... |
| Keywords: | Magnetic flux leakage detection Zero-crossing Crack Multiple signals |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
