电测与仪表2018，Vol.55Issue(1)：1-5,13,6.
基于磁信息测量的地面标记器设计
Design of ground marker based on magnetic information measurement
摘要
Abstract
In order to solve the problem that the defect location error of the oil and gas pipeline defect is accompanied by the increase of the measurement distance,the Honeywell's three-dimensional magneto-resistive chip is used to design the ground marker for correcting the positioning error by using magnetic information.The marker adopts modular design,including ARM processing platform,signal acquisition and storage,GPS timing and data wireless transmission of four parts.It is possible to realize the acquisition and storage of the magnetic disturbance signal generated by the internal detector,and to reduce the noise of the magnetic field signal by using the sensitivity of the wavelet transform to the singularity of the signal,as a result,the internal detector through the ground marker just below the exact moment is calculated.The designed scheme improves the accuracy and reliability of the ground marker,which has reference value.关键词
地面标记器/漏磁检测/ARM/小波变换/GPS授时Key words
ground marker/magnetic flux leakage detection/ARM/wavelet transform/GPS timing分类
信息技术与安全科学引用本文复制引用
于佳,黄松岭,赵伟,王珅..基于磁信息测量的地面标记器设计[J].电测与仪表,2018,55(1):1-5,13,6.基金项目
国家自然科学基金资助项目(51677093) （51677093）
国家重大科学仪器设备开发专项(2013YQ140505) （2013YQ140505）
