MEMS矢量传感器用于管道地面标记的一种新方案研究
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摘要
基于声检测原理的地面标记已成为当今管道技术的发展趋势,针对目前管道地面标记难和精度低的问题,提出了一种高灵敏度、具有良好的低频性能和较低功耗的MEMS矢量传感器。针对该矢量传感器在地面标记时存在的左右弦模糊的问题,提出了一种新的研究方案,通过理论分析和实验验证得出该方案的正确性。通过实验得出:定向角度平均误差在5°以内,满足工程需要。
The ground mark based on sound detection principle has been development trends of pipeline technology,aiming at present problem that the pipeline marking difficulties and low measurement precision,a new MEMS vector sensor which has advantages of high sensitivity,good characteristic of low frequency performance,lower power consumption,is put forward. And aiming at situation that the port / starboard blur problem,a new scheme is put forward,through theoretical analysis and experimental verification,it is concluded that the scheme is correct. The result of the experiment shows that directional angle average error is within 5°,which meet the need of engineering project.
The ground mark based on sound detection principle has been development trends of pipeline technology,aiming at present problem that the pipeline marking difficulties and low measurement precision,a new MEMS vector sensor which has advantages of high sensitivity,good characteristic of low frequency performance,lower power consumption,is put forward. And aiming at situation that the port / starboard blur problem,a new scheme is put forward,through theoretical analysis and experimental verification,it is concluded that the scheme is correct. The result of the experiment shows that directional angle average error is within 5°,which meet the need of engineering project.
引文
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[9]刘林仙,张国军,许姣,等.双T型MEMS仿生矢量水听器的设计与测试[J].振动与冲击,2013,32(2):130-131.
[10]许姣,李俊,张国军,等.一种新型MEMS矢量水听器的设计[J].压电与声光,2012,34(1):90-91.
[2]崔尧尧.基于声传感器阵列的管道内检测器追踪定位系统关键技术研究[D].天津:天津大学,2011.-0.2
[3]吴晓.基于声传感器阵列的油气管道内检测器地面标记跟踪技术研究[D].天津:天津大学,2010.
[4]吴晓,靳世久,李一博.基于地震波传感器阵列的管道地面标记系统[J].纳米技术与精密工程,2010,8(6):554.
[5]葛晓洋,张国军,杜春晖,等.一种用于管道地面标记的MEMS仿生矢量传感器[J].压电与声光,2012,34(6):882-885.
[6]陈尚,薛晨阳,张文栋,等.压阻式硅微二维加速度计的加工与测试[J].纳米技术与精密工程,2008,6(4):272-277.
[7]陈尚.硅微仿生矢量水声传感器研究[D].太原:中北大学,2008.
[8]许姣,张国军,石归雄,等.纤毛式矢量水听器新型封装结构的研究[J].传感技术学报,2011,24(4):519-520.
[9]刘林仙,张国军,许姣,等.双T型MEMS仿生矢量水听器的设计与测试[J].振动与冲击,2013,32(2):130-131.
[10]许姣,李俊,张国军,等.一种新型MEMS矢量水听器的设计[J].压电与声光,2012,34(1):90-91.
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