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传感器安装误差在声学多普勒计程仪中的校准 被引量：8

Calibration of transducer's installation error for acoustic Doppler velocity log
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摘要 为了利用声学多普勒计程仪(DVL)进行载体的航迹推算,DVL传感器的安装偏角误差不可忽视,必须进行校准。此误差是在载体上安装DVL声学传感器时引起的。不进行机械修正,而是借助安装在载体上的高精度全球定位系统(GPS)与姿态仪的信息,应用最小二乘法对此误差进行了在微小型系统中的校准。理论分析与试验结果说明了DVL经校准后航迹推算性能的提高,从而证明该校准方法的有效性。 Transducer＇s installation error is not negligible and has to be calibrated to realize carrier＇ s deadreckoning navigation for acoustic Doppler velocity log （DVL）. This installation error is caused from the differences of the direction between acoustic transducer and carrier. With the aid of information from an external high precision GPS and attitude sensor, this installation error can be calibrated by the least square method for this microsystems. Theoretical analysis and experimental results show that this method can correct installation error effectively, and testify improvement in performance.
作者 刘德铸 郑翠娥 张殿伦 曹忠义
机构地区 哈尔滨工程大学水声工程学院
出处 《传感器与微系统》 CSCD 北大核心 2009年第11期71-73,共3页 Transducer and Microsystem Technologies
基金 国家"863"计划资助项目(2006AA09Z218)
关键词 声学多普勒计程仪 航迹推算 安装误差校准 最小二乘法 acoustic Doppler velocity log （DVL） dead-reckoning navigation installation error calibration leastsquare method
分类号 TN767.7 [电子电信—电路与系统]
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参考文献8

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共引文献10

同被引文献44

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引证文献8

二级引证文献21

传感器与微系统
2009年 第11期

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