国内外多普勒计程仪发展现状和展望
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中国船舶集团有限公司第七一O研究所 湖北 宜昌 443003

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军民融合类重点研发计划项目“高精度免标定INS/DVL一体化组合导航关键技术研究”(项目编号:2021BID016)。


Current status and outlook of Doppler Velocity Log development at home and abroad
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1.No.710 R D Institute,CSSC;2.No.710 R&3.amp;4.D Institute, CSSC, Yichang 443003, China

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    摘要:

    声学多普勒测速计程仪(DVL)是利用多普勒效应研制的一种为水面、水下载体提供速度信息并计量航程的自主导航设备。对DVL的发展现状进行了分析,对美国Teledyne RDI公司目前在产的4款DVL系列化产品特征和性能进行了阐述。针对当前研究的关键技术难点如大深度多普勒计程仪体积受限的问题、水面航船空化造成能量衰减导致作用距离降低问题、航船姿态摇摆和安装误差问题、非典型海底地形等因素导致解算错误问题等进行了分析,从工程实用角度展望并分析了未来的研究发展趋势及面临的挑战,为高精度的DVL产品设计提供有益参考。

    Abstract:

    Doppler Velocity Log (DVL) is an autonomous navigation device developed using the Doppler effect to provide velocity information and measure the range of surface and underwater vehicles. The current status of DVL development was analysed and the characteristics and performance of the four DVL serialised products currently produced by Teledyne RDI in the USA were elaborated. An analysis was conducted on key technical difficulties in current research, such as the contradiction between bottom track range and limited volume of DVL, reduced range due to energy attenuation caused by cavitation effect, ship attitude sway and installation errors, and calculation errors caused by atypical seafloor topography. Future research development trends and challenges were prospected and analyzed to provide useful references for the design of high-precision DVL products.

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  • 收稿日期:2023-05-12
  • 最后修改日期:2023-06-28
  • 录用日期:2023-07-04
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