Chinese Journal of Ship Research, Volume. 16, Issue 1, 143(2021)

Improvement and optimization of NMEA2000 based on an autonomous and controllable platform

Weibo ZHONG1,2, Jian CHEN1, Youbing FENG2, and Daohua LU2
Author Affiliations
  • 1School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China
  • 2Marine Equipment and Technology Institute, Jiangsu University of Science and Technology, Zhenjiang 212003, China
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    Figures & Tables(16)
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    • Table 1. Data format of GPS in NMEA2000

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      Table 1. Data format of GPS in NMEA2000

      报文含义
      129 025(0x1F801)PGN(hex)
      数据帧帧类型
      扩展帧帧格式
      0x09F8010029 bit ID标识符
      9F 1E 31 13 CA 3C 34 478字节数据
      低4字节纬度数据
      高4字节经度数据
    • Table 2. Custom laser ranging protocol of NMEA2000

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      Table 2. Custom laser ranging protocol of NMEA2000

      报文含义
      129 030(0x1F806)PGN(hex)
      数据帧帧类型
      扩展帧帧格式
      0x09F8060029 bit ID标识符
      01 40 1F 28 0A FF FF FF8字节数据
      第1字节序列ID
      第2~3字节测量频率
      第4~5字节与障碍物距离
      第6~8字节多余字节默认FF
    • Table 3. Transmission mode comparison of NMEA2000

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      Table 3. Transmission mode comparison of NMEA2000

      传输方式字节数发送方式握手机制传输延时应用范围
      单帧传输不大于8目的地址仅由PGN定义运用于所有工业
      ISO多包传输不大于1 785以广播形式发送到某一设备传输同样数据量时比快速数据包耗时长运用于所有工业
      快速数据包传输不大于223目的地址仅由PGN定义无传输延时,传输速度快用于船舶新协议
    • Table 4. New identifier fields of NMEA2000

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      Table 4. New identifier fields of NMEA2000

      优先级保留位数据页PGN低16 bit报文号
      3 bit1 bit1 bit16 bit8 bit
    • Table 5. Partial comparison of transmission efficiency improvement

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      Table 5. Partial comparison of transmission efficiency improvement

      传输总字节数传输效率/%提升程度/%
      改进前改进后
      85010050
      956.2556.250
      $ \vdots $$ \vdots $$ \vdots $$ \vdots $
      1562.593.7531.25
      1666.710033.3
      1770.8370.830
      $ \vdots $$ \vdots $$ \vdots $$ \vdots $
      89086.9199.3312.42
      8918799.4412.44
      $ \vdots $$ \vdots $$ \vdots $$ \vdots $
      1 78387.499.9412.54
      1 78487.4510012.55
      1 78587.599.612.1
    • Table 6. Improved identifier fields of NMEA2000

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      Table 6. Improved identifier fields of NMEA2000

      优先级拓展优先级数据页PGN低16 bit报文号
      3 bit1 bit1 bit16 bit8 bit
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    Weibo ZHONG, Jian CHEN, Youbing FENG, Daohua LU. Improvement and optimization of NMEA2000 based on an autonomous and controllable platform[J]. Chinese Journal of Ship Research, 2021, 16(1): 143

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    Paper Information

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    Received: Dec. 31, 2019

    Accepted: --

    Published Online: Mar. 27, 2025

    The Author Email:

    DOI:10.19693/j.issn.1673-3185.01870

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