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井下人员精确定位系统无线终端同步升级方法

张立峰 包建军 金业勇

张立峰,包建军,金业勇. 井下人员精确定位系统无线终端同步升级方法[J]. 工矿自动化,2023,49(3):131-136.  doi: 10.13272/j.issn.1671-251x.18043
引用本文: 张立峰,包建军,金业勇. 井下人员精确定位系统无线终端同步升级方法[J]. 工矿自动化,2023,49(3):131-136.  doi: 10.13272/j.issn.1671-251x.18043
ZHANG Lifeng, BAO Jianjun, JIN Yeyong. Synchronous upgrade method for the wireless terminal of underground personnel precise positioning system[J]. Journal of Mine Automation,2023,49(3):131-136.  doi: 10.13272/j.issn.1671-251x.18043
Citation: ZHANG Lifeng, BAO Jianjun, JIN Yeyong. Synchronous upgrade method for the wireless terminal of underground personnel precise positioning system[J]. Journal of Mine Automation,2023,49(3):131-136.  doi: 10.13272/j.issn.1671-251x.18043

井下人员精确定位系统无线终端同步升级方法

doi: 10.13272/j.issn.1671-251x.18043
基金项目: 天地科技股份有限公司科技创新创业资金专项项目(2020-TD-ZD004);天地(常州)自动化股份有限公司科研项目(2021-GY-2013)。
详细信息
    作者简介:

    张立峰(1990—),男,江苏常州人,研究实习员,研究方向为煤矿井下定位及通信技术,E-mail:zhanglifeng0339@126.com

  • 中图分类号: TD655.3

Synchronous upgrade method for the wireless terminal of underground personnel precise positioning system

  • 摘要: 针对井下人员定位系统采用无线应用内编程(IAP)方式进行固件升级存在的升级期间标志卡无法正常使用、升级效率较低、安全性不高等问题,提出了一种井下人员精确定位系统无线终端同步升级方法。给出了井下人员精确定位系统架构和无线终端同步升级方法流程,重点介绍了无线终端同步升级的安全性设计和高并发技术实现。安全性设计:为提升空中数据传输的安全性,针对读卡器与标志卡之间的数据传输方式,采用高级加密标准(AES)加密器进行针对性加密;为确保标志卡无线升级后运行正常,在标志卡完成接收即将切换时引入信息摘要算法MD5进行完整性校验。高并发技术实现:利用矿井全覆盖的超宽带(UWB)无线通信网络扩展并兼容无线升级协议,实现井下所有标志卡分布式多节点同步升级;通过断点续传方式,解决运动状态下多节点之间数据切换的问题;基于时隙ALOHA算法,提出一种动态时隙分配机制,以保证人员精确定位系统的容量及响应效率。测试结果表明,该方法可以在井下人员精确定位系统内兼容运行,在不影响系统性能指标的情况下,实现所有无线终端定位标志卡嵌入式固件的无线升级,升级成功率为100%,且升级过程高效、可靠、安全。

     

  • 图  1  井下人员精确定位系统架构

    Figure  1.  Structure of underground personnel precise positioning system

    图  2  无线终端同步升级流程

    Figure  2.  Wireless terminal synchronization upgrade process

    图  3  标志卡逻辑处理流程

    Figure  3.  Logic processing flow of identification card

    图  4  动态时隙分配机制

    Figure  4.  Dynamic slot allocation mechanism

    图  5  无线终端同步升级测试环境

    Figure  5.  Test environment of wireless terminal synchronization upgrade

    图  6  无线终端同步升级测试结果

    Figure  6.  Test result of wireless terminal synchronization upgrade

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出版历程
  • 收稿日期:  2022-10-13
  • 修回日期:  2023-02-22
  • 网络出版日期:  2023-03-27

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