WO2019128479A1 - 中低速磁浮列车基于trdp协议的无线上传和专家诊断系统 - Google Patents

中低速磁浮列车基于trdp协议的无线上传和专家诊断系统 Download PDF

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WO2019128479A1
WO2019128479A1 PCT/CN2018/114275 CN2018114275W WO2019128479A1 WO 2019128479 A1 WO2019128479 A1 WO 2019128479A1 CN 2018114275 W CN2018114275 W CN 2018114275W WO 2019128479 A1 WO2019128479 A1 WO 2019128479A1
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train
fault
expert diagnosis
diagnosis system
wireless
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PCT/CN2018/114275
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English (en)
French (fr)
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曾云峰
于延霞
丛培鹏
陈龙
薛飞
张朋
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中车大连机车车辆有限公司
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Priority to PH12018502610A priority Critical patent/PH12018502610A1/en
Publication of WO2019128479A1 publication Critical patent/WO2019128479A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0018—Communication with or on the vehicle or vehicle train
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0072—On-board train data handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0081—On-board diagnosis or maintenance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/04—Processing captured monitoring data, e.g. for logfile generation
    • H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls

Definitions

  • the invention relates to the technical field of medium and low speed maglev trains, in particular to a wireless uploading and expert diagnosis system based on TRDP protocol for medium and low speed maglev trains.
  • the new generation of medium and low speed maglev trains in China is in the development stage, and there is no mature wireless uploading and expert diagnosis technology.
  • the current train status can only be monitored through the HMI pages of the driver display. It is impossible to visually monitor the vehicle operation through charts, curves, etc.; wireless uploading of information such as vehicle status and faults cannot be realized, and the operation control center OCC and the depot control center DCC cannot remotely monitor the train status in real time.
  • the present invention provides a wireless uploading and expert diagnosis system based on the TRDP protocol for medium and low speed maglev trains.
  • the technical solution adopted by the invention is a wireless uploading and expert diagnosis system based on TRDP protocol for medium and low speed maglev train, including expert diagnosis system and wireless uploading system, and the expert diagnosis system is used for real-time monitoring, fault intelligent diagnosis and fault warning, And through the TRDP-based firewall to achieve isolation from the train control and management system TCMS to prevent network attacks, the train control and management system TCMS is used to upload train status information to the workstation through the switch, and the fault is solved by the expert diagnostic software installed on the workstation.
  • the wireless uploading system is used to communicate with the TCMS and the expert diagnosis system through the Ethernet, obtain the train fault, status and warning information, and the information is transmitted through the wireless network. Upload to the ground server.
  • the wireless uploading system includes two modes, one is that the train arrives at the station or the vehicle segment and then uploads the fault, the early warning and the running record through the WLAN; the other is that the train fault and the warning information are uploaded through the 3G ⁇ 4G during the train running.
  • the expert diagnosis system further includes a fault early warning algorithm module, wherein the fault early warning algorithm module blurs the received train state and each subsystem fault information, and the fuzzy inference engine performs fuzzy reasoning according to the fuzzy rule base, and then Perform anti-fuzzification to generate fault warning information.
  • the invention has the beneficial effects that the invention can visually monitor the vehicle operation through charts, curves and the like, realizes wireless uploading of information such as vehicle status and faults, and the operation control center OCC and the vehicle segment control center DCC can remotely monitor the train status in real time.
  • the safety of the train operation and the maintainability of the train are improved; the related software of the invention is independently developed, achieving 100% localization and saving about 80,000/column.
  • Figure 1 shows the topology of the expert diagnosis and wireless upload system.
  • Figure 2 is a schematic diagram of the expert diagnostic system.
  • Figure 3 is a diagram of the fault warning algorithm.
  • FIG. 4 is a schematic structural diagram of a wireless uploading system.
  • the invention realizes train condition monitoring, fault diagnosis and fault warning through the workstation in the form of charts, curves and tables.
  • the invention integrates the workstation and the mobile communication gateway TLR (Mobile Communication Gateway) to realize the wireless upload of the train data, so that the operation control center OCC and the vehicle segment control center DCC can perform remote real-time monitoring.
  • TLR Mobile Communication Gateway
  • the expert diagnosis and wireless upload system topology map, expert diagnosis and wireless upload system are mainly composed of work station, switch, mobile communication gateway and vehicle antenna, which are divided into two parts: expert diagnosis system and wireless upload system.
  • the expert diagnosis system has real-time monitoring, fault intelligent diagnosis and fault warning function, and is isolated from the TCMS through a firewall based on the TRDP protocol to prevent network attacks.
  • the train control and management system TCMS uploads the train status information to the workstation through the switch, and the fault diagnosis and early warning is implemented by the expert diagnostic software installed on the workstation.
  • the mobile communication gateway can wirelessly upload train information to the ground server, the ground server has a database and analysis software server, and the wireless uploads two ways: after the train arrives at the station or the depot, the WLAN (Wi-Fi) uploads the fault, the warning and the Operation record; train failure and warning information are transmitted through 3G ⁇ 4G during train operation.
  • the principle of expert diagnosis system is shown in Figure 2.
  • the expert diagnosis system fuzzifies the received train status and each subsystem fault information by fuzzy inference engine based on the fuzzy rule base for fuzzy reasoning, and then performs anti-fuzzification to generate fault warning information.
  • the fuzzy rule base is built by machine learning. After a period of stable operation, the expert diagnosis system can establish a fuzzy rule base to analyze the recorded data, and combine the technical design principle of the vehicle system equipment, fault statistical analysis and fixed life cycle mode to realize the vehicle safety warning.
  • the main function of the wireless uploading system is to collect train data, send it to the ground data centralized server wirelessly, and provide local data download, thus providing remote expert technical support and remote diagnosis for train operation.
  • the communication between the wireless uploading system and the ground receiving station is shown in Figure 4.
  • the real-time fault and status of the train are sent to the ground server through the 3G/4G wireless network.
  • the non-real-time fault and running status information of the train can be transmitted to the WLAN or 3G/4G.
  • Ground server The ground server analyzes the real-time display of train status and faults, and provides non-real-time data download function.
  • the mobile communication gateway TLR integrates the I/O interface, and the WLAN and 3G/4G mode switching can be realized by the in-house/positive digital input signal and the underlying logic given by the train.

Abstract

本发明公开了一种中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统，包括专家诊断系统和无线上传系统，所述的专家诊断系统用于实时监控、故障智能诊断和故障预警，并通过基于TRDP协议的防火墙实现与列车控制和管理系统TCMS的隔离，防止网络攻击，所述的无线上传系统用于通过以太网与TCMS和专家诊断系统通信，获取列车故障、状态和预警信息，通过无线网络将信息上传给地面服务器。本发明通过图表、曲线等形式直观地监视车辆运行，实现了车辆状态、故障等信息的无线上传，运营控制中心OCC和车辆段控制中心DCC可以远程实时监控列车状态，提高了列车运营的安全性和列车的可维护性。

Description

中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统 技术领域
本发明涉及中低速磁浮列车技术领域，具体涉及一种中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统。
背景技术
目前国内新一代中低速磁浮列车正处于发展阶段，还没有成熟的无线上传和专家诊断技术。现有技术下仅可通过司机显示屏HMI各页面监视当前列车状态。无法通过图表、曲线等形式直观地监视车辆运行；无法实现车辆状态、故障等信息的无线上传，运营控制中心OCC和车辆段控制中心DCC无法远程实时监控列车状态。
发明内容
针对上述现有技术的缺陷，本发明提供一种中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统。
本发明所采用的技术方案是中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统，包括专家诊断系统和无线上传系统，所述的专家诊断系统用于实时监控、故障智能诊断和故障预警，并通过基于TRDP协议的防火墙实现与列车控制和管理系统TCMS的隔离，防止网络攻击，列车控制和管理系统TCMS用于将列车状态信息通过交换机上传到工作站，由安装于工作站的专家诊断软件实现故障诊断和预警，再通过交换机将故障预警信息发送给移动通信网关；所述的无线上传系统用于通过以太网与TCMS和专家诊断系统通信，获取列车故障、状态和预警信息，通过无线网络将信息上传给地面服务器。
所述的无线上传系统包括两种方式，一种是列车到达车站或车辆段后通过WLAN上传故障、预警和运行记录；另一种是列车运行中通过3G\4G上传列车故障和预警信息。
所述的专家诊断系统还包括故障预警算法模块，所述的故障预警算法模块是将接收到的列车状态和各子系统故障信息进行模糊化，由模糊推理机根 据模糊规则库进行模糊推理，然后进行反模糊化生成故障预警信息。
本发明的有益效果是：本发明可以通过图表、曲线等形式直观地监视车辆运行，实现了车辆状态、故障等信息的无线上传，运营控制中心OCC和车辆段控制中心DCC可以远程实时监控列车状态，提高了列车运营的安全性和列车的可维护性；本发明相关软件都为自主开发，实现了100％国产化，节约成本约8万/列。
附图说明
图1为专家诊断和无线上传系统拓扑图。
图2为专家诊断系统原理图。
图3为故障预警算法图。
图4为无线上传系统结构示意图。
具体实施方式
现结合附图对发明做进一步的说明，本发明通过基于ECN(Ethernet Consist Network)以太网通讯网络的TRDP(Train Real-time Data Protocol)协议,实现了与列车控制和管理系统TCMS的无缝集成，从而实现了列车控制和管理系统TCMS监控数据的实时收发，并通过基于TRDP协议的防火墙实现了与列车控制和管理系统TCMS的隔离。
本发明通过工作站以图表、曲线和表格等形式实现列车状态监视、故障诊断和故障预警。本发明将工作站和移动通信网关TLR(Mobile Communication Gateway)集成在了一起从而实现了列车数据的无线上传，使运营控制中心OCC和车辆段控制中心DCC可以进行远程实时监控。
如图1所示，专家诊断和无线上传系统拓扑图，专家诊断和无线上传系统主要由工组站、交换机、移动通信网关和车载天线等组成，分为专家诊断系统和无线上传系统两部分。专家诊断系统具有实时监控、故障智能诊断和故障预警功能，并通过基于TRDP协议的防火墙实现与TCMS的隔离，防止网络攻击。列车控制和管理系统TCMS将列车状态信息通过交换机上传到工作站，由安装于工作站的专家诊断软件实现故障诊断和预警。移动通信网关可将列车信息无线上传到地面服务器，地面服务器带有数据库和分析软件的服务器， 无线上传的两种方式：列车到达车站或车辆段后通过WLAN(Wi-Fi)上传故障、预警和运行记录；列车运行中通过3G\4G上传列车故障和预警信息，专家诊断系统原理如图2所示。
如图3所示，专家诊断系统将接收到的列车状态和各子系统故障信息进行模糊化由模糊推理机根据模糊规则库进行模糊推理，然后进行反模糊化生成故障预警信息。模糊规则库通过机器学习建立。专家诊断系统经过一段时间的稳定运行后，可以通过分析记录的数据，并结合车辆系统设备的技术设计原理、故障统计分析和固定生命周期模态等，建立模糊规则库，实现车辆安全预警。
无线上传系统主要功能是收集列车数据，通过无线方式发送到地面数据集中服务器，并提供本地数据下载，从而为列车运行提供远程专家技术支持和远程诊断。无线上传系统与地面接收站通信的通信如图4所示：其中列车实时故障及状态通过3G/4G无线网络发送到地面服务器，列车非实时故障及运行状态信息可通过WLAN或3G/4G传输到地面服务器。地面服务器解析后进行列车状态及故障的实时显示，并提供非实时数据的下载功能。
移动通信网关TLR集成了I/O接口，通过列车给出的库内/正线数字量输入信号和底层逻辑可实现WLAN和3G/4G的模式切换。

Claims (3)

  1. 中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统，其特征在于：包括专家诊断系统和无线上传系统，所述的专家诊断系统用于实时监控、故障智能诊断和故障预警，并通过基于TRDP协议的防火墙实现与列车控制和管理系统TCMS的隔离，防止网络攻击，列车控制和管理系统TCMS用于将列车状态信息通过交换机上传到工作站，由安装于工作站的专家诊断软件实现故障诊断和预警，再通过交换机将故障预警信息发送给移动通信网关；所述的无线上传系统用于通过以太网与TCMS和专家诊断系统通信，获取列车故障、状态和预警信息，通过无线网络将信息上传给地面服务器。
  2. 根据权利要求1所述的中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统，其特征在于：所述的无线上传系统包括两种方式，一种是列车到达车站或车辆段后通过WLAN上传故障、预警和运行记录；另一种是列车运行中通过3G\4G上传列车故障和预警信息。
  3. 根据权利要求1所述的中低速磁浮列车基于TRDP协议的无线上传和专家诊断系统，其特征在于：所述的专家诊断系统还包括故障预警算法模块，所述的故障预警算法模块是将接收到的列车状态和各子系统故障信息进行模糊化，由模糊推理机根据模糊规则库进行模糊推理，然后进行反模糊化生成故障预警信息。
PCT/CN2018/114275 2017-12-26 2018-11-07 中低速磁浮列车基于trdp协议的无线上传和专家诊断系统 WO2019128479A1 (zh)

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