CN113839846A - Data network system based on TTE bus and EtherCAT bus - Google Patents

Data network system based on TTE bus and EtherCAT bus Download PDF

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Publication number
CN113839846A
CN113839846A CN202111264121.3A CN202111264121A CN113839846A CN 113839846 A CN113839846 A CN 113839846A CN 202111264121 A CN202111264121 A CN 202111264121A CN 113839846 A CN113839846 A CN 113839846A
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switch
tte
ethercat
communication connection
bus
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曾祥华
王文博
廖鹏
张振华
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Changsha Xiandu Technology Co Ltd
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Changsha Xiandu Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40169—Flexible bus arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40208—Bus networks characterized by the use of a particular bus standard

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention provides a data network system based on a TTE bus and an EtherCAT bus, which is a modular framework and comprises a real-time control network and a high-speed Ethernet in communication connection with the real-time control network, wherein the high-speed Ethernet comprises a gigabit switch, a control server in communication connection with the gigabit switch and a data server in communication connection with the gigabit switch, and the gigabit switch is also in communication connection with a plurality of terminal devices; the real-time control network comprises a TTE switch, a plurality of TTE adapters in communication connection with the TTE switch, a data storage device in communication connection with the TTE switch, a data collection terminal in communication connection with the TTE switch and a gigabit switch in communication connection with the data collection terminal respectively; the TTE adapter is also in communication connection with an external device; the invention realizes high-speed, real-time and reliable data transmission and interaction between the external equipment and the terminal equipment, and realizes single bus data transmission and mixed bus data transmission.

Description

Data network system based on TTE bus and EtherCAT bus
Technical Field
The invention relates to the technical field of field buses, in particular to a data network system based on a TTE bus and an EtherCAT bus.
Background
The traditional Ethernet follows an IEEE802.3 protocol, has the characteristics of low cost and high technical transparency, but cannot meet the application requirements of real-time data transmission in the business fields of aerospace, industrial control and the like; the Time Triggered Ethernet (TTE) can well meet the requirements of the fields of aviation and industrial equipment control and the like in the aspects of real-time performance, reliability, time certainty and the like, and is a real-time data transmission technology with great research value and application prospect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a data interaction and network system based on a TTE bus and an EtherCAT bus, which can form a distributed multi-node interaction system based on the EtherCAT bus and the TTE bus, realize high-speed, real-time and reliable data transmission and interaction between external equipment and terminal equipment, and realize single-bus data transmission and mixed-bus data transmission.
The technical scheme of the invention is as follows:
the utility model provides a mutual and network system of data based on TTE bus and etherCAT bus, the system is modular framework, including real time control net and with real time control net communication connection's high-speed ethernet, high-speed ethernet including the giga switch, with the management and control server of giga switch communication connection and with the data server of giga switch communication connection, the giga switch still with a plurality of terminal equipment communication connection.
The real-time control network adopts one of the following two modes:
Figure DEST_PATH_IMAGE001
the real-time control network comprises a TTE switch, a plurality of TTE adapters in communication connection with the TTE switch, a data storage device in communication connection with the TTE switch, a data collection terminal in communication connection with the TTE switch and a gigabit switch in communication connection with the data collection terminal respectively; the TTE adapter is also in communication connection with an external device;
Figure 219010DEST_PATH_IMAGE002
the real-time control network comprises an EtherCAT switch and a plurality of EtherCAT adapters connected in series in sequenceThe Ethernet control automation technology comprises an Ethernet control automation technology (EtherCAT) switch, a gigabit switch, a first Ethernet control automation technology (EtherCAT) adapter and a second Ethernet control automation technology (EtherCAT) adapter, wherein the first Ethernet control automation technology is used for connecting the first Ethernet control automation technology (EtherCAT) adapter and the second Ethernet control automation technology (EtherCAT) adapter; the EtherCAT adapter is also communicatively coupled to an external device.
In the invention, a data collection terminal carries out data collection such as simulation and the like on various external devices such as airborne equipment through a real-time control network consisting of a TTE switch, a TTE adapter, an EtherCAT switch, an EtherCAT adapter and the like and stores the data in a data storage device, various terminal devices such as an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system, a fault diagnosis and test system and the like acquire data information of the airborne equipment through a kilomega switch, and a management and control server carries out data management and control on the TTE switch, the TTE adapter, the EtherCAT switch, the EtherCAT adapter and the like during data collection.
Further, the mode adopted by the real-time control network
Figure 884347DEST_PATH_IMAGE001
In, the data collection terminal still with EtherCAT switch
Figure 793397DEST_PATH_IMAGE001
Communication connection, the EtherCAT switch
Figure 597405DEST_PATH_IMAGE001
With a plurality of EtherCAT adapters
Figure 280321DEST_PATH_IMAGE001
Communication connection, each EtherCAT adapter
Figure 827977DEST_PATH_IMAGE001
And connecting with an external device.
Furthermore, the system also comprises a time synchronization network, wherein the time synchronization network comprises a time service server and a time service antenna connected with the time service server, and the time service server is in communication connection with the TTE switch and the EtherCAT switch; through the time service server and the antenna, the time synchronization with the Beidou system and the time synchronization with the internal equipment can be realized.
The TTE management and control software is mainly used for monitoring the processes of data transmission, time synchronization and the like of the TTE system and configuring parameters of the TTE slave station and the TTE master station. By acquiring the information of the transmission frame in the system, the management functions of error detection and isolation, cluster detection, illegal transmission interruption, transmission delay guarantee and the like are executed.
The invention has the beneficial effects that:
1. the invention can form a distributed multi-node interactive system based on the EtherCAT bus and the TTE bus, realizes high-speed, real-time and reliable data transmission and interaction between external equipment and terminal equipment, and realizes single bus data transmission and mixed bus data transmission.
2. The invention adopts a modular electronic system architecture, all TTE adapters are interconnected through TTE switches, and all EtherCAT adapters are interconnected through EtherCAT switches, so that equipment nodes can be conveniently added or deleted, and the requirement of subsequent system function expansion is met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a data network system based on a TTE bus and an EtherCAT bus according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data network system based on a TTE bus and an EtherCAT bus according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data network system based on a TTE bus and an EtherCAT bus according to a third embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Example one
As shown in fig. 1, a data network system based on a TTE bus and an EtherCAT bus is a modular architecture, and includes a real-time control network, a high-speed ethernet communicatively connected to the real-time control network, and a time synchronization network.
The high-speed Ethernet comprises a gigabit switch, a control server in communication connection with the gigabit switch and a data server in communication connection with the gigabit switch, wherein the gigabit switch is also in communication connection with a plurality of terminal devices; the real-time control network comprises a TTE switch, a plurality of TTE adapters in communication connection with the TTE switch, a data storage device in communication connection with the TTE switch, a data collection terminal in communication connection with the TTE switch and a gigabit switch in communication connection with the data collection terminal respectively; the TTE adapter is also in communication connection with an external device; in this embodiment, the external device is various airborne devices in the aerospace electronics field, the data storage device is an airborne data storage device in the field, and the terminal device is an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system, and a fault diagnosis and test system.
The time synchronization network comprises a time service server and a time service antenna connected with the time service server, and the time service server is in communication connection with the TTE switch and the EtherCAT switch.
In the embodiment, simulation data of airborne equipment is collected and stored in a data storage device through a data collection terminal, a TTE switch and a TTE adapter, and various terminal devices such as an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system, a fault diagnosis and test system and the like acquire data information of the airborne equipment through a gigabit switch; performing data control on the TTE switch and the TTE adapter through a control server; and time synchronization is carried out on the internal equipment of the system through the time service server and the antenna, so that high-speed, real-time and reliable data transmission and interaction between the external equipment and the terminal equipment are realized on the basis of the TTE bus, and data transmission of single bus is realized.
Example two
As shown in fig. 2, a data network system based on a TTE bus and an EtherCAT bus is a modular architecture, and includes a real-time control network, a high-speed ethernet communicatively connected to the real-time control network, and a time synchronization network.
The high-speed Ethernet comprises a gigabit switch, a control server in communication connection with the gigabit switch and a data server in communication connection with the gigabit switch, wherein the gigabit switch is also in communication connection with a plurality of terminal devices; the real-time control network comprises an EtherCAT switch, a plurality of EtherCAT adapters sequentially connected in series and a gigabit switch in communication connection with the EtherCAT switch, and the EtherCAT switch is respectively in communication connection with the head EtherCAT adapter and the tail EtherCAT adapter; the EtherCAT adapter is also in communication connection with external equipment; in this embodiment, the external device is various airborne devices in the field of space electronics, the data server includes a simulation server and a ground data server, the control server is a simulation server, and the simulation server is used for controlling the TTE bus device networking; the terminal equipment is an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system and a fault diagnosis and test system.
The time synchronization network comprises a time service server and a time service antenna connected with the time service server, and the time service server is in communication connection with the TTE switch and the EtherCAT switch.
In the embodiment, simulation data of the airborne equipment is collected through an EtherCAT switch and an EtherCAT adapter and is stored in a data storage device, and various terminal devices such as an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system, a fault diagnosis and test system and the like acquire data information of the airborne equipment through a gigabit switch; the EtherCAT switch and the EtherCAT adapter are subjected to data management and control through a management and control server, namely a simulation server; and time synchronization is carried out on the internal equipment of the system through the time service server and the antenna, so that high-speed, real-time and reliable data transmission and interaction between external equipment and terminal equipment are realized on the basis of an EtherCAT bus, and single-bus data transmission is realized.
EXAMPLE III
As shown in fig. 3, a data network system based on a TTE bus and an EtherCAT bus is a modular architecture, and includes a real-time control network, a high-speed ethernet communicatively connected to the real-time control network, and a time synchronization network.
The high-speed Ethernet comprises a gigabit switch, a control server in communication connection with the gigabit switch and a data server in communication connection with the gigabit switch, wherein the gigabit switch is also in communication connection with a plurality of terminal devices; the real-time control network comprises a TTE switch, a plurality of TTE adapters in communication connection with the TTE switch, a data storage device in communication connection with the TTE switch, a data collection terminal in communication connection with the TTE switch and a gigabit switch in communication connection with the data collection terminal respectively; the TTE adapter is also in communication connection with an external device; data collection terminal still with etherCAT switch
Figure 591534DEST_PATH_IMAGE001
Communication connection, the EtherCAT switch
Figure 566443DEST_PATH_IMAGE001
With a plurality of EtherCAT adapters
Figure 782661DEST_PATH_IMAGE001
Communication connection, each EtherCAT adapter
Figure 134008DEST_PATH_IMAGE001
Connecting with an external device; in this embodiment, the external device is various airborne devices in the field of space electronics, the data server includes a simulation server and a ground data server, the control server is a simulation server, and the simulation server is used for controlling the TTE bus device networking; the terminal equipment is an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system and a fault diagnosis and test system.
The time synchronization network comprises a time service server and a time service antenna connected with the time service server, and the time service server is in communication connection with the TTE switch and the EtherCAT switch.
In the embodiment, data collection such as simulation and the like is performed on airborne equipment through a real-time control network composed of a data collection terminal TTE switch, a TTE adapter, an EtherCAT switch, an EtherCAT adapter and the like, and is stored in a data storage device, data information of the airborne equipment is acquired through various terminal equipment and gigabit switches such as an engine control design and semi-physical simulation platform, an engine control signal equivalent system, an engine supply and control test system, a fault diagnosis and test system and the like, and meanwhile, data management and control are performed on the TTE switch, the TTE adapter, the EtherCAT switch, the EtherCAT adapter and the like through a management and control server, namely a simulation server; synchronizing the time of the Beidou system to the time of the internal equipment through the time service server and the antenna; therefore, the invention can realize high-speed, real-time and reliable data transmission and interaction between the external equipment and the terminal equipment based on the EtherCAT bus and the TTE bus, and realize mixed bus data transmission.

Claims (3)

1. A data network system based on TTE bus and EtherCAT bus, the system is modular framework, including real-time control network and high-speed Ethernet connected with real-time control network communication, characterized by that:
the high-speed Ethernet comprises a gigabit switch, a control server in communication connection with the gigabit switch and a data server in communication connection with the gigabit switch, wherein the gigabit switch is also in communication connection with a plurality of terminal devices;
the real-time control network adopts one of the following two modes:
Figure DEST_PATH_IMAGE002
the real-time control network comprises a TTE switch, a plurality of TTE adapters in communication connection with the TTE switch, a data storage device in communication connection with the TTE switch, data collection terminals in communication connection with the TTE switch and the gigabit switch respectively, and data collection terminals in communication connection with the data collection terminalsKilomega switches of (g); the TTE adapter is also in communication connection with an external device;
Figure DEST_PATH_IMAGE004
the real-time control network comprises an EtherCAT switch, a plurality of EtherCAT adapters connected in series in sequence and a gigabit switch in communication connection with the EtherCAT switch, wherein the EtherCAT switch is in communication connection with the head EtherCAT adapter and the tail EtherCAT adapter respectively; the EtherCAT adapter is also communicatively coupled to an external device.
2. The TTE bus and EtherCAT bus-based data network system according to claim 1, wherein: the mode adopted by the real-time control network
Figure 805966DEST_PATH_IMAGE002
In, the data collection terminal still with EtherCAT switch
Figure 254264DEST_PATH_IMAGE002
Communication connection, the EtherCAT switch
Figure 768422DEST_PATH_IMAGE002
With a plurality of EtherCAT adapters
Figure 586468DEST_PATH_IMAGE002
Communication connection, each EtherCAT adapter
Figure 931999DEST_PATH_IMAGE002
And connecting with an external device.
3. The TTE bus and EtherCAT bus-based data network system according to claim 1 or 2, further comprising a time synchronization network, wherein the time synchronization network comprises a time service server and a time service antenna connected with the time service server, and the time service server is communicatively connected with the TTE switch and the EtherCAT switch.
CN202111264121.3A 2021-10-28 2021-10-28 Data network system based on TTE bus and EtherCAT bus Pending CN113839846A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115766555A (en) * 2022-11-11 2023-03-07 中国航空工业集团公司西安飞行自动控制研究所 TTE switch network test architecture and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115766555A (en) * 2022-11-11 2023-03-07 中国航空工业集团公司西安飞行自动控制研究所 TTE switch network test architecture and method

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