CN112141174A - ZC simulation system and method in VOBC test environment - Google Patents
ZC simulation system and method in VOBC test environment Download PDFInfo
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- CN112141174A CN112141174A CN202010996822.5A CN202010996822A CN112141174A CN 112141174 A CN112141174 A CN 112141174A CN 202010996822 A CN202010996822 A CN 202010996822A CN 112141174 A CN112141174 A CN 112141174A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/60—Testing or simulation
Abstract
The embodiment of the invention provides a ZC simulation system and a method in VOBC test environment, wherein the ZC simulation system comprises: the system comprises an interface module, a data processing module and an interface module, wherein the interface module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the interface module, and the other end of the interface module is connected with a target vehicle-mounted VOBC; the interface module is used for unsealing a first general data packet sent by the target vehicle-mounted VOBC; the data processing module is used for establishing connection with the interface module and processing the split first general data packet; and the interface module is used for displaying the processing result of the first general data packet. The embodiment of the invention can realize data interaction with the target vehicle-mounted VOBC and can truly simulate the interaction between the ZC equipment and the vehicle-mounted VOBC.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a ZC simulation system and method in VOBC test environment.
Background
The functional test of the urban rail signal system is mainly carried out in a system test environment, but each subsystem of the urban rail signal system in the system test environment is real equipment, the interaction among the real equipment is normal logic, the real equipment is sent according to a general packet header, an application data packet type and a field value specified in a vehicle-ground communication interface protocol, and the vehicle-mounted VOBC is tested by adopting the system test environment, so that a reverse case cannot be tested, and the test is insufficient.
Therefore, a set of test environment specially used for VOBC test needs to be designed and built, and the main difference of the test environment is that ground ZC, ATS, and CI devices are all models, can support the setting of each field value in the header of the universal pack and each type of application data packet in the universal pack, and the field value can be set arbitrarily, can be a specified value of the vehicle-ground interface communication protocol, and can also be an illegal value, and can combine multiple types of application data packets to be sent to the VOBC at the same time, which may not be allowed in practice.
Meanwhile, a special test environment is adopted, and a simulation model is used for replacing real equipment, so that the cost can be reduced. Currently, there is no method related to design of ground equipment model in VOBC test environment, so a ZC simulation system in VOBC test environment is urgently needed.
Disclosure of Invention
The embodiment of the invention provides a ZC simulation system and a ZC simulation method in a VOBC test environment, which are used for overcoming the defect that no related ZC simulation system exists in the prior art and realizing related tests of the interaction function of VOBC and ZC equipment.
The embodiment of the invention provides a ZC simulation system in VOBC test environment, which comprises: the system comprises an interface module, a data processing module and an interface module, wherein the interface module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the interface module, and the other end of the interface module is connected with a target vehicle-mounted VOBC;
the interface module is used for unsealing a first general data packet sent by the target vehicle VOBC;
the data processing module is used for establishing connection with the interface module and processing the split first general data packet;
the interface module is used for displaying the processing result of the first general data packet.
According to the ZC simulation system in the VOBC test environment, the interface module is communicated with the target vehicle-mounted VOBC through the RSSP-II communication protocol, correspondingly, the interface module is further used for setting the contents of a general packet header and an application packet to generate a second general data packet and sending the second general data packet to the data processing module;
the data processing module processes the second general data packet and sends the processed second general data packet to the interface module;
the interface module sends the processed second general data packet to the target vehicle-mounted VOBC;
and the target vehicle-mounted VOBC is used for controlling the train to run according to the second general data packet.
According to the ZC simulation system in the VOBC test environment, the interface module is further used for setting the sending type of the second general data packet and sending the sending type of the second general data packet to the data processing module;
and the data processing module is also used for determining whether to automatically trigger data transmission according to the transmission type of the second general data packet.
According to the ZC simulation system in the VOBC test environment, the interface module is further used for storing and viewing all historical first general data and all historical second general data.
According to the ZC simulation system in the VOBC test environment, the target vehicle-mounted VOBC is also used for initiating an RSSP-II safety connection request to the interface module after positioning is established;
the interface module is also used for sending a message for requesting connection to the data processing module after receiving the safe connection request;
the data processing module is further configured to send a VOBC ID refresh message to the interface module after receiving the connection request message, and send a connection confirmation message to the interface module;
the interface module is also used for displaying the ID of the current connected target vehicle-mounted VOBC after receiving the VOBC ID refreshing message;
and the interface module is also used for establishing a safe connection with the target vehicle-mounted VOBC after receiving the connection confirmation message.
According to the ZC simulation system in the VOBC test environment, the target vehicle-mounted VOBC is also used for sending a safe connection disconnection request to the interface module;
the interface module is also used for forwarding the safety connection disconnection request to the data processing module;
the data processing module is further configured to send a message for deleting VOBC ID display to the interface module after receiving the security connection disconnection request, and send a disconnection confirmation message to the interface module;
the interface module is also used for not displaying the ID of the target vehicle-mounted VOBC after receiving the message of deleting the VOBC ID display;
and the interface module is also used for disconnecting the safe connection with the target vehicle-mounted VOBC after receiving the disconnection confirmation message.
The embodiment of the invention also provides a simulation method of the ZC simulation system in the VOBC test environment, which comprises the following steps:
unsealing a first general data packet sent by the target vehicle VOBC through the interface module;
establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and displaying the processing result of the first general data packet through the interface module.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the simulation method described above are implemented.
Embodiments of the present invention also provide a non-transitory computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the simulation method as described above.
The ZC simulation system and the simulation method in the VOBC test environment provided by the embodiment of the invention can realize data interaction with a target vehicle-mounted VOBC and can truly simulate the interaction between ZC equipment and the vehicle-mounted VOBC.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a ZC simulation system in a VOBC test environment according to an embodiment of the present invention;
FIG. 2 is a timing diagram illustrating the establishment of a secure connection between the ZC simulation system and a target vehicle VOBC according to the embodiment of the invention;
FIG. 3 is a timing diagram illustrating the receipt of application data and the automatic triggering of the application data when the application data transmission type is not manually set;
FIG. 4 is a timing diagram illustrating interaction between a ZC simulation system and a target vehicle VOBC according to another embodiment of the present invention;
FIG. 5 is a timing diagram illustrating interaction between a ZC simulation system and a target vehicle VOBC according to another embodiment of the present invention;
FIG. 6 is a disconnection timing diagram of a safe connection between a ZC simulation system and a target vehicle VOBC according to an embodiment of the present invention;
FIG. 7 is a flowchart of a simulation method based on a ZC simulation system in a VOBC test environment according to an embodiment of the present invention;
fig. 8 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following first explains the english terms involved in the embodiments of the present invention:
the VOBC represents a vehicle-mounted signal system and mainly comprises an ATP (automatic train protection) and an ATO (automatic train operation) and is mainly used for simulating interaction between external equipment and the vehicle-mounted VOBC and testing real equipment of the vehicle-mounted signal system.
The ZC simulation system is used for simulating real ZC equipment, realizing interaction with VOBC and testing interaction related functions of VOBC and ZC.
Theoretically, when the ZC simulation system communicates with the vehicle-mounted VOBC, the ZC simulation system can be divided into three layers, namely (1) a communication protocol layer which adopts RSSP-II safety protocol to communicate; (2) in the application layer, a universal data packet is interacted between the ZC simulation system and the VOBC in each period, and the universal data packet consists of a universal packet header and a plurality of application data packets of different types; (3) the universal data packet sent to VOBC by the ZC simulation system can contain four application data packets of registration and logout response, train control information, special control message and ZC active logout request; the general data packets sent by the VOBC to the ZC simulation system can comprise application data packets of registration request, logout request and train position information.
Fig. 1 is a schematic structural diagram of a ZC simulation system in a VOBC test environment according to an embodiment of the present invention, and as shown in fig. 1, the ZC simulation system includes an interface module 101, a data processing module 102, and an interface module 103, where:
the interface module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the interface module, and the other end of the interface module is connected with the target vehicle-mounted VOBC 104;
the interface module is used for unsealing a first general data packet sent by the target vehicle VOBC;
the data processing module is used for establishing connection with the interface module and processing the split first general data packet;
the interface module is used for displaying the processing result of the first general data packet.
The embodiment of the invention aims at realizing simulation of ZC equipment (a zone controller), and the designed ZC simulation system consists of three modules, namely an interface module, a data processing module and an interface module, wherein the interface module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the interface module, and the other end of the interface module is connected with a target vehicle-mounted VOBC.
The target vehicle-mounted VOBC is a test object in the embodiment of the invention, a safe connection request is initiated to the ZC simulation system after the train is positioned, application data can be sent to the ZC simulation system after the safe connection is established, and the application data sent by the ZC simulation system is received to control the running of the train.
Specifically, when the interactive test is performed, the target vehicle-mounted VOBC sends the first general data packet to the interface module, unseals the first general data packet, and sends the unsealed first general data packet to the data processing module. The data processing module is connected with the interface module, processes the unpacked first general data packet, and sends a processing result to the interface module, and the interface module displays the processing result of the first general data packet.
The ZC simulation system in the VOBC test environment provided by the embodiment of the invention can realize data interaction with a target vehicle-mounted VOBC and can truly simulate the interaction of ZC equipment and the vehicle-mounted VOBC.
On the basis of the foregoing embodiment, preferably, the interface module communicates with the target vehicle-mounted VOBC through a RSSP-II communication protocol, and correspondingly, the interface module is further configured to set a general packet header and contents of an application packet to generate a second general data packet, and send the second general data packet to the data processing module;
the data processing module processes the second general data packet and sends the processed second general data packet to the interface module;
the interface module sends the processed second general data packet to the target vehicle-mounted VOBC;
and the target vehicle-mounted VOBC is used for controlling the train to run according to the second general data packet.
Specifically, an RSSP-II communication protocol is established between the interface module and the target vehicle-mounted VOBC, the RSSP-II communication protocol is a railway safety communication protocol, interaction between a user and the simulation system can be carried out through the interface module, the user can set the contents of a universal packet header and an application packet on the interface module so as to generate a second universal data packet, and the second universal data packet is sent to the data processing module.
And the data processing module processes the second general data packet and sends the processed second general data packet to the interface module.
And the interface module sends the processed second general data packet to the target vehicle-mounted VOBC, and the target vehicle-mounted VOBC controls the train to run according to the second general data packet.
The embodiment of the invention can simulate the functions which are not possessed by real ZC equipment, and comprises the steps of sending the application data type, the application data field and the universal data packet head which do not accord with the protocol requirement, thereby realizing the test of the reverse case.
On the basis of the foregoing embodiment, preferably, the interface module is further configured to set a sending type of the second general data packet, and send the sending type of the second general data packet to the data processing module;
and the data processing module is also used for determining whether to automatically trigger data transmission according to the transmission type of the second general data packet.
Specifically, the interface module may further set a sending type of the second general data packet, and send the sending type of the second general data packet to the data processing module, where the sending type of the second general data packet includes a manual sending type and a non-manual sending type, and if the sending type is the manual sending type, the data processing module controls data sending according to the manual sending type, and if the sending type is the non-manual sending type, the data sending is automatically triggered.
On the basis of the above embodiment, preferably, the interface module is further configured to store and view all historical first general data and all historical second general data.
Specifically, the interface module is further configured to store all historical data, including historical first general data and historical second general data, that is, all received first general data and all sent second general data need to be stored.
To sum up, the interface module, the data processing module and the interface module provided by the embodiment of the present invention include the following functions:
an interface module: the system integrates an RSSP-II safety communication protocol stack, mainly realizes communication between a ZC simulation system and the RSSP-II of a vehicle-mounted VOBC, for example, establishes RSSP-II safety connection with the vehicle-mounted VOBC; packaging the second general data packet sent by the data processing module by an RSSP-II protocol, and sending the second general data packet to the vehicle-mounted VOBC; and unpacking the first general data packet encapsulated by the RSSP-II protocol sent by the VOBC and then sending the first general data packet to the data processing module.
An interface module: the ZC simulation system mainly realizes the operation entry and interface display of the ZC simulation system and mainly comprises a sending setting interface, a received data display interface and a historical sending data display interface. In operation, the general packet head and the content of each type of application packet in the interface protocol can be set, and the general packet head and the content of each type of application data packet are sent to the data processing module as data for sending; whether a general packet is sent or not can be set, whether certain type of application data is sent or not can be set, and the sending states of the general packet and various types of application data packets are sent to the data processing module to control the sending of the data; whether the application data sending type is manually set or not can be set, and whether the application data sending type is manually set or not is sent to the data processing module so as to control whether the data sending is automatically triggered or not; on the display, the application data packs for receiving VOBCs sent by the data processing module and the application data packs sent historically may be displayed on the interface, and the VOBC ID of the current connection may be displayed on the interface.
A data processing module: the method is mainly responsible for data processing of the ZC simulation system. Establishing and disconnecting related messages in interactive secure connection with the interface module, and interacting application data messages with the interface module to realize the receiving and sending of application data; receiving various types of application data and various control states set by the interface module, wherein the various control states comprise a transmitted data type, whether an application data transmission type is manually set and the like, transmitting the received application data to the interface module to receive data interface display, and simultaneously transmitting the application data transmitted to the interface module to a historical data recording module of the interface module to display.
The control of the data processing module application data sending mainly depends on the type of the received application data and the type of the sending data set by the interface, when the interface sets the sending type of the application data manually, the data is sent according to the type of the sending data set by the interface, otherwise, the sending default application data is automatically triggered according to the type of the received application data.
The interaction between the ZC simulation system and the target vehicle-mounted VOBC mainly relates to the establishment of RSSP-II secure connection, the interaction of application data and the disconnection of secure connection, and a model data interaction flow designed by the method is introduced aiming at the interaction process of the ZC on the VOBC:
on the basis of the above embodiment, preferably, the target vehicle VOBC is further configured to initiate an RSSP-II secure connection request to the interface module after establishing positioning;
the interface module is also used for sending a message for requesting connection to the data processing module after receiving the safe connection request;
the data processing module is further configured to send a VOBC ID refresh message to the interface module after receiving the connection request message, and send a connection confirmation message to the interface module;
the interface module is also used for displaying the ID of the current connected target vehicle-mounted VOBC after receiving the VOBC ID refreshing message;
and the interface module is also used for establishing a safe connection with the target vehicle-mounted VOBC after receiving the connection confirmation message.
Fig. 2 is a timing diagram illustrating the establishment of a secure connection between the ZC simulation system and the target vehicle VOBC in the embodiment of the present invention, and as shown in fig. 2, the process of establishing a secure connection between the VOBC and the ZC is as follows:
(1) and after the ZC simulation system is started, the data processing module sends RSSP-II connection parameters of the ZC simulation system and the target vehicle-mounted VOBC to the interface module.
(2) And initializing the RSSP-II protocol stack, and then waiting for establishing a secure connection with the target vehicle-mounted VOBC.
(3) And after the target vehicle-mounted VOBC is positioned, initiating an RSSP-II safety connection request to the interface module.
(4) And the interface module receives the safety connection request and sends a message for requesting connection to the data processing module.
(5) And after receiving the connection request message, the data processing module sends a VOBC ID refreshing message to the interface module and simultaneously replies a connection confirmation message to the interface module.
(6) And after receiving the VOBC ID refreshing message, the interface module displays the ID of the VOBC currently connected through the interface.
(7) And after receiving the connection confirmation message, the interface module agrees to establish a secure connection with the VOBC and establishes the RSSP-II secure connection.
Aiming at the interaction process of the ZC simulation system and the target vehicle-mounted VOBC application data, the implementation steps are as follows:
(1) and the target vehicle-mounted VOBC sends a general data packet with application data packaged by the RSSP security protocol to the interface module.
(2) And after the interface module unpacks the received safety protocol data, the universal data packet with the application data is sent to the data processing module.
(3) The data processing module firstly checks the head of the general packet, starts to process the application data in the general packet after the check is passed, and sends the received application data to the interface module.
(4) And the interface module receives the application data and displays the received application data on a receiving interface.
(5) And the data processing module judges the type of the application data to be sent and the data content according to whether the interface is 'manually set the application data sending type' or not and the received data type, adds the universal packet header to the application data to be sent to form a universal data packet, sends the universal data packet with the application data to the interface module, and simultaneously sends the sent application data to the interface module as historical sending data.
(6) And the interface module receives the application data sent to the VOBC and displays the sent application data on the history sending interface.
(7) And after receiving the general data packet with the application data, the interface module is packaged by an RSSP-II secure communication protocol and then sent to the VOBC.
For different settings of the interface, the message type and content sent by the data processing module are introduced separately, fig. 3 is a sequence diagram of receiving and automatically triggering application data when the application data sending type is not manually set, as shown in fig. 3, the steps are as follows:
if the interface does not set the manual setting of the application data sending type, the data processing module automatically triggers the sending of the data according to the received application data:
when a registration/logout request of the VOBC is received, a registration success response or a logout success response is automatically replied;
and automatically replying the special control message after receiving the train position information of the VOBC.
If the interface sets "manually set application data transmission type", it indicates that the data type transmitted at this time depends on manual setting, regardless of the received application data type, the transmitted application data depends on the application data transmission type and application data content set by the interface, and it can set to transmit a single type of application data packet, or transmit multiple types of application data packets simultaneously, and may not meet the requirements of the interface protocol on the interactive application data type, fig. 4 is an interaction timing diagram between a ZC simulation system and a target vehicle-mounted VOBC according to yet another embodiment of the present invention, and a specific data interaction flow is shown in fig. 4.
When the interface is set with 'manually set application data sending type', the sent application data type depends on the sending data type set by the interface, the sent data type is required to meet the requirement of the interface protocol on the application data interaction type under normal conditions, and the correct sending data type and content can be manually set according to the received data type.
When a registration/deregistration request of the VOBC is received, a registration/deregistration response is replied;
when train position information of the VOBC is received, a special control message or train control information is replied;
the ZC unsolicited de-registration request may also be proactively sent to the VOBC.
When the type of the interactive data conforms to the interface protocol, fig. 5 is an interactive sequence diagram between a ZC simulation system and a target vehicle VOBC according to another embodiment of the present invention, and the data interaction process is shown in fig. 5.
Additionally, if the interface sets "manually set application data transmission type", the application data interaction with the VOBC can be controlled by setting whether to transmit the general packet:
setting a transmission permission general packet, and transmitting the set data type and content to be transmitted to the VOBC;
the general purpose pack is set not to be allowed to be transmitted, and transmission of application data to the VOBC will be stopped.
On the basis of the foregoing embodiment, preferably, the target vehicle-mounted VOBC is further configured to send a secure connection disconnection request to the interface module;
the interface module is also used for forwarding the safety connection disconnection request to the data processing module;
the data processing module is further configured to send a message for deleting VOBC ID display to the interface module after receiving the security connection disconnection request, and send a disconnection confirmation message to the interface module;
the interface module is also used for not displaying the ID of the target vehicle-mounted VOBC after receiving the message of deleting the VOBC ID display;
and the interface module is also used for disconnecting the safe connection with the target vehicle-mounted VOBC after receiving the disconnection confirmation message.
Fig. 6 is a disconnection timing chart of a secure connection between the ZC simulation system and the target vehicle-mounted VOBC according to an embodiment of the present invention, as shown in fig. 6, the steps are as follows:
(1) when the VOBC judges that the condition for disconnecting the safe connection with the ZC is met, sending a safe connection disconnection request to the interface module;
(2) the interface module forwards a disconnection request sent by the VOBC to the data processing module;
(3) after receiving the message of disconnection, the data processing module sends a message of deleting VOBC ID display to the interface module and sends a message of confirming the disconnection to the interface module;
(4) after the interface receives the message of deleting the VOBC ID display, the interface does not display the VOBC ID any more;
(5) after receiving the message of disconnection confirmation, the interface module disconnects the secure connection with the VOBC, does not maintain the secure communication with the VOBC, and starts to continuously wait for the next secure connection request of the VOBC.
In the above description, the automatic trigger transmission of data and the transmission of an illegal message type (application packet to be transmitted can be freely combined) have been introduced. The model designed by the method can realize the following operations and data processing interactive logic besides the operations and data processing interactive logic described above:
firstly, setting a universal data packet header.
Through configuration, the interface module can realize the setting of protocol version number and data version checking information in the universal packet header and can control the serial number in the packet header not to be updated.
And secondly, setting illegal values of the application data.
By configuration, the interface module can provide settings of illegal values for certain fields in application data in the data setting interface, such as values of turnout opening except positioning and reversing in train control information, values of PSD state except closing, opening and bypassing, and the like.
And thirdly, storing and reading the setting data.
The interface module can realize the recording and reading of different types of application data after the setting is finished. After the setting of a certain type of application data is finished, the currently set data can be recorded in a data type remark mode, when the model is restarted or the application data with the same type and content needs to be set again, the unique application data can be identified through the data type remark, and the recorded application data is read and displayed on the interface, so that each field value does not need to be reset aiming at the application data. For the ZC model, especially for train control information, a large number of data fields are involved, the setting needs a long time, the set data is not necessarily completely correct (the combination of the field values does not meet the requirements of the train control information), and if the set application data can be recorded and read, the test efficiency can be greatly improved.
In the test of the cross-correlation function between the ZC simulation system and the vehicle-mounted VOBC, the test steps are as follows:
1. firstly, after receiving a connection request of the VOBC, the model can normally establish RSSP-II secure connection with the VOBC equipment.
2. After the secure connection is established, the interaction with the application data of the VOBC can be realized, including the decapsulation of the received data RSSP-II and the verification of the header of the general packet, and the application data form the general packet and the encapsulation of the RSSP-II when the data is sent;
the model can display the received application data and the historically sent application data on an interface;
when sending data, the type of the sent application data, the content of the application data and the content of the universal packet header can be set on an interface and can not meet the requirement of a protocol;
the model can control the sent data content according to the setting of the interface and the type of the received application data:
a. when the interface is not set with 'manually set application data transmission type', automatically transmitting data of corresponding type and content according to the type of the received VOBC application data:
when a registration/logout request of the VOBC is received, a registration success response or a logout success response is automatically replied;
and automatically replying the special control message after receiving the train position information of the VOBC.
b. When the interface sets "manually set application data transmission type", the type and content of the transmitted application data depend on the setting of the interface, and a single type of application data or a plurality of different types of application data can be transmitted to the VOBC regardless of the type of application data received.
3. And finally, after receiving a disconnection request of the VOBC, the model can normally disconnect the RSSP-II safety connection with the VOBC equipment.
In summary, the embodiment of the present invention can store the application data of a certain type after being set with remarks, and can directly read the stored application data when the application data of the same type and content needs to be set, without manual resetting.
Fig. 7 is a flowchart of a simulation method based on a ZC simulation system in a VOBC test environment according to an embodiment of the present invention, and as shown in fig. 7, the method includes:
s1, unsealing the first general data packet sent by the target vehicle VOBC through the interface module;
s2, establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and S3, displaying the processing result of the first universal data packet through the interface module.
The present embodiment is a method embodiment corresponding to the system embodiment, and please refer to the system embodiment for details, which is not described herein again.
Fig. 8 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 8, the electronic device may include: a processor (processor)810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. The processor 810 may invoke logic instructions in the memory 830 to perform a method for simulating a ZC simulation system in a VOBC-based test environment, the method comprising:
unsealing a first general data packet sent by the target vehicle VOBC through the interface module;
establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and displaying the processing result of the first general data packet through the interface module.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, when the program instructions are executed by a computer, the computer is capable of executing a simulation method based on a ZC simulation system in a VOBC test environment, the method includes:
unsealing a first general data packet sent by the target vehicle VOBC through the interface module;
establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and displaying the processing result of the first general data packet through the interface module.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to perform a simulation method based on a ZC simulation system in a VOBC test environment provided by the above embodiments, the method including:
unsealing a first general data packet sent by the target vehicle VOBC through the interface module;
establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and displaying the processing result of the first general data packet through the interface module.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A ZC simulation system in a VOBC test environment, comprising: the system comprises an interface module, a data processing module and an interface module, wherein the interface module is connected with one end of the data processing module, the other end of the data processing module is connected with one end of the interface module, and the other end of the interface module is connected with a target vehicle-mounted VOBC;
the interface module is used for unsealing a first general data packet sent by the target vehicle VOBC;
the data processing module is used for establishing connection with the interface module and processing the split first general data packet;
the interface module is used for displaying the processing result of the first general data packet.
2. A ZC simulation system in a VOBC test environment according to claim 1 wherein the interface module communicates with the target vehicle VOBC via RSSP-II communication protocol, and accordingly the interface module is further adapted to set the contents of a general pack header and an application pack to generate a second general data pack and send the second general data pack to the data processing module;
the data processing module processes the second general data packet and sends the processed second general data packet to the interface module;
the interface module sends the processed second general data packet to the target vehicle-mounted VOBC;
and the target vehicle-mounted VOBC is used for controlling the train to run according to the second general data packet.
3. A ZC simulation system in a VOBC test environment according to claim 1 wherein said interface module is further adapted to set a transmission type of said second general packet and transmit the transmission type of said second general packet to said data processing module;
and the data processing module is also used for determining whether to automatically trigger data transmission according to the transmission type of the second general data packet.
4. A ZC simulation system in a VOBC test environment according to claim 1 wherein the interface module is further adapted to store and view all historical first generic data and all historical second generic data.
5. A ZC simulation system in a VOBC test environment according to claim 1 wherein said target vehicle VOBC is further configured to initiate a RSSP-II secure connection request to said interface module after establishing a location;
the interface module is also used for sending a message for requesting connection to the data processing module after receiving the safe connection request;
the data processing module is further configured to send a VOBC ID refresh message to the interface module after receiving the connection request message, and send a connection confirmation message to the interface module;
the interface module is also used for displaying the ID of the current connected target vehicle-mounted VOBC after receiving the VOBC refreshing message;
and the interface module is also used for establishing a safe connection with the target vehicle-mounted VOBC after receiving the connection confirmation message.
6. A ZC simulation system in a VOBC test environment according to claim 1 wherein said target vehicle VOBC is further configured to send a secure connection disconnection request to said interface module;
the interface module is also used for forwarding the safety connection disconnection request to the data processing module;
the data processing module is further configured to send a message for deleting VOBCID display to the interface module after receiving the security connection disconnection request, and send a disconnection confirmation message to the interface module;
the interface module is also used for not displaying the ID of the target vehicle-mounted VOBC after receiving the message of deleting the VOBC display;
and the interface module is also used for disconnecting the safe connection with the target vehicle-mounted VOBC after receiving the disconnection confirmation message.
7. A simulation method of a ZC simulation system in a VOBC test environment according to any one of claims 1 to 6, comprising:
unsealing a first general data packet sent by the target vehicle VOBC through the interface module;
establishing connection with the interface module through the data processing module, and processing the split first general data packet;
and displaying the processing result of the first general data packet through the interface module.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the simulation method of claim 7 when executing the program.
9. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the simulation method according to claim 7.
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| CN113434411A (en) * | 2021-06-28 | 2021-09-24 | 通号城市轨道交通技术有限公司 | TIAS function test method and system |
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