CN112109776B - Train mass data processing device and method - Google Patents
Train mass data processing device and method Download PDFInfo
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- CN112109776B CN112109776B CN202010876202.8A CN202010876202A CN112109776B CN 112109776 B CN112109776 B CN 112109776B CN 202010876202 A CN202010876202 A CN 202010876202A CN 112109776 B CN112109776 B CN 112109776B
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Abstract
The embodiment of the invention provides a train mass data processing device and a train mass data processing method. The embodiment of the invention provides a shared information middle station which is used for connecting an internal signal system and an external manufacturer system, the shared information middle station acquires various information of a train from the internal signal system, the predicted time of the train reaching the station platform is calculated in advance on the shared information middle station according to the various information of the train, the predicted time corresponding to the external manufacturer system is directly returned from the shared information middle station according to the request of the external manufacturer system, the external manufacturer system is not directly communicated with the internal signal system, and the repeated request of the external manufacturer system does not influence the internal signal system; in addition, the prediction time is calculated in advance on the shared information station, and the real-time performance is high.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a train mass data processing device and method.
Background
At present, the external interfaces of the rail transit system specifically refer to programs such as broadcasting (PA), Passenger Information (PIS), wireless (Radio), and network command center (TCC), and a single device or a plurality of programs of each interface program share one device to correspond to different external manufacturers. When the data required by different external interface manufacturers are different, the internal signal system and the interactive protocol specification of the internal signal system are changed, and the corresponding communication data structure is changed, after the external interface manufacturers request relevant information, the signal system needs to acquire relevant data packet calculation prediction information again, and the change and increase of the external interface manufacturers mean the continuous change of equipment and programs, so that the external interface manufacturers continuously force the internal signal system to be used as a data source to give corresponding adjustment, and the pressure, labor development waste and unnecessary work of the internal signal system are caused.
With the continuous development of informatization, automation and intellectualization, external manufacturers are continuously increasing, required information is continuously abundant, and hundreds of external interface manufacturers mean that an internal signal system is used as a data source to change data, programs and equipment for thousands of times. The redundancy of various protocols, programs, devices and data which always continuously appear seriously restricts the information interaction efficiency of an internal signal system and an external manufacturer.
Disclosure of Invention
The embodiment of the invention provides a train mass data processing device and a train mass data processing method, which are used for solving the problem of system pressure caused by calculating the forecast time of a train reaching a platform in real time according to the request of an external manufacturer system in the prior art, realizing the calculation of the forecast time of the train reaching the platform in advance and lightening the system pressure.
The embodiment of the invention provides a train mass data processing device which comprises a plurality of internal signal systems, a shared information middle platform and a plurality of external factory systems, wherein the shared information middle platform is connected with an exchanger, and a port provided by the exchanger is connected with each internal signal system and each external factory system;
the shared information middle station is used for periodically acquiring train real-time information and train non-real-time information from each internal signal system and acquiring train number information of each station according to the train real-time information and the train non-real-time information; and for any one of the platforms, calculating a predicted time for each train to reach said any one of the platforms; the system is also used for returning the predicted time for the trains with the preset number to arrive at the platform corresponding to the platform information according to the platform information in the request information of the external manufacturer system;
each external factory system is used for sending request information to the station in the shared information, and the request information at least comprises station information.
On the basis of the technical scheme, the embodiment of the invention can be improved as follows.
Optionally, the train real-time information includes train number information, display information and train position information, and the train non-real-time information includes planned operation diagram information of the train and actual operation diagram information of the train; the shared information central station is used for periodically acquiring real-time information and non-real-time information of the train from each internal signal system and comprises:
the information sharing center station acquires real-time information of the train from each internal signal system according to a first preset time interval and acquires non-real-time information of the train according to a second preset time interval, wherein the first preset time interval is smaller than the second preset time interval.
Optionally, for any one of the platforms, calculating the predicted time for each train to arrive at the any one of the platforms includes:
for any one platform, calculating the predicted time for any one train to arrive at any one platform according to the real-time for any one train to arrive at the previous platform of any one platform and the predicted early-late point time for arriving at any one platform;
and the predicted early-late point time is calculated according to the real-time of any one train reaching each platform and the planned time of reaching each platform on the planned operation diagram.
Optionally, the information sharing center station is further configured to:
calculating corresponding actual early-late point time deviation according to the predicted time of any train reaching any platform and the planned time of any train reaching the platform on the planned operation diagram;
and taking corresponding measures according to the actual time deviation of the early and late points so as to eliminate the time deviation of the early and late points.
Optionally, the step of calculating, by the central station of the shared information, the predicted time for any train to arrive at any one of the platforms further includes:
and sequencing the plurality of trains which are about to enter any one platform according to the predicted time of arriving at any one platform, and storing the train number information of the preset number of trains which arrive at any one platform before the predicted time and the corresponding predicted time.
Optionally, the storing the train number information of the preset number before the predicted time of arriving at any one of the platforms and the corresponding predicted time includes:
taking a platform as a unit, storing train number information of a preset number, which is ahead of the predicted time of arriving at the same platform, and corresponding predicted time in a corresponding register of a platform in the shared information in a data packet mode;
maintaining a first table, wherein the first table stores the corresponding relationship between the station information and the register information;
maintaining a second table storing a correspondence between the external factory system and the station information.
Optionally, the information sharing center station is further configured to:
searching corresponding platform information from the second table according to an external manufacturer system, and searching corresponding register information from the first table according to the platform information;
and correspondingly configuring the data packet in the register corresponding to the register information according to the data format required by the external manufacturer system.
Optionally, the information sharing center station is further configured to return the predicted time when a preset number of trains arrive at the station corresponding to the station information according to the station information in the request information of the external manufacturer system, where the predicted time includes:
according to the station information in the request information of the external manufacturer system, searching the register information corresponding to the station information from the table;
and extracting the train number information of the preset number of the train arriving at the platform corresponding to the platform information and the corresponding predicted time from the corresponding register according to the searched register information, and returning the train number information and the corresponding predicted time to the external manufacturer system.
The embodiment of the invention also provides a train mass data processing method, which comprises the following steps:
the shared information middle station periodically acquires real-time information and non-real-time information of the train from each internal signal system, and train number information of each station is obtained according to the real-time information and the non-real-time information of the train;
for any one platform, calculating the predicted time for each train to reach the any one platform;
receiving request information sent by each external manufacturer system, wherein the request information at least comprises station information;
and returning the predicted time for the trains with the preset number to arrive at the platform corresponding to the platform information according to the platform information in the request information of the external manufacturer system.
The device and the method for processing the mass data of the train provided by the embodiment of the invention provide a shared information middle station which is used for connecting an internal signal system and an external manufacturer system, the shared information middle station obtains various information of the train from the internal signal system, the predicted time of the train reaching a platform is calculated in advance on the shared information middle station according to the various information of the train, and the predicted time corresponding to the external manufacturer system is directly returned to the external manufacturer system from the shared information middle station according to the request of the external manufacturer system, the external manufacturer system is not directly communicated with the internal signal system, but is communicated with the shared information middle station, the repeated request of the external manufacturer system cannot influence the internal signal system, and the internal signal system cannot be subjected to too large pressure; in addition, the predicted time of the train reaching the platform is calculated in advance on the platform in the shared information, compared with the existing method that the predicted time is calculated according to the request of an external manufacturer system, the real-time performance is high, meanwhile, the huge pressure of the system caused by the simultaneous request of a plurality of different external manufacturer systems is not brought by calculation, the predicted time is calculated in advance, when the external manufacturer system requests, the predicted time calculated in advance is directly returned to the external manufacturer system, the system pressure is low, and the real-time performance of returning the predicted time is high.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions in the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a train mass data processing device according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a train mass data processing method provided by 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.
Referring to fig. 1, a train mass data processing device is provided, which includes a plurality of internal signal systems, a shared information middlebox, and a plurality of external manufacturer systems, wherein the shared information middlebox is connected to a switch, and the switch provides a port to connect each internal signal system and each external manufacturer system. The shared information middle station is used for periodically acquiring real-time information and non-real-time information of the train from each internal signal system and acquiring train number information of each station according to the real-time information and the non-real-time information of the train; and for any one of the platforms, calculating a predicted time for each train to reach said any one of the platforms; the system is also used for returning the predicted time of the preset number of trains reaching the platform corresponding to the platform information according to the platform information in the request information of the external manufacturer system; each external manufacturer system is used for sending request information to the station in the shared information, and the request information at least comprises station information.
It can be understood that, based on the defects of the conventional method in the background art and based on the mass data of the train, the embodiment of the invention provides a device for processing the mass data of the train, which mainly provides a shared information middle station on the original basis, and each internal signal system and each external manufacturer system are connected through the shared information middle station, so that each external manufacturer system is not directly communicated with the internal signal system but communicated with the shared information middle station, and the pressure of the internal signal system cannot be caused by the repeated requests of the external manufacturer systems.
The shared information middle station acquires various information of the train from the internal signal system, calculates the predicted time for the train to reach the platform in advance on the shared information middle station according to the various information of the train, and directly returns the predicted time corresponding to the external manufacturer system from the shared information middle station to the external manufacturer system according to the request of the external manufacturer system, the external manufacturer system is not directly communicated with the internal signal system but communicated through the shared information middle station, the repeated request of the external manufacturer system cannot influence the internal signal system, and the internal signal system cannot be subjected to too much pressure; in addition, the predicted time of the train reaching the platform is calculated in advance on the platform in the shared information, compared with the existing method that the predicted time is calculated according to the request of an external manufacturer system, the real-time performance is high, meanwhile, the huge pressure of the system caused by the simultaneous request of a plurality of different external manufacturer systems is not brought by calculation, the predicted time is calculated in advance, when the external manufacturer system requests, the predicted time calculated in advance is directly returned to the external manufacturer system, the system pressure is low, and the real-time performance of returning the predicted time is high.
The train real-time information mainly comprises train number information, display information and train position information, and the train non-real-time information comprises planned operation diagram information of the train and actual operation diagram information of the train. The display information of the train includes, for example, signal light control information, i.e., traffic light information. The planned operation diagram information of the train, namely the originally planned train operation information, comprises the operation route of the train and the time (called planning time) for planning to reach each platform; the actual operation diagram information of the train is obtained according to the actual operation route of the train, and mainly comprises the time (called actual time) when the train actually arrives at each station.
The information sharing center station is used for periodically acquiring real-time information and non-real-time information of the train from each internal signal system and comprises: the information sharing center station acquires real-time information of the train from each internal signal system according to a first preset time interval and acquires non-real-time information of the train according to a second preset time interval, wherein the first preset time interval is smaller than the second preset time interval. For example, the station in the shared information acquires the real-time information of the train from each internal signal system every 500ms, and acquires the non-real-time information of the train from each internal signal system three times a day.
As a possible embodiment, for any one of the platforms, calculating the predicted time for each train to arrive at said any one of the platforms includes: for any platform, calculating the predicted time for any train to arrive at any platform according to the real-time for any train to arrive at the previous platform of any platform and the predicted early-late point time for arriving at any platform; and the predicted early-late point time is calculated according to the real-time of any one train reaching each platform and the planned time of reaching each platform on the planned operation diagram.
It can be understood that, since the station in the shared information obtains the real-time information of the train and the non-real-time information of the train from the internal signal system at intervals, the station in the shared information can also continuously calculate the predicted time of each train reaching any one station according to the continuously updated train information.
Specifically, for example, for a certain platform, when calculating the predicted time for any one train to reach the platform, the time is calculated according to the actual time for the train to reach the platform before the platform and the predicted time for the train to reach the platform.
The method comprises the steps that for the running route of a train, corresponding early-late point time exists when the train passes through each platform, curve fitting is conducted between the early-late point time and the station according to the early-late point time when the train passes through each platform, and the predicted early-late point time when the train reaches the next station can be obtained according to a fitted curve. And calculating the predicted time (the predicted real-time) when the train reaches the current platform according to the actual time when the train reaches the last platform of the current platform and the predicted early and late point time when the train reaches the current platform.
As a possible implementation, the information sharing center station is further configured to: calculating corresponding actual early-late point time deviation according to the predicted time when any train reaches any platform and the planned time when any train reaches any platform on the planned operation diagram; and taking corresponding measures according to the actual time deviation of the early-late point so as to eliminate the time deviation of the early-late point.
It can be understood that the actual time deviation of the train arriving at the current platform can be calculated according to the actual time of the train arriving at the current platform and the planned time of the train arriving at the current platform on the operation diagram. And taking corresponding measures according to the calculated actual time deviation of the early and late points to eliminate the early and late points, so that the time of the train reaching the current platform is consistent with the planned time of the train reaching the platform on the planned operation diagram as much as possible.
When the late point is predicted, the running speed of the train between the last platform and the current platform can be increased or the stop time of the train at the current platform can be reduced.
As a possible embodiment, the step of calculating, by the central station in the shared information, the predicted time for any train to arrive at any one of the plurality of stations further comprises: the method comprises the steps of sequencing a plurality of trains which are about to enter any platform according to the predicted time of arriving at any platform, and storing the train number information of the preset number of trains which arrive at any platform in front of the predicted time and the corresponding predicted time.
It can be understood that, according to the above method, the predicted time for each train to reach any one platform to reach the platform is calculated, the trains are sorted according to the predicted time for reaching the platform, and the train number information of the top-ranked preset number of trains and the predicted time for reaching the platform are stored. During specific storage, the train number information of the preset number of trains with the predicted time before reaching the same platform and the corresponding predicted time are stored in the corresponding registers of the platform in the shared information in the form of data packets by taking the platform as a unit, wherein the data packets of one platform are correspondingly stored in one register.
In addition, a first table is maintained on the station in the shared information, and the first table stores the corresponding relation between the station information and the register information; and maintaining a second table, wherein the second table stores the corresponding relation between the external factory system and the platform information.
As a possible implementation, the shared information middlebox is further configured to: searching corresponding platform information from the second table according to an external manufacturer system, and searching corresponding register information from the first table according to the platform information; and correspondingly configuring the data packet in the register corresponding to the register information according to the data format required by the external manufacturer system.
It will be appreciated that different external vendor systems may require different data formats and that each external vendor system may request different station related information, wherein the corresponding register information is found in the shared information table according to the station information requested by the external vendor system. And correspondingly configuring the data packet in the register according to the data format required by the corresponding external manufacturer system.
As a possible embodiment, the sharing information center is further configured to return the predicted time when the preset number of trains arrive at the platform corresponding to the platform information according to the platform information in the request information of the external manufacturer system, and the method includes: according to the station information in the request information of the external manufacturer system, searching register information corresponding to the station information from the first table; and extracting the train number information of the preset number of the trains arriving at the platform corresponding to the platform information and the corresponding prediction time from the corresponding register according to the searched register information, and returning the train number information and the corresponding prediction time to an external manufacturer system.
It can be understood that, when the external manufacturer system requests information from the station in the shared information, the station in the shared information finds the corresponding register according to the station information in the request information, and extracts the corresponding data packet from the register and returns the data packet to the external manufacturer system, where the data includes the predicted time for the preset number of trains to reach the station corresponding to the station information.
Referring to fig. 2, a train mass data processing method is provided, which includes: s1, the shared information center station periodically acquires real-time information and non-real-time information of the train from each internal signal system, and train number information of each station is obtained according to the real-time information and the non-real-time information of the train; s2, for any one of the platforms, calculating a predicted time for each train to reach said any one of the platforms; s3, receiving request information sent by each external manufacturer system, wherein the request information at least comprises station information; and S4, returning the predicted time for the train with the preset number to arrive at the platform corresponding to the platform information according to the platform information in the request information of the external manufacturer system.
The method comprises the steps that a shared information middle station obtains various information of a train from an internal signal system, the predicted time of the train reaching the station is calculated in advance on the shared information middle station according to the various information of the train, the predicted time corresponding to an external manufacturer system is directly returned to the external manufacturer system from the shared information middle station according to the request of the external manufacturer system, the external manufacturer system is not directly communicated with the internal signal system, but is communicated through the shared information middle station, repeated requests of the external manufacturer system cannot influence the internal signal system, and too much pressure cannot be applied to the internal signal system; in addition, the predicted time of the train reaching the platform is calculated in advance on the platform in the shared information, compared with the existing method that the predicted time is calculated according to the request of an external manufacturer system, the real-time performance is high, meanwhile, the huge pressure of the system caused by the simultaneous request of a plurality of different external manufacturer systems is not brought by calculation, the predicted time is calculated in advance, when the external manufacturer system requests, the predicted time calculated in advance is directly returned to the external manufacturer system, the system pressure is low, and the real-time performance of returning the predicted time is high.
The train real-time information comprises train number information, display information and train position information, and the train non-real-time information comprises planned operation diagram information of the train and actual operation diagram information of the train. The information sharing center station acquires real-time information of the train from each internal signal system according to a first preset time interval and acquires non-real-time information of the train according to a second preset time interval, wherein the first preset time interval is smaller than the second preset time interval. For example, the station in the shared information acquires the real-time information of the train from each internal signal system every 500ms, and acquires the non-real-time information of the train from each internal signal system three times a day.
For any platform, the predicted time for any train to arrive at any platform is calculated according to the real-time for any train to arrive at the previous platform of any platform and the predicted early-late point time for the train to arrive at any platform.
As a possible implementation, calculating the corresponding actual early-late point time deviation according to the predicted time of any train arriving at any platform and the planned time of any train arriving at the platform on the planned operation diagram; and taking corresponding measures according to the actual time deviation of the early-late point so as to eliminate the time deviation of the early-late point.
Wherein, the step of calculating the predicted time for any train to arrive at any platform by the central station in the shared information further comprises the following steps: and sequencing a plurality of trains which are about to enter any one platform according to the predicted time of arriving at any one platform, and storing the train number information of the preset number of trains which arrive at any one platform at the front of the predicted time and the corresponding predicted time.
Wherein the storing of the train number information of the preset number before the predicted time to reach any one of the platforms and the corresponding predicted time comprises: taking a platform as a unit, storing train number information of a preset number and corresponding predicted time, which are ahead of the predicted time of arriving at the same platform, in a corresponding register of a platform in the shared information in the form of a data packet; maintaining a first table, wherein the first table stores the corresponding relation between the station information and the register information; and maintaining a second table, wherein the second table stores the corresponding relation between the external factory system and the platform information.
The shared information middle station searches corresponding station information from the second table according to an external manufacturer system, and searches corresponding register information from the first table according to the station information; and correspondingly configuring the data packet in the register corresponding to the register information according to the data format required by the external manufacturer system.
As a possible implementation manner, the station in the shared information searches the register information corresponding to the station information from the table according to the station information in the request information of the external manufacturer system; and extracting the train number information of the preset number of the train arriving at the platform corresponding to the platform information and the corresponding predicted time from the corresponding register according to the searched register information, and returning the train number information and the corresponding predicted time to the external manufacturer system.
The embodiment of the invention provides a train mass data processing device and a train mass data processing method, wherein a shared information middle station is provided and used for connecting an internal signal system and an external manufacturer system, the shared information middle station acquires various information of a train from the internal signal system, the predicted time of the train reaching a platform is calculated in advance on the shared information middle station according to the various information of the train, and the predicted time is directly returned to the external manufacturer system from the shared information middle station according to the request of the external manufacturer system; in addition, the predicted time of the train reaching the platform is calculated in advance on the platform in the shared information, compared with the existing method that the predicted time is calculated according to the request of an external manufacturer system, the real-time performance is high, meanwhile, the huge pressure of the system caused by the simultaneous request of a plurality of different external manufacturer systems is not brought by calculation, the predicted time is calculated in advance, when the external manufacturer system requests, the predicted time calculated in advance is directly returned to the external manufacturer system, the system pressure is low, and the real-time performance of returning the predicted time is high.
After the predicted time of each train which is about to arrive at each platform and arrives at the platform is extracted and calculated on the shared information middle platform, the predicted time of arrival of the trains at different platforms is stored in different registers; according to the requirements of different external manufacturer systems, the data in the corresponding register is configured to generate the data with the format required by the different external manufacturer systems, so that the requirements of the different external manufacturer systems can be met.
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 (8)
1. A train mass data processing device is characterized by comprising a plurality of internal signal systems, a shared information middle station and a plurality of external factory systems, wherein the shared information middle station is connected with an exchanger, and the exchanger is provided with ports for connecting each internal signal system and each external factory system;
the shared information middle station is used for periodically acquiring train real-time information and train non-real-time information from each internal signal system and acquiring train number information of each station according to the train real-time information and the train non-real-time information; and for any one of the platforms, calculating a predicted time for each train to reach said any one of the platforms; the system is also used for returning the predicted time of the train reaching the platform corresponding to the platform information in the preset number according to the platform information in the request information of the external manufacturer system, and storing the train number information of the train reaching the same platform in the preset number and the corresponding predicted time in a corresponding register of the platform in the shared information in a data packet mode by taking the platform as a unit; maintaining a first table, wherein the first table stores the corresponding relationship between the station information and the register information; maintaining a second table, wherein the second table stores the corresponding relationship between the external manufacturer system and the platform information;
each external factory system is used for sending request information to the station in the shared information, and the request information at least comprises station information.
2. The train mass data processing device according to claim 1, wherein the train real-time information includes train number information, display information and train position information, and the train non-real-time information includes planned operation diagram information of a train and actual operation diagram information of the train; the shared information central station is used for periodically acquiring real-time information and non-real-time information of the train from each internal signal system and comprises:
the information sharing center station acquires real-time information of the train from each internal signal system according to a first preset time interval and acquires non-real-time information of the train according to a second preset time interval, wherein the first preset time interval is smaller than the second preset time interval.
3. The train mass data processing device according to claim 2, wherein said calculating, for any one of the platforms, a predicted time for each train to reach said any one of the platforms comprises:
for any one platform, calculating the predicted time for any one train to arrive at any one platform according to the real-time for any one train to arrive at the previous platform of any one platform and the predicted early-late point time for arriving at any one platform;
and the predicted early-late point time is calculated according to the real-time of any one train reaching each platform and the planned time of reaching each platform on the planned operation diagram.
4. The train mass data processing device according to claim 3, wherein the shared information middlebox is further configured to:
calculating corresponding actual early-late point time deviation according to the predicted time when any train reaches any platform and the planned time when any train reaches any platform on a planned operation diagram;
and taking corresponding measures according to the actual early-late point time deviation so as to eliminate the actual early-late point time deviation.
5. The train mass data processing device according to claim 3, wherein the step of calculating the predicted time of arrival of the any one train at the any one station by the central station of the shared information further comprises:
and sequencing a plurality of trains which are about to enter any one platform according to the predicted time of arriving at any one platform, and storing the train number information of the preset number of trains which arrive at any one platform at the front of the predicted time and the corresponding predicted time.
6. The train mass data processing device according to claim 5, wherein the shared information middlebox is further configured to:
searching corresponding platform information from the second table according to an external manufacturer system, and searching corresponding register information from the first table according to the platform information;
and correspondingly configuring the data packet in the register corresponding to the register information according to the data format required by the external manufacturer system.
7. The train mass data processing device according to claim 5, wherein the shared information middlebox is further configured to return predicted time for a preset number of trains to arrive at a platform corresponding to the platform information according to platform information in request information of an external manufacturer system, and the predicted time comprises:
according to the platform information in the request information of the external manufacturer system, searching the register information corresponding to the platform information from the table;
and extracting the train number information of the preset number of the train stations corresponding to the platform information and the corresponding predicted time from the corresponding register according to the searched register information, and returning the train number information and the corresponding predicted time to the external manufacturer system.
8. A train mass data processing method is characterized by comprising the following steps:
the shared information middle station periodically acquires real-time information and non-real-time information of the train from each internal signal system, and train number information of each station is obtained according to the real-time information and the non-real-time information of the train;
for any one platform, calculating the predicted time for each train to reach the any one platform;
receiving request information sent by each external manufacturer system, wherein the request information at least comprises station information;
according to the platform information in the request information of the external manufacturer system, returning the predicted time for the trains with the preset number to reach the platform corresponding to the platform information;
taking a platform as a unit, storing train number information of a preset number, which is ahead of the predicted time of arriving at the same platform, and corresponding predicted time in a corresponding register of a platform in the shared information in a data packet mode;
maintaining a first table, wherein the first table stores the corresponding relationship between the station information and the register information;
maintaining a second table storing a correspondence between the external factory system and the station information.
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