CN118018453A - Railway communication guarantee method and system suitable for complex environment - Google Patents
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Abstract
The invention discloses a railway communication guaranteeing method and a railway communication guaranteeing system suitable for a complex environment, wherein the railway communication guaranteeing system comprises the following components: the ground monitoring module comprises a data loss detection unit and a data abnormality detection unit; the data loss detection unit is configured to determine whether the number of acquired data is abnormal; the data loss detection unit sends the acquired round of data to the data abnormality detection unit after judging that the number of the acquired data is not abnormal; the data abnormality detection unit is in signal connection with the data loss detection unit and is configured to judge whether the data is abnormal or not; the remote monitoring module is in data connection with the ground monitoring module; the remote monitoring module is configured to acquire a signal transmitted by the data abnormality detection unit after detecting the data abnormality. The invention provides a railway communication guarantee method and a railway communication guarantee system suitable for a complex environment, which can reduce the condition of data loss and improve the monitoring capability of a railway on-road environment.
Description
Technical Field
The invention belongs to the technical field of data monitoring, and particularly relates to a railway communication guarantee method and system suitable for a complex environment.
Background
In the railway monitoring field, the information of the environment along the railway needs to be acquired in real time and then sent to a remote monitoring end, and corresponding measures are taken after the judgment of the remote monitoring end. In some complex environments of railways, more data needs to be acquired, the acquired frequency is high, so that the communication difficulty is greatly increased, the burden of remote data communication is further increased, under the condition of high burden, data loss is more frequent, and after the data loss, the monitoring accuracy of the remote monitoring end to the along-road environment of the railways is reduced, so that the probability of influence of the along-road environment on the trains is greatly increased.
Disclosure of Invention
The invention provides a railway communication guarantee method and a railway communication guarantee system suitable for a complex environment, which can reduce the condition of data loss and improve the monitoring capability of a railway on-road environment.
The invention is realized by the following technical scheme:
In one aspect, an embodiment of the present application provides a railway communication security system suitable for use in a complex environment, including: the ground monitoring module comprises a data loss detection unit and a data abnormality detection unit; the data loss detection unit is configured to sequentially acquire all kinds of data, judge whether the acquired data is abnormal after all kinds of data are acquired for one round, and judge that the data are lost after the abnormal quantity occurs; the data loss detection unit sends the acquired round of data to the data abnormality detection unit after judging that the number of the acquired data is not abnormal; the data abnormality detection unit is in signal connection with the data loss detection unit and is configured to judge whether the data is abnormal or not; the remote monitoring module is in data connection with the ground monitoring module; the remote monitoring module is configured to acquire a signal transmitted by the data abnormality detection unit after detecting the data abnormality.
In some embodiments, the data anomaly detection unit includes a storage sub-module in which historical data of a past round is stored; the function of the data abnormality detection unit for judging whether abnormality occurs in data is mainly realized by a mode comprising the following steps:
S10, acquiring current round data:
Wherein, Specific values for the nth category;
s20, acquiring historical data of a previous round:
Wherein, Storing a specific value of the n-th category of history data stored in the sub-module;
S30, judging whether the data is abnormal:
Wherein, Is a calculated value; /(I)The scaling factor is preset; /(I)；
Then:
Wherein, Redundancy values preset for n kinds of data; /(I)To correct the calculated value;
For a pair of Identifying all data in the data, and judging that the data of any type has no abnormality when the corresponding value of the data of any type is 0; when the value corresponding to any kind of data is 1, it is determined that abnormality occurs in that kind of data.
In some of these embodiments, the data anomaly detection unit is configured to store the current round data into the storage sub-module and replace the history data stored in the storage sub-module when no anomaly is detected in the current round data.
In some embodiments, the data anomaly detection unit sends the data with anomalies to the remote monitoring module after acquiring that the anomalies exist in the current wheel data.
On the other hand, the embodiment of the application provides a railway communication guarantee method suitable for a complex environment, which comprises the following steps:
T10, acquiring detection data based on a ground monitoring module;
t20, judging whether the acquired detection data is missing or not; wherein, judging whether the acquired detection data is missing includes:
T201, sequentially acquiring all kinds of data;
t202, after all kinds of data are acquired for one round, judging whether the acquired data are abnormal or not;
T30, when the obtained detection data is judged to be absent, further judging whether the detection data is abnormal or not;
and T40, when the detection data is judged to be abnormal, sending a signal to a remote monitoring module.
In some embodiments, the method for determining a round of data acquisition of all kinds includes: when the last kind of data is acquired, the data comprising the kind of data and the data acquired before are one round of data; the last category of data is provided with an identification tag.
In some embodiments, the method further comprises the following steps in the process of acquiring all kinds of data for one round:
k10, detecting whether the last kind of data is acquired in a second preset time period;
And K20, if the last kind of data is not obtained in the second preset time period, judging that the last kind of data is lost.
In some embodiments, the method for determining a round of data acquisition of all kinds includes: the data acquired in the first preset time period is a round of data.
In some of these embodiments, the time intervals for data acquisition are the same during one round of data acquisition for all kinds of data;
after judging whether the acquired detection data is missing, the method further comprises the following steps:
When it is determined that the detected data is missing, information of data which is not acquired in any time period in the process of acquiring the data in the past is detected, and the type of the missing data is determined based on the information of the data which should be acquired corresponding to the time period.
In some embodiments, after determining whether the acquired detection data is missing, the method further includes the steps of:
all data received in the round are sent to a remote monitoring module.
Compared with the prior art, the invention has the following advantages:
The railway communication guarantee system suitable for the complex environment can rapidly judge whether the acquired data is in a missing condition or not through the arrangement of the data loss detection unit. On the other hand, by arranging the data loss detection unit and the data abnormality detection unit in the area where the ground monitoring module is located, the acquired data can be directly judged, and the signal is sent to the remote monitoring module only after the abnormality occurs to the data, so that the data quantity transmitted in the railway monitoring process can be effectively reduced, the communication burden of the whole railway is reduced, and the overall efficiency of the railway is improved; meanwhile, the condition that the monitoring accuracy of the environment is reduced due to data loss in the process of mass data transmission and remote transmission is avoided, and the driving of the train is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a railway communication guarantee method applicable to a complex environment according to some embodiments of the present invention;
Fig. 2 is a schematic partial flow diagram of a railway communication guarantee method suitable for use in a complex environment according to some embodiments of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are used to indicate orientations or positional relationships based on those shown in the drawings, or those that are conventionally put in use in the product of the present invention, they are merely used to facilitate description of the present invention and simplify description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "horizontal," "vertical," and the like in the description of the present invention, if any, do not denote absolute levels or overhangs, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules but may include other steps or modules not expressly listed or inherent to such process, method, article, or apparatus.
On one hand, the embodiment of the application provides a railway communication guarantee system suitable for a complex environment, which mainly comprises a ground monitoring module and a remote monitoring module, wherein the ground monitoring module is arranged at a site position close to the environment along the railway, and the remote monitoring module is arranged in a centralized monitoring station. The ground monitoring module comprises a data loss detection unit and a data abnormality detection unit. The data loss detection unit is configured to sequentially acquire all kinds of data, and illustratively, each sensor acquires different detection data and acquired monitoring parameters of the device itself, and the data loss detection unit directly acquires the detection data acquired by each sensor and the monitoring parameters of the device itself. The data loss detection unit may acquire the data once or more times after all kinds of data are acquired for one round, that is, all kinds of data are completely acquired for one round in the process of acquiring the data. After all kinds of data are acquired for one round, judging whether the acquired data are abnormal, taking one round of acquiring all kinds of data as one period, judging whether the acquired data are the same as the preset data in one period, and if the acquired data are abnormal, judging that the data are lost. If the number is the same, it can be determined that no loss of data has occurred, and the acquired round of data is sent to the data anomaly detection unit. The data abnormality detection unit is configured to determine whether data is abnormal, and the data abnormality indicates that abnormality occurs in a certain monitoring dimension in the environment or that abnormality occurs in the device. When the data abnormality detection unit detects that the data is abnormal, a signal is sent to the remote monitoring module, wherein the signal can be a wide signal, namely, the abnormality of the area where the current ground monitoring module is located is indicated; and the signal can also be a specific signal which indicates specific abnormality which specifically occurs in the area where the current ground monitoring module is located.
In the above embodiment, by setting the data loss detection unit, it is possible to quickly determine whether or not a missing situation occurs in the acquired data. On the other hand, by arranging the data loss detection unit and the data abnormality detection unit in the area where the ground monitoring module is located, the acquired data can be directly judged, and the signal is sent to the remote monitoring module only after the abnormality occurs to the data, so that the data quantity transmitted in the railway monitoring process can be effectively reduced, the communication burden of the whole railway is reduced, and the overall efficiency of the railway is improved; meanwhile, the condition that the monitoring accuracy of the environment is reduced due to data loss in the process of mass data transmission and remote transmission is avoided, and the driving of the train is protected.
In some of these embodiments, the data anomaly detection unit includes a storage sub-module in which historical data of a past round is stored. The past round of history data may be a round of history data in the latest time, or may be a round of history data long before.
On the basis of setting the storage sub-module, the function of the data abnormality detection unit for judging whether abnormality occurs in data is mainly realized by a mode comprising the following steps:
S10, acquiring current round data:
Wherein, Specific values for the nth category;
s20, acquiring historical data of a previous round:
Wherein, A specific value of the n-th type of history data stored in the storage sub-module;
S30, judging whether the data is abnormal:
Wherein, Is a calculated value; /(I)The scaling factor is preset; /(I)；
Then:
Wherein, Redundancy values preset for n kinds of data; /(I)To correct the calculated value;
For a pair of Identifying all data in the data, and judging that the data of any type has no abnormality when the corresponding value of the data of any type is 0; when the value corresponding to any kind of data is 1, it is determined that abnormality occurs in that kind of data.
By the arrangement of the embodiment, the judgment of data abnormality of all kinds of acquired data of the current wheel can be realized.
In some of these embodiments, the data anomaly detection unit is configured to store the current wheel data into the storage sub-module and replace the history data stored in the presence sub-module when no anomaly is detected in the current wheel data. Because of the change of the setting environment or the increase of the service time limit of the equipment, the detected data has a normal gradual change process, so that the finally detected data and the initial data have larger difference, by the setting of the embodiment, the history wheel data stored in the storage sub-module can be ensured to be the data of the latest current wheel, further the time for acquiring the data detected each time can be ensured to be more recent, and the final detection result can also be avoided that the equipment and the environment parameters are changed normally due to the overlarge time difference of the data detected by the two, but the detection result is abnormal.
In some embodiments, the data anomaly detection unit sends the data with anomalies to the remote monitoring module after acquiring that the anomalies exist in the current wheel data. Through the setting, when the data abnormality detection unit detects that the data is not abnormal, the data is selected not to be sent to the remote monitoring module; when the occurrence of abnormality of the current wheel data is detected, only the abnormal data is sent to the remote monitoring module, so that the transmission quantity of the channel communication is reduced, and the transmission efficiency is improved.
On the other hand, referring to fig. 1 and 2, an embodiment of the present application provides a railway communication guarantee method suitable for a complex environment, which mainly includes the following steps:
and T10, acquiring detection data based on the ground monitoring module. In T10, the ground monitoring module is arranged at a site position close to the railway environment along the way and used for acquiring data detected by each sensor and monitoring parameters of each equipment.
T20, judging whether the acquired detection data is missing or not, and mainly comprising:
And T201, sequentially acquiring all kinds of data. In T201, according to the order of data acquisition, the order may be the time sequence of acquiring the parameters acquired by each sensor and the monitoring parameters of the device itself, or may be the sequence of invoking the parameters acquired by each sensor and the monitoring parameters of the device itself by the data loss detection unit.
T202, after all kinds of data are acquired for one round, judging whether the acquired data are abnormal or not. In T202, a round of data acquisition of all kinds refers to a period in which all kinds of data are acquired, and in an already-built environment, the frequency of data acquisition of each kind is different, so that the number of possible acquisitions in the same time is different, and when expanding on existing equipment, the situation needs to be considered, and then the number of data of each kind in this period is not necessarily one. In another example, when the whole system is rebuilt, the frequency of acquiring each kind of data can be set to be the same, so that the number of each kind of data acquired in one period is ensured to be the same, and comparison can be better performed.
And T30, further judging whether the acquired detection data is abnormal or not when judging that the acquired detection data is not missing. In T30, the presence of an abnormality in data means that the acquired data value is too far from the reference value.
And T40, when the detection data is judged to be abnormal, sending a signal to a remote monitoring module.
In the above embodiment, the ground monitoring module acquires the detection data, and then determines whether the data is missing or not and whether the data is abnormal or not, instead of sending all the data to the remote monitoring module for determination, the transmission quantity of the data can be effectively reduced, the transmission efficiency of the data is improved, the congestion of the railway communication line can be avoided, the loss rate of the data is further reduced, and the accuracy of final monitoring is improved.
In some embodiments, in the step T202, the determining method for one round of data acquisition of all kinds includes: when the last kind of data is acquired, the data including the kind of data and the data acquired before are one round of data. The last category of data is provided with an identification tag.
In the above embodiment, the order of the data acquired for each round is fixed, and in this fixed order, an identification tag is provided in the last kind of data acquired, and when the identification tag is received, it can be determined that the data reception of the current round is completed.
In some embodiments, the method further comprises the following steps in the process of acquiring all kinds of data for one round:
And K10, detecting whether the last kind of data is acquired in a second preset time period. In K10, the second preset time period is preset, and the clock setting of the second preset time period starts and starts time synchronization of starting each round of data, so as to detect whether the last kind of data is acquired in the second preset time period.
And K20, if the last kind of data is not obtained in the second preset time period, judging that the last kind of data is lost.
In the above embodiment, through the setting of the second preset time period, the situation that the process of acquiring data is continuously repeated when the last kind of data in each round of data is lost or when the abnormality is detected can be effectively avoided, so that the overall robustness of the system is improved.
In other embodiments, the method for determining a round of data acquisition of all kinds includes: the data acquired in the first preset time period is a round of data. In this embodiment, based on the fact that the data is one round of data in the first preset time period, the judgment logic is simpler, and the acquired one round of data can be quickly determined, but in comparison, when the situation of data loss occurs, the situation that the data acquired finally is different in quantity from the data acquired by other rounds may occur in the same kind of data, and the difficulty of positioning the subsequent fault data is increased.
In some of these embodiments, the time intervals for data acquisition are the same during one round of data acquisition of all kinds. The acquisition of each data can be realized by setting the frequency of acquiring each data by the acquisition loss detection unit so as to ensure that the time interval of each data acquisition is the same. When one of the data is lost, the acquisition time is also consumed because of the acquisition action, but the final acquired data result is null.
After judging whether the acquired detection data is missing, the method further comprises the following steps:
When it is determined that the detected data is missing, information of data which is not acquired in any time period in the process of acquiring the data in the past is detected, and the type of the missing data is determined based on the information of the data which should be acquired corresponding to the time period.
In the above embodiment, by setting the time intervals of data acquisition to be the same, the number of acquired different types of data in the data acquired in each round can be the same, so as to avoid the situation of increasing the difficulty of positioning the subsequent fault data.
In some embodiments, after determining whether the acquired detection data is missing, the method further includes the steps of: all data received in the round are sent to a remote monitoring module. In the above embodiment, by sending all the received data of this round to the remote monitoring module and then determining by the remote monitoring module block, this embodiment is particularly applicable to the case where there is a correlation between different kinds of data.
The embodiment of the application also provides railway communication guarantee equipment suitable for the complex environment, which comprises a memory and a processor, wherein the memory is stored with a computer program, and the processor executes the computer program to realize the railway communication guarantee method suitable for the complex environment in any one of the embodiments.
The present embodiment also provides a computer storage medium on which a computer program is stored, the computer program being loaded by a processing module to implement the railroad communication assurance method of any one of the above embodiments, which is suitable for use in a complex environment.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, but any simple modifications and equivalent variations of the above embodiments according to the technical principles of the present invention fall within the scope of the present invention.
Claims (10)
1. A railroad communication assurance system adapted for use in a complex environment, comprising:
the ground monitoring module comprises a data loss detection unit and a data abnormality detection unit;
The data loss detection unit is configured to sequentially acquire all kinds of data, judge whether the acquired data is abnormal after all kinds of data are acquired for one round, and judge that the data are lost after the abnormal quantity occurs; the data loss detection unit sends the acquired round of data to the data abnormality detection unit after judging that the number of the acquired data is not abnormal;
The data abnormality detection unit is in signal connection with the data loss detection unit and is configured to judge whether data is abnormal or not;
the remote monitoring module is in data connection with the ground monitoring module; the remote monitoring module is configured to acquire a signal transmitted by the data abnormality detection unit after detecting the data abnormality.
2. The railroad communication assurance system adapted to a complex environment according to claim 1, wherein the data abnormality detection unit includes a storage sub-module in which history data of a past round is stored;
the function of the data abnormality detection unit for judging whether abnormality occurs in data is mainly realized by a mode comprising the following steps:
S10, acquiring current round data:
Wherein, Specific values for the nth category;
s20, acquiring historical data of a previous round:
Wherein, A specific value of the n-th type of history data stored in the storage sub-module;
S30, judging whether the data is abnormal:
Wherein, Is a calculated value; /(I)The scaling factor is preset; /(I)；
Then:
Wherein, Redundancy values preset for n kinds of data; /(I)To correct the calculated value;
For a pair of Identifying all data in the data, and judging that the data of any type has no abnormality when the corresponding value of the data of any type is 0; when the value corresponding to any kind of data is 1, it is determined that abnormality occurs in that kind of data.
3. The railroad communication assurance system adapted to complex environments according to claim 2, wherein the data abnormality detection unit is configured to store current wheel data into the storage sub-module and replace history data stored in the storage sub-module upon detecting that the current wheel data is free of abnormalities.
4. The railroad communication assurance system for complex environments according to claim 2 or 3, wherein the data abnormality detection unit transmits abnormal data to the remote monitoring module after acquiring abnormal data existing in the current wheel data.
5. The railway communication guarantee method suitable for the complex environment is characterized by comprising the following steps of:
T10, acquiring detection data based on a ground monitoring module;
t20, judging whether the acquired detection data is missing or not; wherein, judging whether the acquired detection data is missing includes:
T201, sequentially acquiring all kinds of data;
t202, after all kinds of data are acquired for one round, judging whether the acquired data are abnormal or not;
T30, when the obtained detection data is judged to be absent, further judging whether the detection data is abnormal or not;
and T40, when the detection data is judged to be abnormal, sending a signal to a remote monitoring module.
6. The railroad communication assurance method applicable to complex environments according to claim 5, wherein the one-round determination method for all kinds of data acquisition includes: when the last kind of data is acquired, the data comprising the kind of data and the data acquired before are one round of data; and the last kind of data is internally provided with an identification tag.
7. The railroad communication assurance method applicable to complex environments according to claim 6, further comprising the steps of, during a round of data acquisition of all kinds:
k10, detecting whether the last kind of data is acquired in a second preset time period;
And K20, if the last kind of data is not obtained in the second preset time period, judging that the last kind of data is lost.
8. The railroad communication assurance method applicable to complex environments according to claim 5, wherein the one-round determination method for all kinds of data acquisition includes: the data acquired in the first preset time period is a round of data.
9. The railroad communication assurance method suitable for use in complex environments according to claim 8, wherein the time intervals of data acquisition are the same during one round of data acquisition of all kinds;
after judging whether the acquired detection data is missing, the method further comprises the following steps:
When it is determined that the detected data is missing, information of data which is not acquired in any time period in the process of acquiring the data in the past is detected, and the type of the missing data is determined based on the information of the data which should be acquired corresponding to the time period.
10. The railroad communication assurance method for complex environments according to claim 5, further comprising the steps of, after determining whether the acquired detection data is missing:
and all data received in the round are sent to the remote monitoring module.
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