阅读说明：本技术 一种确定逻辑区段连续占压的方法及装置 (Method and device for determining continuous occupation of pressure of logic section ) 是由 张辉 吴正中 马泉华 武涛 于 2021-11-15 设计创作，主要内容包括：本发明涉及一种占压确定方法及装置,属于轨道交通控制领域,具体是涉及一种确定逻辑区段连续占压的方法及装置。包括：原始状态获取步骤,获取线路控制器对应计轴区段集合所包含的逻辑区段集合以及所述逻辑区段集合中各逻辑区段的上一周期状态；当前状态初始步骤,初始化所述逻辑区段集合中各逻辑区段的当前状态；区段状态更新步骤,基于列车位置获取所述计轴区段集合中存在列车的计轴区段子集；只更新计轴区段子集所包含的逻辑区段的占用状态。该装置及方法可以适应CBTC的系统需求,保证CBTC系统的安全可靠,同时对于逻辑区段的复杂场景可以进行高效,快速且准确的处理。(The invention relates to a method and a device for determining occupation pressure, belongs to the field of rail transit control, and particularly relates to a method and a device for determining continuous occupation pressure of a logic section. The method comprises the following steps: an original state obtaining step, namely obtaining a logic section set contained in an axis counting section set corresponding to a line controller and a previous period state of each logic section in the logic section set; initializing the current state, namely initializing the current state of each logic section in the logic section set; a section state updating step, namely acquiring an axle counting section subset of the train in the axle counting section set based on the position of the train; and updating the occupation states of the logic sections contained in the axle counting section subset. The device and the method can meet the system requirements of the CBTC, ensure the safety and the reliability of the CBTC, and can efficiently, quickly and accurately process the complex scenes of the logic sections.)

1. A method for determining a continuous occupancy of a logical sector, comprising:

an original state obtaining step, namely obtaining a logic section set contained in an axis counting section set corresponding to a line controller and a previous period state of each logic section in the logic section set;

initializing the current state, namely initializing the current state of each logic section in the logic section set;

a section state updating step, namely acquiring an axle counting section subset of the train in the axle counting section set based on the position of the train; and updating the occupation states of the logic sections contained in the axle counting section subset.

2. The method for determining the continuous occupancy of the logical zone according to claim 1, wherein in the zone status updating step, the updating of the occupancy status of the logical zones included in the axle counting zone subset includes updating the status of the logical zone of the train occupancy, specifically:

acquiring the safe enveloping positions of all trains in the axle counting section; inquiring the logic sections occupied by the pressure from the safe train head to the safe train tail in the starting point to the ending point of each axle counting section; and changing the occupation state of the logic section according to the different states of each train in each axle counting section.

3. The method for determining the continuous occupation pressure of the logical zones according to claim 1, wherein in the zone status updating step, the updating of the occupation status of the logical zones included in the axle counting zone subset includes updating the logical zone status between all trains in the axle counting zone; the method specifically comprises the following steps:

acquiring a train sequence of each axle counting section;

for the first train in each axle counting section, the state of the logical section from the end of each axle counting to the safe head of the train is changed, and if the logical section is the only train in each axle counting section, the state of the logical section from the tail of the safe head of the train to the start of the axle counting section is changed;

for the middle train of each axle counting section, changing the state from the safe tail of the last train in front to the logic section contained in the safe head of the train;

and for the last train in each axle counting section, changing the state of the logical section from the tail of the train safety tail to the starting point of the axle counting section.

4. The method for determining the continuous occupation pressure of the logic section according to claim 1, further comprising: a redundant timing step, configured to perform redundant timing on a logic segment that is idle from occupied and included in all the axle counting segments of each line controller LC, specifically: acquiring the states of the current period and the last period of all logic sections; updating the state of the logic section of which the upper period is UT or CT occupation state and the present period is idle state; wherein, the logic section which does not finish the redundancy timing maintains the occupation state and increases the redundancy timing; and setting the state of the logic section with the end of the redundancy timing to be idle, and clearing the redundancy timing of the logic section.

5. The method for determining the continuous occupation pressure of the logic section according to claim 1, further comprising: and a continuous checking step, namely continuously checking the train occupation pressure logic section of each line controller LC, specifically: performing logical zone continuity determination for trains that do not cross the line controller LC, wherein:

for the logic sections of the current period and the last period of the train with overlapping, updating the logic sections of the last period of the train through continuous judgment;

and performing downtime operation on the line controller LC for the logic sections occupied by the voltage of the current period and the last period of the train without overlapping.

6. An apparatus for determining a continuous occupancy of a logical zone, comprising:

the system comprises an original state acquisition module, a line controller and a line state acquisition module, wherein the original state acquisition module is used for acquiring a logic section set contained in a corresponding axle counting section set of the line controller and a previous period state of each logic section in the logic section set;

a current state initialization module for initializing the current state of each logic section in the logic section set;

the section state updating module is used for acquiring an axle counting section subset of the train in the axle counting section set based on the position of the train; and updating the occupation states of the logic sections contained in the axle counting section subset.

7. The apparatus according to claim 6, wherein the zone status updating module updates the occupancy status of the logical zones included in the axle counting zone subset by updating the train occupancy logical zone status, specifically:

acquiring the safe enveloping positions of all trains in the axle counting section; inquiring the logic sections occupied by the pressure from the safe train head to the safe train tail in the starting point to the ending point of each axle counting section; and changing the occupation state of the logic section according to the different states of each train in each axle counting section.

8. The device for determining the continuous occupation of the logical zones according to claim 6, wherein in the zone status updating module, the updating of the occupation status of the logical zones included in the axle counting zone subset comprises updating the logical zone status between all trains in the axle counting zone; the method specifically comprises the following steps:

acquiring a train sequence of each axle counting section;

for the first train in each axle counting section, the state of the logical section from the end of each axle counting to the safe head of the train is changed, and if the logical section is the only train in each axle counting section, the state of the logical section from the tail of the safe head of the train to the start of the axle counting section is changed;

for the middle train of each axle counting section, changing the state from the safe tail of the last train in front to the logic section contained in the safe head of the train;

and for the last train in each axle counting section, changing the state of the logical section from the tail of the train safety tail to the starting point of the axle counting section.

9. The apparatus of claim 6, further comprising: the redundant timing module is used for performing redundant timing on logic sections which are contained in all the axle counting sections of each line controller LC and are changed from occupied to idle, and specifically comprises the following steps: acquiring the states of the current period and the last period of all logic sections; updating the state of the logic section of which the upper period is UT or CT occupation state and the present period is idle state; wherein, the logic section which does not finish the redundancy timing maintains the occupation state and increases the redundancy timing; and setting the state of the logic section with the end of the redundancy timing to be idle, and clearing the redundancy timing of the logic section.

10. The apparatus of claim 6, further comprising: the continuous checking module is used for continuously checking the train occupation pressure logic sections of each line controller LC, and specifically comprises the following steps: performing logical zone continuity determination for trains that do not cross the line controller LC, wherein:

for the logic sections of the current period and the last period of the train with overlapping, updating the logic sections of the last period of the train through continuous judgment;

and performing downtime operation on the line controller LC for the logic sections occupied by the voltage of the current period and the last period of the train without overlapping.

Technical Field

The invention relates to a method and a device for determining occupation pressure, belongs to the field of rail transit control, and particularly relates to a method and a device for determining continuous occupation pressure of a logic section.

Background

A communication-Based Train control (CBTC) (communication Based Train control) system is a mainstream control system of current urban rail transit, serves as a core ground control device of the CBTC system, and a Line Controller (LC) has the main functions of generating and sending Movement Authorization (MA) for trains in a control range according to position information reported by communication trains and track occupation/idle information provided by an interlocking arranged route and a track side device, is a junction for vehicle-ground information processing, guarantees the driving efficiency and safe operation of communication trains under the CBTC system, and has the capacity of Train management under various Train control levels and driving modes.

The line controller needs to detect and monitor the state of the managed and controlled logic section in real time to update the occupation state of the logic section, and detects the continuous occupation of the logic section on the basis of the occupation state of the logic section, so that the update judgment of the occupation state and the safety guarantee of train control are realized, and the safety and the reliability of the CBTC system are ensured.

In the prior art, when the state of a train pressure occupation logical zone is updated and the state of a logical zone between trains is updated, whether a train exists in the axle counting zone is inquired through all the axle counting zones included in a traverse route controller LC, and then the update of the train pressure occupation state of the logical zone and the update of the state of the logical zone between trains are performed in the axle counting zone in which the train exists. The following technical problems mainly exist when the states of the occupied pressure logical zones of the trains and the states of the logical zones among the trains are updated:

(1) due to the existence of a large number of axle counting sections without trains, the periodic query pressure state updating can occupy a large amount of system resources on the query of idle axle counting.

(2) In the prior art, the train position uncertainty, which does not consider the abrasion and the slippage of wheels and the occurrence of errors in train speed measurement when the logic section state occupation is updated, causes the train position change caused by the inconsistency between the train position and the position of a transponder, and causes the sudden jump of the logic section occupation pressure information.

(3) Due to the fact that the position of the train is updated through the transponder, the change of the position of the train can cause the jump of the occupation situation of the logic section, the system can be frequently guided to the safety side, the continuity and the stability of the system are damaged, and system resources are occupied.

Therefore, it is a technical problem that needs to be solved urgently at present to improve the prior art to meet the requirements of different application scenarios.

Disclosure of Invention

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

The present invention is directed to solve the above problems in the prior art, and provides a device and a method for determining a continuous pressure status of a logic segment. The device and the method can meet the system requirements of the CBTC, ensure the safety and the reliability of the CBTC, and can efficiently, quickly and accurately process the complex scenes of the logic sections.

In order to solve the problems, the scheme of the invention is as follows:

a method for determining continuous occupation pressure of a logic section comprises the following steps:

an original state obtaining step, namely obtaining a logic section set contained in an axis counting section set corresponding to a line controller and a previous period state of each logic section in the logic section set;

initializing the current state, namely initializing the current state of each logic section in the logic section set;

a section state updating step, namely acquiring an axle counting section subset of the train in the axle counting section set based on the position of the train; and updating the occupation states of the logic sections contained in the axle counting section subset.

Preferably, in the section state updating step, the updating of the occupancy state of the logical section included in the axle counting section subset includes updating the train occupancy logical section state, specifically:

acquiring the safe enveloping positions of all trains in the axle counting section; inquiring the logic sections occupied by the pressure from the safe train head to the safe train tail in the starting point to the ending point of each axle counting section; and changing the occupation state of the logic section according to the different states of each train in each axle counting section.

Preferably, in the method for determining continuous occupancy of logical zones, in the zone status updating step, the updating of the occupancy status of the logical zones included in the axle counting zone subset includes updating the logical zone status between all trains in the axle counting zone; the method specifically comprises the following steps:

acquiring a train sequence of each axle counting section;

for the first train in each axle counting section, the state of the logical section from the end of each axle counting to the safe head of the train is changed, and if the logical section is the only train in each axle counting section, the state of the logical section from the tail of the safe head of the train to the start of the axle counting section is changed;

for the middle train of each axle counting section, changing the state from the safe tail of the last train in front to the logic section contained in the safe head of the train;

and for the last train in each axle counting section, changing the state of the logical section from the tail of the train safety tail to the starting point of the axle counting section.

Preferably, the method for determining the continuous occupation pressure of the logic segment further includes: a redundant timing step, configured to perform redundant timing on a logic segment that is idle from occupied and included in all the axle counting segments of each line controller LC, specifically: acquiring the states of the current period and the last period of all logic sections; updating the state of the logic section of which the upper period is UT or CT occupation state and the present period is idle state; wherein, the logic section which does not finish the redundancy timing maintains the occupation state and increases the redundancy timing; and setting the state of the logic section with the end of the redundancy timing to be idle, and clearing the redundancy timing of the logic section.

Preferably, the method for determining the continuous occupation pressure of the logic segment further includes: and a continuous checking step, namely continuously checking the train occupation pressure logic section of each line controller LC, specifically: performing logical zone continuity determination for trains that do not cross the line controller LC, wherein:

for the logic sections of the current period and the last period of the train with overlapping, updating the logic sections of the last period of the train through continuous judgment;

and performing downtime operation on the line controller LC for the logic sections occupied by the voltage of the current period and the last period of the train without overlapping.

An apparatus for determining a logical zone continuous occupancy, comprising:

the system comprises an original state acquisition module, a line controller and a line state acquisition module, wherein the original state acquisition module is used for acquiring a logic section set contained in a corresponding axle counting section set of the line controller and a previous period state of each logic section in the logic section set;

a current state initialization module for initializing the current state of each logic section in the logic section set;

the section state updating module is used for acquiring an axle counting section subset of the train in the axle counting section set based on the position of the train; and updating the occupation states of the logic sections contained in the axle counting section subset.

Preferably, in the above apparatus for determining continuous occupation of logical zones, in the zone state updating module, the updating of the occupation state of the logical zones included in the axle counting zone subset includes updating the state of the logical zones occupied by the train, specifically:

acquiring the safe enveloping positions of all trains in the axle counting section; inquiring the logic sections occupied by the pressure from the safe train head to the safe train tail in the starting point to the ending point of each axle counting section; and changing the occupation state of the logic section according to the different states of each train in each axle counting section.

Preferably, in the above apparatus for determining continuous occupancy of a logical zone, the updating of the occupancy state of the logical zone included in the axle counting zone subset in the zone state updating module includes updating the logical zone state between all trains in the axle counting zone; the method specifically comprises the following steps:

acquiring a train sequence of each axle counting section;

for the first train in each axle counting section, the state of the logical section from the end of each axle counting to the safe head of the train is changed, and if the logical section is the only train in each axle counting section, the state of the logical section from the tail of the safe head of the train to the start of the axle counting section is changed;

for the middle train of each axle counting section, changing the state from the safe tail of the last train in front to the logic section contained in the safe head of the train;

and for the last train in each axle counting section, changing the state of the logical section from the tail of the train safety tail to the starting point of the axle counting section.

Preferably, the apparatus for determining continuous occupation of logical segments further includes: the redundant timing module is used for performing redundant timing on logic sections which are contained in all the axle counting sections of each line controller LC and are changed from occupied to idle, and specifically comprises the following steps: acquiring the states of the current period and the last period of all logic sections; updating the state of the logic section of which the upper period is UT or CT occupation state and the present period is idle state; wherein, the logic section which does not finish the redundancy timing maintains the occupation state and increases the redundancy timing; and setting the state of the logic section with the end of the redundancy timing to be idle, and clearing the redundancy timing of the logic section.

Preferably, the apparatus for determining continuous occupation of logical segments further includes: the continuous checking module is used for continuously checking the train occupation pressure logic sections of each line controller LC, and specifically comprises the following steps: performing logical zone continuity determination for trains that do not cross the line controller LC, wherein:

for the logic sections of the current period and the last period of the train with overlapping, updating the logic sections of the last period of the train through continuous judgment;

and performing downtime operation on the line controller LC for the logic sections occupied by the voltage of the current period and the last period of the train without overlapping.

Therefore, compared with the prior art, the invention has the following advantages:

(1) the positions of the trains contained in the line controller LC are reversely searched to find out the axle counting sections in which the trains exist, so that the efficiency of updating the states of the occupied logical sections of the trains and the states of the logical sections among the trains is improved;

(2) by adding redundant time for changing the shaft counting state from voltage occupation to idle, the state jump of a logic section is prevented, the stability of the system is ensured, and the operation efficiency is improved;

(3) the system can process complex scenes more efficiently, quickly and accurately, and the safe and reliable operation of the CBTC system can be ensured according to the system requirements of the CBTC.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the disclosure.

FIG. 1 illustrates a schematic diagram of steps for determining continuous occupation of a logic segment in an embodiment of the present invention;

fig. 2 illustrates a schematic diagram of updating the occupied status of the logic section belonging to the pair of line controllers LC in the embodiment of the present invention;

3A-3E illustrate initializing all count axis segment logical segment states belonging to the pair of line controllers LC in an embodiment of the present invention;

fig. 4 illustrates a schematic diagram of updating only the occupied status of the logical zone included in all the axle counting zones of the existing train in the embodiment of the present invention;

5A-5C illustrate schematic diagrams of changing logical zone occupancy states according to different states of each train of the present axle counting zone in an embodiment of the present invention;

6A-6F illustrate schematic diagrams of changing the state of the axle counting terminal to the logic section contained in the safe train head in the embodiment of the invention;

7A-7D illustrate schematic diagrams of changing the state of the safety tail of the last train in front to the logic section contained in the safety head of the train in the embodiment of the invention;

8A-8B illustrate a schematic diagram of changing the state of a logical zone included in the train safety tail to the start of the axle counting zone in an embodiment of the invention;

FIGS. 9A-9B are diagrams illustrating updating of states of logical segments with UT or CT occupancy states for idle states in an embodiment of the present invention;

fig. 10 illustrates a schematic diagram of checking continuity of a train pressure occupation logical section belonging to the pair of line controllers LC in the embodiment of the present invention;

fig. 11A to 11B are diagrams illustrating logical-section continuity judgment for a train that does not cross over the line controller LC in the embodiment of the present invention.

Embodiments of the present invention will be described with reference to the accompanying drawings.

Detailed Description

Examples

As shown in fig. 1, a line control method for determining continuous voltage occupation of a logic segment in this embodiment mainly includes the following steps:

updating the occupation state of the logic section belonging to the line controller LC (line controller);

checking the continuity of the occupied pressure logic section of the train belonging to the line controller LC;

in this embodiment, the method shown in fig. 2 may be used to update the occupied status of the logic section belonging to the local line controller LC, and includes the following steps:

step 1, setting a logic section state contained in an axle counting section in a control range of a current line controller LC as a previous period state and storing the logic section state;

step 2, performing preliminary judgment on the logic section states of all the axle counting sections in the control range of the current line controller LC;

step 3, obtaining the axle counting section with the train through the train position registered in the line controller LC; finding out which axle counting section the train is in according to the position of the train;

step 4, only updating the occupation states of the logic sections contained in all the axle counting sections of the existing train;

and 5, performing redundant timing on logic sections which are contained in all the axle counting sections belonging to the local line controller LC and are changed from occupation to idle. The method aims to prevent the train from carrying out a redundancy measure for preventing the train from being subjected to position mutation and calculated occupation due to position correction, and the calculated occupation is sent to CI (interlocking) to cause unlocking of an axle counting section of a route and train degradation.

In the embodiment, the preliminary judgment of the logic section states of all the axle counting sections within the control range of the current line controller LC can be performed as shown in fig. 3A to 3E, where the idle states and the UT occupation states in the figures represent the final judgment results. As described in detail below.

Setting a logic section contained in the axle counting section to be in an idle state when the axle counting section is in the idle state;

setting a logic section contained in the axle counting section to be in an idle state when the axle counting section is in an ARB (auto-regressive) occupied state; when a vehicle passes by before in the ARB occupation state, the CI reports the axle counting occupation, namely, the axle counting section is judged to be in fault, the ARB state is judged, and when the logic section is preliminarily judged to be occupied, the logic section is regarded as idle

Setting the logic sections contained in the axle counting section to be in an idle state for the axle counting section which is in an occupied state and in the non-communication vehicle occupation redundant time and reports that the train is on the axle counting in a linkage manner; wherein, the occupancy of the axle counting section UT is non-communication vehicle occupancy, namely, the train does not have a train communicating with the LC, but the occupancy is reported by the CI.

Setting logic sections contained in the axle counting sections to be in an idle state for the axle counting sections which are in an occupied state and in ARB (auto parking brake) occupation redundant time and have no train on the axle counting in a linkage report manner;

setting logic sections contained in the axle counting sections in other states as UT occupation states;

as shown in fig. 4, in this embodiment, only the logical zone occupied states included in all the axle counting zones of the existing train are updated, and the updating of the states specifically includes the states of all the train occupied logical zones and the states of the logical zones between all the trains. Firstly, updating the state of a logic section in a train body range; and secondly, updating the states of the logic sections of a plurality of vehicles in the same axle, and the ranges between the vehicles.

In this embodiment, the updating of the states of all train pressure occupation logical zones in the axle counting zone (where trains are necessarily present) includes:

acquiring the safe enveloping positions of all trains in the axle counting section;

inquiring a logic section occupied by the pressure from the safe train head to the safe train tail in the range from the starting point to the ending point of the axle counting section;

and changing the occupation state of the logic zone according to the different states of each train in the axle counting zone.

Updating the logic section state between all trains in the axle counting section (the trains are always present);

as a preferable mode, in this embodiment, the changing of the logical zone occupation state according to the different state of each train in the present axle counting zone includes the following steps (fig. 5A to 5C):

for the occupation of the CT train, setting a logic section occupied by the train as CT occupation; wherein, CT is CBTC-level train, and UT is non-CBTC-level train.

For the CT train to be degraded into the UT train, setting a logic section occupied by the train as CT occupation;

for trains of other grades, setting a logic section occupied by the train as UT occupation;

in this embodiment, the logical zone state between all trains in the present axle counting zone (where trains are necessarily present) is updated:

acquiring a train sequence of the axle counting section;

processing a logic section from the safe head of a first train to the end point of the axle counting section of the first train in the axle counting section, and processing the logic section from the safe tail of the first train to the start point of the axle counting section if the first train is the only train in the axle counting section;

processing a logic section contained from a safe train head to a safe train tail of a front train for a middle train of the axle counting section;

processing a logic section contained from the safe train head to the safe train tail of the front train for the last train in the axle counting section, and processing a logic section contained from the safe train tail to the starting point of the axle counting section;

the method comprises the following steps of for a first train in the axle counting section to process a logic section from the safe train head to the end point of the axle counting section, wherein the logic section comprises the following steps:

acquiring the safe enveloping position of the train;

acquiring a logical section from the axle counting terminal to the train safety head;

acquiring a suspicious mark at the front end of the train; the criteria for the suspicious mark may be:

the distance between the vehicle head and the nearest front axle counting point is less than a minimum vehicle length (25 m), and the front axle counting section is idle, or

The rear of the vehicle is less than a minimum length (25 m) from the nearest front axle counting point, and the rear axle counting section is free.

Changing the state of a logical section contained from the axle counting terminal to the train safety head; specifically, the method comprises the following steps (fig. 6A to 6F):

for the train with the suspicious front-end mark, setting the state of a logic section from the axle counting terminal to the safe train head as UT occupation; for the train without the suspicious front end mark, setting the state of a logic section contained from the axle counting terminal to the safe train head as idle;

in this embodiment, for the middle train in the axle counting section, the processing of the logical section included in the safety train from the safety train head to the safety train tail of the front train includes the following steps:

acquiring the safe enveloping positions of the train and the last train in front of the train;

acquiring a logical section from the safety tail of the last train in front to the safety head of the train;

acquiring a front suspicious mark of the train and a rear suspicious mark of the last train in front of the train;

changing the state of the safety tail of the last train in front to the logic section contained in the safety head of the train specifically comprises the following steps (fig. 7A-7D):

setting the state of the logic section contained from the safety tail of the last train in front to the safety head of the train as UT occupation for the train with the suspicious front end mark;

setting the state of a logic section contained from the safety tail of the last train to the safety head of the train as UT occupation for the last train with the suspicious rear end mark;

setting the state from the safety tail of the last train in front to a logic section contained in the safety head of the train to be idle for the train without the front suspicious mark and the train without the rear suspicious mark;

in this embodiment, for the last train in the axle counting section, the processing of the logical section from the tail of the safety car to the start of the axle counting section includes the following steps:

acquiring the safe enveloping position of the train;

acquiring a logic section contained from the tail of the train safety vehicle to the starting point of the axle counting section;

acquiring a rear suspicious mark of the train;

changing the state of a logic section contained in the train safety tail to the starting point of the axle counting section specifically comprises the following steps (fig. 8A-8B): for the train with the suspicious rear end mark, the state of a logic section contained from the tail of the train safety tail to the starting point of the axle counting section is set as UT occupation; for the train without the rear suspicious mark, setting the state of a logic section contained from the tail of the train safety tail to the starting point of the axle counting section as idle;

the redundant timing is carried out on the logic sections which are contained in all the axle counting sections belonging to the line controller LC and are changed from occupation to idle, and the method comprises the following steps:

acquiring the states of the current period and the last period of all logic sections;

the logic sections which are idle in the previous period and are idle in the current period are not processed;

the logic sections which are idle in the previous period and occupied in the period are not processed;

the logic sections which are occupied in the previous period and occupied in the period are not processed;

and updating the state of the logic section with the UT or CT occupation state in the upper period and the idle state in the period. Wherein, updating the state of the logic sector whose upper cycle is UT or CT occupation state and this cycle is idle state, includes the following steps (fig. 9A-9B):

maintaining the occupied state of the logic section which does not end the redundancy timing, but continuously accumulating the redundancy timing; in this embodiment, 3 cycles of redundant timing are performed when the idle state is reached, and when the redundant timing is not finished, the current timing is accumulated, and when the timing is equal to 3, the redundant timing is finished.

Setting the state of the logic section with the end of the redundancy timing to be idle, and clearing the redundancy timing of the logic section;

in this embodiment, the checking the continuity of the occupied pressure logical section of the train belonging to the local line controller LC includes the following steps (fig. 10): acquiring a logic section of the periodic pressure occupation on the train; inquiring a logic section occupied by the train in the current period; performing logic section continuity judgment on the train which does not cross the line controller LC;

the logical zone continuity determination for a train that does not cross a line controller LC includes the following steps (fig. 11A to 11B): for the logic sections of the current period and the last period of the train with overlapping, updating the logic sections of the last period of the train through continuous judgment; for the logic sections occupied by the voltage of the current period and the last period of the train are not overlapped, the line controller LC executes downtime operation;

the principle of the embodiment is that the specific axle counting section with the train is determined by inquiring the train position reversely, the pressure occupation state updating and the logic section state updating among the trains are carried out on the axle counting section with the train, the invalid searching of the axle counting section without the train is prevented, and therefore the system efficiency is improved.

The embodiment also adds redundant time to the logic section which is changed from occupied to idle, delays the state change of the logic section, and prevents the state of the logic section from suddenly jumping, thereby improving the system efficiency and stability.

It is noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.