WO2016050159A1

WO2016050159A1 - Train driving assistance method and system

Info

Publication number: WO2016050159A1
Application number: PCT/CN2015/090360
Authority: WO
Inventors: 于伟凯; 徐跃; 刘先恺; 刘韶庆; 高世萍; 余进; 韩龙
Original assignee: 南车青岛四方机车车辆股份有限公司
Priority date: 2014-09-30
Filing date: 2015-09-23
Publication date: 2016-04-07
Also published as: CN104276187A; CN104276187B; US20160332648A1

Abstract

A train driving assistance method comprises: pre-setting a driving line database (S0), wherein the driving line database comprises a corresponding relationship between position information and early-warning information about an early-warning point and a corresponding relationship among train arrival time information, the number of brake times and driving information, and a record of one corresponding relationship is a solution; acquiring the position of a train (S1); acquiring the position information about the next early-warning point (S2); calculating an early-warning distance between the train and the next early-warning point according to the position of the train and the position information about the next early-warning point (S3); when the early-warning distance is calculated to be smaller than a pre-set value, displaying the early-warning information corresponding to the position information about the next early-warning point (S4); screening an optimal solution according to the train arrival time information and the number brake times of the train (S5); and determining the driving information according to the optimal solution and displaying the determined driving information (S6). Through the method, more driving reference information can be provided for the driver. Also provided is a train driving assistance system.

Description

Train driving assistance method and system

This application claims priority to Chinese Patent Application No. 201410521275.X, entitled "A Train Driving Assistance Method and System", filed on September 30, 2014, the entire contents of which are incorporated by reference. In this application.

Technical field

The present invention relates to the field of traffic control technologies, and in particular, to a train driving assistance method and system.

Background technique

The importance of rail transit in social life and social economy determines the importance of rail transit safety. In the train control system, the driver is provided with driving train support mainly through ATP (Automatic Train Protection) to ensure the safety of driving. ATP is used to prevent trains from overspeeding, colliding and other dangerous situations that may occur when driving. ATP compares the actual speed of the train with the highest safe speed. If the actual speed of the train exceeds the maximum safe speed, the system will instruct the train to make emergency braking to avoid overspeeding of the train. At the same time, the system will ensure that the train is in emergency braking. There are enough unoccupied sections to stop the train without colliding.

It can be seen from the above description that when the train running speed exceeds the line limit speed value, the ATP automatically applies the brake, which can ensure the safety of the vehicle operation, but loses the energy of the train and provides less driving reference information for the driver.

Summary of the invention

The invention provides a train driving assistance method and system, which can provide drivers with more driving reference information.

The invention provides a train driving assistance method, comprising: presetting a driving route database, wherein the driving route database comprises: preset location information of the early warning point, early warning information, and number of braking times of the train between two adjacent stations Train arrival time information, driving information between two adjacent stations, correspondence between location information of the early warning point and the early warning information, the train arrival time information, the number of braking times, and the driving Correspondence between three pieces of information, wherein one of the train arrival time information, the number of braking times, and the driving information Recording the correspondence is a scheme;

S1: obtaining the position of the train;

S2: obtaining location information of the next early warning point;

S3: calculating an early warning distance between the train and the next early warning point according to the location of the train and the location information of the next early warning point;

S4: When it is calculated that the warning distance is less than or equal to a preset value, displaying the warning information corresponding to the location information of the next early warning point;

S5: screening a preferred solution according to the train arrival time information and the number of brakes of the train;

S6: Determine driving information according to the preferred solution, and display the determined driving information.

Further, the driving information includes: a traction level, a traction speed, a running mileage, a braking distance, and a braking level.

Further, the warning information includes: speed limit information of the early warning point, curve information of the early warning point, and kilometer information of the early warning point.

Further, the driving route database further includes: a kilometer mark of the station;

The S1 includes:

Obtain the running speed of the train;

Calculate the position of the train according to Formula 1, the formula one is: S ₂ = S ₁ + vt, S ₂ is the position of the train, S ₁ is the km mark of the previous station, and v is the running speed of the train. t is the running time of the train after departure from the previous station.

Further, the S5 includes:

Selecting a priming plan for on-time arrival from the train-to-station time information, that is, selecting a priming plan for on-time arrival based on the train arrival time information;

A preferred solution for minimizing the number of brakes is screened from the primary selection.

In another aspect, the present invention provides a train driving assistance system comprising:

a storage unit, configured to store a driving route database, where the driving route database includes: preset location information of the early warning point, early warning information, braking times of trains between two adjacent stations, train arrival time information, adjacent Driving information between the two stations, location information of the warning point Correspondence relationship with the warning information, a correspondence between the train arrival time information, the number of braking times, and the driving information, wherein one piece of the train arrival time information, the braking Recording the correspondence between the number of times and the driving information is a scheme;

a first acquiring unit, configured to acquire a position of the train;

a second acquiring unit, configured to acquire location information of a next early warning point from the driving route database;

An early warning distance calculating unit, configured to calculate an early warning of the train and the next early warning point according to the location of the train acquired by the first acquiring unit and the location information of the next early warning point acquired by the second acquiring unit distance;

The first display unit is configured to display, when the warning distance is less than or equal to a preset value, the warning information corresponding to the location information of the next early warning point;

a screening unit, configured to screen a preferred solution according to the train arrival time information and the number of brakes of the train;

And a second display unit, configured to determine driving information according to the preferred solution, and display the determined driving information.

The first obtaining unit includes:

a speed acquisition subunit for obtaining a running speed of the train;

a position calculation subunit for calculating a position of the train according to the formula 1. The formula one is: S ₂ = S ₁ + vt, S ₂ is the position of the train, and S ₁ is the km mark of the previous station, and v is The running speed of the train, t is the running time of the train after departure from the previous station.

Further, the screening unit includes:

a first screening subunit, configured to filter out a priming plan of the on-time arrival from the train-to-station time information, that is, select a priming plan based on the train arrival time information;

A second screening subunit is used to select a preferred scheme for minimizing the number of braking from the primary selection scheme.

The train driving assistance method and system provided by the present invention can provide drivers with more driving reference information, and the driver can select a preferred scheme for driving.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are Some embodiments of the present invention may also be used to obtain other drawings based on these drawings without departing from the art.

1 is a flowchart of a driving assistance method for a train according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a train driving assistance system according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts are protected by the present invention. range.

An embodiment of the present invention provides a train driving assistance method. Referring to FIG. 1, the method includes:

S0: pre-set the driving route database, the driving route database includes: preset location information of the early warning point, warning information, number of braking of the train between two adjacent stations, train arrival time information, two adjacent stations The driving relationship between the driving information, the correspondence between the location information of the early warning point and the early warning information, the correspondence between the train arrival time information, the number of braking times, and the driving information, wherein Recording the correspondence between the train arrival time information, the number of braking times, and the driving information is a scheme;

Specifically, the data in the driving route database is the information of the trains on the same line during the running, and the information collected together is associated to establish a corresponding relationship.

S1: obtaining the position of the train;

S2: obtaining location information of the next early warning point;

Among them, the next early warning point refers to the first early warning point in front of the train on the current train.

Among them, an acousto-optic signal can be emitted to alert the driver while displaying the warning information.

According to the train driving assistance method provided by the above embodiment, the driver can provide more driving reference information, and the driver can select a preferred solution for driving.

The driving information includes: a traction level, a traction speed, a running mileage, a braking distance, and a braking level. The warning information includes: speed limit information of the early warning point, curve information of the early warning point, and km mark information of the early warning point.

In a possible implementation, the driving route database further includes: a kilometer of the station;

The S1 includes:

Obtain the running speed of the train;

The kilometer mark of each station is accurate. Each time the train passes through a station, the position of the train is updated according to the kilometer mark of the station, and the running speed of the train between the two kilometers is performed by the running speed of the train and the running time from the previous station. The precise positioning of the train, where the previous site refers to a station on the train that travels on the train.

In another possible implementation manner, the S5 includes:

Wherein, a preliminary selection scheme for on-time arrival is selected from the train-to-station time information, that is, a preliminary selection scheme for on-time arrival is selected according to the train arrival time information, specifically, the train arrival station The time information includes: an absolute value of a difference between the actual arrival time of the train and the time when the train should arrive at the station; when the absolute value of the difference is less than or equal to a preset time threshold, determining that the train arrives on time, the preset The time threshold can be 1 minute.

Through the present embodiment, the driver can select the preferred scheme for driving, can reduce the number of braking, reduce the kinetic energy loss of the train, improve the comfort of the train, and improve the probability that the train will arrive at the station on time.

Figure 2 shows a train driving assistance system comprising:

The storage unit 201 is configured to store a driving route database, where the driving route database includes: preset location information of the early warning point, early warning information, number of braking times of the train between two adjacent stations, and time information of the train arrival time. The driving information between the two adjacent stations, the correspondence between the location information of the early warning point and the early warning information, the correspondence between the train arrival time information, the braking number and the driving information a record of the correspondence between the train arrival time information, the number of brakes, and the driving information as a solution;

a first acquiring unit 202, configured to acquire a location of the train;

a second obtaining unit 203, configured to acquire location information of a next early warning point from the driving route database;

The warning distance calculating unit 204 is configured to calculate the train and the next early warning point according to the position of the train acquired by the first acquiring unit and the position information of the next early warning point acquired by the second acquiring unit Early warning distance

The first display unit 205 is configured to display the early warning information corresponding to the location information of the next early warning point when the early warning distance is less than or equal to the preset value;

The screening unit 206 is configured to filter out a preferred solution according to the train arrival time information and the number of brakes of the train;

The second display unit 207 is configured to determine driving information according to the preferred solution, and display the determined driving information.

The driving information includes: traction level, traction speed, running mileage, braking distance and system Dynamic level. The warning information includes: speed limit information of the early warning point, curve information of the early warning point, and km mark information of the early warning point.

In an implementation manner, the driving route database further includes: a kilometer of the station;

The first obtaining unit 202 includes a speed acquiring subunit 2021 and a position calculating subunit 2022 not shown in the figure;

The speed acquisition subunit 2021 is configured to acquire a running speed of the train; wherein the speed acquiring subunit can be implemented by a speed sensor.

The position calculation subunit 2022 is configured to calculate the position of the train according to the formula 1. The formula 1 is: S ₂ = S ₁ + vt, S ₂ is the position of the train, and S ₁ is the km mark of the previous station, v For the running speed of the train, t is the running time after the train departs from the previous station.

The screening unit 206 includes a first screening subunit 2061 and a second screening subunit 2062 not shown in the figure;

The first screening subunit 2061 is configured to filter out a priming plan of the on-time arrival from the train-to-station time information, that is, select a priming plan based on the train arrival time information;

The second screening sub-unit 2062 is configured to select a preferred scheme for minimizing the number of braking from the primary selection scheme.

In addition, the first display unit or the second display unit may further display pre-implanted line information, where the line information includes: a speed limit area of the line and its speed limit value, line speed limit information, curve information, and line The kilometer and phase separation zones.

The content of the information exchange and the execution process between the units and the sub-units in the above-mentioned device are based on the same concept as the method embodiment of the present invention. For details, refer to the description in the method embodiment of the present invention, and details are not described herein again.

It should be noted that, in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying between these entities or operations. There are any such actual relationships or sequences. Furthermore, the term "comprises" or "comprises" or "comprises" or any other variations thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also Other elements, or are included for this process, method, item or The elements inherent in the device. An element defined by the phrase "comprising a singularity", without further limitation, does not exclude the presence of additional equivalents in the process, method, article, or device that comprises the element.

A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be completed by using hardware related to the program instructions. The foregoing program may be stored in a computer readable storage medium, and the program is executed when executed. The steps of the foregoing method embodiments are included; and the foregoing storage medium includes: various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

It should be noted that the above description is only a preferred embodiment of the present invention, and is only for explaining the technical solutions of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalents, improvements, etc. made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

A train driving assistance method is characterized in that a driving route database is set in advance, and the driving route database includes: preset location information of an early warning point, early warning information, braking times of trains between two adjacent stations, and a train The arrival time information, the driving information between two adjacent stations, the correspondence between the location information of the early warning point and the early warning information, the train arrival time information, the braking times and the driving information Corresponding relationship between the ones of the train arrival time information, the number of brakes, and the corresponding relationship between the driving information is a solution; the method includes:

S1: obtaining the position of the train;

S2: obtaining location information of the next early warning point;

S3: calculating an early warning distance between the train and the next early warning point according to the location of the train and the location information of the next early warning point;

S4: When it is calculated that the warning distance is less than or equal to a preset value, displaying the warning information corresponding to the location information of the next early warning point;

S5: screening a preferred solution according to the train arrival time information and the number of brakes of the train;

S6: Determine driving information according to the preferred solution, and display the determined driving information.
The method of claim 1 wherein said driving information comprises: a traction level, a traction speed, a running range, a braking distance, and a braking level.
The method according to claim 1, wherein the warning information comprises: speed limit information of the early warning point, curve information of the early warning point, and km mark information of the early warning point.
The method according to claim 1 or 3, wherein the driving route database further comprises: a kilometer of the station;

The S1 includes:

Obtain the running speed of the train;

Calculate the position of the train according to Formula 1, the formula one is: S 2 = S 1 + vt, S 2 is the position of the train, S 1 is the km mark of the previous station, and v is the running speed of the train. t is the running time of the train after departure from the previous station.
The method according to claim 1 or 2, wherein said S5 comprises:

Selecting a preliminary selection plan for on-time arrival according to the train arrival time information;

A preferred solution for minimizing the number of brakes is screened from the primary selection.
A train driving assistance system, comprising:

a storage unit, configured to store a driving route database, where the driving route database includes: preset location information of the early warning point, early warning information, braking times of trains between two adjacent stations, train arrival time information, adjacent The driving information between the two stations, the correspondence between the location information of the early warning point and the early warning information, the correspondence between the train arrival time information, the number of braking times, and the driving information, Wherein, the recording of the correspondence between the train arrival time information, the braking number and the driving information is a scheme;

a first acquiring unit, configured to acquire a position of the train;

a second acquiring unit, configured to acquire location information of a next early warning point from the driving route database;

An early warning distance calculating unit, configured to calculate an early warning of the train and the next early warning point according to the location of the train acquired by the first acquiring unit and the location information of the next early warning point acquired by the second acquiring unit distance;

The first display unit is configured to display, when the warning distance is less than or equal to a preset value, the warning information corresponding to the location information of the next early warning point;

a screening unit, configured to screen a preferred solution according to the train arrival time information and the number of brakes of the train;

And a second display unit, configured to determine driving information according to the preferred solution, and display the determined driving information.
The system of claim 6 wherein said driving information comprises: a traction level, a traction speed, a running range, a braking distance, and a braking level.
The system according to claim 6, wherein the warning information comprises: speed limit information of the early warning point, curve information of the early warning point, and kilometer information of the early warning point.
The system according to claim 6 or 8, wherein the driving route database further comprises: a kilometer of the station;

The first obtaining unit includes:

a speed acquisition subunit for obtaining a running speed of the train;

a position calculation subunit for calculating a position of the train according to the formula 1. The formula one is: S 2 = S 1 + vt, S 2 is the position of the train, and S 1 is the km mark of the previous station, and v is The running speed of the train, t is the running time of the train after departure from the previous station.
The system according to claim 6 or 7, wherein the screening unit comprises:

a first screening subunit, configured to filter out a preliminary selection scheme based on the train arrival time information;

A second screening subunit is used to select a preferred scheme for minimizing the number of braking from the primary selection scheme.