CN109795375A - A kind of train regenerating brake control method and system - Google Patents
A kind of train regenerating brake control method and system Download PDFInfo
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- CN109795375A CN109795375A CN201910140908.5A CN201910140908A CN109795375A CN 109795375 A CN109795375 A CN 109795375A CN 201910140908 A CN201910140908 A CN 201910140908A CN 109795375 A CN109795375 A CN 109795375A
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Abstract
The present invention provides a kind of train regenerating brake control method and systems, comprising: according to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information, obtains the second traction network pressure of train；Wherein, the first traction network pressure is the traction network pressure of the corresponding electric substation's DC bus of train, and the second traction network pressure is the traction network pressure at train pantograph；If judgement knows that the second traction network pressure is in preset range, start regeneration energy absorbing device, completes to control the regenerative braking of train.The traction network pressure at pantograph is calculated by traction network pressure, driving route, electric substation's distributed intelligence, site location and the starting/braking information at DC bus, triggering regeneration energy absorbing device when traction network pressure at pantograph is in preset range, completes regenerative braking control.Avoiding the train as caused by Traction networks pressure difference factor cannot achieve regeneration energy absorption, while reduce the frequency of train mechanical braking.
Description
Technical field
The present embodiments relate to technical field of rail traffic, more particularly, to a kind of train regenerative braking controlling party
Method and system.
Background technique
Urban rail transit vehicles electric braking (regenerative braking) is needed through electric brakings such as vehicle-mounted chopper and braking resistors
Traction networks DC voltage is kept within a certain set range by equipment by the consumption of braking resistor.Vehicle-mounted braking resistor is set
It sets to bring and aggravates traction load, tunnel temperature rise is led to problems such as to aggravate year by year, energy absorbing device is regenerated using ground, is had become
For later period rail traffic development trend.
Current ground regeneration energy absorbing device scheme generally by adjusting regeneration energy absorbing device startup threshold values, with
Match the limitation of the control strategy and Traction networks ceiling voltage of train.However, the Traction networks of ground regeneration energy absorbing device
Pressure collection point is normally at electric substation's DC bus, and traction network pressure collected is vehicle by electricity in train brake control strategy
Near bow, since Traction networks are there are network pressure loss, Traction networks pressure difference can be generated between two collection points.It is rigidly outstanding with DC1500V
For mounting is touched net, Traction networks floating voltage is 1680V, ceiling voltage 1800V, will start mechanical system more than 1800V train
It is dynamic, therefore general ground Regenerated energy amount absorption plant startup threshold values are generally 1700-1750V.And it is towed between institute's spacing, traction institute
The factors such as station quantity, train braking position, train traction characteristic influence, when train takes stream and braking, pantograph and direct current
The Traction networks pressure difference maximum of bus can achieve 70~80V/km.
The presence of Traction networks pressure difference factor causes following scenario described can occur: when train braking positional distance draws institute farther out
When, mechanical braking threshold values is had reached at train pantograph and regeneration energy absorbing device trigger valve has not yet been reached in DC bus-bar voltage
Value causes regeneration energy absorbing device not operating, to cannot achieve the absorption of train regeneration energy, increases train mechanical braking
Frequency.
Summary of the invention
The embodiment of the invention provides a kind of trains for overcoming the above problem or at least being partially solved the above problem again
Raw brake control method and system.
The embodiment of the invention provides a kind of train regenerating brake control methods for first aspect, comprising:
According to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking
Information obtains the second traction network pressure of the train；Wherein, the first traction network pressure is that the corresponding electric substation of the train is straight
The traction network pressure of bus is flowed, the second traction network pressure is the traction network pressure at the train pantograph；
If judgement knows that the second traction network pressure is in preset range, start regeneration energy absorbing device, with complete
The regenerative braking control of the pairs of train.
On the other hand the embodiment of the invention provides a kind of train regenerative brake control systems, comprising:
Draw network pressure obtain module, for according to the first of train traction network pressure, driving route, electric substation's distributed intelligence,
Site location and starting/braking information obtain the second traction network pressure of the train；Wherein, the first traction network pressure is
The traction network pressure of the corresponding electric substation's DC bus of the train, the second traction network pressure is leading at the train pantograph
Draw network pressure；
Energy absorbing device starting module is regenerated, if for judging to know that the second traction network pressure is in preset range
It is interior, then start regeneration energy absorbing device, to complete the regenerative braking control to the train.
The embodiment of the invention provides include processor, communication interface, memory and bus for the third aspect, wherein processing
Device, communication interface, memory complete mutual communication by bus, and processor can call the logical order in memory,
To execute the train regenerating brake control method of first aspect offer.
The embodiment of the invention provides a kind of non-transient computer readable storage medium, the non-transient calculating for fourth aspect
Machine readable storage medium storing program for executing stores computer instruction, and the computer instruction makes the computer execute the train that first aspect provides
Regenerating brake control method.
The embodiment of the invention provides a kind of train regenerating brake control method and systems, comprising: according to the first of train
Network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information are drawn, the second of the train is obtained
Draw network pressure；Wherein, the first traction network pressure is the traction network pressure of the corresponding electric substation's DC bus of the train, described the
Two traction network pressures are the traction network pressure at the train pantograph；If judgement knows that the second traction network pressure is in preset range
It is interior, then start regeneration energy absorbing device, to complete the regenerative braking control to the train.It is female by train electric substation direct current
Traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information COMPREHENSIVE CALCULATING at line obtain
Traction network pressure at train pantograph, triggering regeneration energy absorption dress when the traction network pressure at pantograph is in preset range
It sets, completes regenerative braking control.Avoiding the train as caused by Traction networks pressure difference factor cannot achieve regeneration energy absorption, together
When reduce the frequency of train mechanical braking.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow chart of train regenerating brake control method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural block diagram of train regenerative brake control system provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of flow chart of train regenerating brake control method provided in an embodiment of the present invention, as shown in Figure 1, packet
It includes:
S101, according to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/
Braking information obtains the second traction network pressure of the train；Wherein, the first traction network pressure is the corresponding power transformation of the train
The traction network pressure of institute's DC bus, the second traction network pressure are the traction network pressure at the train pantograph；
S102 starts regeneration energy absorbing device if judgement knows that the second traction network pressure is in preset range,
To complete the regenerative braking control to the train.
In step s101, in Train Detection and Identification strategy, what is obtained is that train draws network pressure, i.e. train in real time
The voltage at Traction networks is accessed, is exactly the traction network pressure at train pantograph.And ground regeneration energy absorbing device with
The corresponding electric substation's connection of train, its triggering is determined by the traction network pressure at electric substation's DC bus in the prior art.
Due to drawing the presence of network pressure, it is clear that the traction network pressure at traction network pressure and electric substation's DC bus at train pantograph is simultaneously
It is not identical.I.e. first traction network pressure and the second traction network pressure be not identical.
In step s 102, in order to guarantee that the movement of the control strategy and regeneration energy absorbing device of train matches,
When triggering power of regeneration absorption plant, using the traction network pressure at train pantograph as triggering criterion, i.e., using the second traction
Network pressure is as criterion.
Specifically, it in train process of regenerative braking, obtains train first and draws network pressure, and according to the first network pressure and
Driving route, electric substation's distributed intelligence, site location and the starting/braking information known obtain the second traction network pressure of train.
The trigger timing of regeneration energy absorbing device is obtained in next step.It is understood that when the second traction network pressure is in default model
When enclosing interior, illustrates that train needs to start regeneration energy absorbing device, that is, reach the starting opportunity of rechargeable energy absorption plant.It opens
After dynamic regeneration energy absorbing device, the DC voltage of Traction networks is maintained into certain value, and then complete the control for brake to train.
Wherein, the bound of preset range can be set according to actual condition.It, generally can be in the second traction under actual condition
Starting regeneration energy absorbing device when network pressure is greater than a certain preset value, which is the value belonged in preset range.
It should be noted that the embodiment of the present invention can establish the regeneration energy simulation analysis system based on train positioning system
System, the basic datas such as input driving route, electric substation's distributed intelligence, site location are obtained train position by signal system and are opened
Dynamic, braking information, each traction institute DC bus real-time voltage data as acquired in power transformation carry out emulation point by daemon software
Analysis obtains the real time data of the second traction network pressure, the auxiliary judgment foundation for putting into/exiting as regeneration energy absorbing device accordingly.
A kind of train regenerating brake control method provided in an embodiment of the present invention, at train electric substation DC bus
Traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information COMPREHENSIVE CALCULATING obtain train by
Traction network pressure at pantograph, triggering regeneration energy absorbing device, is completed when the traction network pressure at pantograph is in preset range
Regenerative braking control.Avoiding the train as caused by Traction networks pressure difference factor cannot achieve regeneration energy absorption, reduce simultaneously
The frequency of train mechanical braking.
In the above-described embodiments, further includes:
According to the position of the position in the stop-off point and the corresponding electric substation of the train, the default model is obtained
It encloses.
Further, described according to the position in the stop-off point and the position of the corresponding electric substation of the train, it obtains
The preset range is taken, is specifically included:
According to the position of the position in the stop-off point and the corresponding electric substation of the train, obtain the electric substation with
The distance between described stop；
The Traction networks pressure drop between the electric substation and the stop is calculated according to the distance, and according to the traction
Network pressure drop and the first traction network pressure obtain the preset range.
Specifically, since the average pressure drop of same distance in Traction networks is known, as long as obtaining between two positions
Distance, the Traction networks pressure drop between two positions can be obtained.It, can be according to Traction networks pressure drop after obtaining Traction networks pressure drop
Preset range is determined in conjunction with the first traction network pressure.
In the above-described embodiments, described that the preset range is obtained according to the Traction networks pressure drop, it specifically includes:
By the sum of the Traction networks pressure drop and the first traction network pressure multiplied by predetermined coefficient, the preset range is obtained；
Wherein, the predetermined coefficient includes upper limit coefficient and lower limit coefficient.
Specifically, in actual condition, obtained Traction networks pressure drop can not be exactly corresponded between two positions
Distance is respectively provided with upper limit coefficient and lower limit coefficient, and then determine preset range to guarantee the safety of control for brake,
So that the trigger timing of regeneration energy absorbing device is more timely.
In the above-described embodiments, further includes:
According to the driving route of the train, electric substation's distributed intelligence and site location, the stop-off point is obtained
Position and the corresponding electric substation of the train position.
Specifically, in urban track traffic, traffic route, site information and the distribution of electric substation of each train are all
Given information, according to these Given informations carry out analytical calculation, can be obtained each shuttle train stop and corresponding change
Electricity position.It is corresponding all pre- that energy absorbing device is regenerated it is possible to further calculating the train on a route
If range.
In the above-described embodiments, according to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, website
Position and starting/braking information, obtain the train second traction network pressure before, further includes:
The first Traction networks of the train are obtained from vehicle-mounted monitoring equipment, station monitoring device or monitoring device at central level
Pressure, driving route, electric substation's distributed intelligence and site location；And opening for the train is obtained from the signal system of the train
Dynamic/braking information.
Specifically, train can be obtained from three vehicle-mounted monitoring equipment, station monitoring device, monitoring device at central level levels
Above-mentioned data, it is contemplated that completely plan as a whole, the above-mentioned data for obtaining train from monitoring device at central level are analyzed data and imitative
Very advantageously.
In the above-described embodiments, further includes:
If judgement knows that the second traction network pressure is greater than the upper limit value of the preset range, start the machine of the train
Tool braking.
Specifically, when upper limit value of the second traction network pressure greater than preset range, illustrate beyond regeneration energy absorbing device
The energy absorption limit needs to start the mechanical specified safety that just can guarantee braking.
Fig. 2 is a kind of structural block diagram of train regenerative brake control system provided in an embodiment of the present invention, as shown in Fig. 2,
Module 201 and regeneration energy absorbing device starting module 202 are obtained including traction network pressure.Wherein:
It draws network pressure and obtains module 201 for according to the first of train the traction network pressure, driving route, electric substation's distribution letter
Breath, site location and starting/braking information obtain the second traction network pressure of the train；Wherein, the first traction network pressure
For the traction network pressure of the corresponding electric substation's DC bus of the train, the second traction network pressure is at the train pantograph
Draw network pressure.If regeneration energy absorbing device starting module 202 knows that the second traction network pressure is in default model for judging
In enclosing, then start regeneration energy absorbing device, to complete the regenerative braking control to the train.
Specifically, system further includes that preset range obtains module, for according to the position in the stop-off point and described
The position of the corresponding electric substation of train, obtains the preset range.
Further, preset range obtains module, is specifically used for:
According to the position of the position in the stop-off point and the corresponding electric substation of the train, obtain the electric substation with
The distance between described stop；
The Traction networks pressure drop between the electric substation and the stop is calculated according to the distance, and according to the traction
Network pressure drop and the first traction network pressure obtain the preset range.
Further, preset range obtains module, is specifically used for:
By the sum of the Traction networks pressure drop and the first traction network pressure multiplied by predetermined coefficient, the preset range is obtained；
Wherein, the predetermined coefficient includes upper limit coefficient and lower limit coefficient.
Further, preset range obtains module, is specifically used for:
According to the driving route of the train, electric substation's distributed intelligence and site location, the stop-off point is obtained
Position and the corresponding electric substation of the train position.
Further, traction network pressure obtains module 201 and is specifically used for:
The first Traction networks of the train are obtained from vehicle-mounted monitoring equipment, station monitoring device or monitoring device at central level
Pressure, driving route, electric substation's distributed intelligence and site location；And opening for the train is obtained from the signal system of the train
Dynamic/braking information.
Further, system further includes mechanical braking module, if for judging to know that the second traction network pressure is greater than institute
The upper limit value of preset range is stated, then starts the mechanical braking of the train.
A kind of train regenerative brake control system provided in an embodiment of the present invention, at train electric substation DC bus
Traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information COMPREHENSIVE CALCULATING obtain train by
Traction network pressure at pantograph, triggering regeneration energy absorbing device, is completed when the traction network pressure at pantograph is in preset range
Regenerative braking control.Avoiding the train as caused by Traction networks pressure difference factor cannot achieve regeneration energy absorption, reduce simultaneously
The frequency of train mechanical braking.
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention, as shown in figure 3, electronic equipment packet
It includes: processor (processor) 301, communication interface (Communications Interface) 302, memory (memory)
303 and bus 304, wherein processor 301, communication interface 302, memory 303 complete mutual communication by bus 304.
Processor 301 can call the logical order in memory 303, to execute following method, for example, according to the first of train
Network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information are drawn, the second of the train is obtained
Draw network pressure；Wherein, the first traction network pressure is the traction network pressure of the corresponding electric substation's DC bus of the train, described the
Two traction network pressures are the traction network pressure at the train pantograph；If judgement knows that the second traction network pressure is in preset range
It is interior, then start regeneration energy absorbing device, to complete the regenerative braking control to the train.
Logical order in above-mentioned memory 302 can be realized and as independent by way of SFU software functional unit
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention
Substantially the part of the part that contributes to existing technology or the technical solution can be produced technical solution in other words with software
The form of product embodies, which is stored in a storage medium, including some instructions are used so that one
Platform computer equipment (can be personal computer, server or the network equipment etc.) executes described in each embodiment of the present invention
The all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage
Medium storing computer instruction, the computer instruction make the computer execute side provided by above-mentioned each method embodiment
Method, for example, according to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, site location and starting/
Braking information obtains the second traction network pressure of the train；Wherein, the first traction network pressure is the corresponding power transformation of the train
The traction network pressure of institute's DC bus, the second traction network pressure are the traction network pressure at the train pantograph；If judgement is known
The second traction network pressure is in preset range, then starts regeneration energy absorbing device, to complete the regeneration to the train
Control for brake.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as communication equipment described above are only schematical, wherein unit as illustrated by the separation member
It may or may not be physically separated, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of train regenerating brake control method characterized by comprising
Network pressure, driving route, electric substation's distributed intelligence, site location and starting/braking information are drawn according to the first of train,
Obtain the second traction network pressure of the train；Wherein, the first traction network pressure is that the corresponding electric substation's direct current of the train is female
The traction network pressure of line, the second traction network pressure are the traction network pressure at the train pantograph；
If judgement knows that the second traction network pressure is in preset range, start regeneration energy absorbing device, with completion pair
The regenerative braking of the train controls.
2. method according to claim 1, which is characterized in that further include:
According to the position of the position in the stop-off point and the corresponding electric substation of the train, the preset range is obtained.
3. method according to claim 2, which is characterized in that the position according to the stop-off point and the train
The position of corresponding electric substation obtains the preset range, specifically includes:
According to the position of the position in the stop-off point and the corresponding electric substation of the train, obtain the electric substation with it is described
The distance between stop；
The Traction networks pressure drop between the electric substation and the stop is calculated according to the distance, and according to the traction network pressure
Drop and the first traction network pressure obtain the preset range.
4. method according to claim 3, which is characterized in that described according to the Traction networks pressure drop and first Traction networks
Pressure obtains the preset range, specifically includes:
By the sum of the Traction networks pressure drop and the first traction network pressure multiplied by predetermined coefficient, the preset range is obtained；Wherein,
The predetermined coefficient includes upper limit coefficient and lower limit coefficient.
5. method according to claim 3, which is characterized in that further include:
According to the driving route of the train, electric substation's distributed intelligence and site location, the position in the stop-off point is obtained
Set the position of electric substation corresponding with the train.
6. method according to claim 1, which is characterized in that according to the first of train the traction network pressure, driving route, power transformation
Institute's distributed intelligence, site location and starting/braking information, obtain the train second traction network pressure before, further includes:
The first traction network pressure, row of the train is obtained from vehicle-mounted monitoring equipment, station monitoring device or monitoring device at central level
Fare road, electric substation's distributed intelligence and site location；And starting/system of the train is obtained from the signal system of the train
Dynamic information.
7. method according to claim 1, which is characterized in that further include:
If judgement knows that the second traction network pressure is greater than the upper limit value of the preset range, start the mechanical system of the train
It is dynamic.
8. a kind of train regenerative brake control system characterized by comprising
It draws network pressure and obtains module, for according to the first of train the traction network pressure, driving route, electric substation's distributed intelligence, website
Position and starting/braking information obtain the second traction network pressure of the train；Wherein, the first traction network pressure is described
The traction network pressure of the corresponding electric substation's DC bus of train, the second traction network pressure are the Traction networks at the train pantograph
Pressure；
Energy absorbing device starting module is regenerated, if for judging to know that the second traction network pressure is in preset range,
Starting regeneration energy absorbing device, to complete the regenerative braking control to the train.
9. a kind of electronic equipment, which is characterized in that including processor, communication interface, memory and bus, wherein processor leads to
Believe that interface, memory complete mutual communication by bus, processor can call the logical order in memory, to execute
Train regenerating brake control method as described in any one of claim 1 to 7.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute train regeneration as described in any one of claim 1 to 7
Brake control method.
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