CN107697056A - Track train braking control system and control method - Google Patents
Track train braking control system and control method Download PDFInfo
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- CN107697056A CN107697056A CN201710762304.5A CN201710762304A CN107697056A CN 107697056 A CN107697056 A CN 107697056A CN 201710762304 A CN201710762304 A CN 201710762304A CN 107697056 A CN107697056 A CN 107697056A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Regulating Braking Force (AREA)
Abstract
The present invention proposes a kind of track train braking control system and control method, the electric braking force application value and air damping power application value in each compartment is finally calculated by setting each carriage brake control unit to receive train braking instruction and calculating this compartment, this compartment place traction unit, the load of train, electric braking maximum value available and air damping maximum value available respectively in it；The unit electric braking maximum value available and unit air damping maximum value available of traction unit where this compartment, and train electric braking maximum value available and train air the braking maximum value available of track train can be according to each carriage status real-time updates, avoid head car brak control unit in the prior art or end car brak control unit breaks down and causes the technical problem of track train brake fade, the insensitivity of track train braking control system is improved, and further increases the driving safety of track train.
Description
Technical field
The invention belongs to track train braking technology field, more particularly to a kind of track train braking control system and control
Method.
Background technology
Track train generally comprises several traction units, and each traction unit includes some section compartments, wherein compartment point
For motor train compartment and trailer body, motor train compartment can carry out electric braking and air damping, and trailer body can only carry out air damping.
The core component of track train braking control system is the brak control unit being installed on every section compartment.
At present, track train braking control system mainly replies conjunction braking mode by cable using sky, and sky replies conjunction braking mode by cable and is
Electric braking preferentially is used, when electric braking deficiency, is supplemented by air damping.Sky, which is replied by cable, to be closed braking mode and is divided into bicycle level and answers
Braking mode, cell level composite braking pattern and train level composite braking pattern are closed, and.Wherein, bicycle level composite braking mould
The course of work of formula is：Motor-car according to this car load, can be entered with electric braking value and available air brake value in the range of bicycle
Row composite braking.The course of work of cell level composite braking pattern is：Traction unit according to this traction unit load, can electricity consumption system
Dynamic value and available air brake value carry out composite braking in the range of traction unit.Train level composite braking pattern is typically in train
Train braking management device is provided with head car brak control unit, unit style is provided with the car brak control unit of traction unit end
Dynamic manager, its course of work are：The brake unit manager of end car collects the compartment load in each compartment in this traction unit, car
Railway carriage or compartment with electric braking value and compartment available air brake value and can calculate the unit load of this traction unit, unit and can use electric braking
Value and unit available air brake value, each traction unit end car brak control unit can use the unit load of this unit, unit
Electric braking value and unit available air brake value are sent to head car brak control unit；Head car team car brake management device, which receives, respectively to be led
Draw the unit load of unit, unit can use electric braking value and unit available air brake value, and calculate train load, train can use
Electric braking value and train available air brake value, head car team car brake management device receive train braking instruction, and according to working as forefront
Vehicle-mounted lotus, train can carry out brake force calculating and distribution with electric braking value and train available air brake value, and brake force is divided
Sent with instruction to brake unit manager, brake unit manager and braking force distribution instruction is sent to each carriage brake and controlled
Unit, to realize the control for brake to each compartment.
Closed from the foregoing, it will be observed that prior art train level sky is replied by cable in braking mode, head car brak control unit needs to collect meter
Train load, train electric braking maximum value available and train air the braking maximum value available of this train are calculated, when the head car of train
Brak control unit or hold car brak control unit break down when, easily cause train or traction unit brake fade,
And then have a strong impact on the security of train.
The content of the invention
The present invention replies by cable for above-mentioned sky closes deficiency existing for braking mode, proposes a kind of track train control for brake system
System and control method, have higher insensitivity, are advantageous to improve the driving safety of train.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of track train braking control system, for controlling the electric braking force application value and air system of the track train
Power application value, the track train include multiple traction units, and the traction unit includes more piece compartment, the track train
Braking control system includes：
Brake control module：For calculating the compartment load, compartment electric braking maximum value available and cabin air in each compartment
Maximum value available is braked, and for calculating the unit load, unit electric braking maximum value available and unit air of each traction unit
Maximum value available is braked, and calculates train load, train electric braking maximum value available and the train air braking of track train
Maximum value available, including the brak control unit being arranged in each compartment；
Transfer module：Including：Braking instruction transfer unit：Controlled for train braking instruction to be transferred into each carriage brake
Unit；Signal transfer unit in unit：Compartment load, compartment electric braking for transmitting each compartment in each traction unit is maximum
Usable levels and cabin air braking maximum value available；Signal transfer unit between unit：It is each for being transmitted between different traction units
Unit load, unit electric braking maximum value available and the unit air damping maximum value available of traction unit.
A kind of track train brake control method, it is described for controlling using foregoing track train brake control method
The electric braking force value and air damping force value of track train, the track train include multiple traction units, the traction unit
Including multiple compartments, comprise the following steps：
S1：Each carriage brake control unit calculates the compartment load in this compartment, compartment electric braking maximum value available and compartment
Air damping maximum value available, and send to the brak control unit in other compartments of traction unit where this compartment；
S2：The compartment load in other compartments of traction unit, car electrical where each carriage brake control unit receives this compartment
Maximum value available and cabin air braking maximum value available are braked, and calculates the unit load of this traction unit, unit electric braking
Maximum value available and unit air damping maximum value available；
S3：The unit load of traction unit, unit electric braking are maximum where each carriage brake control unit sends this compartment
To other traction units, it is single that each carriage brake control unit receives other tractions for usable levels and unit air damping maximum value available
Unit load, unit electric braking maximum value available and the unit air damping maximum value available of member are counted to other traction units
Calculate train load, train electric braking maximum value available and train air the braking maximum value available of track train；
S4：Each carriage brake control unit receives train braking instruction, and calculates the electric braking setting percentage in this compartment
Percentage is set with air damping；
S5：Each carriage brake control unit calculates the electric braking force application value and air damping power application value in this compartment.
Preferably, in step S2, the unit load calculation formula of traction unit is where each compartment：Mj=Σ Mji；
The unit electric braking maximum value available calculation formula of traction unit is where each compartment：EDj=Σ EDji；
The unit air damping maximum value available calculation formula of traction unit is where each compartment：EPj=Σ EPji；
Wherein, MjFor the unit load of jth traction unit, MjiFor the compartment load in the compartment of jth traction unit i-th, EDjFor
The unit electric braking maximum value available of jth traction unit, EDjiIt is maximum available for the compartment electric braking in the compartment of jth traction unit i-th
Value, EPjFor the unit air damping maximum value available of jth traction unit, EPjiFor the cabin air in the compartment of jth traction unit i-th
Brake maximum value available.
Preferably, the cabin air braking maximum value available calculation formula in each compartment is：EPji=Fji-EDji；
Wherein, FjiCompartment maximum for the compartment of jth traction unit i-th can use brake force.
Preferably, the compartment maximum in each compartment can be with brake force calculation formula：Fji=Mji*a；
Wherein, a is the track train maximum deceleration that each carriage brake control unit is calculated.
Preferably, in step S3, the train load calculation formula of track train is：M=Σ Mj；
The train electric braking maximum value available calculation formula of track train is：ED=Σ EDj；
The train air of track train brakes maximum value available calculation formula：EP=Σ EPj；
Wherein, ED is train electric braking maximum value available, and EP is that train air brakes maximum value available.
Preferably, in step S4, if Fn≤ΣEDj, then the electric braking in each compartment set percentage calculation formula as：X%
=Fn/ΣEDj* 100%, the air damping setting percentage y%=0 in each compartment；
If Fn＞ Σ EDj, then each compartment electric braking setting percentage x%=1, each compartment air damping setting percentage
It is than calculation formula：Y%=(Fn-ΣEDj)/ΣEPj* 100%；
Wherein, FnFor the braking force of train requirements of track train.
Preferably, the braking force of train requirements calculation formula of track train is：Fn=M*an；
Wherein, anThe track train demand deceleration calculated for each carriage brake control unit.
Preferably, in step S5, the electric braking force application value calculation formula in each compartment is：EDjin=x%*EDji；
The air damping power application value calculation formula in each compartment is：EPjin=y%*EPji；
Wherein, EDjinFor the compartment electric braking force application value in the compartment of jth traction unit i-th, EPjinFor jth traction unit
The cabin air brake force application value in i compartments.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, track train braking control system of the invention, its each carriage brake control unit receive train braking instruction
And load, electric braking maximum value available and the air damping of traction unit and train where calculating this compartment, this compartment respectively are most
Big usable levels, and the electric braking force application value and air damping power application value in each compartment is finally calculated, when certain carriage brake
When control unit breaks down, the unit electric braking maximum value available of traction unit where this compartment and unit air damping are maximum
Usable levels change therewith, while train electric braking maximum value available and train air the braking maximum value available of track train
Also change, then recalculate and draw each compartment electric braking force application value and air damping power application value, avoid existing
Head car brak control unit or end car brak control unit break down and cause the skill of track train brake fade in technology
Art problem, improves the insensitivity of track train braking control system, and further increases the traveling peace of track train
Quan Xing.
2nd, track train brake control method of the invention, it is by setting each carriage brake control unit to receive train
Braking instruction simultaneously calculates this compartment, this compartment place traction unit, the load of train, electric braking maximum value available and air respectively
Maximum value available is braked, and the electric braking force application value and air damping power application value in each compartment is finally calculated, when certain car
When railway carriage or compartment brak control unit breaks down, the unit electric braking maximum value available and unit air system of traction unit where this compartment
Dynamic maximum value available changes therewith, while train electric braking maximum value available and the train air braking of track train are maximum
Usable levels also change, and then recalculate and draw each compartment electric braking force application value and air damping power application value, avoid
Head car brak control unit or end car brak control unit break down and cause track train braking to lose in the prior art
The technical problem of effect, improves the insensitivity of track train braking control system, and further increases track train
Driving safety.
Brief description of the drawings
Fig. 1 is the flow chart of track train brake control method of the present invention.
Embodiment
Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to which explanation, term " interior ", " outer ", " on ", " under ", "front", "rear" etc. indicate
Orientation or position relationship be based on position relationship shown in the drawings, be for only for ease of the description present invention and simplify description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and can not manage
Solve to indicate or implying relative importance.
The present invention proposes a kind of track train braking control system, for controlling the electric braking force of the track train to apply
Value and air damping power application value, the track train include multiple traction units, and each traction unit includes more piece car
Railway carriage or compartment, the track train braking control system include brake control module and transfer module, wherein, the brake control module is used
Maximum value available is braked in the compartment load, compartment electric braking maximum value available and cabin air for calculating each compartment, while can be counted
The unit load, unit electric braking maximum value available and unit air damping maximum value available of each traction unit are calculated, calculates track
Train load, train electric braking maximum value available and the train air braking maximum value available of train, and finally calculate each car
The electric braking force application value and air damping power application value in railway carriage or compartment, including the brak control unit being arranged in each compartment；The biography
Module is passed including signal transfer unit, braking instruction pass between signal transfer unit and unit in braking instruction transfer unit, unit
Pass unit to be used to train braking instruction being transferred to each carriage brake control unit, signal transfer unit is used to respectively lead in unit
Draw compartment load, compartment electric braking maximum value available and cabin air the braking maximum value available that each compartment is transmitted in unit, institute
Signal transfer unit is used to transmit the unit load of each traction unit, unit electric braking between different traction units most between stating unit
Big usable levels and unit air damping maximum value available.
It should be noted that the track train braking control system of the present invention, each carriage brake control unit can calculate this
Compartment load, compartment electric braking maximum value available and the cabin air braking maximum value available in compartment, and pass through signal in unit
In other carriage brake control units where transfer unit sends above-mentioned signal to this compartment in traction unit, each carriage brake
Compartment load, compartment electric braking maximum value available and the compartment in other interior compartments of traction unit where control unit receives this compartment
Air damping maximum value available, and it is maximum available that the unit load of this compartment place traction unit, unit electric braking is calculated
Value and unit air damping maximum value available.
Further, each carriage brake control unit is led where sending this compartment by signal transfer unit between the unit
Draw unit load, unit electric braking maximum value available and unit air damping maximum value available in unit to other traction units
Interior compartment brak control unit, each carriage brake control unit receive other by signal transfer unit between the unit simultaneously and led
Draw the unit load, unit electric braking maximum value available and unit air damping maximum value available of unit, and track is calculated
Train load, train electric braking maximum value available and the train air braking maximum value available of train.
Further, each carriage brake control unit receives braking instruction by the braking instruction transfer unit and calculated
The electric braking force application value and air damping power application value in this compartment.
The track train braking control system of the present invention, its each carriage brake control unit receive train braking instruction simultaneously
The load of traction unit and train, electric braking maximum value available and air damping are maximum where calculating this compartment, this compartment respectively
Usable levels, and the electric braking force application value and air damping power application value in each compartment is finally calculated, when certain carriage brake control
When unit processed breaks down, the unit electric braking maximum value available of traction unit and unit air damping maximum can where this compartment
With value with the state real-time update in each compartment, while the train electric braking maximum value available and train air of track train are braked
Maximum value available also real-time update, then recalculates and draws each compartment electric braking force application value and air damping power application value,
Avoid head car brak control unit in the prior art or end car brak control unit breaks down and causes track train system
The technical problem of dynamic failure, improves the insensitivity of track train braking control system, and further increase track column
The driving safety of car.
Preferably, the braking instruction transfer unit is rigid line or networking；Signal transfer unit is in the unit
MVB networks；Signal transfer unit is WTB networks between the unit.
Present invention further propose that a kind of track train brake control method, utilizes foregoing track train control for brake side
Method, for controlling the electric braking force value and air damping force value of the track train, it is single that the track train includes multiple tractions
Member, the traction unit include multiple compartments, comprised the following steps：
S1：Each carriage brake control unit calculates the compartment load in this compartment, compartment electric braking maximum value available and compartment
Air damping maximum value available, and drawn where above-mentioned signal is sent to this compartment by signal transfer unit in the unit
The brak control unit in other compartments of unit；
S2：Each carriage brake control unit is drawn where receiving this compartment by network signal transfer unit in the unit
Compartment load, compartment electric braking maximum value available and the cabin air braking maximum value available in other compartments of unit, and collect meter
Calculate the unit load, unit electric braking maximum value available and unit air damping maximum value available of this traction unit；
S3：Traction unit where each carriage brake control unit sends this compartment by signal transfer unit between the unit
Unit load, unit electric braking maximum value available and unit air damping maximum value available to other traction units, each compartment
Brak control unit receives the unit load of other traction units, unit electric braking most by signal transfer unit between the unit
Big usable levels and unit air damping maximum value available to other traction units, each carriage brake control unit collect calculating track
Train load, train electric braking maximum value available and the train air braking maximum value available of train；
S4：Each carriage brake control unit receives train braking by the braking instruction transfer unit and instructed, and calculates
The electric braking setting percentage and air damping setting percentage in this compartment；
S5：Each carriage brake control unit calculates the electric braking force application value and air damping power application value in this compartment.
The track train brake control method of the present invention, it is by setting each carriage brake control unit to receive train system
Dynamic instruction simultaneously calculates this compartment, this compartment place traction unit, the load of train, electric braking maximum value available and air system respectively
Dynamic maximum value available, and the electric braking force application value and air damping power application value in each compartment is finally calculated, when certain compartment
When brak control unit breaks down, the unit electric braking maximum value available of traction unit and unit air damping where this compartment
Maximum value available changes therewith, while train electric braking maximum value available and train air the braking maximum of track train can
Also changed with value, then recalculate and draw each compartment electric braking force application value and air damping power application value, avoid
Head car brak control unit or end car brak control unit break down and cause track train brake fade in the prior art
Technical problem, improve the insensitivity of track train braking control system, and further increase the row of track train
Sail security.
It should be noted that in step S2, the unit load of traction unit where each compartment is all in this traction unit
The compartment load sum in compartment, i.e., the unit load calculation formula of traction unit is where each compartment：Mj=Σ Mji；Each compartment institute
In the compartment electric braking maximum value available that the unit electric braking maximum value available of traction unit is all compartments in this traction unit
Sum, i.e., the unit electric braking maximum value available calculation formula of traction unit is where each compartment：EDj=Σ EDji；Each compartment institute
Braking maximum in the unit air damping maximum value available of traction unit for the cabin air in all compartments in this traction unit can
With value sum, i.e., the unit air damping maximum value available calculation formula of traction unit is where each compartment：EPj=Σ EPji。
In above formula, MjFor the unit load of jth traction unit, MjiFor the compartment load in the compartment of jth traction unit i-th, EDj
For the unit electric braking maximum value available of jth traction unit, EDjiCan for the compartment electric braking maximum in the compartment of jth traction unit i-th
With value, EPjFor the unit air damping maximum value available of jth traction unit, EPjiIt is empty for the compartment in the compartment of jth traction unit i-th
Gas brakes maximum value available.
At present, multiple compartments in each traction unit of track train are divided into motor train compartment and trailer body, wherein, move
Car compartment can realize electric braking and air damping, and air damping, therefore, the car electrical system of trailer body only can be achieved in trailer body
Dynamic maximum value available EDji=0.
Further, each cabin air braking maximum value available calculation formula is：EPji=Fji-EDji；Wherein, FjiFor jth
The compartment maximum in the compartment of traction unit i-th can use brake force.
Further, the compartment maximum in each compartment can be with brake force calculation formula：Fji=Mji*a；Wherein, a is train
Maximum deceleration, the value are constrained to wheel rail adhesion coefficient, by the carriage brake control unit in each compartment according to track train
Travel speed is calculated.
Preferably, in step S3, the train load of track train is the unit load sum of each traction unit, i.e. track
The train load calculation formula of train is：M=Σ Mj；The train electric braking maximum value available of track train is each traction unit
The train electric braking maximum value available calculation formula of unit electric braking maximum value available sum, i.e. track train is：ED=Σ
EDj；The train air braking maximum value available of track train is the unit air damping maximum value available sum of each traction unit,
I.e. track train train air braking maximum value available calculation formula be：EP=Σ EPj。
In above formula, M be track train train load, MjFor the unit load of jth traction unit, ED is track train
Train electric braking maximum value available, EDjFor the unit electric braking maximum value available of jth traction unit, EP is the row of track train
Car air damping maximum value available, EPjFor the unit air damping maximum value available of jth traction unit.
Preferably, in step S4, work as Fn≤ΣEDjWhen, wherein, FnFor the braking force of train requirements of track train, i.e.,
The electric braking force maximum value available sum of each traction unit disclosure satisfy that the braking force of train demand of track train, only need to open electricity
Brake unit can meet the brake request of track train, then the compartment electric braking in each compartment set percentage calculation formula as：
X%=Fn/ΣEDj* 100%, each cabin air braking setting percentage y%=0.
Further, F is worked asn＞ Σ EDjWhen, i.e., the electric braking force maximum value available sum of each traction unit can not meet rail
The braking force of train demand of road train, now not only need to open electric braking unit, and need to open air brake units
The brake request of track train can be met, then each compartment electric braking setting percentage x%=1, each cabin air braking setting hundred
Divide than calculation formula and be：Y%=(Fn-ΣEDj)/ΣEPj* 100%.
It should be noted that the braking force of train requirements calculation formula of track train is：Fn=M*an；Wherein, M is rail
The train load of road train, anFor track train demand deceleration, by each carriage brake control unit according to track column speed
The braking instruction of degree and current orbit train is calculated.
Preferably, in step S5, the compartment electric braking force application value calculation formula in each compartment is：EDjin=x%*EDji；
The cabin air brake force application value calculation formula in each compartment is：EPjin=y%*EPji；In above formula, EDjinFor jth traction unit
The compartment electric braking force application value in the i-th compartment, EPjinFor the cabin air brake force application value in the compartment of jth traction unit i-th.
It should be noted that the because compartment electric braking maximum value available ED of trailer bodyji=0, therefore, trailer body
Compartment electric braking force application value EDjin=0.
Each carriage brake control unit is sent out after calculating the electric braking force application value and air damping power application value in this compartment
Deliver to the brake module in this compartment and control the braking maneuver of brake module.It should be noted that for motor train compartment, this compartment
Brake module include the traction unit of executable electric braking, and the air brake units of executable air damping；For dragging
Car compartment, the brake module in this compartment include air brake units.From the foregoing, it will be observed that the brak control unit of motor train compartment is by this car
The electric braking force application value and air damping power application value in railway carriage or compartment are sent to the brake control module in this compartment, and control this car respectively
The traction unit and air brake units in railway carriage or compartment perform braking maneuver；Trailer body sends the air damping power application value in this compartment
To this compartment brake module and control this compartment air brake units perform braking maneuver.
When signal transfer unit breaks down in the unit of track train braking control system of the present invention, the traction unit
Interior each compartment carries out bicycle level compound control mode of the prior art, i.e., each carriage brake control unit meter in the traction unit
Compartment load, compartment electric braking maximum value available and cabin air the braking maximum value available in this compartment are calculated, and according to brake finger
Order calculates the electric braking force application value and air damping power application value in each compartment in the traction unit；Other traction units Nei Geche
Railway carriage or compartment still according to track train brake control method of the present invention calculate each compartment in this traction unit electric braking force application value and
Air damping power application value, compared with the prior art, improves the stability of track train braking control system, and ensure that
Track train driving safety.
When signal transfer unit breaks down between the unit of track train braking control system of the present invention, each traction unit
Interior each compartment carries out cell level compound control mode of the prior art, i.e., each carriage brake control unit in each traction unit
Compartment load, compartment electric braking maximum value available and cabin air the braking maximum value available in this compartment are calculated, collects calculating originally
Unit load, unit electric braking maximum value available and the unit air damping maximum value available of traction unit, and according to brake finger
Order calculates the electric braking force application value and air damping power application value in each compartment in this traction unit, is further ensured that track train
The stability of braking control system, and ensure that track train driving safety.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (9)
- A kind of 1. track train braking control system, for controlling electric braking force application value and the air damping of the track train Power application value, the track train include multiple traction units, and the traction unit includes more piece compartment, it is characterised in that：Institute Stating track train braking control system includes：Brake control module：Compartment load, compartment electric braking maximum value available and cabin air for calculating each compartment are braked Maximum value available, and for calculating the unit load, unit electric braking maximum value available and unit air damping of each traction unit Maximum value available, and calculate train load, train electric braking maximum value available and train air the braking maximum of track train Usable levels, including the brak control unit being arranged in each compartment；Transfer module：Including：Braking instruction transfer unit：For train braking instruction to be transferred into each carriage brake control unit；Signal transfer unit in unit：Compartment load, compartment electric braking for transmitting each compartment in each traction unit is maximum Usable levels and cabin air braking maximum value available；Signal transfer unit between unit：For transmitting unit load, the unit electricity system of each traction unit between different traction units Dynamic maximum value available and unit air damping maximum value available.
- 2. a kind of track train brake control method, using track train brake control method as claimed in claim 1, it is used for The electric braking force value and air damping force value of the track train are controlled, the track train includes multiple traction units, described Traction unit includes multiple compartments, it is characterised in that：Comprise the following steps：S1：Each carriage brake control unit calculates the compartment load in this compartment, compartment electric braking maximum value available and cabin air Maximum value available is braked, and is sent to the brak control unit in other compartments of traction unit where this compartment；S2：The compartment load in other compartments of traction unit, compartment electric braking where each carriage brake control unit receives this compartment Maximum value available and cabin air braking maximum value available, and it is maximum to calculate the unit load of this traction unit, unit electric braking Usable levels and unit air damping maximum value available；S3：The unit load of traction unit, unit electric braking where each carriage brake control unit sends this compartment are maximum available Value and unit air damping maximum value available to other traction units, each carriage brake control unit receive other traction units Unit load, unit electric braking maximum value available and unit air damping maximum value available calculate rail to other traction units Train load, train electric braking maximum value available and the train air braking maximum value available of road train；S4：Each carriage brake control unit receives train braking instruction, and calculates the electric braking setting percentage and sky in this compartment Gas braking setting percentage；S5：Each carriage brake control unit calculates the electric braking force application value and air damping power application value in this compartment.
- 3. track train brake control method according to claim 2, it is characterised in that：In step S2, where each compartment The unit load calculation formula of traction unit is：Mj=Σ Mji；The unit electric braking maximum value available calculation formula of traction unit is where each compartment：EDj=Σ EDji；The unit air damping maximum value available calculation formula of traction unit is where each compartment：EPj=Σ EPji；Wherein, MjFor the unit load of jth traction unit, MjiFor the compartment load in the compartment of jth traction unit i-th, EDjLed for jth Draw the unit electric braking maximum value available of unit, EDjiFor the compartment electric braking maximum value available in the compartment of jth traction unit i-th, EPjFor the unit air damping maximum value available of jth traction unit, EPjiFor the cabin air system in the compartment of jth traction unit i-th Dynamic maximum value available.
- 4. track train brake control method according to claim 3, it is characterised in that：The cabin air braking in each compartment Maximum value available calculation formula is：EPji=Fji-EDji；Wherein, FjiCompartment maximum for the compartment of jth traction unit i-th can use brake force.
- 5. track train brake control method according to claim 4, it is characterised in that：The compartment in each compartment is maximum available Brake force calculation formula is：Fji=Mji*a；Wherein, a is the track train maximum deceleration that each carriage brake control unit is calculated.
- 6. track train brake control method according to claim 5, it is characterised in that：In step S3, track train Train load calculation formula is：M=Σ Mj；The train electric braking maximum value available calculation formula of track train is：ED=Σ EDj；The train air of track train brakes maximum value available calculation formula：EP=Σ EPj；Wherein, ED is train electric braking maximum value available, and EP is that train air brakes maximum value available.
- 7. track train brake control method according to claim 6, it is characterised in that：In step S4, if Fn≤ΣEDj, Then the electric braking in each compartment set percentage calculation formula as：X%=Fn/ΣEDj* 100%, the air damping setting in each compartment Percentage y%=0；If Fn＞ Σ EDj, then each compartment electric braking setting percentage x%=1, each compartment air damping setting percentages Calculating formula is：Y%=(Fn-ΣEDj)/ΣEPj* 100%；Wherein, FnFor the braking force of train requirements of track train.
- 8. track train brake control method according to claim 7, it is characterised in that：The braking force of train of track train Requirements calculation formula is：Fn=M*an；Wherein, anThe track train demand deceleration calculated for each carriage brake control unit.
- 9. track train brake control method according to claim 8, it is characterised in that：In step S5, the electricity in each compartment Brake force application value calculation formula is：EDjin=x%*EDji；The air damping power application value calculation formula in each compartment is：EPjin=y%*EPji；Wherein, EDjinFor the compartment electric braking force application value in the compartment of jth traction unit i-th, EPjinFor the car of jth traction unit i-th The cabin air brake force application value in railway carriage or compartment.
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| CN110949358A (en) * | 2019-12-13 | 2020-04-03 | 中车株洲电力机车有限公司 | Rail train braking control method and device |
| CN111516659A (en) * | 2018-10-30 | 2020-08-11 | 瑞立集团瑞安汽车零部件有限公司 | Braking force distribution method and system for trolley bus |
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