CN107097767A - Method and apparatus for providing automobile braking deceleration - Google Patents
Method and apparatus for providing automobile braking deceleration Download PDFInfo
- Publication number
- CN107097767A CN107097767A CN201611199456.0A CN201611199456A CN107097767A CN 107097767 A CN107097767 A CN 107097767A CN 201611199456 A CN201611199456 A CN 201611199456A CN 107097767 A CN107097767 A CN 107097767A
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- Prior art keywords
- braking
- deceleration
- requirement
- brake
- vehicle
- Prior art date
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Classifications
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
-
- 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
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/04—Hill descent control
Abstract
It is used for the present invention relates to one kind in motor vehicle（1）The middle method for providing braking action, this method has the following steps：There is provided（S1）For the motor vehicle（1）Requirement braking deceleration explanation；Relatively activated with the braking deceleration of the requirement（S1）Vehicle brake（10）；It is determined that（S2）The motor vehicle（1）Actual vehicle deceleration；Difference between the braking deceleration and the actual vehicle deceleration of the requirement is relatively activated（S5、S7、S9、S11）One or more additional braking mechanisms.
Description
Technical field
Slow down the present invention relates to motor vehicle, and in particular for providing automobile braking（Bremsverzögerung）Arrange
Apply, by means of vehicle brake and additional braking mechanism（Bremsmechanismen）.
Background technology
Especially in commerial vehicle, first by recalling（Rücknahme）Gas pedal carries out expected braking deceleration,
This, which is recalled, takes internal combustion engine to towing operation in the case where drivetrain is closed（Schleppbetrieb）In.Here, motor vehicle
It is decelerated using by the braking deceleration caused by internal combustion engine, the braking deceleration is engaged in internal combustion engine by clutch
（eingekuppeltem）In the case of in the trailing moment of internal combustion engine obtain.If it is required that higher braking deceleration, then
Pilot control brake control device, such as brake pedal, to activate the vehicle brake that form is friction brake.The system
Dynamic manipulation device is intuitively manipulated in this wise by driver so that realize expected vehicle deceleration.
In the ideal case, actual vehicle deceleration corresponds to required braking deceleration, and is actually likely to occur
Deviate, in the case of these deviations, actual vehicle deceleration is less than required braking deceleration.This point for example can be in vehicle
The braking action of brake be for example deteriorated due to too strong load in the case of, in the case where loading capacity is too heavy, drive
Member in descending or in addition in the case of be such case.This is set so far, driver notes too small vehicle deceleration,
And cause additional braking action by means of the operating element that need to manipulate of active in the case of commerial vehicle or prophylactically grasp
Indulge the additional braking action.It for example can additionally use motor type braking mechanism.Therefore for example can be in turbine geometry
Exhaust back-pressure is improved in the case of reducing supercharging at the same time in the case that shape is variable or by means of waste gas turnover panel, so that interior
The load change loss of combustion engine（Ladungswechselverluste）Greatly improve and cause additional motor type braking action,
To aid in vehicle brake.It is so-called all to win brake（Jake-Brake）It is used as acting on for additional brake
Other motor type measure, this can all win brake and air bleeding valve is set at the end of compression travel（Auslassventile）Beat
Open.
The content of the invention
It is arranged according to the present invention it is a kind of it is according to claim 1 be used for provide automotive vehicle deceleration method and
A kind of device and a kind of motor vehicle according to independent claims arranged side by side.
Other design is recorded in the dependent claims.
A kind of method for being used to provide braking action in a motor vehicle is set according to first aspect, it has the following steps：
Explanation of-the offer for the braking deceleration of the requirement of the motor vehicle；
- the braking deceleration with the requirement relatively activates vehicle brake；
- determine the actual vehicle deceleration of the motor vehicle；
- the difference between the braking deceleration and the actual vehicle deceleration of the requirement relatively activates one or more attached
Plus braking mechanism.
Manipulation degree generally to brake control device is attached troops to a unit the vehicle deceleration of a determination, so that the driving of motor vehicle
Member can intuitively manipulate the brake control device, to cause the vehicle deceleration of a determination.Actual vehicle deceleration can be with
It is smaller than required braking deceleration for various reasons.For example, when vehicle brake provides quilt due to excessive load
The braking action of reduction, motor vehicle is travelled on descent run track, and during with high loading capacity etc., required braking deceleration is not
Vehicle deceleration can be converted into completely.In addition, the required braking deceleration at up-hill journey actually may be than passing through braking
It is higher that manipulation device is provided.
Therefore, the above method is set：It is automatically attached to provide by means of the additional brake mechanism unrelated with vehicle brake
Plus braking action, aid in vehicle brake so as to meeting demand corresponding.
The size of difference between desired braking deceleration and the vehicle deceleration of reality relatively can be applied or activated
One or more additional braking mechanisms, to balance the difference between these decelerations.It can provide by this way for carrying
For the global schema of total braking action, under total braking action, additional braking mechanism is connected with automatically meeting demand.Thus
Simplify operation；Driver must only operate unique braking maneuver element.Therefrom it is possible that operating mistake can be excluded simultaneously
The additional operating elements for activating additional braking mechanism can be cancelled.In addition, the global schema can also be by adding up these
Braking mechanism and very high braking deceleration is provided, just as these braking decelerations are for example required in an emergency situation.
In addition, the explanation for the braking deceleration of the requirement of the motor vehicle can be with brake control device manipulation degree
Relatively, determined especially in accordance with braking requirement characteristic curve.
It can set, the explanation for the braking deceleration of the requirement is related to the manipulation form of the brake control device
Ground is determined.
In particular, it is desirable to braking deceleration can relatively be improved with following situation, i.e. meet one in following condition
Or it is multiple：
- manipulation the degree when alternating, especially periodic are manipulated（Betätigungsmaß）Manipulation amplitude（Betä
tigungsamplitude）And/or frequency is manipulated on predetermined threshold value；
- manipulation the degree has the gradient on a predetermined gradient threshold value；
- duration of the brake control device is manipulated more than brake duration threshold value.
In addition, the actual vehicle deceleration can be obtained as car speed gradient or by means of deceleration sensor
Know.
It can set：One or the multiple additional braking mechanism includes one or many in following braking mechanism
Individual braking mechanism：
- engage the drivetrain and by making drive motor be run in thrust（Schubbetrieb）Middle operation；
The one or more customers of-activation, it is especially following at least one：Generator, compressor of air conditioner, diesel motor
Preheating device and/or radiator fan, and/or improve the power of oil pump or cooling medium pump；
The preheating device of-activation diesel motor；
- by improving exhaust back-pressure, especially by closure waste gas turnover panel or the supercharger adjuster by adjusting supercharging device
To improve load change loss；
- load change loss is improved by closing the throttling turnover panel in air inlet system；
- activation diesel motor can all win brake.
In particular, one or the multiple additional braking mechanism can be activated in the following order：
A) drivetrain is engaged and by making drive motor be run in thrust operation；
B) activate one or more customers, it is especially following at least one：Generator, compressor of air conditioner, diesel motor
Preheating device and/or radiator fan, and/or improve the power of oil pump or cooling medium pump；
C) preheating device of diesel motor is activated；By improving exhaust back-pressure, especially by closure waste gas turnover panel or by adjusting
The supercharger adjuster of whole supercharging device loses to improve load change；
D) load change loss is improved by closing the throttling turnover panel in air inlet system；
That e) activates diesel motor can all win brake.
According to an embodiment, when the manipulation of the brake control device is recalled completely, the gas pedal is manipulated,
Clutch is separated（ausgekuppelt）Or when carrying out the intervention of ABS/ESP systems, these additional braking mechanisms can be made complete
It is complete to remove activation.
In addition, the difference between required braking deceleration and the vehicle deceleration of reality can be notified by signal to the machine
The driver of motor-car, especially emergency it is approximate in the case of.
It can be surpassed according to an embodiment due to the difference between required braking deceleration and the vehicle deceleration of reality
Cross slow down difference threshold value when activation one determine braking mechanism and less than when remove activation, wherein, it is described slow down difference threshold value
Difference between required braking deceleration and the vehicle deceleration of reality is reduced and in required braking deceleration when reducing
Difference between actual vehicle deceleration is enhanced when improving, to realize sluggishness.
Brief description of the drawings
Then come to explain embodiment in detail with reference to the accompanying drawings.Wherein：
Fig. 1 shows the schematic diagram of the motor vehicle with drivetrain and brakes；
Fig. 2 shows the flow chart of the method for the braking deceleration for illustrating the requirement in the motor vehicle for transition diagram 1；And
Fig. 3 shows the chart in the region limited for the braking deceleration and actual vehicle deceleration introduced by requiring,
Additional braking mechanism is activated in these regions.
Embodiment
The schematic diagram of motor vehicle 1 is shown in Fig. 1, the motor vehicle has driver element 2（Drive motor）, the driver element
Coupled by drivetrain 3 with powered wheel 4.Drivetrain 3 includes clutch 5 and shift transmission 6, so that with
Load request and rate request relatively correspond to selected traveling level to adjust deceleration.Automatic change can also alternatively be combined
Fast device 6 sets converter clutch.
Driver element 2 can include internal combustion engine or Vidacare corp or be configured to preferably have internal combustion engine and electronic horse
The hybrid drive system reached.
Driver element 2 is corresponding to manipulation degree of such as form for the traveling manipulation device 12 of gas pedal（Gas pedal
Position state）To provide driving moment.When cancelling the manipulation of traveling manipulation device 12, driver element 2 can be adjusted in this wise so that
Trailing moment, namely retarding moment are delivered on powered wheel 4 by the driver element by drivetrain 3.
Other mechanical customer 7, such as generator, air-conditioning equipment, oil pump and similar dress can be coupled in drivetrain 3
Put, they can be selectively activated, to make drivetrain undertake additional customer retarding moment.
In addition brakes is provided with, the brakes has vehicle brake 10, the vehicle brake is configured to rub
It is disk brake or drum brake to wipe brake, such as form.Vehicle brake 10 is brake pedal directly with form
Brake control device 11 is coupled.Coupling between brake control device 11 and vehicle brake 10 is such so that braking behaviour
The manipulation degree of vertical device 11（The regulation distance of such as brake pedal）It is attached to the determination by vehicle brake 10
Braking deceleration.This, which is attached troops to a unit, to be carried out linearly or according to the characteristic curve being administered.Explanation on manipulating degree in addition may be used
To be notified to control unit 15.
Control unit 15 can also be realized additional for automatically providing in addition to the other function for motor control
Braking mechanism braking scheme.It is used to carry automatically it is readily apparent that control unit 15 can also only be arranged for realizing
For the braking scheme of additional braking mechanism.Alternatively, control unit 15 can be manipulated by higher level's control device, wherein,
The brake request of driver is allocated/coordinated conduct to such as lower component, i.e. vehicle brake, motor brake in principle, and mixed
Close in the case of driving and also have to electric generator brake（As known to so-called cooperation brake）Requirement.Can be in control for this
Performed in unit 15 processed just as the method by detailed explaination of the flow chart with reference to Fig. 2.
Know required braking deceleration first in step sl.Required braking deceleration is first and foremost filled by braking maneuver
11 manipulation degree is put to determine and can determine from default brake request curve as required vehicle braking deceleration.
In addition, required system slow down know the manipulation form it is contemplated that the brake control device 11.Especially
Ground can be inferred to from the manipulation form of the brake control device, if driver attempts to cause higher braking action.This
The situation of kind may have, when
- brake control device 11 is quickly manipulated, that is to say, that manipulated with high positive gradient, that is with pre- one
If gradient on Grads threshold is carried out；And/or
- the duration manipulated unusually exceedes brake duration threshold value long lasting for, that is to say, that duration,
And/or
- brake control device 11 is quickly alternately manipulated, that is to say, that driver's pump is moved（pumpt）, it is higher to build
Brake pressure when.
Any event in these events can identify that driver's view requires current inadequate braking deceleration
On raising braking action.The superelevation（Überhöhung）It can be determined in the form of correction value, the correction value is from behaviour
Obtained in the appropriate mathematic(al) manipulation of vertical degree.
The manipulation amplitude that can be alternatively manipulated by means of braking requirement characteristic appropriate respectively with a periodic and behaviour
Vertical frequency, manipulate the duration and manipulate gradient these manipulate one or more of form parameters and relatively provided for wanting
The skew system deceleration value that the system asked is slowed down, the skew system deceleration value is added to required vehicle braking deceleration, should
Vehicle braking deceleration is determined by vehicle brake characteristic curve corresponding to the instantaneous manipulation degree of brake control device 11.Replace
Ground is changed, braking requirement characteristic can also preset a correction factor, and the correction factor is from one or many in manipulation form parameter
It is individual it is middle determine and using the correction factor in multiple mode（multiplikativ）Or it is otherwise required to load
Vehicle braking deceleration.
According to the difference of the system architecture of presence, braking maneuver parameter is directed in higher level's ESP control devices or direct
It imported into motor control apparatus and is processed accordingly there.If ESP control devices are master control equipments, then at that
In determine the braking moment that need to be changed by motor controller.The motor system of maximum possible corresponding with corresponding motor operation state
Kinetic moment constantly feeds back to master control equipment from motor controller, therefore the requirement needs conversion not over maximum possible
Braking moment.
The system of one additional requirement dividually can also be provided by ESP or ABS control devices in a way known in addition
It is dynamic to slow down.If the situation, by the braking deceleration required by being drawn from the manipulation of brake control device 11 with passing through
Select maximum to determine maximum deceleration value as decision between default the drawn braking deceleration of ESP or ABS control devices
Property, require braking deceleration.But if there is no this control device complex, then motor controller can be corresponded to
Following embodiment is determined.
Unceasingly manipulate the vehicle brake corresponding to required braking deceleration in step sl, so as to cause with
The related braking action of required braking deceleration.
Unceasingly, actual vehicle deceleration is known in step s 2.Actual vehicle deceleration for example can be by car speed
Derived in monitoring.In particular, vehicle deceleration can be assumed to be negative car speed gradient, its ground that staggers from the time, outstanding
Drawn in difference between its detected car speed in each calculating cycle.Alternatively, it is also possible by means vehicle
In appropriate acceleration transducer measure the vehicle deceleration.
Actual vehicle deceleration is compared each other with required braking deceleration now in step s3.In detail
The difference between difference, especially required braking deceleration and actual vehicle deceleration is determined.
Next selecting for one or more braking mechanisms is described in detail according to the characteristic shown in Fig. 3, wherein,
Zone of dispersion herein shown can also be understood to the operation parameters that can continuously change, and can attach troops to a unit to these operation parameters
The braking mechanism gradually widened.
Examine in step s 4, whether the difference known exceedes the default difference threshold value B that slows downu1And required system
Whether dynamic slow down is more than the first braking deceleration threshold value Sbr1.If determined in step s 4, the difference is small can be neglected（Selection：
It is no）, that is, required braking deceleration substantially corresponds to actual vehicle and accelerated, then the braking of motor vehicle 1 is entrusted
To vehicle brake 10, the first additional brake mechanism being activated before being allowed in step S14, which is removed, to be activated and knock-ons to step
S1.This point corresponds to so-called dead band, in the dead band, is worked without others braking mechanism and vehicle brake makes us
Satisfactorily work.
If the difference known exceedes the default difference threshold value B that slows downu1（Selection：It is）, then institute is continued with step S5
State method.
The braking mechanism that activation first is added in step s 5.
Examine in step s 6, if
- required braking deceleration is more than the second braking deceleration threshold value Sbr2；And
Difference between-required braking deceleration and the vehicle deceleration of reality is more than second and slowed down difference threshold value Bu2。
If the situation（Selection：It is）, then the second additional brake mechanism can be activated in the step s 7 and with step
S8 continues methods described.Otherwise（Selection：It is no）The second additional brake mechanism being activated before being allowed in step s 16 removes activation
And knock-on to step S4.
Examine in step s 8, if
- required braking deceleration is more than the 3rd braking deceleration threshold value Sbr3；And
Difference between-required braking deceleration and the vehicle deceleration of reality is more than the 3rd and slowed down difference threshold value Bu3。
If the situation（Selection：It is）, then the 3rd additional brake mechanism can be activated in step s 9 and with step
S10 continues methods described.Otherwise（Selection：It is no）The 3rd additional brake mechanism being activated before being allowed in step S18, which is removed, to swash
Live and knock-on to step S6.
Examine in step slo, if
- required braking deceleration is more than the 4th braking deceleration threshold value Sbr4；And
Difference between-required braking deceleration and the vehicle deceleration of reality is more than the 4th and slowed down difference threshold value Bu4。
If the situation（Selection：It is）, then the 4th additional brake mechanism can be activated in step s 11 and with step
S10 continues methods described.Otherwise（Selection：It is no）The 3rd additional brake mechanism being activated before being allowed in step S20, which is removed, to swash
Live and knock-on to step S8.
As long as the first additional brake mechanism for example can be to be in sliding mode, by engaging the driving before motor vehicle
It is and by making drive motor 6 be run in thrust（Schubbetrieb）It is middle to run to carry out.It can alternatively or cumulatively swash
One or more of customer 7 living customer, so that acting on loading moment/retarding moment of raising in drivetrain 3.
Generator, compressor of air conditioner, plate heater or similar device for example can be activated as customer 7.
Can alternatively be additional to outside the first braking mechanism of activation notifies driver to reduce traveling level, or points out vehicle system
Required braking deceleration can not be converted into corresponding vehicle deceleration by dynamic device 10.In the case of automatic transmission, level is travelled
Accordingly can automatically or according to corresponding requirement it be reduced.
Second additional brake mechanism is preferably additional to outside the first additional brake mechanism activated and is activated.Second is attached
Plus braking mechanism can for example set the preheating device of activation diesel motor.Can be alternatively or cumulatively, as long as no knot
Close the first braking mechanism and enter the one or more customers 7 coupled in drivetrain of line activating, such as diesel motor situation
Under preheating device, compressor of air conditioner, oil pump or cooling medium pump（Raising manipulation）Or one or more electric consumption devices, it
The motor driver that is connected by generator or recovery type other retarding moment is caused in drivetrain.
3rd additional brake mechanism can set raising be configured to internal combustion engine drive motor load change loss.It is interior
The load change loss of combustion engine can be enhanced.This point not only can be by the measure on air inlet system side, and can be with
Realized by the measure on engine exhaust gas system side.This point for example can be by bringing up to exhaust-driven increasing by exhaust back-pressure
The variable turbine geometry of pressure device（variablen Turbinengeometrie）Corresponding site on or by closing
Waste gas turnover panel is closed to realize.Throttling turnover panel can be correspondingly closed in air inlet system, to reduce suction pipe pressure.
4th additional brake mechanism can be provided for influence the thermokinetics course of work measure, for example activate it is so-called
Brake can be all won, by it, is preferably additional to outside the braking mechanism being activated before and another retarding moment is passed through into internal combustion
Machine is loaded to drivetrain.
When recalling the manipulation of the brake control device 11 completely, these additional brake mechanism are deactivated completely.
In addition, passing through clutch 5 when carrying out gas pedal manipulation, drivetrain 3 in the case of partly brake activation manipulation device
During the ABS interventions for separating or activating in drive shaft 3/ESP interventions of clutch separation, motor type braking mechanism quilt can be made completely
Remove activation.
The method introduced is performed by periodic, so that these braking mechanisms are continuously relatively chosen with demand
Go out.
Use these braking mechanisms in this wise so that they balance actual vehicle decelerations and required braking deceleration it
Between difference so that driver substantially will not notice that ground, the manipulation of brake control device 11 causes expected directly perceived
Braking action.
Thus made every effort to holding identical braking action in particular, the braking action largely keep not by just as
The influence of the present load of the such interference parameter of street head fall and vehicle brake.
In order to avoided on static region transition part a braking mechanism in these braking mechanisms it is too fast each other with
With activation and remove activation, corresponding deceleration threshold value can provided with sluggishness（Hysterese）.The sluggishness for example can be in this wise
Realize so that corresponding difference threshold value of slowing down is enhanced or reduced the absolute value determined or relative value, according in calculating before
The deceleration difference known in cycle.This point can for example be realized in the following way, i.e. be subtracted when difference of slowing down declines
Speed difference threshold value and/or the difference between required braking deceleration and the vehicle deceleration of reality improve difference of slowing down when raising
Threshold value.
Claims (14)
1. in motor vehicle（1）The middle method for providing braking action, this method has the following steps：
- provide（S1）For the motor vehicle（1）Requirement braking deceleration explanation；
- the braking deceleration with the requirement is relatively activated（S1）Vehicle brake（10）；
- determine（S2）The motor vehicle（1）Actual vehicle deceleration；
- the difference between the braking deceleration and the actual vehicle deceleration of the requirement is relatively activated（S5、S7、S9、
S11）One or more additional braking mechanisms.
2. according to the method described in claim 1, wherein,
For the motor vehicle（1）Requirement braking deceleration explanation and brake control device（11）Manipulation degree it is related
Ground, is determined especially in accordance with braking requirement characteristic curve or especially in accordance with zone of dispersion.
3. method according to claim 2, wherein,
For the explanation and the brake control device of the braking deceleration of the requirement（11）Manipulation form relatively determine.
4. method according to claim 3, wherein,
The braking deceleration of the requirement is relatively enhanced with following situation, i.e. meet one or more of following condition bar
Part：
The manipulation amplitude and/or manipulation frequency of manipulation degree when-periodic is manipulated are on predetermined threshold value；
- manipulation the degree has the gradient on a predetermined gradient threshold value；
- manipulate the brake control device（11）Duration more than a brake duration threshold value.
5. method according to any one of claim 1 to 4, wherein,
The actual vehicle deceleration is learned as car speed gradient or by means of acceleration transducer.
6. method according to any one of claim 1 to 5, wherein,
One or the multiple additional braking mechanism includes one or more of following braking mechanism braking mechanism：
- engagement drivetrain（3）With by make drive motor thrust operation in run；
The one or more customers of-activation, it is especially following at least one：Generator, compressor of air conditioner, diesel motor
Preheating device and/or radiator fan, and/or improve the power of oil pump or cooling medium pump；
The preheating device of-activation diesel motor；
- by improving exhaust back-pressure, especially by closure waste gas turnover panel or the supercharger adjuster by adjusting supercharging device
To improve load change loss；
- load change loss is improved by closing the throttling turnover panel in air inlet system；
- activation diesel motor can all win brake.
7. method according to claim 6, wherein,
One or the multiple additional braking mechanism is activated in the following order：
A) drivetrain is engaged（3）With by make drive motor thrust operation in run；
B) activate one or more customers, it is especially following at least one：Generator, compressor of air conditioner, diesel motor
Preheating device and/or radiator fan, and/or improve the power of oil pump or cooling medium pump；
C) preheating device of diesel motor is activated；
D) by improving exhaust back-pressure, especially by closure waste gas turnover panel or the supercharger adjuster by adjusting supercharging device
To improve load change loss；
E) load change loss is improved by closing the throttling turnover panel in air inlet system；
That f) activates diesel motor can all win brake.
8. method according to any one of claim 1 to 7, wherein,
When the brake control device（11）Manipulation recalled completely, gas pedal（12）Be manipulated, clutch be separated or
When carrying out the intervention of ABS/ESP systems, the additional braking mechanism is set to remove activation completely.
9. method according to any one of claim 1 to 8, wherein,
Difference between the braking deceleration of the requirement and the actual vehicle deceleration is notified to the motor vehicle by signal（1）
Driver.
10. method according to any one of claim 1 to 9, wherein,
Threshold value is distinguished slowing down due to the difference between the braking deceleration of the requirement and the actual vehicle deceleration more than one
（Bu1、Bu2、Bu3、Bu4）When activation one determine braking mechanism and less than when remove activation, wherein, it is described slow down difference threshold value
（Bu1、Bu2、Bu3、Bu4）Difference between the braking deceleration and the actual vehicle deceleration of the requirement is reduced when reducing
And difference between the braking deceleration and the actual vehicle deceleration of the requirement is enhanced when improving, to realize late
It is stagnant.
11. in motor vehicle（1）The middle device that braking action is provided, wherein, described device is configured to：
- provide for the motor vehicle（1）Requirement braking deceleration explanation；
- the braking deceleration with the requirement relatively activates vehicle brake（10）；
- determine the motor vehicle（1）Actual vehicle deceleration；
- the difference between the braking deceleration and the actual vehicle deceleration of the requirement relatively activates one or more attached
Plus braking mechanism.
12. motor vehicle（1）, it includes：
- vehicle brake；
- be used to provide the part of additional braking mechanism；And
- device according to claim 11.
13. computer program, the computer program is arranged for performing basis when it is carried out in data processing equipment
All steps of method any one of claim 1 to 10.
14. machine readable storage medium, stores computer program according to claim 13 on the storage medium.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015226692.3 | 2015-12-23 | ||
| DE102015226692.3A DE102015226692A1 (en) | 2015-12-23 | 2015-12-23 | Method and device for providing a braking deceleration of a motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107097767A true CN107097767A (en) | 2017-08-29 |
| CN107097767B CN107097767B (en) | 2021-10-15 |
Family
ID=59010432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199456.0A Active CN107097767B (en) | 2015-12-23 | 2016-12-22 | Method and device for providing braking deceleration of a motor vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN107097767B (en) |
| DE (1) | DE102015226692A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112441001A (en) * | 2019-08-30 | 2021-03-05 | 华为技术有限公司 | Vehicle control method, related device and computer storage medium |
| CN112660085A (en) * | 2019-10-16 | 2021-04-16 | 罗伯特·博世有限公司 | Method and device for operating a motor vehicle, motor vehicle |
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| DE102006061421A1 (en) * | 2006-12-23 | 2008-07-03 | Daimler Ag | Brake force boosting method for brake pedal of motor vehicle, involves determining return path of brake pedal within preset return duration based on actuated brake pedal position, and comparing return path with return threshold value |
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| CN112441001A (en) * | 2019-08-30 | 2021-03-05 | 华为技术有限公司 | Vehicle control method, related device and computer storage medium |
| CN112441001B (en) * | 2019-08-30 | 2022-04-22 | 华为技术有限公司 | Vehicle control method, related device and computer storage medium |
| CN112660085A (en) * | 2019-10-16 | 2021-04-16 | 罗伯特·博世有限公司 | Method and device for operating a motor vehicle, motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015226692A1 (en) | 2017-06-29 |
| CN107097767B (en) | 2021-10-15 |
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