CN106274554A - A kind of idling driving force control method and device - Google Patents
A kind of idling driving force control method and device Download PDFInfo
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- CN106274554A CN106274554A CN201610815769.8A CN201610815769A CN106274554A CN 106274554 A CN106274554 A CN 106274554A CN 201610815769 A CN201610815769 A CN 201610815769A CN 106274554 A CN106274554 A CN 106274554A
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- depth
- brake pedal
- driving force
- torsion
- moment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/30—Parking brake position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The embodiment of the invention discloses a kind of idling driving force control method, for solving the problem that sustained idling driving force increases the loss of car load energy consumption car load brake unit.The method comprise the steps that the brake pedal depth signal obtaining current time；Determining that the brake pedal degree of depth lifts pattern according to brake pedal depth signal, and judge whether the brake pedal degree of depth corresponding to brake pedal depth signal is positioned at predetermined depth interval, predetermined depth interval is open interval；The most then according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force, the brake pedal degree of depth in predetermined depth interval with idling driving force negative correlation.The embodiment of the present invention additionally provides a kind of terminal, can effectively regulate idling driving force in default brake depth intervals, reduces the energy consumption that car load remains static, extends the service life of car load brake unit simultaneously.
Description
Technical field
The present invention relates to full-vehicle control field, particularly relate to a kind of idling driving force control method and device.
Background technology
Idling mode refers to a kind of working condition when motor dallies, and when motor rotation, steps on if loosening throttle completely
Plate, motor will be in idling mode.
In real life, motor idling should be avoided too high or too low as far as possible, if motor idling is too high, then can increase energy
The consumption of amount, makes the operating temperature of motor raise, thus adds the abrasion of speed motor, and there is also when speed-change and gearshift bigger
Impulsive sound is big to automobile infringement.
In general, under car load idling mode, driver can pass through the control for brake brake pedal degree of depth, and depends merely on machine
Tool brake force is offset with idling driving force, so that car load remains static.But, sustained idling driving force increases
Big car load energy consumption, also increases the loss of car load brake unit simultaneously.
Summary of the invention
Embodiments provide a kind of idling driving force control method and device, in default brake depth intervals
The interior idling driving force that can effectively regulate, the energy consumption that minimizing car load remains static, extend car load brake unit simultaneously
Service life.
In view of this, first aspect present invention provides a kind of idling driving force control method, it may include:
Obtain the brake pedal depth signal of current time；
Determine that the brake pedal degree of depth lifts pattern according to brake pedal depth signal, and judge brake pedal depth signal pair
Whether the brake pedal degree of depth answered is positioned at predetermined depth interval, and predetermined depth interval is open interval；
The most then according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force, brake pedal
The degree of depth in predetermined depth interval with idling driving force negative correlation.
In conjunction with the first aspect of the embodiment of the present invention, at the first embodiment of the first aspect of the embodiment of the present invention
In, the predetermined depth interval of the brake pedal degree of depth is 10% to 37.5%；
The torque range that idling driving force is corresponding is 50 to 0 Ns of rice；
The moment of torsion regulations speed that described idling driving force is corresponding is 2 Ns of rice of every millisecond of 0.01 N of rice to every millisecond.
In conjunction with the first embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention
In the second embodiment, determine that brake pedal degree of depth lifting trend includes according to brake pedal depth signal:
Obtain the history brake pedal degree of depth of the history object time of corresponding current time；
Compare the brake pedal degree of depth corresponding to brake pedal depth signal and the history brake pedal degree of depth；
If the brake pedal degree of depth is more than the history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is for raising mould
Formula；
If the brake pedal degree of depth is less than the history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is for reducing mould
Formula.
In conjunction with the second embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention
In the third embodiment, include according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force:
When brake pedal degree of depth lifting pattern is lift mode, determine correspondence according to the moment of torsion that idling driving force is corresponding
Moment of torsion reduces speed；
Reduce speed according to moment of torsion and the brake pedal degree of depth reduces idling driving force.
In conjunction with the third embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention
In 4th kind of embodiment, if moment of torsion corresponding to idling driving force is no more than 50 Ns rice and more than 5 Ns of rice, then moment of torsion reduces speed
Rate is every millisecond of 0.4 N of rice；
If the moment of torsion that idling driving force is corresponding is no more than 5 Ns rice, then moment of torsion reduces speed is every millisecond of 0.05 N of rice.
In conjunction with the second embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention
In 5th kind of embodiment, include according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force:
When brake pedal degree of depth lifting pattern is reduction pattern, determine correspondence according to the moment of torsion that idling driving force is corresponding
Moment of torsion improves speed；
Improve speed according to moment of torsion and the brake pedal degree of depth improves idling driving force.
In conjunction with the 5th kind of embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention
In 6th kind of embodiment, if moment of torsion corresponding to idling driving force is no more than 5 Ns rice, then moment of torsion improves speed and is every millisecond
0.05 N of rice；
If the moment of torsion that idling driving force is corresponding is more than 5 Ns of rice and no more than 10 Ns rice, then moment of torsion improves speed is every milli
0.1 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 10 Ns of rice and no more than 30 Ns rice, then moment of torsion improves speed is every milli
0.2 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 30 Ns of rice and no more than 50 Ns rice, then moment of torsion improves speed is every milli
0.3 N of rice of second.
Second aspect present invention provides a kind of idling drive force adjustment, it may include:
Acquisition module, for obtaining the brake pedal depth signal of current time；
Determining module, the brake pedal depth signal for obtaining according to acquisition module determines that the brake pedal degree of depth lifts mould
Formula；
Whether judge module, for judging the brake pedal degree of depth corresponding to brake pedal depth signal that acquisition module obtains
Being positioned at predetermined depth interval, predetermined depth interval is open interval；
Adjustment module, for when the brake pedal degree of depth is more than predetermined threshold value, then lifting pattern according to the brake pedal degree of depth
With brake pedal depth adjustment idling driving force, the brake pedal degree of depth in predetermined depth interval with idling driving force negative correlation.
In conjunction with the second aspect of the embodiment of the present invention, at the first embodiment of the second aspect of the embodiment of the present invention
In, the predetermined depth interval of the brake pedal degree of depth is 10% to 37.5%；
The torque range that idling driving force is corresponding is 50 to 0 Ns of rice；
The moment of torsion regulations speed that described idling driving force is corresponding is 2 Ns of rice of every millisecond of 0.01 N of rice to every millisecond.
In conjunction with the first embodiment of the second aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention
In the second embodiment, determine that module includes:
Acquiring unit, for obtaining the history brake pedal degree of depth of the history object time of corresponding current time；
Comparing unit, for going through of comparing that the brake pedal degree of depth corresponding to brake pedal depth signal and acquiring unit obtain
The history brake pedal degree of depth；
First determines unit, for when the brake pedal degree of depth is more than the history brake pedal degree of depth, it is determined that brake pedal
Degree of depth lifting pattern is lift mode；
Second determines unit, for when the brake pedal degree of depth is less than the history brake pedal degree of depth, it is determined that brake pedal is deep
Degree lifting pattern is reduction pattern.
In conjunction with the second embodiment of the second aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention
In the third embodiment, adjustment module includes:
3rd determines unit, for when brake pedal degree of depth lifting pattern is lift mode, according to idling driving force pair
The moment of torsion answered determines that the moment of torsion of correspondence reduces speed；
Reduce unit, for reducing speed and brake pedal degree of depth reduction idling driving force according to moment of torsion.
In conjunction with the third embodiment of the second aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention
In 4th kind of embodiment, if moment of torsion corresponding to idling driving force is no more than 50 Ns rice and more than 5 Ns of rice, then moment of torsion reduces speed
Rate is every millisecond of 0.4 N of rice；
If the moment of torsion that idling driving force is corresponding is no more than 5 Ns rice, then moment of torsion reduces speed is every millisecond of 0.05 N of rice.
In conjunction with the second embodiment of the second aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention
In 5th kind of embodiment, adjustment module includes:
4th determines unit, for when brake pedal degree of depth lifting pattern is reduction pattern, according to idling driving force pair
The moment of torsion answered determines that the moment of torsion of correspondence improves speed；
Improve unit, for improving speed and brake pedal degree of depth raising idling driving force according to moment of torsion.
In conjunction with the 5th kind of embodiment of the second aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention
In 6th kind of embodiment, if moment of torsion corresponding to idling driving force is no more than 5 Ns rice, then moment of torsion improves speed and is every millisecond
0.05 N of rice；
If the moment of torsion that idling driving force is corresponding is more than 5 Ns of rice and no more than 10 Ns rice, then moment of torsion improves speed is every milli
0.1 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 10 Ns of rice and no more than 30 Ns rice, then moment of torsion improves speed is every milli
0.2 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 30 Ns of rice and no more than 50 Ns rice, then moment of torsion improves speed is every milli
0.3 N of rice of second.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the present embodiment, can determine that the brake pedal degree of depth lifts by the brake pedal depth signal obtaining current time
Pattern and the brake pedal degree of depth, it is possible in the case of the brake pedal degree of depth is more than predetermined threshold value, according to the brake pedal degree of depth
Lifting pattern and brake pedal depth adjustment idling driving force, wherein, predetermined threshold value is the predetermined depth district of the brake pedal degree of depth
Between left end point, the brake pedal degree of depth and idling driving force negative correlation in predetermined depth interval, it follows that determine that brake is stepped on
After plate degree of depth lifting pattern, can dynamically be regulated the size of idling driving force, efficient solution by brake pedal depth signal
Certainly during auto idle speed, idling driving force continues the constant energy consumption problem caused, meanwhile, idling driving force and brake pedal
Degree of depth lifting pattern, the brake pedal degree of depth are corresponding, it is also possible to effectively solution brings owing to idling driving force is too high or too low
Relevant issues.
Accompanying drawing explanation
Fig. 1 is one embodiment schematic diagram of idling driving force control method in the embodiment of the present invention；
Fig. 2 is another embodiment schematic diagram of idling driving force control method in the embodiment of the present invention；
Fig. 3 is another embodiment schematic diagram of idling driving force control method in the embodiment of the present invention；
Fig. 4 is one embodiment schematic diagram of idling drive force adjustment in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of idling drive force adjustment in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of idling drive force adjustment in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of idling driving force control method and device, in default brake depth intervals
The interior idling driving force that can effectively regulate, the energy consumption that minimizing car load remains static, extend car load brake unit simultaneously
Service life.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd ", "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to the embodiments described herein can be with except here illustrating
Or the order enforcement beyond the content described.Additionally, term " includes " and " having " and their any deformation, it is intended that
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment need not limit
In those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Product or intrinsic other step of equipment or unit.
For ease of understanding, below the idling driving force control method in the embodiment of the present invention is carried out the most detailed retouching
Stating, refer to Fig. 1, in the embodiment of the present invention, one embodiment of idling driving force control method includes:
101, the brake pedal depth signal of current time is obtained；
In the present embodiment, automobile can be provided with such as brake pedal sensor and electric machine controller in brake control system
Brake pedal depth value, wherein, brake pedal sensor can detect the degree of depth of brake pedal and export brake pedal depth signal
To electric machine controller, electric machine controller then can receive this brake pedal depth signal, it is possible to according to this brake pedal degree of depth
Signal is braked the degree of depth accordingly.
Concrete, automobile, during travelling, when running into red light, is turned or time the situation such as deceleration takes brake to control,
Automobile can obtain this car brake pedal depth signal at current time in real time by such as electric machine controller.
It is understood that in actual applications, the acquisition mode of the deep pedal degree signal that brakes in the present embodiment is except upper
State bright content, it is also possible to be other, as (Controller Area Network controls general ability by the CAN at automobile
Territory network) the motoring condition information that reads in bus obtains, do not limit.
102, determine that the brake pedal degree of depth lifts pattern according to brake pedal depth signal；
Getting this car after the brake pedal depth signal of current time, the electric machine controller of this car can be according to brake
Tread depths signal determines the corresponding brake pedal degree of depth, it is possible to the history brake pedal degree of depth combining record determines that brake is stepped on
Plate degree of depth lifting pattern.
103, judge whether the brake pedal degree of depth corresponding to brake pedal depth signal is positioned at predetermined depth interval, if
No, then perform step 104, the most then perform step 105；
After determining brake pedal degree of depth lifting pattern, it can be determined that the brake pedal degree of depth that brake pedal depth signal is corresponding
Whether being positioned at predetermined depth interval, predetermined depth interval is open interval.
Concrete, in actual applications, predetermined depth interval can be set and carry out idling driving force regulation as automobile
Interval value, to judge whether to need to carry out idling driving force regulation, the car load driving experience good can meet driver as far as possible
While, car load energy consumption can be reduced within the specific limits.Wherein, the predetermined depth interval of the brake pedal degree of depth can be 10%
To 37.5%, i.e. judge whether the current brake pedal degree of depth is positioned at any value of the 10% to 37.5% of whole journey of stopping,
And do not include that 10% and 37.5% the two is stopped number of passes value.
It should be noted that the predetermined depth of the brake pedal degree of depth is interval except the scope of described above in the present embodiment,
In actual applications, it is also possible to be adjusted according to actual needs, meanwhile, predetermined depth interval can be carried out before automobile dispatches from the factory
Set, it is also possible to follow-up set accordingly, do not limit.
It is understood that the step 103 in the present embodiment can perform before step 102, it is also possible to perform together,
Specifically do not limit.
104, other flow process is performed；
If judging, the brake pedal degree of depth corresponding to brake pedal depth signal is not more than predetermined threshold value, then now this car is not
Need to carry out the regulation of idling driving force, then can not carry out other operation so that idling driving force can keep original value.
If it should be noted that step 103 performed before step 102, and judged result is for performing step 104, then walk
Rapid 102 can not also perform, to reduce the process load of this car.If i.e. meaning current brake pedal depth signal to be detected
The corresponding brake pedal degree of depth is more than or equal to the 37.5% of whole journey of stopping, or less than or equal to 10%, then need not into
The real-time regulation of row idling driving force,
105, according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force.
If judging, the brake pedal degree of depth corresponding to brake pedal depth signal is more than predetermined threshold value, then can be according to brake
Pedal lifting pattern and brake pedal depth adjustment idling driving force so that car load occur without idling drive hypodynamic before
Put, it is possible to reduce idling torque value as much as possible, extend the service life of car load brakes.Wherein, in predetermined depth district
The interior brake pedal degree of depth and idling driving force negative correlation.
Concrete, in actual applications, after determining brake pedal degree of depth lifting pattern, the regulation of idling driving force is only being stopped
Being adjusted in the predetermined depth interval of car tread depths, wherein, the predetermined depth interval of the brake pedal degree of depth can be 10%
To 37.5%, be whole the 10% to 37.5% of journey of stopping, then due in this predetermined depth interval idling driving force and its
Negative correlation, then the torque range that idling driving force is corresponding can be 50 to 0 Ns of rice, it is meant that when the 0 to 10% of whole journey of stopping,
The torque value that idling driving force is corresponding is 50 Ns of rice, when the 10% to 37.5% of whole journey of stopping, and the torsion that idling driving force is corresponding
Square value then can be defined as a numerical value corresponding for 50 to 0 Niu meter Zhong according to default calculation, whole journey of stopping 37.5% with
After, the torque value that idling driving force is corresponding is then 0.Wherein, in predetermined depth interval, each brake degree of depth of setting is permissible
A corresponding idling driving force, i.e. one corresponding moment of torsion, for example, it is assumed that the brake pedal degree of depth is 11%, idling driving force pair
The moment of torsion answered can be 48 Ns of rice, and the brake pedal degree of depth is 12%, and the moment of torsion that idling driving force is corresponding can be then 46 Ns of rice etc.,
And during according to brake pedal degree of depth lifting pattern and brake pedal depth adjustment idling driving force, idling driving force pair
The moment of torsion regulations speed answered can be 2 Ns of rice of every millisecond of 0.01 N of rice to every millisecond, i.e. can be according to the regulation speed in the range of this
Rate is by the most corresponding with a certain brake pedal degree of depth for moment of torsion regulation.
It should be noted that predetermined depth interval, torque range and regulations speed scope are except above-mentioned in the present embodiment
The content illustrated, in actual applications, it is also possible to be adjusted according to actual needs, meanwhile, torque range can go out at automobile
It is set before factory, it is also possible to follow-up set accordingly, does not limits.
In the present embodiment, by setting predetermined threshold value, it can be determined that according to current brake pedal depth signal judgement be
No needs carries out idling driving force regulation, however, it is determined that need to carry out idling driving force regulation, then can be in conjunction with according to brake pedal
The corresponding brake pedal degree of depth lifting pattern that signal determines, is adjusted idling driving force, efficiently solves the most constant
Idling driving force increase the problem of loss of car load energy consumption and car load brake unit.
It should be noted that in actual applications, the brake pedal degree of depth in the present embodiment can have different liftings to become
Gesture, i.e. the brake pedal degree of depth are in enlarging state, or the brake pedal degree of depth is in reduction state, and different lifting trends can be right
Operation accordingly should process, illustrate separately below:
Specifically referring to Fig. 2, in the embodiment of the present invention, another embodiment of idling driving force control method includes:
Step 201 in the present embodiment is identical with the step 101 in embodiment illustrated in fig. 1, and here is omitted.
202, the history brake pedal degree of depth of the history object time of corresponding current time is obtained；
Get this car after the brake pedal depth signal of current time, when can obtain the history target of current time
The history brake pedal degree of depth carved.
Concrete, the electric machine controller of automobile can record the brake pedal degree of depth in each moment, and history object time is then
Referring in the driving process of automobile, the history brake pedal degree of depth determines with the brake pedal depth signal according to current time
Brake pedal degree of depth moment when having any different, for example, it is assumed that the moment can be as accurate as the second, current time is 8: 15: 30,
If the brake pedal degree of depth does not has any change between 8: 15: 25 to 8: 15: 30, and 8: 15 24 seconds stop
Car tread depths is variant with the brake pedal degree of depth determined for 15 minutes 30 seconds at 8 o'clock, then the electric machine controller of automobile can obtain
Take the history brake pedal degree of depth that this car was at 8: 15: 24.It should be noted that moment degree of accuracy in the present embodiment and
Moment is merely illustrative of, and in actual applications, should process based on actual facilities, does not limits.
If it is understood that in one section of duration, the brake pedal degree of depth does not changes in the present embodiment, being i.e. always maintained at
In the same brake pedal degree of depth, then automobile idling driving force now can be corresponding with this brake pedal degree of depth.
203, the brake pedal degree of depth corresponding to brake pedal depth signal and the history brake pedal degree of depth are compared；
After obtaining history brake depth information, can be to the brake pedal degree of depth corresponding to brake pedal depth signal and history
The brake pedal degree of depth compares.
For example, it is assumed that to take the percentage ratio of whole journey of stopping to represent the brake pedal degree of depth, and percentage ratio and brake pedal
Degree of depth positive correlation, then electric machine controller can be by percentage ratio (such as 15%) corresponding for the current brake pedal degree of depth and history
Percentage ratio (such as 10%) corresponding to the brake pedal degree of depth compares.
If the 204 brake pedal degree of depth are more than the history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is for rising
Height mode；
In the present embodiment, if the brake pedal degree of depth is more than the history brake pedal degree of depth, then may determine that the brake pedal degree of depth
Lifting pattern is lift mode, i.e. brake pedal depth down, and this vehicle speed is in reducing trend.
205, judge whether the brake pedal degree of depth corresponding to brake pedal depth signal is positioned at predetermined depth interval, if
No, then perform step 206, the most then perform step 207；
Step 205 in the present embodiment is identical with the step 103 in embodiment illustrated in fig. 1 to step 104 to step 206,
Here is omitted.
It is understood that the step 205 in the present embodiment can perform before step 202 to step 204, it is also possible to
Perform together, do not limit.
If it should be noted that step 205 performed before step 202, and judged result is for performing step 206, then walk
Rapid 202 to step 204 can not also perform, to reduce the process load of this car.
207, when brake pedal degree of depth lifting pattern is lift mode, it is right to determine according to the moment of torsion that idling driving force is corresponding
The moment of torsion answered reduces speed；
It is lift mode when determining brake pedal degree of depth lifting pattern, and the brake pedal that brake pedal depth signal is corresponding
When the degree of depth is more than predetermined threshold value, then can obtain the idling driving force of current time, it is possible to corresponding according to this idling driving force
Moment of torsion determine correspondence moment of torsion reduce speed, so that when this car slows down, idling driving force can be adjusted.
In the present embodiment, the moment of torsion that idling driving force is corresponding reduces with corresponding moment of torsion following corresponding pass between speed
System:
If the moment of torsion that idling driving force is corresponding is no more than 50 Ns rice and is more than 5 Ns of rice, then moment of torsion reduces speed is every milli
0.4 N of rice of second；
If the moment of torsion that idling driving force is corresponding is no more than 5 Ns rice, then moment of torsion reduces speed is every millisecond of 0.05 N of rice.
It is understood that the moment of torsion that in the present embodiment, idling driving force is corresponding reduces between speed with corresponding moment of torsion
Corresponding relation is except the content of described above, in actual applications, it is also possible to be adjusted correspondingly as required, as according to vapour
The type of car is set, and does not limits.
208, reduce speed according to moment of torsion and the brake pedal degree of depth reduces idling driving force.
In the present embodiment, after determining that the moment of torsion of correspondence reduces speed according to the moment of torsion that idling driving force is corresponding, can basis
Moment of torsion reduces speed and the brake pedal degree of depth reduces idling driving force.
For example, it is assumed that moment of torsion corresponding to the idling driving force of current time is 30 Ns of rice, then now corresponding moment of torsion fall
Low rate is every millisecond of 0.4 N of rice, and if it is determined that the brake pedal degree of depth is whole journey of stopping 11%, then can be with every millisecond
Moment of torsion corresponding to the rate reduction idling driving force of 0.4 N of rice, to moment of torsion corresponding during the brake pedal degree of depth 11%, i.e. reduces idle
Speed driving force.
Specifically referring to Fig. 3, in the embodiment of the present invention, another embodiment of idling driving force control method includes:
Step 301 in the present embodiment is identical with the step 201 in embodiment illustrated in fig. 2 to step 203 to step 303,
Here is omitted.
If the 304 brake pedal degree of depth are less than the history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is fall
Low mode.
In the present embodiment, if the brake pedal degree of depth is less than the history brake pedal degree of depth, then may determine that the brake pedal degree of depth
Lifting pattern is reduction pattern, i.e. the brake pedal degree of depth is gone up, and this vehicle speed is in improving trend.
305, judge whether the brake pedal degree of depth corresponding to brake pedal depth signal is positioned at predetermined depth interval, if
No, then perform step 306, the most then perform step 307；
Step 305 in the present embodiment is identical with the step 103 in embodiment illustrated in fig. 1 to step 104 to step 306,
Here is omitted.
It is understood that the step 305 in the present embodiment can perform before step 302 to step 304, it is also possible to
Perform together, do not limit.
If it should be noted that step 305 performed before step 302, and judged result is for performing step 306, then walk
Rapid 302 to step 304 can not also perform, to reduce the process load of this car.
307, when brake pedal degree of depth lifting pattern is reduction pattern, it is right to determine according to the moment of torsion that idling driving force is corresponding
The moment of torsion answered improves speed；
It is reduction pattern when determining brake pedal degree of depth lifting pattern, and the brake pedal that brake pedal depth signal is corresponding
When the degree of depth is more than predetermined threshold value, then can obtain the idling driving force of current time, it is possible to corresponding according to this idling driving force
Moment of torsion determine correspondence moment of torsion improve speed, with when this vehicle speed increase, idling driving force can be adjusted.
In the present embodiment, the moment of torsion that idling driving force is corresponding reduces with corresponding moment of torsion following corresponding pass between speed
System:
If the moment of torsion that idling driving force is corresponding is no more than 5 Ns rice, then moment of torsion improves speed is every millisecond of 0.05 N of rice；
If the moment of torsion that idling driving force is corresponding is more than 5 Ns of rice and no more than 10 Ns rice, then moment of torsion improves speed is every milli
0.1 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 10 Ns of rice and no more than 30 Ns rice, then moment of torsion improves speed is every milli
0.2 N of rice of second；
If the moment of torsion that idling driving force is corresponding is more than 30 Ns of rice and no more than 50 Ns rice, then moment of torsion improves speed is every milli
0.3 N of rice of second.
It is understood that the moment of torsion that in the present embodiment, idling driving force is corresponding improves between speed with corresponding moment of torsion
Corresponding relation is except the content of described above, in actual applications, it is also possible to be adjusted correspondingly as required, as according to vapour
The type of car is set, and does not limits.
308, improve speed according to moment of torsion and the brake pedal degree of depth improves idling driving force.
In the present embodiment, after determining that the moment of torsion of correspondence improves speed according to the moment of torsion that idling driving force is corresponding, can basis
Moment of torsion reduces speed and the brake pedal degree of depth improves idling driving force.
For example, it is assumed that moment of torsion corresponding to the idling driving force of current time is 20 Ns of rice, then now corresponding moment of torsion carries
Two-forty is every millisecond of 0.2 N of rice, and if it is determined that the brake pedal degree of depth is whole journey of stopping 35%, then can be with every millisecond
The speed of 0.2 N of rice improves moment of torsion corresponding to idling driving force to moment of torsion corresponding during the brake pedal degree of depth 11%, i.e. improves idle
Speed driving force.
Embodiment illustrated in fig. 2 and embodiment illustrated in fig. 3 are specifically described the brake-pedal of automobile degree of depth respectively and are increased or decreased
Time idling driving force regulative mode, different regulative modes is conducive to suiting the car load driving experience of driver, reaches simultaneously
Reduce the purpose in the service life of car load energy consumption and raising car load brake unit.
Above the idling driving force control method in the embodiment of the present invention is described, below to the embodiment of the present invention
In idling drive force adjustment be described, refer to Fig. 4, idling drive force adjustment one in the embodiment of the present invention
Embodiment includes:
Acquisition module 401, for obtaining the brake pedal depth signal of current time；
Determine module 402, determine brake pedal degree of depth liter for the brake pedal depth signal obtained according to acquisition module
Fall pattern；
Judge module 403, for judging the brake pedal degree of depth that brake pedal depth signal that acquisition module obtains is corresponding
Whether being positioned at predetermined depth interval, predetermined depth interval is open interval；
Adjustment module 404, for when the brake pedal degree of depth is more than predetermined threshold value, then lifting mould according to the brake pedal degree of depth
Formula and brake pedal depth adjustment idling driving force, predetermined threshold value is the left end point in the predetermined depth interval of the brake pedal degree of depth,
The brake pedal degree of depth and idling driving force negative correlation in predetermined depth interval.
In the present embodiment, by setting predetermined threshold value, it is judged that module 403 is corresponding by judging brake pedal depth signal
Whether the brake pedal degree of depth is more than predetermined threshold value, and then the need of carrying out idling driving force regulation, however, it is determined that need to carry out idle
Speed driving force regulation, then adjustment module 404 can be in conjunction with the corresponding brake determining that module 402 determines according to brake pedal signal
Tread depths lifting pattern, is adjusted idling driving force, efficiently solves sustained idling driving force and increases car load
The problem of the loss of energy consumption and car load brake unit.
Referring to Fig. 5, in the embodiment of the present invention, one embodiment of idling drive force adjustment includes:
Module 501 in the present embodiment is identical with the module 401 in embodiment illustrated in fig. 4, and module 502 is real with shown in Fig. 4
Executing the module 402 in example identical, module 503 is identical with the module 403 in embodiment illustrated in fig. 4, and module 504 is real with shown in Fig. 4
Execute the module 404 in example identical.
In the present embodiment, determine that module 502 may further include:
Acquiring unit 5021, for obtaining the history brake pedal degree of depth of the history object time of corresponding current time；
Comparing unit 5022, obtains for comparing the brake pedal degree of depth corresponding to brake pedal depth signal and acquiring unit
The history brake pedal degree of depth；
First determines unit 5023, for when the brake pedal degree of depth is more than the history brake pedal degree of depth, it is determined that brake
Tread depths lifting pattern is lift mode.
In the present embodiment, adjustment module 504 may further include:
3rd determines unit 5041, for when brake pedal degree of depth lifting pattern is lift mode, driving according to idling
Moment of torsion corresponding to power determines that the moment of torsion of correspondence reduces speed；
Reduce unit 5042, for reducing speed and brake pedal degree of depth reduction idling driving force according to moment of torsion.
Referring to Fig. 6, in the embodiment of the present invention, one embodiment of idling drive force adjustment includes:
Module 601 in the present embodiment is identical with the module 401 in embodiment illustrated in fig. 4, and module 602 is real with shown in Fig. 4
Executing the module 402 in example identical, module 603 is identical with the module 403 in embodiment illustrated in fig. 4, and module 604 is real with shown in Fig. 4
Execute the module 404 in example identical.
In the present embodiment, determine that module 602 may further include:
Acquiring unit 6021, for obtaining the history brake pedal degree of depth of the history object time of corresponding current time；
Comparing unit 6022, obtains for comparing the brake pedal degree of depth corresponding to brake pedal depth signal and acquiring unit
The history brake pedal degree of depth；
Second determines unit 6023, for when the brake pedal degree of depth is less than the history brake pedal degree of depth, it is determined that brake is stepped on
Plate degree of depth lifting pattern is reduction pattern.
In the present embodiment, adjustment module 604 may further include:
4th determines unit 6041, for when brake pedal degree of depth lifting pattern is reduction pattern, driving according to idling
Moment of torsion corresponding to power determines that the moment of torsion of correspondence improves speed；
Improve unit 6042, for improving speed and brake pedal degree of depth raising idling driving force according to moment of torsion.
Embodiment illustrated in fig. 5 and embodiment illustrated in fig. 6 are determined by module 502, adjustment module 504 respectively and determine mould
Functional unit in block 602, adjustment module 604, respectively illustrates idling when the brake-pedal of automobile degree of depth is increased or decreased and drives
The regulative mode of power, different regulative modes is conducive to suiting the car load driving experience of driver, reduces car load energy simultaneously
The purpose in the service life of consumption and raising car load brake unit.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (14)
1. an idling driving force control method, it is characterised in that including:
Obtain the brake pedal depth signal of current time；
Determine that the brake pedal degree of depth lifts pattern according to described brake pedal depth signal, and judge that the described brake pedal degree of depth is believed
Whether number corresponding brake pedal degree of depth is positioned at predetermined depth interval, and described predetermined depth interval is open interval；
The most then according to described brake pedal degree of depth lifting pattern and described brake pedal depth adjustment idling driving force, described
The brake pedal degree of depth in described predetermined depth interval with described idling driving force negative correlation.
Idling driving force control method the most according to claim 1, it is characterised in that presetting of the described brake pedal degree of depth
Depth intervals is 10% to 37.5%；
The torque range that described idling driving force is corresponding is 50 to 0 Ns of rice；
The moment of torsion regulations speed that described idling driving force is corresponding is 2 Ns of rice of every millisecond of 0.01 N of rice to every millisecond.
Idling driving force control method the most according to claim 2, it is characterised in that described deep according to described brake pedal
Degree signal determines that brake pedal degree of depth lifting trend includes:
Obtain the history brake pedal degree of depth of the history object time of corresponding described current time；
Compare the brake pedal degree of depth corresponding to described brake pedal depth signal and the described history brake pedal degree of depth；
If the described brake pedal degree of depth is more than the described history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is for rising
Height mode；
If the described brake pedal degree of depth is less than the described history brake pedal degree of depth, it is determined that brake pedal degree of depth lifting pattern is fall
Low mode.
Idling driving force control method the most according to claim 3, it is characterised in that described deep according to described brake pedal
Degree lifting pattern and described brake pedal depth adjustment idling driving force include:
When described brake pedal degree of depth lifting pattern is described lift mode, it is right to determine according to the moment of torsion that idling driving force is corresponding
The moment of torsion answered reduces speed；
Reduce speed according to described moment of torsion and the described brake pedal degree of depth reduces described idling driving force.
Idling driving force control method the most according to claim 4, it is characterised in that if described idling driving force is corresponding
Moment of torsion is no more than 50 Ns rice and is more than 5 Ns of rice, and it is every millisecond of 0.4 N of rice that the most described moment of torsion reduces speed；
If the moment of torsion that described idling driving force is corresponding is no more than 5 Ns rice, it is 0.05 N every millisecond that the most described moment of torsion reduces speed
Rice.
Idling driving force control method the most according to claim 3, it is characterised in that described deep according to described brake pedal
Degree lifting pattern and described brake pedal depth adjustment idling driving force include:
When described brake pedal degree of depth lifting pattern is described reduction pattern, it is right to determine according to the moment of torsion that idling driving force is corresponding
The moment of torsion answered improves speed；
Improve speed according to described moment of torsion and the described brake pedal degree of depth improves described idling driving force.
Idling driving force control method the most according to claim 6, it is characterised in that if described idling driving force is corresponding
Moment of torsion is no more than 5 Ns rice, and it is every millisecond of 0.05 N of rice that the most described moment of torsion improves speed；
If the moment of torsion that described idling driving force is corresponding is more than 5 Ns of rice and no more than 10 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.1 N of rice；
If the moment of torsion that described idling driving force is corresponding is more than 10 Ns of rice and no more than 30 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.2 N of rice；
If the moment of torsion that described idling driving force is corresponding is more than 30 Ns of rice and no more than 50 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.3 N of rice.
8. an idling drive force adjustment, it is characterised in that including:
Acquisition module, for obtaining the brake pedal depth signal of current time；
Determine module, determine brake pedal degree of depth liter for the described brake pedal depth signal obtained according to described acquisition module
Fall pattern；
Judge module, for judging the brake pedal degree of depth that described brake pedal depth signal that described acquisition module obtains is corresponding
Whether being positioned at predetermined depth interval, described predetermined depth interval is open interval；
Adjustment module, for when the described brake pedal degree of depth is more than described predetermined threshold value, then according to the described brake pedal degree of depth
Lifting pattern and described brake pedal depth adjustment idling driving force, the described brake pedal degree of depth is in described predetermined depth interval
With described idling driving force negative correlation.
Idling drive force adjustment the most according to claim 8, it is characterised in that presetting of the described brake pedal degree of depth
Depth intervals is 10% to 37.5%；
The torque range that described idling driving force is corresponding is 50 to 0 Ns of rice；
The moment of torsion regulations speed that described idling driving force is corresponding is 2 Ns of rice of every millisecond of 0.01 N of rice to every millisecond.
Idling drive force adjustment the most according to claim 9, it is characterised in that described determine that module includes:
Acquiring unit, for obtaining the history brake pedal degree of depth of the history object time of corresponding described current time；
The institute that comparing unit, the brake pedal degree of depth corresponding for relatively described brake pedal depth signal and acquiring unit obtain
State the history brake pedal degree of depth；
First determines unit, for when the described brake pedal degree of depth is more than the described history brake pedal degree of depth, it is determined that brake
Tread depths lifting pattern is lift mode；
Second determines unit, for when the described brake pedal degree of depth is less than the described history brake pedal degree of depth, it is determined that brake is stepped on
Plate degree of depth lifting pattern is reduction pattern.
11. idling drive force adjustment according to claim 10, it is characterised in that described adjustment module includes:
3rd determines unit, for when described brake pedal degree of depth lifting pattern is described lift mode, driving according to idling
Moment of torsion corresponding to power determines that the moment of torsion of correspondence reduces speed；
Reduce unit, for reducing speed and the described brake pedal degree of depth described idling driving force of reduction according to described moment of torsion.
12. idling drive force adjustment according to claim 11, it is characterised in that if described idling driving force is corresponding
Moment of torsion be no more than 50 Ns rice and more than 5 Ns of rice, it is every millisecond of 0.4 N of rice that the most described moment of torsion reduces speed；
If the moment of torsion that described idling driving force is corresponding is no more than 5 Ns rice, it is 0.05 N every millisecond that the most described moment of torsion reduces speed
Rice.
13. idling drive force adjustment according to claim 10, it is characterised in that described adjustment module includes:
4th determines unit, for when described brake pedal degree of depth lifting pattern is described reduction pattern, driving according to idling
Moment of torsion corresponding to power determines that the moment of torsion of correspondence improves speed；
Improve unit, for improving speed and the described brake pedal degree of depth described idling driving force of raising according to described moment of torsion.
14. idling drive force adjustment according to claim 13, it is characterised in that if described idling driving force is corresponding
Moment of torsion be no more than 5 Ns rice, the most described moment of torsion improve speed be every millisecond of 0.05 N of rice；
If the moment of torsion that described idling driving force is corresponding is more than 5 Ns of rice and no more than 10 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.1 N of rice；
If the moment of torsion that described idling driving force is corresponding is more than 10 Ns of rice and no more than 30 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.2 N of rice；
If the moment of torsion that described idling driving force is corresponding is more than 30 Ns of rice and no more than 50 Ns rice, the most described moment of torsion improves speed and is
Every millisecond of 0.3 N of rice.
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| CN106274554B (en) | 2019-02-15 |
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