CN106337751A - Zero point position adaptive learning method and device of accelerator pedal - Google Patents
Zero point position adaptive learning method and device of accelerator pedal Download PDFInfo
- Publication number
- CN106337751A CN106337751A CN201610726950.1A CN201610726950A CN106337751A CN 106337751 A CN106337751 A CN 106337751A CN 201610726950 A CN201610726950 A CN 201610726950A CN 106337751 A CN106337751 A CN 106337751A
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- Prior art keywords
- pedal
- minima
- accelerator pedal
- aperture
- center position
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
- F02D41/2445—Methods of calibrating or learning characterised by the learning conditions characterised by a plurality of learning conditions or ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/106—Detection of demand or actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2474—Characteristics of sensors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a zero point position adaptive learning method and device of an accelerator pedal. The method comprises the steps that whether the accelerator pedal meets preset zero point position adaptive learning conditions or not is detected; if it is learned that the accelerator pedal meets the preset zero point position adaptive learning conditions through detection, according to a preset algorithm, the current pedal opening degree value of the accelerator pedal and the currently-stored minimum value of the pedal opening degree of the accelerator pedal are processed to acquire the newest minimum value of the pedal opening degree; and the currently-stored minimum value of the pedal opening degree is updated into the newest minimum value of the pedal opening degree. According to the method, adaptive learning is carried out on the zero point position of the accelerator pedal, the minimum value of the pedal opening degree is adjusted according to the current state of the accelerator pedal, and vehicle traffic safety is protected.
Description
Technical field
The present invention relates to technical field of vehicle safety, more particularly, to a kind of accelerator pedal dead-center position adaptive learning method
And device.
Background technology
Accelerator pedal carries out power output also known as gas pedal, electromotor according to the aperture of accelerator pedal, accelerator pedal
Aperture is bigger, and the power output of electromotor is bigger.
However, when accelerator pedal receives the interference of external environment condition (as car mat stops, accelerator pedal is stuck, or drives
The person of sailing bend the throttle and non-release the accelerator pedal when starting vehicle) when, accelerator pedal can be led to cannot to recover
To the mechanical minima position of accelerator pedal, now the power output of electromotor still can be entered according to the opening value of current accelerator pedal
Row output, leads to accelerator pedal aperture expected from accelerator pedal opening ratio driver much bigger, is exaggerated driver to car load
Acceleration demand, lead to the driving of vehicle dangerous.
Content of the invention
The purpose of the present invention is intended at least solve to a certain extent one of above-mentioned technical problem.
For this reason, the first of the present invention purpose is to propose a kind of accelerator pedal dead-center position adaptive learning method, should
, by the adaptive learning of the dead-center position to accelerator pedal, the current state adjustment pedal aperture according to accelerator pedal is for method
Little value, protects the traffic safety of vehicle.
Second object of the present invention is to propose a kind of accelerator pedal dead-center position adaptive learning device.
For reaching above-mentioned purpose, the accelerator pedal dead-center position adaptive learning method of first aspect present invention embodiment, bag
Include:
Whether detection accelerator pedal meets default dead-center position adaptive learning condition；
If detection knows that described accelerator pedal meets described dead-center position adaptive learning condition, according to preset algorithm
Current pedal opening value to described accelerator pedal and currently stored pedal aperture minima carry out processing up-to-date the stepping on of acquisition
Plate aperture minima；
Described currently stored pedal aperture minima is updated to described up-to-date pedal aperture minima.
The accelerator pedal dead-center position adaptive learning method of the embodiment of the present invention, it is default whether detection accelerator pedal meets
Dead-center position adaptive learning condition, if detection know that accelerator pedal meets dead-center position adaptive learning condition, root
According to preset algorithm, the current pedal opening value of accelerator pedal and currently stored pedal aperture minima are carried out processing acquisition
New pedal aperture minima, and currently stored pedal aperture minima is updated to up-to-date pedal aperture minima.By
This, by the adaptive learning of the dead-center position to accelerator pedal, adjust pedal aperture minima according to practical situation, protect
The traffic safety of vehicle.
In addition, the accelerator pedal dead-center position adaptive learning method of the embodiment of the present invention, also there is the skill added as follows
Art feature:
In one embodiment of the invention, whether described detection accelerator pedal meets default dead-center position self adaptation
Habit condition, comprising:
Whether detection firing key is located on shelves；
If described firing key is located on shelves, whether detection accelerator pedal has limping fault；
If described accelerator pedal has limping fault it is determined that described accelerator pedal is unsatisfactory for default dead-center position certainly
Adaptive learning condition.
In one embodiment of the invention, methods described also includes:
If described accelerator pedal does not have limping fault, obtain the current pedal opening value of described accelerator pedal and work as
The pedal aperture minima of front storage；
Detect whether described current pedal opening value is less than described currently stored pedal aperture minima；
If described current pedal opening value is less than described currently stored pedal aperture minima it is determined that described acceleration
Pedal meets default dead-center position adaptive learning condition；
If described current pedal opening value is more than or equal to described currently stored pedal aperture minima it is determined that described
Accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.
In one embodiment of the invention, the described current pedal opening value according to preset algorithm to described accelerator pedal
Carry out processing with currently stored pedal aperture minima and obtain up-to-date pedal aperture minima, comprising:
Using following formula to the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima
Carry out processing and obtain up-to-date pedal aperture minima, wherein, described formula is:
The pedal aperture minima * 85.24%+ current pedal aperture of up-to-date pedal aperture minima=currently stored
Value * 4.76%.
In one embodiment of the invention, methods described also includes:
Power output is carried out according to the difference of described current pedal opening value and described up-to-date pedal aperture minima.
For reaching above-mentioned purpose, the accelerator pedal dead-center position adaptive learning device of second aspect present invention embodiment, bag
Include:
Detection module, for detecting whether accelerator pedal meets default dead-center position adaptive learning condition；
Processing module, for when detection knows that described accelerator pedal meets described dead-center position adaptive learning condition,
According to preset algorithm, the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima are processed
Obtain up-to-date pedal aperture minima；
Update module, for being updated to described up-to-date pedal aperture by described currently stored pedal aperture minima
Little value.
The accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, it is default whether detection accelerator pedal meets
Dead-center position adaptive learning condition, if detection know that accelerator pedal meets dead-center position adaptive learning condition, root
According to preset algorithm, the current pedal opening value of accelerator pedal and currently stored pedal aperture minima are carried out processing acquisition
New pedal aperture minima, and currently stored pedal aperture minima is updated to up-to-date pedal aperture minima.By
This, by the adaptive learning of the dead-center position to accelerator pedal, adjust pedal aperture minima according to practical situation, protect
The traffic safety of vehicle.
In addition, the accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, also there is the skill added as follows
Art feature:
In one embodiment of the invention, described detection module includes:
First detector unit, for detecting whether firing key is located on shelves；
Second detector unit, for when described firing key is located on shelves, whether detection accelerator pedal has limping event
Barrier；
First determining unit, for when described accelerator pedal has limping fault, determining that described accelerator pedal is unsatisfactory for
Default dead-center position adaptive learning condition.
In one embodiment of the invention, described detection module also includes:
Acquiring unit, for when described accelerator pedal does not have limping fault, obtain described accelerator pedal works as former riding
Plate opening value and currently stored pedal aperture minima；
3rd detector unit, for detecting whether described current pedal opening value is less than described currently stored pedal aperture
Minima；
Second determining unit, for being less than described currently stored pedal aperture minima in described current pedal opening value
When, determine that described accelerator pedal meets default dead-center position adaptive learning condition；
Described second determining unit is additionally operable to be more than or equal to described currently stored pedal in described current pedal opening value
During aperture minima, determine that described accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.
In one embodiment of the invention, described processing module is used for:
Using following formula to the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima
Carry out processing and obtain up-to-date pedal aperture minima, wherein, described formula is:
The pedal aperture minima * 85.24%+ current pedal aperture of up-to-date pedal aperture minima=currently stored
Value * 4.76%.
In one embodiment of the invention, described device also includes:
Output module, for entering according to the difference of described current pedal opening value and described up-to-date pedal aperture minima
Action edge exports.
The aspect that the present invention adds and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and easy to understand, wherein:
Fig. 1 is the flow chart of accelerator pedal dead-center position adaptive learning method according to an embodiment of the invention；
Fig. 2 is the power output with vehicle for the aperture of accelerator pedal of supplier according to an embodiment of the invention offer
The graph of a relation of voltage；
Fig. 3 is the flow chart of accelerator pedal dead-center position adaptive learning method in accordance with another embodiment of the present invention；
Fig. 4 is the structural representation of accelerator pedal dead-center position adaptive learning device according to an embodiment of the invention
Figure；
Fig. 5 is the structural representation of accelerator pedal dead-center position adaptive learning device in accordance with another embodiment of the present invention
Figure；
Fig. 6 is the structural representation of the accelerator pedal dead-center position adaptive learning device according to another embodiment of the present invention
Figure.And
Fig. 7 is the structural representation of the accelerator pedal dead-center position adaptive learning device according to a still further embodiment of the present invention
Figure.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings accelerator pedal dead-center position adaptive learning method and the device of the embodiment of the present invention are described.
Fig. 1 is the flow chart of accelerator pedal dead-center position adaptive learning method according to an embodiment of the invention, such as
Shown in Fig. 1, the method includes:
S110, whether detection accelerator pedal meets default dead-center position adaptive learning condition.
Generally, the power output positive correlation of the aperture of accelerator pedal and motor of vehicle, certain supplier as shown in Figure 2
The aperture of accelerator pedal providing understands, the aperture of accelerator pedal is bigger, vehicle with the graph of a relation of the power output voltage of vehicle
Power output bigger, the acceleration of vehicle is bigger；The aperture of accelerator pedal is less, and the power output of vehicle is less, vehicle
Acceleration is less.
And in actual applications, accelerator pedal may be disturbed by external environment condition, such as hindered by car mat
Make accelerator pedal cannot return to the aperture minima of accelerator pedal, now the power output of vehicle still can be according to working as preacceleration
The opening value of pedal is exported, and leads to accelerator pedal aperture expected from accelerator pedal opening ratio driver much bigger, amplifies
The acceleration demand to car load for the driver, the judgement of impact driver, the driving that may result in vehicle is dangerous.
In order to avoid the problems referred to above, the present invention proposes a kind of accelerator pedal dead-center position adaptive learning method, can pass through
Adaptive learning to the dead-center position of accelerator pedal, adjusts pedal aperture minima so that accelerator pedal according to practical situation
Aperture and power output meet the expection of driver, protect the traffic safety of vehicle.
Specifically, in actual implementation process, whether detection accelerator pedal meets default dead-center position adaptive learning
Condition.
Wherein it is desired to explanation, according to the difference of concrete application scene, the self adaptation of above-mentioned default dead-center position
Habit condition is different, thus detecting whether accelerator pedal meets default dead-center position adaptive learning condition and may include:
The first example: due in vehicle so that, in the normal driving process such as acc shelves, start shelves, driver is to accelerator pedal
Perception be relatively accurate, driver can pass through step on the accelerator, accurately meet the acceleration that it travels to vehicle
Demand.Or, when vehicle has limping fault, because the driving mode of vehicle is limited power driving mode, the driving of vehicle
Speed is relatively low, even if the aperture of accelerator pedal is reached very high, road speed is still very low.
Therefore, in this example, whether detection accelerator pedal meets default dead-center position adaptive learning condition, can wrap
Include:
Whether the firing key of detection vehicle is in, and whether driver's more difficult perception accelerator pedal is disturbed by external environment condition
On shelves, if firing key is not located on shelves, determine that accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.
If firing key be located on shelves, detection accelerator pedal whether there is limping fault, if accelerator pedal have lame
Row fault is it is determined that accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.If accelerator pedal does not have lame
Row fault is it is determined that accelerator pedal meets default dead-center position adaptive learning condition.
Second example: be more than or equal to currently stored pedal aperture minima in the current pedal opening value of accelerator pedal
When, driver can meet the demand of driver according to expected adjustment pedal aperture, the corresponding acceleration of pedal aperture it is not necessary to right
Accelerator pedal dead-center position is adjusted.
Therefore, in this example, whether detection accelerator pedal meets default dead-center position adaptive learning condition, can wrap
Include:
When accelerator pedal does not have limping fault, detect current accelerator pedal current pedal opening value with currently stored
Pedal aperture minima relation, open more than or equal to currently stored pedal in the current pedal opening value of current accelerator pedal
During degree minima, determine that accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.Working as in current accelerator pedal
When front running board opening value is less than currently stored pedal aperture minima, determine that accelerator pedal meets default dead-center position adaptive
Answer condition for study.
S120, if detection knows that accelerator pedal meets dead-center position adaptive learning condition, according to preset algorithm pair
The current pedal opening value of accelerator pedal and currently stored pedal aperture minima carry out processing the up-to-date pedal aperture of acquisition
Minima.
S130, currently stored pedal aperture minima is updated to up-to-date pedal aperture minima.
Specifically, if detection knows that accelerator pedal meets dead-center position adaptive learning condition, can be imputed according to pre-
Method is processed to the current pedal opening value of accelerator pedal and currently stored pedal aperture minima, obtains up-to-date pedal
Aperture minima, and currently stored pedal aperture minima is updated to up-to-date pedal aperture minima.
Wherein, currently stored pedal aperture minima generally 0 or the value being in [0,1], in the enforcement of the present invention
Example in, for the ease of realizing accelerator pedal dead-center position adaptive learning, on certain procedures ensure vehicle safety, above-mentioned work as
The pedal aperture minima of front storage, for the value slightly larger than 100% being stored in the eeprom of vehicle, can be such as
105%.
And in one embodiment of the invention, vehicle is according to current pedal opening value and up-to-date pedal aperture minima
Difference carry out power output, thus, minimum currently stored pedal aperture minima is being updated to up-to-date pedal aperture
During value, when vehicle ignition key can be made to be located on shelves, driver, when gently stepping on accelerator pedal, does not have larger power defeated
Go out, the aperture of accelerator pedal and power output meet the expection of driver it is ensured that the safety of vehicle.
It should be noted that according to the difference of concrete application demand, above-mentioned preset algorithm can be different, such as, can will work as
The pedal aperture minima of front storage, is multiplied by the value that corresponding coefficient obtains, is added, with current pedal opening value, the result obtaining
As up-to-date pedal aperture minima；
Such as, current pedal opening value can be multiplied by the value that corresponding coefficient obtains, with currently stored pedal aperture
Minima is added the result obtaining as up-to-date pedal aperture minima；
Again such as, currently stored pedal aperture minima can be multiplied by the value that corresponding coefficient obtains, and work as former riding
Plate opening value is multiplied by the value that corresponding coefficient obtains, and is added the result obtaining as up-to-date pedal aperture minima.
It should be noted that for the practicality increasing accelerator pedal dead-center position adaptive learning method of the present invention, protecting
The real-time update to currently stored pedal aperture minima for the card, above-mentioned is the cycle to accelerator pedal dead-center position adaptive learning
Property implement, such as can often 5ms calculate renewal once.
In sum, the accelerator pedal dead-center position adaptive learning method of the embodiment of the present invention, detects that accelerator pedal is
No meet default dead-center position adaptive learning condition, if detection know that accelerator pedal meets dead-center position adaptive learning
Condition, then according to preset algorithm to the current pedal opening value of accelerator pedal and currently stored pedal aperture minima at
Reason obtains up-to-date pedal aperture minima, and currently stored pedal aperture minima is updated to up-to-date pedal aperture
Little value.Thus, by the adaptive learning of the dead-center position to accelerator pedal, pedal aperture is adjusted according to practical situation minimum
Value, protects the traffic safety of vehicle.
Based on above example, further, in order to more clearly describe in above-mentioned steps s110, in accelerator pedal not
When there is limping fault, how to detect whether accelerator pedal meets default dead-center position adaptive learning condition, with reference to
Accompanying drawing 3 illustrates.
Fig. 3 is the flow chart of accelerator pedal dead-center position adaptive learning method in accordance with another embodiment of the present invention,
As shown in figure 3, the method includes:
S310, when accelerator pedal does not have limping fault, obtains the current pedal opening value of accelerator pedal and currently deposits
The pedal aperture minima of storage.
In one embodiment of the invention, the firing key in vehicle is located on shelves, and accelerator pedal does not have limping
During fault, car can be obtained according to can communication network by the vcu (vehicle control unit, entire car controller) of vehicle
The current pedal aperture that uploads of accelerator pedal sensor, and it is minimum to be stored in pedal aperture in the eeprom of vehicle
Value.
S320, whether detection current pedal opening value is less than currently stored pedal aperture minima.
S330, if current pedal opening value is less than currently stored pedal aperture minima it is determined that accelerator pedal is full
The default dead-center position adaptive learning condition of foot.
Specifically, whether detection current pedal aperture is less than currently stored aperture minima, if current pedal aperture
Value is less than the minima of the pedal aperture prestoring, then show that the aperture of accelerator pedal and power output may not meet driving
The expection of member, when the firing key of vehicle is located on shelves, driver gently steps on accelerator pedal, may will obtain larger power defeated
Going out, affect traffic safety, so that being adjusted to the minima of the pedal aperture prestoring, that is, determining that accelerator pedal is full
The default dead-center position adaptive learning condition of foot.
S340, according to preset algorithm to the current pedal opening value of accelerator pedal and currently stored pedal aperture minima
Carry out processing and obtain up-to-date pedal aperture minima.
S350, currently stored pedal aperture minima is updated to up-to-date pedal aperture minima.
For example, if current pedal opening value is 90%, currently stored pedal aperture minima is 105%, then
Determine that accelerator pedal meets default dead-center position adaptive learning condition, and then " up-to-date pedal aperture is can to pass through formula
The pedal aperture minima * 85.24%+ current pedal opening value * 4.76% of little value=currently stored ", obtains up-to-date pedal
Aperture minima is about 94%.
Further, currently stored pedal aperture minima is updated to up-to-date pedal aperture minima, will work as
The pedal aperture minima of front storage is updated to 94% so that when the firing key of vehicle is located on shelves, driver exists from 105%
Gently step on accelerator pedal on the basis of current pedal aperture, larger power output, the aperture of pedal of vehicles and power will not be obtained
Output more meets the expection of driver it is ensured that the safety of vehicle.
In sum, the accelerator pedal dead-center position adaptive learning method of the embodiment of the present invention, does not have in accelerator pedal
When having limping fault, obtain the current pedal opening value of accelerator pedal and currently stored pedal aperture minima, and detect and work as
Whether front running board opening value is less than currently stored pedal aperture minima, if current pedal opening value is less than currently stored
Pedal aperture minima is it is determined that accelerator pedal meets default dead-center position adaptive learning condition.Thus, can be by detection
Current pedal opening value and the magnitude relationship of currently stored pedal aperture minima, accurately determine whether accelerator pedal meets pre-
If dead-center position adaptive learning condition, improve the efficiency of the adaptive learning of the dead-center position to accelerator pedal, favorably
Traffic safety in protection vehicle.
In order to realize above-described embodiment, the invention allows for a kind of accelerator pedal dead-center position adaptive learning device,
Fig. 4 is the structural representation of accelerator pedal dead-center position adaptive learning device according to an embodiment of the invention.As Fig. 4 institute
Show, this device includes: detection module 10, processing module 20 and update module 30.
Wherein, detection module 10, for detecting whether accelerator pedal meets default dead-center position adaptive learning condition.
Wherein it is desired to explanation, according to the difference of concrete application scene, the self adaptation of above-mentioned default dead-center position
Habit condition is different, thus whether detection module 10 detection accelerator pedal meets default dead-center position adaptive learning condition and can wrap
Include:
The first example: due in vehicle so that, in the normal driving process such as acc shelves, start shelves, driver is to accelerator pedal
Perception be relatively accurate, driver can pass through step on the accelerator, accurately meet the acceleration that it travels to vehicle
Demand.Or, when vehicle has limping fault, because the driving mode of vehicle is limited power driving mode, the driving of vehicle
Speed is relatively low, even if the aperture of accelerator pedal is reached very high, road speed is still very low.
Therefore, in this example, whether detection accelerator pedal meets default dead-center position adaptive learning condition, can wrap
Include:
Fig. 5 is the structural representation of accelerator pedal dead-center position adaptive learning device in accordance with another embodiment of the present invention
Figure, as shown in figure 5, on the basis of as shown in Figure 4, detection module 10 mays include: the first detector unit 11, the second detector unit
12 and first determining unit 13.
First detector unit 11 detects whether the firing key of vehicle is in, and whether driver's more difficult perception accelerator pedal is subject to
The on shelves of the interference of external environment condition, if firing key is not located on shelves, determine that accelerator pedal is unsatisfactory for default dead-center position
Adaptive learning condition.
If firing key is located on shelves, whether the second detector unit 12 detection accelerator pedal has limping fault, if
Accelerator pedal has limping fault, and the first determining unit 13 then determines that accelerator pedal is unsatisfactory for default dead-center position self adaptation
Habit condition.If accelerator pedal does not have limping fault, the first determining unit 13 determines that accelerator pedal meets default zero point
Position adaptive learning condition.
Second example: be more than or equal to currently stored pedal aperture minima in the current pedal opening value of accelerator pedal
When, driver can meet the demand of driver according to expected adjustment pedal aperture, the corresponding acceleration of pedal aperture it is not necessary to right
Accelerator pedal dead-center position is adjusted.
Therefore, in this example, whether detection module 10 detection accelerator pedal meets default dead-center position self adaptation
Habit condition, it may include:
When accelerator pedal does not have limping fault, detection module 10 detects the current pedal opening value of current accelerator pedal
With the relation of currently stored pedal aperture minima, it is more than or equal in the current pedal opening value of current accelerator pedal and currently deposits
During the pedal aperture minima of storage, determine that accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.Add current
When the current pedal opening value of speed pedal is less than currently stored pedal aperture minima, determine that accelerator pedal meets default zero
Point position adaptive learning condition.
Processing module 20, for when detection knows that accelerator pedal meets dead-center position adaptive learning condition, according to pre-
Imputation method the current pedal opening value of accelerator pedal and currently stored pedal aperture minima are carried out processing obtain up-to-date
Pedal aperture minima.
In one embodiment of the invention, processing module 30 is using the up-to-date pedal aperture minima of formula=currently deposit
The pedal aperture minima * 85.24%+ current pedal opening value * 4.76% of storage, to the current pedal opening value of accelerator pedal and
Currently stored pedal aperture minima carries out processing the up-to-date pedal aperture minima of acquisition.
Update module 30, for being updated to up-to-date pedal aperture minima by currently stored pedal aperture minima.
Specifically, if detection module 10 detection knows that accelerator pedal meets dead-center position adaptive learning condition, process
Module 20 then can be entered to the current pedal opening value of accelerator pedal and currently stored pedal aperture minima according to preset algorithm
Row is processed, and obtains up-to-date pedal aperture minima, and currently stored pedal aperture minima is updated to by update module 30
New pedal aperture minima.
Further, Fig. 6 is the accelerator pedal dead-center position adaptive learning device according to another embodiment of the present invention
Structural representation, as shown in fig. 6, on the basis of as shown in Figure 4, this device may also include output module 40, for basis
Current pedal opening value carries out power output with the difference of up-to-date pedal aperture minima.
Thus, in update module 30, currently stored pedal aperture minima is updated to up-to-date pedal aperture minima
When, when vehicle ignition key can be made to be located on shelves, driver, when gently stepping on accelerator pedal, does not have larger power output,
The aperture of accelerator pedal and power output meet the expection of driver it is ensured that the safety of vehicle.
It should be noted that the aforementioned explanation to accelerator pedal dead-center position adaptive learning method embodiment, it is also suitable
With the accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, realize principle and be similar to, will not be described here.
In sum, the accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, detects that accelerator pedal is
No meet default dead-center position adaptive learning condition, if detection know that accelerator pedal meets dead-center position adaptive learning
Condition, then according to preset algorithm to the current pedal opening value of accelerator pedal and currently stored pedal aperture minima at
Reason obtains up-to-date pedal aperture minima, and currently stored pedal aperture minima is updated to up-to-date pedal aperture
Little value.Thus, by the adaptive learning of the dead-center position to accelerator pedal, pedal aperture is adjusted according to practical situation minimum
Value, protects the traffic safety of vehicle.
Based on above example, further, Fig. 7 is the accelerator pedal dead-center position according to a still further embodiment of the present invention
The structural representation of adaptive learning device, as shown in fig. 7, on the basis of as shown in Figure 4, detection module 10 may include acquisition
Unit 14, the 3rd detector unit 15 and the second determining unit 16.
Wherein, acquiring unit 14, for when accelerator pedal does not have limping fault, obtaining the current pedal of accelerator pedal
Opening value and currently stored pedal aperture minima.
3rd detector unit 15, whether minimum less than currently stored pedal aperture for detecting current pedal opening value
Value.
Second determining unit 16, for when current pedal opening value is less than currently stored pedal aperture minima, really
Determine accelerator pedal and meet default dead-center position adaptive learning condition.
Second determining unit 16 is additionally operable to be more than or equal to currently stored pedal aperture minima in current pedal opening value
When, determine that accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.
It should be noted that the aforementioned explanation to accelerator pedal dead-center position adaptive learning method embodiment, it is also suitable
With the accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, realize principle and be similar to, will not be described here.
In sum, the accelerator pedal dead-center position adaptive learning device of the embodiment of the present invention, does not have in accelerator pedal
When having limping fault, obtain the current pedal opening value of accelerator pedal and currently stored pedal aperture minima, and detect and work as
Whether front running board opening value is less than currently stored pedal aperture minima, if current pedal opening value is less than currently stored
Pedal aperture minima is it is determined that accelerator pedal meets default dead-center position adaptive learning condition.Thus, can be by detection
Current pedal opening value and the magnitude relationship of currently stored pedal aperture minima, accurately determine whether accelerator pedal meets pre-
If dead-center position adaptive learning condition, improve the efficiency of the adaptive learning of the dead-center position to accelerator pedal, favorably
Traffic safety in protection vehicle.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of accelerator pedal dead-center position adaptive learning method is it is characterised in that comprise the following steps:
Whether detection accelerator pedal meets default dead-center position adaptive learning condition；
If detection knows that described accelerator pedal meets described dead-center position adaptive learning condition, according to preset algorithm to institute
State the current pedal opening value of accelerator pedal and currently stored pedal aperture minima carries out the up-to-date pedal of process acquisition and opens
Degree minima；
Described currently stored pedal aperture minima is updated to described up-to-date pedal aperture minima.
2. the method for claim 1 is it is characterised in that whether described detection accelerator pedal meets default dead-center position
Adaptive learning condition, comprising:
Whether detection firing key is located on shelves；
If described firing key is located on shelves, whether detection accelerator pedal has limping fault；
If described accelerator pedal has limping fault it is determined that described accelerator pedal is unsatisfactory for default dead-center position self adaptation
Condition for study.
3. method as claimed in claim 2 is it is characterised in that also include:
If described accelerator pedal does not have limping fault, obtain the current pedal opening value of described accelerator pedal and currently deposit
The pedal aperture minima of storage；
Detect whether described current pedal opening value is less than described currently stored pedal aperture minima；
If described current pedal opening value is less than described currently stored pedal aperture minima it is determined that described accelerator pedal
Meet default dead-center position adaptive learning condition；
If described current pedal opening value is more than or equal to described currently stored pedal aperture minima it is determined that described acceleration
Pedal is unsatisfactory for default dead-center position adaptive learning condition.
4. the method for claim 1 is it is characterised in that described work as former riding according to preset algorithm to described accelerator pedal
Plate opening value and currently stored pedal aperture minima carry out processing the up-to-date pedal aperture minima of acquisition, comprising:
Using following formula, the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima are carried out
Process and obtain up-to-date pedal aperture minima, wherein, described formula is:
The pedal aperture minima * 85.24%+ current pedal opening value * of up-to-date pedal aperture minima=currently stored
4.76%.
5. described method as arbitrary in claim 1-4 is it is characterised in that also include:
Power output is carried out according to the difference of described current pedal opening value and described up-to-date pedal aperture minima.
6. a kind of accelerator pedal dead-center position adaptive learning device is it is characterised in that include:
Detection module, for detecting whether accelerator pedal meets default dead-center position adaptive learning condition；
Processing module, for when detection knows that described accelerator pedal meets described dead-center position adaptive learning condition, according to
Preset algorithm carries out processing acquisition to the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima
Up-to-date pedal aperture minima；
Update module, minimum for described currently stored pedal aperture minima is updated to described up-to-date pedal aperture
Value.
7. device as claimed in claim 6 is it is characterised in that described detection module includes:
First detector unit, for detecting whether firing key is located on shelves；
Second detector unit, for when described firing key is located on shelves, whether detection accelerator pedal has limping fault；
First determining unit, for when described accelerator pedal has limping fault, determining that described accelerator pedal is unsatisfactory for presetting
Dead-center position adaptive learning condition.
8. device as claimed in claim 7 is it is characterised in that described detection module also includes:
Acquiring unit, for when described accelerator pedal does not have limping fault, the current pedal obtaining described accelerator pedal is opened
Angle value and currently stored pedal aperture minima；
3rd detector unit, whether minimum less than described currently stored pedal aperture for detecting described current pedal opening value
Value；
Second determining unit, for when described current pedal opening value is less than described currently stored pedal aperture minima,
Determine that described accelerator pedal meets default dead-center position adaptive learning condition；
Described second determining unit is additionally operable to be more than or equal to described currently stored pedal aperture in described current pedal opening value
During minima, determine that described accelerator pedal is unsatisfactory for default dead-center position adaptive learning condition.
9. device as claimed in claim 6 is it is characterised in that described processing module is used for:
Using following formula, the current pedal opening value of described accelerator pedal and currently stored pedal aperture minima are carried out
Process and obtain up-to-date pedal aperture minima, wherein, described formula is:
The pedal aperture minima * 85.24%+ current pedal opening value * of up-to-date pedal aperture minima=currently stored
4.76%.
10. described device as arbitrary in claim 6-9 is it is characterised in that also include:
Output module, for entering action according to the difference of described current pedal opening value and described up-to-date pedal aperture minima
Power exports.
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| CN108839559A (en) * | 2018-06-21 | 2018-11-20 | 北京新能源汽车股份有限公司 | A kind of accelerator pedal dead-center position adaptive learning method, device and vehicle |
| CN109204152A (en) * | 2017-06-30 | 2019-01-15 | 长城汽车股份有限公司 | Automobile electric side pedal control method and system and automobile with system |
| CN109249912A (en) * | 2018-10-22 | 2019-01-22 | 天津智行瑞祥汽车科技有限公司 | A kind of vehicle accelerates and braking sensor initial position self-learning method |
| CN109291934A (en) * | 2017-07-24 | 2019-02-01 | 长城汽车股份有限公司 | Self-learning method, system and the vehicle of accelerator pedal minimum position |
| CN109664808A (en) * | 2017-10-16 | 2019-04-23 | 上汽通用汽车有限公司 | Foot-rest pedal automatic regulating system and method and the vehicle for installing the system |
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| CN110040085A (en) * | 2019-04-30 | 2019-07-23 | 东风航盛（武汉）汽车控制系统有限公司 | Electromobile pedal aperture failure automatic processing method |
| CN111114312A (en) * | 2019-11-28 | 2020-05-08 | 中国航空工业集团公司西安航空计算技术研究所 | Dynamic calibration method for position of pedal of potentiometer accelerator |
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| CN112406818A (en) * | 2019-08-23 | 2021-02-26 | 比亚迪股份有限公司 | Method and device for obtaining initial braking opening degree of brake pedal and vehicle |
| CN112977059A (en) * | 2021-02-26 | 2021-06-18 | 三一汽车制造有限公司 | Failure processing method and device for pedal, vehicle and readable storage medium |
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| CN109664808A (en) * | 2017-10-16 | 2019-04-23 | 上汽通用汽车有限公司 | Foot-rest pedal automatic regulating system and method and the vehicle for installing the system |
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| CN109931174A (en) * | 2019-03-22 | 2019-06-25 | 江西江铃集团新能源汽车有限公司 | Accelerator pedal dead-center position adaptive learning method, device and automobile |
| CN109931174B (en) * | 2019-03-22 | 2021-10-26 | 江西江铃集团新能源汽车有限公司 | Self-adaptive learning method and device for zero position of accelerator pedal and automobile |
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| CN112406818A (en) * | 2019-08-23 | 2021-02-26 | 比亚迪股份有限公司 | Method and device for obtaining initial braking opening degree of brake pedal and vehicle |
| CN112406818B (en) * | 2019-08-23 | 2022-07-15 | 比亚迪股份有限公司 | Method and device for obtaining initial braking opening degree of brake pedal and vehicle |
| CN111114312A (en) * | 2019-11-28 | 2020-05-08 | 中国航空工业集团公司西安航空计算技术研究所 | Dynamic calibration method for position of pedal of potentiometer accelerator |
| CN111114312B (en) * | 2019-11-28 | 2021-06-04 | 中国航空工业集团公司西安航空计算技术研究所 | Dynamic calibration method for position of pedal of potentiometer accelerator |
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| CN112977059A (en) * | 2021-02-26 | 2021-06-18 | 三一汽车制造有限公司 | Failure processing method and device for pedal, vehicle and readable storage medium |
| CN114506211A (en) * | 2022-01-28 | 2022-05-17 | 重庆长安新能源汽车科技有限公司 | Acceleration pedal zero-opening self-learning method and device and automobile |
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