CN106938643B - A kind of throttle linkage braking method and throttle linkage braking system - Google Patents
A kind of throttle linkage braking method and throttle linkage braking system Download PDFInfo
- Publication number
- CN106938643B CN106938643B CN201710113657.2A CN201710113657A CN106938643B CN 106938643 B CN106938643 B CN 106938643B CN 201710113657 A CN201710113657 A CN 201710113657A CN 106938643 B CN106938643 B CN 106938643B
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- Prior art keywords
- accelerator pedal
- brake
- deceleration
- driver
- vehicle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of throttle linkage braking method and systems, including：Accelerator pedal aperture is detected, the rebound acceleration of accelerator pedal is obtained；When rebound acceleration is less than the 90% of rebound acceleration with all strength, the step of detecting accelerator pedal aperture is returned；When all one's effort that accelerator pedal rebound acceleration is greater than or equal to accelerator pedal springs back the 90% of acceleration, then grip value of the driver to steering wheel is obtained；Judge whether grip value is more than conventional steering wheel grip value, if it has not, the step of returning to detection accelerator pedal aperture；If it has, then sending pre- brake signal to brake apparatus；Brake apparatus receives pre- brake signal, is braked to vehicle according to pre- brake signal.The above method can be braked prior to the brake operating of driver's brake pedal, and miss brake operating caused by avoiding the impatient lift accelerator pedal of driver habit, additionally it is possible to promote driving experience.
Description
Technical field
The present invention relates to technical field of vehicle control, more specifically to a kind of throttle linkage braking method.In addition,
The invention further relates to a kind of systems for realizing above-mentioned throttle linkage braking method.
Background technology
The braking system of vehicle is one of important control system of vehicle, and the development of vehicle control braking technology determines
The technical merit of vehicle.
The braking system of vehicle in the prior art includes skidding, hand brake etc., in conventional situation, works as driver
An emergency situation is encountered, usually rapidly loosens the right crus of diaphragm stepped down on throttle, recycling while shifting to brake pedal, and by brake pedal
It steps on, after brake pedal is stepped on, speed can just reduce, and speed keeps original speed substantially in the process, that is to say, that system
Dynamic operation can not be found to react in time when emergency by driver, and there are the possibility of operational delays, to the row of vehicle
It sails safety and causes great threat.
It is that current those skilled in the art are urgently to be resolved hurrily in conclusion how to provide a kind of braking method accurately and timely
The problem of.
Invention content
In view of this, the object of the present invention is to provide a kind of throttle linkage braking method, what this method can be accurately and timely
Processing driving emergency, prior to brake operating, guarantee driving safety.
Include above-mentioned throttle linkage braking system it is a further object of the present invention to provide one kind.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of throttle linkage braking method, including：
S1, detection accelerator pedal aperture, obtain the rebound acceleration of the accelerator pedal；When the rebound acceleration is less than
With all strength rebound acceleration 90% when, return the detection accelerator pedal aperture the step of；Accelerate when the accelerator pedal is sprung back
When degree springs back the 90% of acceleration more than or equal to all one's effort of the accelerator pedal, then grip of the driver to steering wheel is obtained
Value；
S2, judge whether the grip value is more than conventional steering wheel grip value, if it has not, returning to the detection accelerator pedal
The step of aperture；If it has, then sending pre- brake signal to brake apparatus；
S3, the brake apparatus receive the pre- brake signal, are braked to vehicle according to the pre- brake signal.
Preferably, before driver is obtained in the S1 to the grip value of steering wheel, further include：
S11, it obtains driver and detaches foot action after accelerator pedal in the predetermined time；
S12, judge whether the foot action is to be driven to brake pedal shift action if it has, then executing the acquisition
The step of person of sailing is to the grip value of steering wheel, if it has not, the step of then returning to the detection accelerator pedal aperture.
Preferably, the pre- brake signal includes brake pressure value, and pre- brake signal is sent to brake apparatus in the S2
Before, further include：
S21, determine vehicle deceleration desired value according to the rebound acceleration, the size of the rebound acceleration with it is described
The size of deceleration desired value is directly proportional；
S22, detection current vehicle speed, judge whether current vehicle speed is greater than or equal to prefabricated motor-car speed, if it has, then according to institute
It states current vehicle speed and the deceleration desired value determines the braking deceleration angle value.
Preferably, after brake apparatus described in the S3 receives the pre- brake signal, further include：
S31, deceleration grade is determined according to the speed and the deceleration desired value, is carried out not according to the deceleration grade
Same braking prompt, wherein the braking prompt includes that tail-light flash for prompting, vehicle whistle prompt and light for vehicle are always on and carry
Show.
Preferably, it after brake apparatus described in the S3 brakes vehicle according to the pre- brake signal, also wraps
It includes：
The aperture of S32, the detection accelerator pedal；
S33, judge whether the aperture of the accelerator pedal increases, braking is released if it has, then being sent to brake apparatus
Signal；If it has not, the request for whether continuing to execute brake operating sent to driver, according to the feedback control system of the driver
Dynamic device carries out brake operating or stops brake operating.
A kind of throttle linkage braking system, including：
Accelerator pedal detection device for detecting accelerator pedal aperture, and obtains the rebound acceleration of the accelerator pedal；
When all one's effort that accelerator pedal rebound acceleration is greater than or equal to the accelerator pedal springs back the 90% of acceleration, to pressure
Sensor sends dynamometry and executes signal；
The pressure sensor being set on steering wheel for obtaining grip value of the driver to steering wheel, and is sent to control
Device processed；
Control device, the control device are used to, when the grip value is more than conventional steering wheel grip value, fill to braking
It sets and sends pre- brake signal；
Brake apparatus brakes vehicle for receiving the pre- brake signal, and according to the pre- brake signal.
Preferably, further include foot action acquisition device, the foot that the accelerator pedal is detached for obtaining driver is moved
Make, when the foot action is to brake pedal shift action, the foot action acquisition device is examined to the accelerator pedal
It surveys device and sends the signal for confirming and being braked in advance.
Preferably, the pressure sensor is set at the holding of the steering wheel, and positioned at the steering wheel casing
Lower section；
Alternatively, the pressure sensor is to be set to the button for corresponding to thumb position on the steering wheel.
Preferably, further include：
Deceleration grade determining device, for obtaining speed and deceleration desired value and determining deceleration grade, according to different
The deceleration grade carries out control deceleration grade suggestion device and carries out braking prompt；
Deceleration grade suggestion device in vehicle rear is set, the deceleration grade suggestion device include display screen, and/or
The warning light for being set to the LED light at wind shield glass wind shield edge, and/or being set at the vehicle mudguard.
Preferably, the deceleration grade suggestion device further includes the display device for being set to the vehicle both sides, the display
Device is used to show current vehicle speed and deceleration grade to both sides front vehicle.
Throttle linkage braking method provided by the present invention and system can during driver lifts accelerator pedal,
Detection by springing back acceleration to accelerator pedal is realized operates the acquisition and analysis that are intended to driver, can be prior to driver
The brake signal of brake pedal, and the analysis by being intended to operation avoid the impatient lift acceleration of driver habit and step on
Brake operating is missed caused by plate, additionally it is possible to promote driving experience.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of throttle linkage braking method specific embodiment one provided by the present invention；
Fig. 2 is a kind of flow chart of throttle linkage braking method specific embodiment two provided by the present invention；
Fig. 3 is a kind of flow chart of throttle linkage braking method specific embodiment three provided by the present invention；
Fig. 4 is a kind of flow chart of throttle linkage braking method specific embodiment four provided by the present invention；
Fig. 5 is a kind of system schematic of throttle linkage braking system provided by the present invention.
In Fig. 5：
1 be accelerator pedal detection device, 2 be pressure sensor, 3 in order to control device, 4 be brake apparatus, 5 be foot action
Acquisition device, 6 be deceleration grade determining device, 7 be deceleration grade suggestion device.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of throttle linkage braking method, and the processing driving that this method can be accurately and timely is tight
Anxious situation, prior to brake operating, guarantee driving safety.
It includes above-mentioned throttle linkage braking system that another core of the present invention, which is to provide a kind of,.
It is a kind of throttle linkage braking method specific embodiment one provided by the present invention to please refer to Fig.1 to Fig. 4, Fig. 1
Flow chart；Fig. 2 is a kind of flow chart of throttle linkage braking method specific embodiment two provided by the present invention；Fig. 3 is this hair
A kind of flow chart of bright provided throttle linkage braking method specific embodiment three；Fig. 4 is a kind of oil provided by the present invention
The flow chart of door linkage braking method specific embodiment four；Fig. 5 is a kind of throttle linkage braking system provided by the present invention
System schematic.
A kind of throttle linkage braking method provided by the present invention, includes the following steps：
S1, detection accelerator pedal aperture, obtain the rebound acceleration of accelerator pedal；It is sprung back with all strength when rebound acceleration is less than
Acceleration 90% when, return detection accelerator pedal aperture the step of；Accelerate when accelerator pedal rebound acceleration is greater than or equal to
When all one's effort of pedal springs back the 90% of acceleration, then grip value of the driver to steering wheel is obtained.
S2, judge whether grip value is more than conventional steering wheel grip value, if it has not, returning to the step of detection accelerator pedal aperture
Suddenly；If it has, then sending pre- brake signal to brake apparatus.
S3, brake apparatus receive pre- brake signal, are braked to vehicle according to pre- brake signal.
It should be noted that the accelerator pedal aperture in step S1 is the aperture that accelerator pedal is operated, for weighing
The use state of accelerator pedal.When the aperture of accelerator pedal reduces, i.e., the rebound acceleration of the accelerator pedal of acquisition refers to
When receiving oil condition, the acceleration for the position rebound that accelerator pedal is zero to aperture.
When rebound not by it is any it is outer in the case of the acceleration that generates be rebound acceleration with all strength, when rebound acceleration is more than
Or equal to all one's effort rebound acceleration 90% when, that is to say, that, can be with when rebound acceleration is approximately equal to rebound acceleration with all strength
Judge that driver's operation is intended to deceleration-operation or an emergency situation is encountered brakes, therefore subsequent step can be executed；
When springing back acceleration less than spring back acceleration with all strength 90%, it is possible to determine that vehicle is still in non-emergent state, therefore can
To return to the step of detecting accelerator pedal aperture, that is, return in previous step, when being sprung back so as to accelerator pedal next time, Neng Gouxun
Speed enters in processing state, or can also temporarily exit control flow.
It can be by sensor measurement, usually to the grip of steering wheel it should be noted that obtaining driver in step S1
In the case of, when being in an emergency, while lifting accelerator pedal, can also hold with a firm grip driver steering wheel simultaneously, sometimes also
Certain steering operation can be taken, the grip value by obtaining steering wheel can react the mode of operation of current driver's, so
It is sprung back for accelerator pedal in the method for reaction braking, needs the dynamics of holding with a firm grip for considering driver to steering wheel.
It should be noted that judging whether grip value is more than conventional steering wheel grip value in step S2, wherein conventional direction
Disk grip value can be preset constant value, grip value range etc., naturally it is also possible to by being held to the driver under normality
It holds steering wheel to be detected to obtain, for example, after vehicle start-up, you can to detect driver to steering wheel by sensor
Degree of holding with a firm grip, obtain degree section of holding with a firm grip under normality.
In above-mentioned steps, if grip value is less than conventional steering wheel grip value, detection accelerator pedal aperture is returned to
Step can quickly enter when being sprung back so as to accelerator pedal next time in processing state.If grip value is more than conventional steering wheel
Grip value then controls to brake apparatus and sends pre- brake signal, wherein pre- brake signal is not implemented by brake pedal operation
Brake signal, pre- brake signal includes the instruction braked to vehicle.
It should be noted that the priority of the pre- brake signal be less than brake pedal brake signal, can to vehicle into
Row braking, but after the brake signal of brake pedal exports, system cancels the operation of pre- brake signal automatically, is changed to brake signal
Operation, so as not to influence the active operation of driver.
It should be noted that in step S3, after the brake apparatus of vehicle receives pre- brake signal, according to pre- brake signal
Braking instruction vehicle is braked.
Wherein, mode of braking can be mechanical braking, can be either mechanical braking or be electric notor brake, electric notor
Reverse current is conveyed using to electric notor in braking, to provide the power that electric notor slows down reversion, vehicle can be made to be dropped
Speed, this mode of braking is safe and efficient, and saves the energy, avoids the damage to vehicle.
It is possible to further be judged by obtaining above-mentioned grip value variation tendency, i.e., in the above process, grip value
The variation held with a firm grip is presented, and variation tendency then can be determined that and be currently in emergency obviously in normal condition.
Throttle linkage braking method provided by the present invention can be during driver lifts accelerator pedal, by right
The acquisition and analysis that intention is operated to driver are realized in the detection that accelerator pedal springs back acceleration, and system can be stepped on prior to driver
The brake signal of dynamic pedal, and the analysis by being intended to operation, avoid the impatient lift accelerator pedal of driver habit and cause
Mistake brake operating, additionally it is possible to promote driving experience.
On the basis of above-described embodiment, it before obtaining driver in step sl to the grip value of steering wheel, also wraps
Include following steps：
Step S11, it obtains driver and detaches foot action after accelerator pedal in the predetermined time.
Step S12, judge whether foot action is to obtain driver if it has, then executing to brake pedal shift action
The step of to the grip value of steering wheel, if it has not, the step of then returning to detection accelerator pedal aperture.
It should be noted that obtaining the footwork of driver in the predetermined time after accelerator pedal rebound, typically encountering
When emergency, and then the right crus of diaphragm of driver can be stepped on after lifting accelerator pedal to brake pedal, to realize rapid braking.For
Prevent the erroneous judgement to driver intention, can before obtaining driver to the grip value of steering wheel detection step movement side
To, if moving direction be towards brake pedal movement, judge that driver's is intended to step on brake pedal, obtain drive again at this time
The person of sailing is to steering wheel grip value.If moving direction is not towards brake pedal position, or there is no mobile, then judgement driving at present
Member is not intended to brake, then can return to the step of detecting accelerator pedal aperture, so as to rapid when accelerator pedal is sprung back next time
Into state of a control.
The throttle linkage braking method that the present embodiment is provided can be by detecting the state of driver's right crus of diaphragm to driver
Operation intention be further analyzed, avoid driver behavior be accustomed to caused by judge by accident.
On the basis of above-described embodiment, the pre- brake signal in step S2 includes brake pressure value, in step S2 to
It is further comprising the steps of before brake apparatus sends pre- brake signal：
Step S21, vehicle deceleration desired value is determined according to rebound acceleration, springs back the size and deceleration mesh of acceleration
The size of scale value is directly proportional.
Step S22, current vehicle speed is detected, judges whether current vehicle speed is greater than or equal to prefabricated motor-car speed, if it has, then root
Brake pressure value is determined according to current vehicle speed and deceleration desired value.
It should be noted that pre- brake signal other than the instruction including brake operating, can also include being grasped to braking
Make the guidance of embodiment.
Wherein, according to rebound acceleration, to determine that vehicle deceleration desired value can will spring back acceleration direct in step S21
In the deceleration desired value of braking, deceleration desired value refers to that the speed reduction amount realized by braking is big for reaction, if returning
Bullet acceleration is big, then reduction of speed amount is big, if rebound acceleration is small, reduction of speed amount is small.The two can also be specific proportional so that
Deceleration desired value becomes the continuous and rebound relevant successive value of acceleration.
In step S22, prefabricated motor-car speed is that preset vehicle needs to carry out the speed of pre- brake operating, as safely
Speed, speed higher than the speed and when meeting above-mentioned accelerator pedal and the conditions such as rapidly springing back, braked, and otherwise, is not required to by vehicle
Carry out pre- brake operating.In step S22, when current vehicle speed is greater than or equal to prefabricated motor-car speed, then the pre- of vehicle braking is controlled
Brake signal includes determining braking deceleration angle value according to current vehicle speed and deceleration desired value.
On the basis of any one above-mentioned embodiment, after brake apparatus receives pre- brake signal in step S3, also
Include the following steps：
Step S31, deceleration grade is determined according to speed and deceleration desired value, different brakings is carried out according to deceleration grade
Prompt, wherein braking prompt includes that tail-light flash for prompting, vehicle whistle prompt and light for vehicle are always on prompt.
It should be noted that deceleration grade in actually driving a vehicle there is high importance to be different from braking first and step on
The brake operating of plate, pre- braking provided by the invention operate in case of emergency, has and is operated prior to driver
Feature, and may have different braking acceleration, at this time for traffic safety, need to remind front vehicle, to avoid rear
Vehicle is dodged not as good as causing safety accident.
Optionally, above-mentioned braking prompt can also be adjusted according to the characteristics of vehicle.
On the basis of any one above-mentioned embodiment, in step S3 brake apparatus according to pre- brake signal to vehicle into
It is further comprising the steps of after row braking：
Step S32, the aperture of accelerator pedal is detected.
Step S33, judge whether the aperture of accelerator pedal increases, braking is released if it has, then being sent to brake apparatus
Signal；If it has not, the request for whether continuing to execute brake operating sent to driver, is braked and filled according to the feedback control of driver
It sets and carries out brake operating or stopping brake operating.
It should be noted that by detecting whether brake pedal is stepped on, judges whether to continue to execute brake operating, embody
The priority of pre- brake operating is less than the brake operating of brake pedal.It should be noted that in view of pre- brake operating is also possible to
Because the operating habit of driver causes the judgement of mistake, confirming to driver is still needed, by driving
Whether member sends continues to execute the request of brake operating, according to the feedback control brake apparatus of driver carry out brake operating or
Stop brake operating.The scheme that the present embodiment is provided can again be examined for pre- brake operating, and maloperation is avoided to make
At braking, avoid with driver operate be intended to be not inconsistent.
In addition to the throttle linkage braking method that above-mentioned each embodiment is provided, the present invention also provides one kind for implementing
State the throttle linkage braking system of method disclosed in embodiment.The throttle linkage braking system, including：Accelerator pedal detection dress
Pressure sensor, control device and the brake apparatus set, being set on steering wheel.Referring to FIG. 5, Fig. 5 is provided by the present invention
A kind of throttle linkage braking system system schematic.
Accelerator pedal detection device obtains the rebound acceleration of accelerator pedal for detecting accelerator pedal aperture；When adding
When speed pedal rebound acceleration is greater than or equal to the 90% of all one's effort rebound acceleration of accelerator pedal, sends and survey to pressure sensor
Power executes signal, and accelerator pedal detection device is to be electrically connected or control signal to connect with pressure sensor.
The pressure sensor being set on steering wheel is sent to control for obtaining grip value of the driver to steering wheel
Device.Wherein, pressure sensor is electrically connected with control device.
Control device is used to, when grip value is more than conventional steering wheel grip value, pre- brake signal is sent to brake apparatus.
Control device is electrically connected or controls signal with brake apparatus and connect.
Brake apparatus brakes vehicle according to pre- brake signal for receiving pre- brake signal.
It should be noted that accelerator pedal detection device can be the detection dress trampled in structure being arranged in accelerator pedal
It sets, can be tachogenerator or infrared sensor etc..
The occupation mode for the throttle linkage braking system that the present embodiment is provided can refer to the tool of above method embodiment
Body describes.
On the basis of above-described embodiment, further include foot action acquisition device, acceleration is detached for obtaining driver
The foot action of pedal, when foot action is to brake pedal shift action, foot action acquisition device is examined to accelerator pedal
It surveys device and sends the signal for confirming and being braked in advance.
It should be noted that footwork acquisition device may include infrared sensor, photographic device, body-sensing device or its
He is used to act the device obtained.Footwork acquisition device is connect with above-mentioned control device, accelerator pedal detection device.
On the basis of any one above-mentioned embodiment, pressure sensor is set at the holding of steering wheel, and is located at
The lower section of steering wheel casing；Alternatively, pressure sensor is to be set to the button for corresponding to thumb position on steering wheel.
It should be noted that pressure sensor should be arranged at the holding of steering wheel, for example, steering wheel left and right ends,
Since the operating habit of driver is different, pressure sensor can be arranged to the arbitrary position for holding on the steering wheel, or
Moveable pressure sensor is arranged in person.In another reliable embodiment, pressure sensor can be arranged in steering wheel
The corresponding position of thumb, when to hold with a firm grip, the power of thumb can most be communicated to pressure sensor soon.
Optionally, the other positions in steering wheel can also be arranged in above-mentioned pressure sensor.
On the basis of any one above-mentioned embodiment, throttle linkage braking system further includes deceleration grade determining device
With deceleration grade suggestion device.
Deceleration grade determining device, for obtaining speed and deceleration desired value and determining deceleration grade, according to different
Deceleration grade carries out control deceleration grade suggestion device and carries out braking prompt.
Deceleration grade suggestion device is arranged at the rear portion of vehicle, and deceleration grade suggestion device includes display screen, and/or setting
LED light in wind shield glass wind shield edge, and/or the warning light that is set at vehicle mudguard.
It should be noted that above-mentioned deceleration grade determining device can device in order to control a part, or be individually control
The component of system, deceleration grade determining device can be connect with the control system of vehicle, above-mentioned control device.
Above-mentioned deceleration grade suggestion device can be other dresses for being used to prompt other than above-mentioned LED light, warning light
It sets.
On the basis of any one above-mentioned embodiment, deceleration grade suggestion device further includes being set to vehicle both sides
Display device, the display device are used to show current vehicle speed and deceleration grade to both sides front vehicle.Suggestion device can not only
Prompt front vehicle, additionally it is possible to prompt the vehicle of vehicle both sides.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Throttle linkage braking method provided by the present invention and system are described in detail above.It is used herein
Principle and implementation of the present invention are described for specific case, and the explanation of above example is only intended to help to understand this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection domain that profit requires.
Claims (10)
1. a kind of throttle linkage braking method, which is characterized in that including：
S1, detection accelerator pedal aperture, obtain the rebound acceleration of the accelerator pedal；When the rebound acceleration is less than with all strength
Spring back acceleration 90% when, return the detection accelerator pedal aperture the step of；When accelerator pedal rebound acceleration is big
In or equal to the accelerator pedal all one's effort rebound acceleration 90% when, then obtain grip value of the driver to steering wheel；
S2, judge whether the grip value is more than conventional steering wheel grip value, if it has not, returning to the detection accelerator pedal aperture
The step of；If it has, then sending pre- brake signal to brake apparatus；
S3, the brake apparatus receive the pre- brake signal, are braked to vehicle according to the pre- brake signal.
2. throttle linkage braking method according to claim 1, which is characterized in that obtain driver in the S1 to direction
Before the grip value of disk, further include：
S11, it obtains driver and detaches foot action after accelerator pedal in the predetermined time；
S12, judge whether the foot action is to brake pedal shift action, if it has, then executing the acquisition driver
The step of to the grip value of steering wheel, if it has not, the step of then returning to the detection accelerator pedal aperture.
3. throttle linkage braking method according to claim 2, which is characterized in that the pre- brake signal includes that braking is pressed
Force value further includes before sending pre- brake signal to brake apparatus in the S2：
S21, vehicle deceleration desired value, the size of the rebound acceleration and the deceleration are determined according to the rebound acceleration
The size for spending desired value is directly proportional；
S22, detection current vehicle speed, judge whether current vehicle speed is greater than or equal to prefabricated motor-car speed, if it has, then being worked as according to described
Preceding speed and the deceleration desired value determine the braking deceleration angle value.
4. throttle linkage braking method according to claim 3, which is characterized in that brake apparatus described in the S3 receives
After the pre- brake signal, further include：
S31, deceleration grade is determined according to the speed and the deceleration desired value, is carried out according to the deceleration grade different
Braking prompt, wherein the braking prompt includes that tail-light flash for prompting, vehicle whistle prompt and light for vehicle are always on prompt.
5. throttle linkage braking method according to claim 4, which is characterized in that brake apparatus described in the S3 according to
After the pre- brake signal brakes vehicle, further include：
The aperture of S32, the detection accelerator pedal；
S33, judge whether the aperture of the accelerator pedal increases, if it has, then sending the signal for releasing braking to brake apparatus；
If it has not, the request for whether continuing to execute brake operating sent to driver, is braked and filled according to the feedback control of the driver
It sets and carries out brake operating or stopping brake operating.
6. a kind of throttle linkage braking system, which is characterized in that including：
Accelerator pedal detection device for detecting accelerator pedal aperture, and obtains the rebound acceleration of the accelerator pedal；Work as institute
State accelerator pedal rebound acceleration be greater than or equal to the accelerator pedal all one's effort rebound acceleration 90% when, to pressure sensing
Device sends dynamometry and executes signal；
The pressure sensor being set on steering wheel for obtaining grip value of the driver to steering wheel, and is sent to control dress
It sets；
Control device, the control device are used to, when the grip value is more than conventional steering wheel grip value, send out to brake apparatus
Send pre- brake signal；
Brake apparatus brakes vehicle for receiving the pre- brake signal, and according to the pre- brake signal.
7. throttle linkage braking system according to claim 6, which is characterized in that further include foot action acquisition device,
The foot action that the accelerator pedal is detached for obtaining driver, when the foot action is to brake pedal shift action
When, the foot action acquisition device sends the signal for confirming and being braked in advance to the accelerator pedal detection device.
8. throttle linkage braking system according to claim 7, which is characterized in that the pressure sensor is set to described
At the holding of steering wheel, and positioned at the lower section of the steering wheel casing；
Alternatively, the pressure sensor is to be set to the button for corresponding to thumb position on the steering wheel.
9. throttle linkage braking system according to claim 8, which is characterized in that further include：
Deceleration grade determining device, for obtaining speed and deceleration desired value and determining deceleration grade, according to different
Deceleration grade carries out control deceleration grade suggestion device and carries out braking prompt；
Deceleration grade suggestion device in vehicle rear is set, and the deceleration grade suggestion device includes display screen, and/or setting
LED light in wind shield glass wind shield edge, and/or the warning light that is set at the vehicle mudguard.
10. throttle linkage braking system according to claim 9, which is characterized in that the deceleration grade suggestion device is also
Display device including being set to the vehicle both sides, the display device are used to show current vehicle speed to both sides front vehicle and subtract
Fast grade.
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| 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 |
| CN110658835B (en) * | 2019-09-19 | 2021-08-31 | 中国航空无线电电子研究所 | Unmanned aerial vehicle flight control method and system |
| CN110979023A (en) * | 2019-11-21 | 2020-04-10 | 摩登汽车有限公司 | Vehicle emergency braking control system and method based on energy recovery and electronic control braking |
| CN112026732B (en) * | 2020-08-20 | 2022-04-12 | 中国第一汽车股份有限公司 | Pre-supercharging control method and device, vehicle and storage medium |
| CN112606805B (en) * | 2020-12-17 | 2021-12-14 | 东风汽车集团有限公司 | Control method of automatic emergency braking system AEB of vehicle |
| CN112918447B (en) * | 2021-03-16 | 2022-06-03 | 东风汽车集团股份有限公司 | Control method and system for optimizing brake pedal stroke and storage medium |
| CN114228486A (en) * | 2021-11-30 | 2022-03-25 | 岚图汽车科技有限公司 | A kind of acceleration control method and device |
| CN115009012A (en) * | 2022-06-17 | 2022-09-06 | 一汽奔腾轿车有限公司 | Safety control method and system for preventing misuse of accelerator as brake |
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| US8027773B2 (en) * | 2007-08-10 | 2011-09-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Methods and systems for automated control of vehicle braking |
| CN101580061A (en) * | 2009-06-25 | 2009-11-18 | 浙江亚太机电股份有限公司 | Brake method capable of distinguishing brake intention of driver |
| CN201534528U (en) * | 2009-07-29 | 2010-07-28 | 比亚迪股份有限公司 | Rear-end collision pre-warning device for automobile |
| CN101885332B (en) * | 2010-06-22 | 2012-08-29 | 重庆长安汽车股份有限公司 | Brake auxiliary control method of automobile AT transmission |
| CN103434444A (en) * | 2013-08-26 | 2013-12-11 | 贾世忠 | Method for early intervention of brake warning lamplight |
| CN105034937B (en) * | 2015-06-24 | 2017-08-01 | 东北农业大学 | A kind of automobile intelligent braking early warning method and device |
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