CN106938643A - A kind of throttle linkage braking method and throttle linkage brakes - Google Patents
A kind of throttle linkage braking method and throttle linkage brakes Download PDFInfo
- Publication number
- CN106938643A CN106938643A CN201710113657.2A CN201710113657A CN106938643A CN 106938643 A CN106938643 A CN 106938643A CN 201710113657 A CN201710113657 A CN 201710113657A CN 106938643 A CN106938643 A CN 106938643A
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- China
- Prior art keywords
- brake
- accelerator pedal
- vehicle
- driver
- deceleration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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)
- Regulating Braking Force (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a kind of throttle linkage braking method and system, including：Accelerator pedal aperture is detected, the resilience acceleration of accelerator pedal is obtained；When resilience acceleration is less than the 90% of all one's effort resilience acceleration, the step of returning to detection accelerator pedal aperture；When accelerator pedal resilience acceleration is more than or equal to the 90% of all one's effort resilience acceleration of accelerator pedal, then grip value of the driver to steering wheel is obtained；Judge whether grip value exceedes 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, and vehicle is braked according to pre- brake signal.The above method can be braked prior to the brake operating of driver's brake pedal, and avoid the mistake brake operating that the impatient lift accelerator pedal of driver habit is caused, additionally it is possible to lift 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 system for realizing above-mentioned throttle linkage braking method.
Background technology
The brakes of vehicle is one of important control system of vehicle, and the development of wagon control braking technology is determined
The technical merit of vehicle.
The brakes of vehicle of the prior art includes skidding, hand brake etc., in conventional situation, works as driver
Emergency is run into, generally rapidly loosens the right crus of diaphragm stepped down on throttle, reclaims and shifts to brake pedal simultaneously, and by brake pedal
Step on, after brake pedal is stepped on, speed can just be reduced, 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 during emergency by driver, there is the possibility of operational delays, to the row of vehicle
Sail safety and cause great threat.
In summary, a kind of braking method accurately and timely how is provided, is that current those skilled in the art are urgently to be resolved hurrily
The problem of.
The content of the invention
In view of this, it is an object of the invention 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 brakes it is a further object of the present invention to provide one kind.
To achieve these goals, the present invention provides following technical scheme：
A kind of throttle linkage braking method, including：
S1, detection accelerator pedal aperture, obtain the resilience acceleration of the accelerator pedal；When the resilience acceleration is less than
All one's effort resilience acceleration 90% when, return it is described detection accelerator pedal aperture the step of；When the accelerator pedal resilience accelerates
When degree is more than or equal to the 90% of all one's effort resilience acceleration of the accelerator pedal, then grip of the driver to steering wheel is obtained
Value；
S2, judge whether the grip value exceedes 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, and vehicle is braked according to the pre- brake signal.
Preferably, before driver is obtained in the S1 to the grip value of steering wheel, also include：
S11, acquisition driver detach the foot action after brake pedal in the scheduled time；
S12, judge the foot action whether be to brake pedal shift action, if it has, then perform it is described acquisition drive
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 sending pre- brake signal to brake apparatus in brake pressure value, the S2
Before, also include：
S21, determine vehicle deceleration desired value according to the resilience acceleration, the size of the resilience 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 more than or equal to prefabricated motor-car speed, if it has, then according to institute
State 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, also include：
S31, deceleration grade determined according to the speed and the deceleration desired value, carried out not according to the deceleration grade
With braking prompting, wherein, it is described braking prompting include tail-light flash for prompting, vehicle blow a whistle point out and light for vehicle Chang Liangti
Show.
Preferably, after brake apparatus described in the S3 is braked according to the pre- brake signal to vehicle, also wrap
Include：
S32, the detection accelerator pedal aperture；
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 executing with brake operating is 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 brakes, including：
Accelerator pedal detection means, for detecting accelerator pedal aperture, and obtains the resilience acceleration of the accelerator pedal；
When the accelerator pedal resilience acceleration is more than or equal to the 90% of all one's effort resilience acceleration of the accelerator pedal, to pressure
Sensor sends dynamometry and performs signal；
The pressure sensor on steering wheel is arranged at, for obtaining grip value of the driver to steering wheel, and control is sent to
Device processed；
Control device, the control device is used to, when the grip value exceedes conventional steering wheel grip value, fill to braking
Put the pre- brake signal of transmission；
Brake apparatus, is braked for receiving the pre- brake signal, and according to the pre- brake signal to vehicle.
Preferably, also including foot action acquisition device, the step that the brake 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
Survey device and send the signal for confirming to be braked in advance.
Preferably, the pressure sensor is arranged at the holding of the steering wheel, and positioned at the steering wheel casing
Lower section；
Or, the pressure sensor is to be arranged at the button for corresponding to thumb position on the steering wheel.
Preferably, also include：
Deceleration grade determining device, for obtaining speed and deceleration desired value and determining deceleration grade, according to different
The deceleration grade is controlled deceleration grade suggestion device and carries out braking prompting；
Be arranged on the deceleration grade suggestion device of vehicle rear, the deceleration grade suggestion device include display screen, and/or
It is arranged at the LED at wind shield glass wind shield edge, and/or the warning light being arranged at the vehicle mudguard.
Preferably, the deceleration grade suggestion device also includes the display device for being arranged at 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,
Realized by the detection to accelerator pedal resilience acceleration and the acquisition and analysis that are intended to are operated to driver, can be prior to driver
The brake signal of brake pedal, and pass through the analysis being intended to operation, it is to avoid the impatient lift acceleration of driver habit is stepped on
The mistake brake operating that plate is caused, additionally it is possible to lift driving experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying 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 brakes provided by the present invention.
In Fig. 5：
1 it is accelerator pedal detection means, 2 be pressure sensor, 3 be control device, 4 be brake apparatus, 5 is foot action
Acquisition device, 6 be deceleration grade determining device, 7 be deceleration grade suggestion device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present 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.
Another core of the present invention is to provide a kind of including above-mentioned throttle linkage brakes.
Fig. 1 to Fig. 4 is refer to, Fig. 1 is a kind of throttle linkage braking method specific embodiment one provided by the present invention
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 brakes provided by the present invention
System schematic.
A kind of throttle linkage braking method provided by the present invention, comprises the following steps：
S1, detection accelerator pedal aperture, obtain the resilience acceleration of accelerator pedal；When resilience acceleration is less than all one's effort resilience
Acceleration 90% when, return detection accelerator pedal aperture the step of；Accelerate when accelerator pedal resilience acceleration is more than or equal to
All one's effort resilience acceleration of pedal 90% when, then obtain driver to the grip value of steering wheel.
S2, judge whether grip value exceedes 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, and vehicle is braked 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 reduction of accelerator pedal, i.e., the resilience acceleration of the accelerator pedal of acquisition refers to
When receiving oil condition, the acceleration for the position resilience that accelerator pedal is zero to aperture.
During resilience not by it is any it is outer in the case of the acceleration that produces be all one's effort resilience acceleration, when resilience acceleration is more than
Or equal to all one's effort resilience acceleration 90% when, that is to say, that, can be with when resilience acceleration is approximately equal to all one's effort resilience acceleration
Judge that driver's operation is intended to deceleration-operation or runs into emergency need to be braked, therefore subsequent step can be performed；
When resilience acceleration is less than the 90% of all one's effort resilience acceleration, it is possible to determine that vehicle is still in non-emergent state, therefore can
The step of to return to detection accelerator pedal aperture, that is, return in previous step, during so as to accelerator pedal resilience next time, Neng Gouxun
Speed enters in processing state, or can also temporarily exit control flow.
It should be noted that driver is obtained in step S1 can be measured the grip of steering wheel by sensor, generally
In the case of, when being in an emergency, driver is while accelerator pedal is lifted, and can also hold with a firm grip steering wheel simultaneously, sometimes also
Certain steering operation can be taken, the mode of operation of current driver's can be reacted by the grip value for obtaining steering wheel, so
Reacted for accelerator pedal resilience in the method for braking, it is necessary to consider hold dynamics of the driver to steering wheel.
It should be noted that judge whether grip value exceedes conventional steering wheel grip value in step S2, wherein, conventional direction
Disk grip value can be constant value set in advance, grip value scope etc., naturally it is also possible to by being held to the driver under normality
Hold steering wheel detect obtaining, for example, after vehicle start-up, you can to detect driver to steering wheel by sensor
Degree of holding with a firm grip, the degree that obtains holding with a firm grip under normality is interval.
In above-mentioned steps, if grip value returns to detection accelerator pedal aperture not less than conventional steering wheel grip value
Step, during so as to accelerator pedal resilience next time, can be quickly entered in processing state.If grip value exceedes conventional steering wheel
Grip value, then control to send pre- brake signal to brake apparatus, 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 is less than the brake signal of brake pedal, vehicle can be entered
Row braking, but after the brake signal output of brake pedal, 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, the brake apparatus of vehicle is received after pre- brake signal, according to pre- brake signal
Braking instruction vehicle is braked.
Wherein, mode of braking can be mechanical braking, or can be mechanical braking or be electric notor braking, electric notor
Used in braking to electric notor and convey reverse current, to provide the power that electric notor slows down reversion, can be dropped vehicle
Speed, this mode of braking is safe and efficient, and saves the energy, it is to avoid infringement to vehicle.
It is possible to further be judged by obtaining above-mentioned grip value changes trend, i.e., when in said process, grip value
The change held with a firm grip is presented, and variation tendency then can be determined that and be currently in emergency substantially in normal condition.
Throttle linkage braking method provided by the present invention can be during driver lifts accelerator pedal, by right
The detection of accelerator pedal resilience acceleration is realized operates the acquisition and analysis that are intended to driver, and system can be stepped on prior to driver
The brake signal of dynamic pedal, and pass through the analysis being intended to operation, it is to avoid the impatient lift accelerator pedal of driver habit is caused
Mistake brake operating, additionally it is possible to lift driving experience.
On the basis of above-described embodiment, before driver is obtained in step sl to the grip value of steering wheel, also wrap
Include following steps：
Step S11, acquisition driver detach the foot action after brake pedal in the scheduled time.
Step S12, judge foot action whether be to brake pedal shift action, if it has, then perform obtain driver
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 after accelerator pedal resilience in the scheduled time, obtaining the footwork of driver, typically encountering
During emergency, and then the right crus of diaphragm of driver can be stepped on to brake pedal after accelerator pedal is lifted, to realize rapid braking.For
Prevent the erroneous judgement to driver intention, can before grip value of the driver to steering wheel is obtained detection step movement side
To, if moving direction be towards brake pedal movement, judge driver be intended to step on brake pedal, now obtain and drive again
The person of sailing is to steering wheel grip value.If moving direction is not towards brake pedal position, or do not move, then judge to drive at present
Member is not intended to braking, then the step of can returning to detection accelerator pedal aperture, rapid during so as to accelerator pedal resilience 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 be intended to be further analyzed, it is to avoid the erroneous judgement that causes of driver behavior custom.
On the basis of above-described embodiment, pre- brake signal in step S2 include in brake pressure value, step S2 to
Brake apparatus is sent before pre- brake signal, further comprising the steps of：
Step S21, determine vehicle deceleration desired value according to resilience acceleration, size and the deceleration mesh of resilience acceleration
The size of scale value is directly proportional.
Step S22, detection current vehicle speed, judge whether current vehicle speed is more 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 is in addition to the instruction including brake operating, it can also include grasping braking
Make the guidance of embodiment.
Wherein, determine that vehicle deceleration desired value can be direct by resilience acceleration according to resilience acceleration in step S21
Reaction is in the deceleration desired value of braking, and deceleration desired value is referred to by braking the speed reduction amount realized greatly, if returning
Play acceleration big, then reduction of speed amount is big, if resilience acceleration is small, reduction of speed amount is small.The two can also be specific proportional so that
Deceleration desired value turns into the continuous, successive value related to resilience acceleration.
In step S22, prefabricated motor-car speed needs to carry out the speed of pre- brake operating for vehicle set in advance, is safety
Speed, speed higher than the speed and meet above-mentioned accelerator pedal rapidly the condition such as resilience when, vehicle is braked, otherwise, is not required to
Carry out pre- brake operating.In step S22, when current vehicle speed is more 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, go back
Comprise the following steps：
Step S31, deceleration grade determined according to speed and deceleration desired value, different brakings are carried out according to deceleration grade
Prompting, wherein, braking prompting includes tail-light flash for prompting, vehicle and blown a whistle prompting and the normal bright prompting of light for vehicle.
It should be noted that deceleration grade has high importance in actually driving, first, it is different from braking and steps on
The brake operating of plate, the pre- braking that provides of the present invention is operated with case of emergency, with what is operated prior to driver
Feature, and may have different braking acceleration, now for traffic safety, it is necessary to front vehicle be reminded, to avoid rear
Vehicle is dodged not as good as causing security incident.
Optionally, above-mentioned braking prompting can also be adjusted according to the characteristics of vehicle.
On the basis of any one above-mentioned embodiment, brake apparatus enters according to pre- brake signal to vehicle in step S3
It is further comprising the steps of after row braking：
Step S32, the aperture for detecting accelerator pedal.
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, sending the request for whether continuing executing with brake operating to driver, braked and filled according to the feedback control of driver
Put progress brake operating or stop brake operating.
It should be noted that by detecting whether brake pedal is stepped on, judging whether to continue executing with brake operating, embodying
The priority of pre- brake operating is less than the brake operating of brake pedal.It should be noted that being also possible in view of pre- brake operating
Because the operating habit of driver causes the judgement of mistake, need for the progress to driver and confirm, by driving
Whether member sends continues executing with 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, it is to avoid maloperation is made
Into braking, it is to avoid with driver operation intention be not inconsistent.
Except the throttle linkage braking method that each above-mentioned embodiment is provided, the present invention also provides a kind of for implementing
State the throttle linkage brakes of method disclosed in embodiment.The throttle linkage brakes, including：Accelerator pedal detection dress
Pressure sensor, control device and the brake apparatus put, being arranged on steering wheel.Fig. 5 is refer to, Fig. 5 is provided by the present invention
A kind of throttle linkage brakes system schematic.
Accelerator pedal detection means is used to detect accelerator pedal aperture, and obtains the resilience acceleration of accelerator pedal；When adding
When speed pedal resilience acceleration is more than or equal to the 90% of all one's effort resilience acceleration of accelerator pedal, sends and survey to pressure sensor
Power performs signal, and accelerator pedal detection means is that electrical connection or control signal are connected with pressure sensor.
The pressure sensor being arranged on steering wheel is used to obtain grip value of the driver to steering wheel, and is sent to control
Device.Wherein, pressure sensor is electrically connected with control device.
Control device is used to, when grip value exceedes conventional steering wheel grip value, pre- brake signal is sent to brake apparatus.
Control device is electrically connected with brake apparatus or control signal is connected.
Brake apparatus is used to receive pre- brake signal, and vehicle is braked according to pre- brake signal.
It should be noted that accelerator pedal detection means can be the detection trampled in the structure dress for being arranged on accelerator pedal
Put, can be tachogenerator or infrared sensor etc..
The occupation mode for the throttle linkage brakes that the present embodiment is provided may be referred to the tool of above method embodiment
Body is described.
On the basis of above-described embodiment, also including foot action acquisition device, braking is detached for obtaining driver
The footwork of pedal, when foot action is to brake pedal shift action, foot action acquisition device is examined to accelerator pedal
Survey device and send the signal for confirming to be braked in advance.
It should be noted that footwork acquisition device can include infrared sensor, camera device, body-sensing device or its
He is used to act the device obtained.Footwork acquisition device is connected with above-mentioned control device, accelerator pedal detection means.
On the basis of any one above-mentioned embodiment, pressure sensor is arranged at the holding of steering wheel, and is located at
The lower section of steering wheel casing；Or, pressure sensor is to be arranged at 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, the left and right ends of such as steering wheel,
Because the operating habit of driver is different, pressure sensor can be arranged on to any position for being used to hold on steering wheel, or
Person sets moveable pressure sensor.In another reliable embodiment, pressure sensor can be arranged on steering wheel
The corresponding position of thumb, during to hold with a firm grip, the power of thumb can most convey to pressure sensor soon.
Optionally, above-mentioned pressure sensor can also be arranged on the other positions of steering wheel.
On the basis of any one above-mentioned embodiment, throttle linkage brakes also 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 is controlled deceleration grade suggestion device and carries out braking prompting.
Deceleration grade suggestion device is arranged on the rear portion of vehicle, and deceleration grade suggestion device includes display screen, and/or setting
LED, and/or the warning light that is arranged at vehicle mudguard in wind shield glass wind shield edge.
It should be noted that above-mentioned deceleration grade determining device can be a part for control device, or it is individually control
The part of system, deceleration grade determining device can be connected with the control system of vehicle, above-mentioned control device.
Above-mentioned deceleration grade suggestion device can in addition to above-mentioned LED, warning light other be used for point out dress
Put.
On the basis of any one above-mentioned embodiment, deceleration grade suggestion device also includes being arranged at vehicle both sides
Display device, the display device is used to show current vehicle speed and deceleration grade to both sides front vehicle.Suggestion device can not only
Point out front vehicle, additionally it is possible to which the vehicle of vehicle both sides is pointed out.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
Throttle linkage braking method provided by the present invention and system are described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands 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
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention
In the protection domain that profit is required.
Claims (10)
1. a kind of throttle linkage braking method, it is characterised in that including：
S1, detection accelerator pedal aperture, obtain the resilience acceleration of the accelerator pedal；When the resilience acceleration is less than with all strength
Resilience acceleration 90% when, return it is described detection accelerator pedal aperture the step of；When the accelerator pedal resilience acceleration is big
In or equal to the accelerator pedal all one's effort resilience acceleration 90% when, then obtain driver to the grip value of steering wheel；
S2, judge whether the grip value exceedes 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, and vehicle is braked according to the pre- brake signal.
2. throttle linkage braking method according to claim 1, it is characterised in that driver is obtained in the S1 to direction
Before the grip value of disk, also include：
S11, acquisition driver detach the foot action after brake pedal in the scheduled time；
S12, judge whether the foot action is to brake pedal shift action, if it has, then performing 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, it is characterised in that the pre- brake signal includes braking and pressed
Before sending pre- brake signal to brake apparatus in force value, the S2, also include：
S21, determine vehicle deceleration desired value according to the resilience acceleration, the size of the resilience acceleration is slowed down with described
The size of degree desired value is directly proportional；
S22, detection current vehicle speed, judge whether current vehicle speed is more 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, it is characterised in that brake apparatus described in the S3 is received
After the pre- brake signal, also include：
S31, deceleration grade determined according to the speed and the deceleration desired value, carried out according to the deceleration grade different
Braking prompting, wherein, the braking prompting includes tail-light flash for prompting, vehicle and blown a whistle prompting and the normal bright prompting of light for vehicle.
5. throttle linkage braking method according to claim 4, it is characterised in that brake apparatus described in the S3 according to
After the pre- brake signal is braked to vehicle, also include：
S32, the detection accelerator pedal aperture；
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, sending the request for whether continuing executing with brake operating to driver, braked and filled according to the feedback control of the driver
Put progress brake operating or stop brake operating.
6. a kind of throttle linkage brakes, it is characterised in that including：
Accelerator pedal detection means, for detecting accelerator pedal aperture, and obtains the resilience acceleration of the accelerator pedal；Work as institute
State accelerator pedal resilience acceleration more than or equal to the accelerator pedal all one's effort resilience acceleration 90% when, to pressure sensing
Device sends dynamometry and performs signal；
The pressure sensor on steering wheel is arranged at, for obtaining grip value of the driver to steering wheel, and control dress is sent to
Put；
Control device, the control device is used to, when the grip value exceedes conventional steering wheel grip value, send out to brake apparatus
Send pre- brake signal；
Brake apparatus, is braked for receiving the pre- brake signal, and according to the pre- brake signal to vehicle.
7. throttle linkage brakes according to claim 6, it is characterised in that also including foot action acquisition device,
The footwork of the brake 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 to be braked in advance to the accelerator pedal detection means.
8. throttle linkage brakes according to claim 7, it is characterised in that the pressure sensor is arranged at described
At the holding of steering wheel, and positioned at the lower section of the steering wheel casing；
Or, the pressure sensor is to be arranged at the button for corresponding to thumb position on the steering wheel.
9. throttle linkage brakes according to claim 8, it is characterised in that also include：
Deceleration grade determining device, for obtaining speed and deceleration desired value and determining deceleration grade, according to different
Deceleration grade is controlled deceleration grade suggestion device and carries out braking prompting；
The deceleration grade suggestion device of vehicle rear is arranged on, the deceleration grade suggestion device includes display screen, and/or setting
LED, and/or the warning light that is arranged at the vehicle mudguard in wind shield glass wind shield edge.
10. throttle linkage brakes according to claim 9, it is characterised in that the deceleration grade suggestion device is also
Display device including being arranged at the vehicle both sides, the display device is used to show current vehicle speed to both sides front vehicle and subtracted
Fast grade.
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| CN201710113657.2A CN106938643B (en) | 2017-02-28 | 2017-02-28 | A kind of throttle linkage braking method and throttle linkage braking system |
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