CN107117029A - A kind of control method for preventing that throttle from stepping on by mistake - Google Patents
A kind of control method for preventing that throttle from stepping on by mistake Download PDFInfo
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- CN107117029A CN107117029A CN201710318297.XA CN201710318297A CN107117029A CN 107117029 A CN107117029 A CN 107117029A CN 201710318297 A CN201710318297 A CN 201710318297A CN 107117029 A CN107117029 A CN 107117029A
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- car running
- running computer
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- throttle
- mistake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/14—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to accident or emergency, e.g. deceleration, tilt of vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The accident that gas pedal is stepped on by mistake in recent years is continuous always, and the various devices for preventing throttle from stepping on by mistake are uneven, prevents that the method that throttle is stepped on by mistake is even more to have nothing in common with each other, but be all unsatisfactory.The present invention is proposed：Vehicle driving computer obtains gas pedal opening amount signal, if gas pedal opening amount signal is more than first threshold, car running computer sends instruction, makes vehicle traction energy control module stop the energy needed for supply of vehicles driving, to prevent throttle from stepping on by mistake.The vehicle that the present invention is controlled based on car running computer, without increasing any parts, only need to change vehicle driving computer control method can accomplish to prevent throttle from stepping on by mistake, and this is only the low-carbon invention that advocate.And there is learning functionality using the vehicle of this control method, driver can judge the aperture threshold value whether throttle is stepped on by mistake by the learning functionality setting in this method, make vehicle safer.
Description
Technical field
The present invention relates to technical field of vehicle safety, more particularly to one kind prevents gas from stepping on control method by mistake.
Background technology
The accident that gas pedal is stepped on by mistake in recent years is continuous always, and the various devices for preventing throttle from stepping on by mistake are uneven, prevent
The method that throttle is stepped on by mistake is even more to have nothing in common with each other, but is all unsatisfactory.Throttle step on by mistake it is mostly be because driver it is nervous, it is flurried in one
Pin is trampled gas pedal on earth, and now vehicle can be worn in public with speed quickly, so as to cause danger.But most vehicles are simultaneously
The device for preventing throttle from stepping on by mistake is fitted without, is, because prevent that the apparatus structure that throttle is stepped on is complicated in the past by mistake, to be changed during installation
Vehicle structure, it is comparatively laborious.We have found to reach some threshold value with gas pedal aperture when research throttle is stepped on by mistake, to judge to be
No step on by mistake is a kind of feasible method, but this threshold value varies with each individual, so can not be tackled with same threshold value all
Driver.
In summary, in order to overcome above-mentioned technical barrier, the present invention proposes a kind of vehicle controlled based on car running computer,
Any parts need not be increased, only need to change vehicle driving computer control method can accomplish to prevent throttle from stepping on by mistake.And use
The vehicle of this control method has learning functionality, and driver can judge whether throttle misses by the learning functionality setting in this method
The aperture threshold value stepped on, makes vehicle safer.
The content of the invention
The present invention is suitable for all vehicles controlled based on car running computer, and the present invention is by changing car running computer controlling party
Method accomplishes to prevent throttle from stepping on by mistake, and the vehicle using the present invention need not increase any parts.Stepped on by mistake when throttle occurs for driver
When, driving force will be lost using the vehicle of the present invention, speed is not being increased, concretely：
A kind of control method for preventing throttle from stepping on by mistake includes：Vehicle driving computer obtains gas pedal opening amount signal, if throttle
When pedal opening signal is more than first threshold, then car running computer sends instruction, makes vehicle traction energy control module stop supply
The energy needed for vehicle traction.
A kind of control method for preventing that throttle from stepping on by mistake, this method comprises the following steps：
Step one：Car running computer reads first threshold, and calculates Second Threshold according to first threshold；
Step 2：Car running computer enters drive energy unrestricted model；
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal opening signal value is more than first threshold, if current throttle is stepped on
Plate opening amount signal value is more than first threshold, then returns to step 2；
Step 5：Car running computer judges whether current throttle pedal opening signal value is more than Second Threshold, if current throttle is stepped on
Plate opening amount signal value is more than Second Threshold, then car running computer sends instruction, makes sound module continuously send out the prompting of pedal aperture
Sound, and run to step 7；
Step 6：Car running computer sends instruction, makes sound module close all auditory tone cueses；
Step 7：Car running computer sends instruction, makes vehicle energy control module recover normal, returns to step 3.
A kind of control method for preventing that throttle from stepping on by mistake, described drive energy unrestricted model comprises the following steps：
Step one：Car running computer sends instruction, makes vehicle traction energy control module stop the energy needed for supply of vehicles driving；
Step 2：Car running computer sends instruction, makes sound module continuously send out into drive energy unrestricted model warning sound；
Step 3：Car running computer judges whether this unrestricted model duration is more than 60 seconds, if this unrestricted model continues
Time then ran mode of learning more than 60 seconds；
Step 4：Car running computer obtains current throttle pedal opening signal；
Step 5：Car running computer judges whether current throttle pedal aperture is zero, if current throttle pedal aperture is not zero,
Step 3 is returned to, if current throttle pedal aperture is zero, car running computer exits drive energy unrestricted model.
A kind of control method for preventing that throttle from stepping on by mistake, described mode of learning comprises the following steps：
Step one：Car running computer sends instruction, makes sound module send into mode of learning sound, the duration is 2 seconds；
Step 2：Car running computer is delayed 10 seconds；
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal aperture is more than 99%, if current throttle pedal aperture is more than
99%, then corresponding gas pedal opening amount signal value, operation when car running computer change first threshold is 99% aperture of gas pedal
To step 7；
Step 5：Car running computer judges whether current throttle pedal aperture is less than 20%, if current throttle pedal aperture is less than
20%, then corresponding gas pedal opening amount signal value, operation when car running computer change first threshold is 20% aperture of gas pedal
To step 7；
Step 6：Car running computer change first threshold is current throttle pedal opening signal value；
Step 7：Car running computer sends instruction, makes sound module send learning success prompt tone, and the duration is 2 two seconds, fortune
Row, which is arrived, starts step.
A kind of control method for preventing that throttle from stepping on by mistake, if the vehicle is fueled vehicles, the stopping supply car
Driving needed for the energy can be off the fuel of supply of vehicles engine.
A kind of control method for preventing throttle from stepping on by mistake is characterized in that：If the vehicle is electrical energy drive vehicle, described
The energy needed for stopping supply of vehicles driving can be off the electric energy of supply of vehicles motor.
A kind of control method for preventing that throttle from stepping on by mistake, described first threshold initial value is right for the aperture of gas pedal 90%
The gas pedal opening amount signal value answered；The first threshold is stored into the data storage module of car running computer, the data storage
Module is power down preserving module.
A kind of control method for preventing that throttle from stepping on by mistake, described Second Threshold calculation is：Second Threshold is equal to first
Threshold value is multiplied by m, and m span is 0.95 ~ 0.7.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention improves the recognition accuracy that throttle is stepped on by mistake,
Driver occurs to allow vehicle to lose driving force at once throttle is stepped on by mistake when；And learning functionality is carried using the vehicle of the present invention, is driven
The person of sailing can judge the aperture threshold value whether throttle is stepped on by mistake by the learning functionality setting in this method（First threshold）；The present invention
Any parts, which need not be increased, can accomplish to prevent throttle from stepping on by mistake, greatly reduce cost.
Brief description of the drawings
Fig. 1 is control method schematic flow sheet of the invention.
Fig. 2 is drive energy unrestricted model schematic flow sheet in the control method of the present invention.
Fig. 3 is control method learning model process schematic diagram of the invention.
Fig. 4 is module connection diagram related to the present invention.
Embodiment
A kind of control method for preventing that throttle from stepping on by mistake of the present invention, letter is prevents throttle from stepping on generation by mistake, and actual is anti-
Only " throttle is stepped on by mistake " causes danger, and this has no effect on the principle explanation of the present invention.
When vehicle accelerator steps on generation by mistake, this control method does not use brake function, but by stopping supply car
Energy required for driving reduces speed, though vehicle high speed wait in particular cases car running computer enter drive energy limit
Molding formula does not result in the situation that vehicle suddenly slows down yet, and makes vehicle safer.
A kind of control method for preventing that throttle from stepping on by mistake of the present invention, this control method is performed by car running computer.Refer to the attached drawing
4, the first threshold that the present invention is previously mentioned is stored in the storage module in car running computer, and the module is power down preserving module, first
The initial value of threshold value is the gas pedal opening amount signal value corresponding to the aperture of gas pedal 90%.
Car running computer is to obtain accelerator pedal position signal by accelerator pedal position sensor.
Sound module mentioned by the present invention can be buzzer or automobile audio module.
If the present invention is applied to fuel vehicle, the drive energy control module that the present invention is previously mentioned is then control vehicle combustion
Expect the module of supply.If the present invention is applied to the vehicle of driven by power, the drive energy control module that the present invention is previously mentioned is then
To control the module of vehicle traction supply of electric power.Enter drive energy unrestricted model when applying the car running computer of this control method
Afterwards, the energy required for supply of vehicles driving will be stopped, the energy required for stopping supply of vehicles driving can be direct control
System or indirect control.Such as fuel combustion vehicle stops giving vehicle fuel feeding, can be that control fuel injector stops oil spout, also may be used
To reduce or stop oil spout by reducing air throttle.It is every to belong to this with inventive concept principle identical method
Invention.
In real life production, the signal that vehicle accelerator pedal position sensor passes to car running computer is generally two
Road, it is all the way that these electric signals have plenty of to be increased with the increase of gas pedal aperture also to have part, and also some are with oil
The increase of door pedal aperture and reduce, but these electric signals are entirely to be used for reflecting the signal of gas pedal aperture, the present invention
In be not itself to the definition of these signal value sizes, but gas pedal aperture size corresponding to it is determined, signal pair
When the gas pedal aperture answered is bigger, signal value is bigger, otherwise smaller.Aperture of the gas pedal when not trampling is zero, is being stepped on
It is 100% to step on aperture when on earth.
A kind of refer to the attached drawing 1, control method for preventing that throttle from stepping on by mistake, this method comprises the following steps：
Step one：Vehicle driving computer reads the first threshold in data storage module, and calculates second according to first threshold
Threshold value, computational methods are：Second Threshold is multiplied by 0.8 equal to first threshold；
Step 2：Car running computer enters drive energy unrestricted model；
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal opening signal value is more than first threshold, if current throttle is stepped on
Plate opening amount signal value is more than first threshold, then returns to step 2；Meaning more than first threshold is that driver tramples gas pedal
Aperture reached the threshold value for being judged as stepping on by mistake, then perform drive energy unrestricted model.
Step 5：Car running computer judges whether current throttle pedal opening signal value is more than Second Threshold, if current oil
Door pedal opening signal value is more than Second Threshold, then car running computer sends instruction, makes sound module continuously send out pedal aperture and carries
Show sound, and run to step 7；More than Second Threshold meaning for driver trample gas pedal aperture reached needs carry
The value for the driver gas pedal aperture of waking up, then sound module send pedal aperture voice prompt now throttle stepped on to point out driver
The aperture of plate, prevents driver from trampling gas pedal aperture excessive, it is to avoid non-driver is intended to lower into drive energy limitation mould
Formula.
Step 6：Car running computer sends instruction, makes sound module close all auditory tone cueses；Now illustrate that gas pedal is opened
Degree is not above Second Threshold, and sound module closes all prompt tones.
Step 7：Car running computer sends instruction, makes vehicle energy control module recover normal, returns to step 3.Now go
Car computer is not in the limitation vehicle traction energy.Driver according to oneself need drive vehicle traveling.
Refer to the attached drawing 2.Drive energy unrestricted model comprises the following steps：
It is into this pattern meaning：Car running computer judges that driver there occurs that throttle is stepped on by mistake, and vehicle will be limited, while this
Pattern is also the entrance into mode of learning.
Step one：Car running computer sends instruction, makes vehicle traction energy control module stop needed for supply of vehicles drives
The energy；So that vehicle loses driving force, vehicle will slow down under various resistances, and resistance includes engine braking resistance, motor
Resistance etc..Compared to the vehicle without this control method after throttle is stepped on by mistake, vehicle will be worn in public with speed quickly, dangerous pole
Greatly.
Step 2：Car running computer sends instruction, makes sound module continuously send out into drive energy unrestricted model alarming sound
Sound；Preferably, now sound module sends long song, driver is pointed out now to enter drive energy unrestricted model.
Step 3：Car running computer judges whether this unrestricted model duration is more than 60 seconds, if this unrestricted model
Duration then ran mode of learning more than 60 seconds；Under unrestricted model, car running computer is when time unrestricted model was more than 60 seconds
Entering has timing module that time parameter is judged and calculated for car running computer in mode of learning, car running computer.
Step 4：Car running computer obtains current throttle pedal opening signal；
Step 5：Car running computer judges whether current throttle pedal aperture is zero, if current throttle pedal aperture is not zero,
Step 3 is returned to, if current throttle pedal aperture is zero, car running computer exits drive energy unrestricted model.If now oily
Door pedal aperture is zero, illustrates that driver has unclamped gas pedal, then car running computer exits drive energy unrestricted model.
Refer to the attached drawing 3.Mode of learning comprises the following steps：
Step one：Car running computer sends instruction, makes sound module send into mode of learning sound, the duration is 2 seconds；This
When driver by mode of learning voice prompt, just may know that and come into mode of learning.
Step 2：Car running computer is delayed 10 seconds；Within 10 seconds, gas pedal is trampled some aperture by driver,
This opening amount signal value is to judge whether the threshold value into drive energy unrestricted model（First threshold）,
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal aperture is more than 99%, if current throttle pedal aperture is more than
99%, then corresponding gas pedal opening amount signal value, operation when car running computer change first threshold is 99% aperture of gas pedal
To step 7；This step is in order to not make first threshold excessive, in order to avoid cause to cannot be introduced into drive energy unrestricted model, to first
Threshold value is limited.
Step 5：Car running computer judges whether current throttle pedal aperture is less than 20%, if current throttle pedal aperture is small
In 20%, then corresponding gas pedal opening amount signal value, fortune when car running computer change first threshold is 20% aperture of gas pedal
Row arrives step 7；This step is to not make first threshold too small, cause vehicle not travel, first threshold is limited
System.
Step 6：Car running computer change first threshold is current throttle pedal opening signal value；
Step 7：Car running computer sends instruction, makes sound module send learning success prompt tone, and the duration is 2 two seconds, fortune
Row, which is arrived, starts step.Now study first threshold success, sound module sends learning success prompt tone.Refer to the attached drawing 1, flow will
Starting position is returned to, first threshold is re-read.
If the vehicle is fueled vehicles, the energy needed for the stopping supply of vehicles driving can be off supplying
Answer the fuel of vehicle motor.
If the vehicle is electrical energy drive vehicle, the energy needed for the stopping supply of vehicles driving can be off supplying
Answer the electric energy of vehicle traction motor.
First threshold initial value is the gas pedal opening amount signal value corresponding to the aperture of gas pedal 90%；First threshold
Value is stored into the data storage module of car running computer, and the data storage module is power down preserving module.
Described Second Threshold calculation is：Second Threshold is multiplied by m equal to first threshold, and m span is 0.95 ~
0.7。
Embodiment described above, only the preferred embodiments of the present invention, are not intended to limit the invention.It is all this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements made should be included in the protection model of the present invention
Within enclosing.
Claims (8)
1. a kind of control method for preventing throttle from stepping on by mistake is characterized in that：This method includes：Vehicle driving computer obtains throttle and stepped on
Plate opening amount signal, if gas pedal opening amount signal is more than first threshold, car running computer sends instruction, makes vehicle traction energy
Source control module stops the energy needed for supply of vehicles driving.
2. a kind of control method for preventing throttle from stepping on by mistake according to claim 1 is characterized in that：This method includes following
Step：
Step one：Car running computer reads first threshold, and calculates Second Threshold according to first threshold；
Step 2：Car running computer enters drive energy unrestricted model；
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal opening signal value is more than first threshold, if current throttle is stepped on
Plate opening amount signal value is more than first threshold, then returns to step 2；
Step 5：Car running computer judges whether current throttle pedal opening signal value is more than Second Threshold, if current throttle is stepped on
Plate opening amount signal value is more than Second Threshold, then car running computer sends instruction, makes sound module continuously send out the prompting of pedal aperture
Sound, and run to step 7；
Step 6：Car running computer sends instruction, makes sound module close all auditory tone cueses；
Step 7：Car running computer sends instruction, makes vehicle energy control module recover normal, returns to step 3.
3. a kind of control method for preventing throttle from stepping on by mistake according to claim 2 is characterized in that：Described drive energy
Unrestricted model comprises the following steps：
Step one：Car running computer sends instruction, makes vehicle traction energy control module stop the energy needed for supply of vehicles driving；
Step 2：Car running computer sends instruction, makes sound module continuously send out into drive energy unrestricted model warning sound；
Step 3：Car running computer judges whether this unrestricted model duration is more than 60 seconds, if this unrestricted model continues
Time then ran mode of learning more than 60 seconds；
Step 4：Car running computer obtains current throttle pedal opening signal；
Step 5：Car running computer judges whether current throttle pedal aperture is zero, if current throttle pedal aperture is not zero,
Step 3 is returned to, if current throttle pedal aperture is zero, car running computer exits drive energy unrestricted model.
4. a kind of control method for preventing throttle from stepping on by mistake according to claim 2 is characterized in that：Described mode of learning
Comprise the following steps：
Step one：Car running computer sends instruction, makes sound module send into mode of learning sound, the duration is 2 seconds；
Step 2：Car running computer is delayed 10 seconds；
Step 3：Car running computer obtains current throttle pedal opening signal；
Step 4：Car running computer judges whether current throttle pedal aperture is more than 99%, if current throttle pedal aperture is more than
99%, then corresponding gas pedal opening amount signal value, operation when car running computer change first threshold is 99% aperture of gas pedal
To step 7；
Step 5：Car running computer judges whether current throttle pedal aperture is less than 20%, if current throttle pedal aperture is less than
20%, then corresponding gas pedal opening amount signal value, operation when car running computer change first threshold is 20% aperture of gas pedal
To step 7；
Step 6：Car running computer change first threshold is current throttle pedal opening signal value；
Step 7：Car running computer sends instruction, makes sound module send learning success prompt tone, and the duration is 2 two seconds, fortune
Row, which is arrived, starts step.
5. a kind of controlling party for preventing that throttle from stepping on by mistake according to claim 1 claim 2 claim 3 claim 4
Method is characterized in that：If the vehicle is fueled vehicles, the energy needed for the stopping supply of vehicles driving can be
Stop the fuel of supply of vehicles engine.
6. a kind of controlling party for preventing that throttle from stepping on by mistake according to claim 1 claim 2 claim 3 claim 4
Method is characterized in that：If the vehicle is electrical energy drive vehicle, the energy needed for the stopping supply of vehicles driving can be
Stop the electric energy of supply of vehicles motor.
7. a kind of controlling party for preventing that throttle from stepping on by mistake according to claim 1 claim 2 claim 3 claim 4
Method is characterized in that：Described first threshold initial value is the gas pedal opening amount signal value corresponding to the aperture of gas pedal 90%；
The first threshold is stored into the data storage module of car running computer, and the data storage module is power down preserving module.
8. one kind according to claim 1 claim 2 claim 3 claim 4 claim 7 prevents throttle from stepping on by mistake
Control method be characterized in that：Described Second Threshold calculation is：Second Threshold is multiplied by m equal to first threshold, and m's takes
Value scope is 0.95 ~ 0.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318297.XA CN107117029A (en) | 2017-05-08 | 2017-05-08 | A kind of control method for preventing that throttle from stepping on by mistake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710318297.XA CN107117029A (en) | 2017-05-08 | 2017-05-08 | A kind of control method for preventing that throttle from stepping on by mistake |
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| CN107117029A true CN107117029A (en) | 2017-09-01 |
Family
ID=59726736
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|---|---|---|---|
| CN201710318297.XA Pending CN107117029A (en) | 2017-05-08 | 2017-05-08 | A kind of control method for preventing that throttle from stepping on by mistake |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107672542A (en) * | 2017-09-22 | 2018-02-09 | 株洲市江海汽车智能科技有限公司 | Mistake step on accelerator of vehicle analysis and Control system |
| CN109606107A (en) * | 2019-01-28 | 2019-04-12 | 哈工大机器人（岳阳）军民融合研究院 | Electronic accelerator system with Anti-mis-stepping function |
| CN113815411A (en) * | 2020-06-19 | 2021-12-21 | 比亚迪股份有限公司 | Calibration method and device, storage medium, new energy automobile and control method |
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Application publication date: 20170901 |