CN108909451A - A kind of anti-misoperation throttle control system and control method - Google Patents
A kind of anti-misoperation throttle control system and control method Download PDFInfo
- Publication number
- CN108909451A CN108909451A CN201810783753.2A CN201810783753A CN108909451A CN 108909451 A CN108909451 A CN 108909451A CN 201810783753 A CN201810783753 A CN 201810783753A CN 108909451 A CN108909451 A CN 108909451A
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- Prior art keywords
- throttle
- brake
- accidentally
- signal
- control
- 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
-
- 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
-
- 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
-
- 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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
-
- 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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
Abstract
The present invention provides a kind of anti-misoperation throttle control equipment and control method, the throttle control equipment includes：Throttle position sensor, control unit, brake unit, the throttle position sensor are mounted in vehicle throttle, for measuring the release position of air throttle；Described control unit is connected with the throttle position sensor, controls for receiving the release position signal of air throttle, and based on the signal the brake unit；The brake unit issues brake signal under the control of described control unit.Throttle control equipment of the invention can be avoided driver's harm brought by mis-accelerator pressing as anxiety, the preferably safety of support vehicles and passenger.
Description
Related application
It is on January 5th, 2016, a kind of entitled " throttle control that the application, which is application No. is the 2016100070573, applying date,
The divisional application of system processed ".
Technical field
The present invention relates to a kind of measurement control fields, and in particular to a kind of automobile emergency prevents driver's mis-accelerator pressing when braking
Throttle control equipment.
Background technique
With the development of world economy and science and technology, while automobile becomes increasingly popular, traffic accident also frequently occurs.
Lead to that major accident person is not within minority because of the maloperation of driver, this just needs the raising by relevant art level
To be avoided.Wherein, automobile is in driving process, when special circumstances occurs suddenly in front, such as：Personnel cross road, preceding suddenly
Square vehicle is brought to a halt, because the nervous at heart or reaction of driver is too late, should be carried out emergency brake, but accidentally stepped on throttle, because
This often results in vehicle and thrustes into or the major accident of the car crashes such as vehicle rear-end collision.
Although the science and technology quite prosperity to grow up so far around auto industry in the world, moreover, people are not
Up to the present pursuing the technique device and method for attempting to realize that automobile is fully able to automatic Pilot disconnectedly, does not still have still
Technologically advanced and technical maturity autonomous driving vehicle, existing vehicle still need to encounter promptly by pilot steering, especially automobile
State when needing emergency brake, needs showing when participating in the cintest by driver completely, just can guarantee the safety of driving, therefore, automobile
It is completely necessary for having emergency braking device anti-misstep automatic control technology.
The existing device for preventing mis-accelerator pressing is often set about from gas pedal, still, is added from gas pedal
Often effect is less desirable for speed measuring device, interference can be brought to Throttle Opening Control, and since throttle and its connecting rod etc. are activities
Component, sensor do not have suitable position to install, and are easy to bring damage to sensor yet.
In the prior art, it is thus proposed that monitor accidentally stepping on to throttle by the pressure difference of pipeline road two sides.But this
Kind of mode is the feedback just carried out, with obvious hysteresis quality after oil mass in the cylinder has increased.
Summary of the invention
Therefore, in view of the above-mentioned problems, present inventor proposes a kind of anti-misoperation accelerator control method, the oil
Door control method includes：
Utilize the release position of throttle position sensor measurement air throttle；
The release position signal of air throttle is received, and the brake unit is controlled based on the signal；
Judgment module is accidentally stepped on using throttle judges whether throttle is accidentally stepped on based on the rate of change of its release position, also,
If it is determined that throttle is accidentally stepped on, then issues and accidentally step on signal to brake unit, the throttle accidentally steps on judgment module and draws air throttle ruler
Very little rate of change curve, the curve account for the percentage being always open as the longitudinal axis using the time as horizontal axis, using solar term door opening, and with
0.01-0.2s is the period, calculates the area coverage increment of rate of change curve during this period of time, and it is opposite to calculate the increment
In upper a cycle area coverage and predetermined basis value and ratio be then judged as throttle after the ratio reaches threshold value
Accidentally step on,
Signal is accidentally stepped on using brake unit reception, and after receiving and accidentally stepping on signal, control oil valves closure is to cut off
Fuel delivery；And driving brake control device, control brake gear brake,
The method also includes installing backside pressure sensor, for measuring driver at the backrest of driver's vehicle seat
Back against vehicle seat pressure, when backside pressure is more than that threshold value and throttle trample curve and also meet respective threshold and require, hair
Instruction is accidentally stepped on out.
On the other hand, the present invention provides a kind of anti-misoperation throttle control equipment, which is characterized in that the Throttle Opening Control is set
It is standby to include：Throttle position sensor, control unit, brake unit,
The throttle position sensor is mounted in vehicle throttle, for measuring the release position of air throttle；
Described control unit is connected with the throttle position sensor, for receiving the release position signal of air throttle,
And the brake unit is controlled based on the signal；
The brake unit issues brake signal under the control of described control unit.
Further, described control unit includes that throttle accidentally steps on judgment module, and the throttle accidentally steps on judgment module and is based on opening
The rate of change for putting position judges whether throttle is accidentally stepped on, also, if it is determined that throttle is accidentally stepped on, then issues and accidentally step on signal to institute
State brake unit.
Further, the brake unit is connected with the fuel regulator valve of vehicle, and the brake unit is receiving mistake
After stepping on signal, the fuel regulator valve closure is controlled to cut off fuel delivery；And/or
The brake unit is connected with the brake controller part of vehicle, the brake unit after receiving and accidentally stepping on signal,
The brake controller part is driven, and then controls brake gear and brakes.
Further, the throttle control system further includes differential pressure pickup, and the differential pressure pickup includes first pressure
Sensor and second pressure sensor, the first pressure sensor are mounted on the upstream side of the fuel regulator valve, and described
Two pressure sensors are mounted on the downstream side of the fuel regulator valve.
Further, the throttle control system further includes that air throttle stroke obtains module, and the air throttle stroke obtains
Module receives the position signal of air throttle from the throttle position sensor, and obtains the maximum open positional value of air throttle,
And based on the position signal determine air throttle when open front and maximum open ratio.
Further, the throttle control system further includes finger print acquisition module, fingerprint storage module, the fingerprint collecting
Module is installed on the inside of steering wheel, stores for acquiring the finger print information of driver, and by finger print information collected
In fingerprint storage module, described control unit throttle position during driving the finger print information of current driver with it
The kinetic characteristic of sensor is associated.
Further, the throttle control equipment further includes fingerprint matching module, and per when a vehicle is started, the control is single
Member drives the finger print information of the finger print acquisition module reading driver, and the fingerprint matching module is driven read
It sails the finger print information stored in the finger print information and the fingerprint storage module of personnel to match, and reads out current driver
The driving history data of member, it is that driver's setting throttle accidentally steps on threshold value that described control unit, which is based on the driving history data,.
Control system of the invention, as trigger condition, controls the valve of petroleum pipeline, usual feelings based on the signal of air throttle
Under condition, air throttle is all itself with position sensor, therefore system of the invention can use existing sensor, be not required to
Additionally to increase sensor.
In addition, control system of the invention is pointedly different driving according to the skilled degree of different drivers
Member be arranged it is different accidentally step on threshold value, accidentally step on judgment threshold for new driver's setting is lower, and then better ensure that its peace
Entirely, for accidentally step on the less skilled driver of situation provide it is higher accidentally step on judgment threshold, reduce erroneous judgement.
Detailed description of the invention
Fig. 1 gives the structural schematic diagram of throttle control equipment of the invention.
Specific embodiment
Embodiment 1
As shown in Figure 1, the throttle control equipment in the present embodiment includes：Control unit 100, throttle position sensor
110, brake sensor 111, brake unit 120.
Control unit 100 accidentally steps on judgment module including solar term door opening judgment module 101, oil transportation control module 102, throttle
103, study module 104, alarm module 105.
Brake unit 120 includes oil valves 121, brake drive module 122, brake recovery module 123.
Control unit 100 communicates with one another with throttle position sensor 110, the former receives throttle position letter from the latter
Number.The position signal that solar term door opening judgment module 101 is transmitted based on throttle position sensor 110 judges air throttle
The size of opening, the size of solar term door opening can indicate with when open front accounts for the percentage of air throttle total opening size,
It can be indicated with the opening section of air throttle product.Air throttle is used to control one of controllable valve that air enters engine, air
After into air inlet pipe and gasoline mixing is newly at fuel gas.
Throttle position sensor 110 is mounted in vehicle throttle, for measuring the position of air throttle.Usual situation
Under, general vehicle all includes throttle position sensor, and in this case, it is solid that system of the invention can use vehicle
Some throttle position sensor, without additionally increasing position sensor.
101 position based on air throttle measured by throttle position sensor 110 of solar term door opening judgment module calculates
The current opening size of air throttle.
Throttle accidentally steps on judgment module 103 and acquires the information of air throttle size in real time, and calculates the change of air throttle size
Change rate curve, when the rate of change of air throttle size is more than predetermined threshold, throttle accidentally steps on the sending of judgment module 103 and accidentally steps on letter
Number.
In another implementation, oil valves 121 are not used and use gas transmission valve, i.e., the volume on air throttle pipeline
One valve of outer increase, for controlling the inflow of air.Once gas transmission valve is closed, then air throttle fails.
In a kind of preferred implementation, throttle accidentally steps on the rate of change curve that judgment module 103 draws air throttle size,
The curve accounts for the percentage being always open as the longitudinal axis using the time as horizontal axis, using solar term door opening, and using 0.01-0.2s as the period,
The area coverage increment of rate of change curve during this period of time is calculated, and calculates the increment covering relative to upper a cycle
Capping it is long-pending with predetermined basis value and ratio be then judged as that throttle is accidentally stepped on after the ratio reaches threshold value.Present invention employs
Different from routine accidentally steps on judgment mode, is to carry out judgment threshold based on increment/(basic crack+upper periodic cover amount).This side
Formula can reduce erroneous judgement.
Oil transportation control module 102 is accidentally stepped on the signal that judgment module is issued based on throttle and issues control letter to oil valves
Number, control oil valves 121 are closed.
Oil valves 121 are mounted in the pipeline road of automobile, can control the on-off of pipeline road.Oil valves 121
Once receiving shutdown signal, it is switched off pipeline road.It should be noted that oil valves 121 are independently of the control of throttle
One individual valve of link, oil valves are once close, even if how to step on the gas again, engine send oil mass all not increase
Add.
Brake sensor 111 is connected with brake pedal or brake actuators, and for real-time measurement, driver touches on the brake
Speed and distance.Brake sensor 111 is also connected with control unit 100, and by brake measured by brake sensor
Data are real-time transmitted to control unit 100.
Study module 104 receives brake sensor 111 and the data collected of throttle position sensor 110, and learns
It practises module 104 and stores data measured by brake sensor 111 and throttle position sensor 110.Study module 104 is mainly used
In the driving habit for analyzing and learning driver and judge whether driver mis-accelerator pressing situation often occurs.For example, learning
It practises module 104 to record and judge the time interval that driver opens the throttle and touches on the brake whithin a period of time, if driver
Member often occurs after opening the throttle, and just carries out the case where the operating that touch on the brake in less than 1 second or less than 0.5 second, then learns mould
Block 104 determines that the driver is population at risk, and for such crowd, reduces throttle and accidentally step on sentencing for judgment module 103
Disconnected threshold value, makes it equal to or the average time interval greater than the driver between opening the throttle and touching on the brake.
Specifically, throttle control equipment of the invention is in the initial state, can accidentally be stepped on to the identical throttle of every trolley
Judgment threshold, which accidentally steps on threshold value can increase the threshold value of rate for air throttle opening, this threshold value is according to different automobile types meeting
There is some difference, can judge based on experience value in advance.But in fact, each driver to the driving ability of vehicle and
Habit may be it is different, therefore, for the driver of different level, judgment threshold needs continuously adjust.Therefore, for
This problem, study module 104 of the invention also have a specific function, record such situation：It is fast in solar term door opening
(for example, 0.5s, 0.3s, 0.2s or 1s) in the predetermined time after speed increases, brake sensor 111 measures brake signal.This says
Bright driver goes to touch on the brake again immediately after having stepped on throttle suddenly, and further relating to driver is before mis-accelerator pressing.That is, study
Driver is higher than the behavior to touch on the brake after set rate is stepped on the gas and regards as mis-accelerator pressing by module.
Brake unit 120 is connected with the fuel regulator valve of vehicle, and brake unit 120 is after receiving and accidentally stepping on signal, control
The oil valves closure is made to cut off fuel delivery.Preferably, brake unit 120 also with the brake controller part phase of vehicle
Even, the brake drive module 122 of brake unit 120 is after receiving and accidentally stepping on signal, driving brake control device, and then controls and stop
Vehicle device brakes.Preferably, the brake recovery module 123 is using brake sustained release module.It is carried out in the brake unit
After braking, the brake sustained release module can be braked with set rate slow release.The advantage of doing so is that due to brake unit
The braking often carried out after driver's mis-accelerator pressing, so braking is more anxious, driver has little time to react, and if after braking
Brake unit does not discharge brake, then may affect even to generate to subsequent vehicle and knock into the back, and if releasing immediately brake,
Then driver has little time to react toward contact, therefore, using the sustained release module, it is ensured that while traffic safety, gives driver
With the reaction time.
The throttle control equipment further includes differential pressure pickup, and the differential pressure pickup includes first pressure sensor and
Two pressure sensors, the first pressure sensor are mounted on the upstream side of the fuel regulator valve, the second pressure sensing
Device is mounted on the downstream side of the fuel regulator valve.
The throttle control equipment further includes that air throttle stroke obtains module, and the air throttle stroke obtains module from described
Throttle position sensor receives the position signal of air throttle, and the maximum open position of air throttle is determined based on the position signal
Set value.
It is verified through simulated experiment, throttle control equipment of the invention can be effectively prevented throttle and accidentally step on brought vehicle mistake
Accelerate.
In another preferred implementation, the throttle control equipment further includes backside pressure sensor, the back
The backrest that pressure sensor is mounted on driver's vehicle seat goes out, for measuring driver back against the pressure of vehicle seat.It is preferred at this
In implementation, backside pressure and throttle are trampled into judgement and combined, when backside pressure is more than threshold value and throttle tramples curve
When also meeting the requirement of above example, instruction is accidentally stepped in sending, and it is more accurate to judge.This is because in fact, when driver thinks
Often more nervous when wanting emergency brake, moment tramples brake energetically against backrest with strength, and two kinds of judgements are tied
Altogether, judge more efficient.
Although the principle of the present invention is described in detail above in conjunction with the preferred embodiment of the present invention, this field skill
Art personnel are it should be understood that above-described embodiment is only the explanation to exemplary implementation of the invention, not to present invention packet
Restriction containing range.Details in embodiment is simultaneously not meant to limit the scope of the invention, without departing substantially from spirit of the invention and
In the case where range, any equivalent transformation based on technical solution of the present invention, simple replacement etc. obviously change, and all fall within
Within the scope of the present invention.
Claims (2)
1. a kind of anti-misoperation accelerator control method, the accelerator control method include：
Utilize the release position of throttle position sensor measurement air throttle；
The release position signal of air throttle is received, and the brake unit is controlled based on the signal；
Judgment module is accidentally stepped on using throttle judges whether throttle is accidentally stepped on based on the rate of change of its release position, also, if
Judge that throttle is accidentally stepped on, then issues and accidentally step on signal to brake unit, the throttle accidentally steps on judgment module and draws air throttle size
Rate of change curve, the curve account for the percentage being always open as the longitudinal axis using the time as horizontal axis, using solar term door opening, and with
0.01-0.2s is the period, calculates the area coverage increment of rate of change curve during this period of time, and it is opposite to calculate the increment
In upper a cycle area coverage and predetermined basis value and ratio be then judged as throttle after the ratio reaches threshold value
Accidentally step on,
Signal is accidentally stepped on using brake unit reception, and after receiving and accidentally stepping on signal, control oil valves closure is to cut off fuel oil
Supply；And driving brake control device, control brake gear brake,
The method also includes installing backside pressure sensor, for measuring driver back at the backrest of driver's vehicle seat
Against the pressure of vehicle seat, when backside pressure is more than threshold value and throttle tramples curve and also meets respective threshold and require, issues and miss
Step on instruction.
2. a kind of anti-misoperation throttle control equipment, which is characterized in that the throttle control equipment includes：Throttle position sensing
Device, control unit, brake unit,
The throttle position sensor is mounted in vehicle throttle, for measuring the release position of air throttle；
Described control unit is connected with the throttle position sensor, for receiving the release position signal of air throttle, and
The brake unit is controlled based on the signal；
The brake unit issues brake signal under the control of described control unit, and described control unit is based on each driving
The kinetic characteristic of the throttle position sensor is that each driver setting throttle accidentally steps on threshold value during personnel drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810783753.2A CN108909451B (en) | 2016-01-05 | 2016-01-05 | Misoperation-preventing accelerator control system and method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007057.3A CN105564240B (en) | 2016-01-05 | 2016-01-05 | A kind of throttle control system |
| CN201810783753.2A CN108909451B (en) | 2016-01-05 | 2016-01-05 | Misoperation-preventing accelerator control system and method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007057.3A Division CN105564240B (en) | 2016-01-05 | 2016-01-05 | A kind of throttle control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909451A true CN108909451A (en) | 2018-11-30 |
| CN108909451B CN108909451B (en) | 2021-05-18 |
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ID=55875078
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810783753.2A Active CN108909451B (en) | 2016-01-05 | 2016-01-05 | Misoperation-preventing accelerator control system and method |
| CN201610007057.3A Active CN105564240B (en) | 2016-01-05 | 2016-01-05 | A kind of throttle control system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007057.3A Active CN105564240B (en) | 2016-01-05 | 2016-01-05 | A kind of throttle control system |
Country Status (1)
| Country | Link |
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| CN (2) | CN108909451B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147393A (en) * | 2021-05-11 | 2021-07-23 | 东风汽车集团股份有限公司 | Method and device for identifying mistaken stepping of automobile accelerator pedal |
| CN114851843A (en) * | 2022-03-11 | 2022-08-05 | 湖北文理学院 | Automobile accelerator mistaken stepping prevention control device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117029A (en) * | 2017-05-08 | 2017-09-01 | 李星辉 | A kind of control method for preventing that throttle from stepping on by mistake |
| CN107627844A (en) * | 2017-09-13 | 2018-01-26 | 无锡商业职业技术学院 | A kind of novel emergency brakes accelerator stepping misoperation preventing device |
| CN109703537B (en) * | 2017-10-26 | 2021-05-14 | 郑州宇通客车股份有限公司 | Vehicle and auxiliary braking method, device and system thereof |
| CN111252045A (en) * | 2018-11-30 | 2020-06-09 | 北汽福田汽车股份有限公司 | Vehicle control method and device, computer readable storage medium and vehicle |
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| CN114851843A (en) * | 2022-03-11 | 2022-08-05 | 湖北文理学院 | Automobile accelerator mistaken stepping prevention control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105564240B (en) | 2019-03-29 |
| CN108909451B (en) | 2021-05-18 |
| CN105564240A (en) | 2016-05-11 |
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