CN102069749B - Adaptive front lighting system (AFS) control method and device - Google Patents
Adaptive front lighting system (AFS) control method and device Download PDFInfo
- Publication number
- CN102069749B CN102069749B CN2010106107112A CN201010610711A CN102069749B CN 102069749 B CN102069749 B CN 102069749B CN 2010106107112 A CN2010106107112 A CN 2010106107112A CN 201010610711 A CN201010610711 A CN 201010610711A CN 102069749 B CN102069749 B CN 102069749B
- Authority
- CN
- China
- Prior art keywords
- afs
- irradiating angle
- head lamp
- frequency
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003044 adaptive effect Effects 0.000 title abstract description 3
- 230000001678 irradiating effect Effects 0.000 claims description 68
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to an adaptive front lighting system (AFS) control method and an AFS control device. The method comprises the following steps of: counting the frequency of occurrence of a lighting angle of each AFS headlight, and acquiring the lighting angle corresponding to the frequency of occurrence exceeding a threshold; and performing control to keep the lighting of the AFS headlight in the lighting angle. The method and the device avoid the frequent resetting of the lighting angle of the AFS headlight in the stopped state of a vehicle to make more humanized the AFS headlight, reduce the frequent movement and abrasion of an AFS kinematic pair and the running times of a system, prolong the service life of the system, ensure the reliability of the AFS and save the cost; and the AFS is implemented by a simple method without greatly altering the conventional AFS, and has relatively higher practicability.
Description
Technical field
The present invention relates to the automotive lighting technical field, relate in particular to a kind of AFS control method and device.
Background technology
AFS (Adaptive Front Lighting System; Self-adaptive headlamp system) is meant and changes two or more smooth types automatically to adapt to the head lamp system that the vehicle ' condition changes; When vehicle ' at bend, at a high speed, under the rural area, situation such as city and adverse weather; Can carry out the self adaptation adjustment according to the actual state of track, to improve the illuminating effect of head light.
When vehicle launch, because driver's weight itself makes vehicle lean forward, the irradiating angle of corresponding AFS head lamp is done suitable adjustment; And this irradiating angle value is relevant with the angle that vehicle leans forward, and promptly the identity information with the driver is relevant.And shut down under the flameout state at vehicle, the irradiating angle of AFS head lamp makes zero.
Like this, during each vehicle launch, the irradiating angle of AFS head lamp is adjusted accordingly, and each shut down flame-out after, the irradiating angle of AFS head lamp makes zero.
But; For the driver of common identity information; The irradiating angle of AFS head lamp is consistent basically when vehicle launch; Therefore, shut down the irradiating angle that can keep the AFS head lamp after flame-out, so that when vehicle launch next time, need not the irradiating angle of AFS head lamp is adjusted at vehicle.
In the prior art, after the vehicle shutdown is flame-out, the irradiating angle rezero operation of adjustment AFS head lamp; This has increased the frequent movement of AFS kinematic pair; Can't ensure the reliability of AFS, and the action of AFS head lamp irradiating angle rezeroed frequency is bigger to resource consumption, has increased the wearing and tearing of system; Reduce the life-span of system, and do not utilized the saving cost.
Summary of the invention
The object of the present invention is to provide a kind of AFS control method and device, avoided the rezeroed frequency operation of AFS head lamp irradiating angle under the vehicle stopped status, make the hommization more of AFS head lamp.
Concrete technical scheme is following:
A kind of AFS control setup comprises statistic unit, judging unit and control unit; Said statistic unit connection judgment unit, it is used to add up the frequency of AFS head lamp irradiating angle, and said judging unit connects control unit; It is used to judge whether the said frequency of said statistic unit statistics surpasses predetermined threshold value; Said control unit is used to control the maintenance of the irradiating angle of said AFS head lamp, and/or changes, and/or makes zero.
Further, also comprise acquiring unit, it is connected with said statistic unit, is used at vehicle launch and is under the idling mode, obtains the irradiating angle value of AFS head lamp.
Further; Said acquiring unit connection statistics unit and the irradiating angle value that can send the AFS head lamp that is obtained to it; Said statistic unit connection judgment unit also can send the frequency of its statistics to it, and said judging unit connects control unit and can send judged result for being or denying to it.
The AFS control method adopts following steps:
(1) frequency of statistics AFS head lamp irradiating angle;
(2) judge whether said frequency surpasses predetermined threshold value;
(3) when judged result when being, obtain above the cooresponding said irradiating angle of the said frequency of predetermined threshold value, and control said AFS head lamp and remain on said irradiating angle.
Further, also comprise step (4) when judged result for not the time, the irradiating angle of controlling said AFS head lamp makes zero.
Further, step (1) further is the frequency of AFS head lamp irradiating angle under the calculating vehicle idling mode in predetermined period.
Further, the preceding step that also comprises of step (1): at vehicle launch and be under the idling mode, obtain the irradiating angle value of AFS head lamp.
Further, step (3) further is that under stopped status, the irradiating angle of controlling said AFS head lamp is for surpassing the cooresponding said irradiating angle of frequency of predetermined threshold value.
Further, when vehicle launch and be under the idling mode, obtain the irradiating angle of AFS head lamp and the frequency of statistics irradiating angle in predetermined period.
Further, the scope that is provided with of said threshold value is greater than 50%.
Compared with prior art, the present invention has avoided the rezeroed frequency operation of AFS head lamp irradiating angle under the vehicle stopped status, makes the hommization more of AFS head lamp; Reduce the frequent movement of AFS kinematic pair, reduced the number of run of system, reduced the wearing and tearing of kinematic pair; Prolonged the service life of system, guaranteed the reliability of AFS and practiced thrift cost, implementation method is simple; Need not existing AFS is carried out big change, practicality is wider.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of AFS control method of the present invention's proposition.
Fig. 2 is the structural representation of a kind of AFS control setup of the present invention's proposition.
The specific embodiment
The present invention proposes a kind of AFS control method and device, at vehicle launch and be under the idling mode, obtain the irradiating angle value of AFS head lamp, the frequency of occurrences of each AFS head lamp irradiating angle in the statistics predetermined period; Obtain the pairing irradiating angle of the frequency of occurrences that surpasses threshold value, when the vehicle stopped status, control said AFS head lamp and remain on said irradiating angle; When the frequency of occurrences of each AFS head lamp irradiating angle was lower than predetermined threshold value, the irradiating angle of when the vehicle stopped status, controlling said AFS head lamp made zero.
As shown in Figure 1, the schematic flow sheet of a kind of AFS control method that proposes for the present invention, this method may further comprise the steps:
Step s101, the frequency of occurrences of adding up each AFS head lamp irradiating angle is obtained above the pairing irradiating angle of the frequency of occurrences of threshold value.
Concrete, at vehicle launch and be under the idling mode, obtain the irradiating angle value of AFS head lamp, the frequency of occurrences of each AFS head lamp irradiating angle in the statistics predetermined period.
According to the frequency of occurrences threshold value of AFS head lamp irradiating angle, obtain above the pairing irradiating angle of the frequency of occurrences of threshold value, wherein, the frequency of occurrences threshold value of this AFS head lamp irradiating angle is greater than 50%.
Step s201 controls said AFS head lamp and remains on said irradiating angle.
In this step,, when the vehicle stopped status, control said AFS head lamp and remain on said irradiating angle according to the pairing irradiating angle of the frequency of occurrences that surpasses threshold value that step s101 obtains.
When the frequency of occurrences of each AFS head lamp irradiating angle was lower than predetermined threshold value, the irradiating angle of when the vehicle stopped status, controlling said AFS head lamp made zero.
A kind of AFS control method that the application of the invention proposes has been avoided the rezeroed frequency operation of AFS head lamp irradiating angle under the vehicle stopped status, makes the hommization more of AFS head lamp; Reduce the frequent movement of AFS kinematic pair, reduced the number of run of system, reduced the wearing and tearing of kinematic pair; Prolonged the service life of system, guaranteed the reliability of AFS and practiced thrift cost, implementation method is simple; Need not existing AFS is carried out big change, practicality is wider.
Below, through concrete application scenarios a kind of AFS control method that the present invention proposes is descended to specify.
As shown in Figure 2, for the present invention proposes a kind of structural representation of AFS control setup, comprise statistic unit 10, acquiring unit 20 and control unit 30, wherein,
Obtain Unit 20, be connected, be used to obtain above the pairing irradiating angle of the frequency of occurrences of threshold value with statistic unit 10;
Concrete, statistic unit 10 specifically is used for, and at vehicle launch and be under the idling mode, obtains the irradiating angle value of AFS head lamp, the frequency of occurrences of each AFS head lamp irradiating angle in the statistics predetermined period.
AFS control method and device that the application of the invention proposes have been avoided the rezeroed frequency operation of AFS head lamp irradiating angle under the vehicle stopped status, make the hommization more of AFS head lamp; Reduce the frequent movement of AFS kinematic pair, reduced the number of run of system, reduced the wearing and tearing of kinematic pair; Prolonged the service life of system, guaranteed the reliability of AFS and practiced thrift cost, implementation method is simple; Need not existing AFS is carried out big change, practicality is wider.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; Or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. an AFS control setup is characterized in that, comprises statistic unit; Judging unit and control unit, said statistic unit connection judgment unit, it is used to add up the frequency of occurrences of AFS head lamp irradiating angle; Said judging unit connects control unit, and it is used to judge whether said frequency of said statistic unit statistics surpasses predetermined threshold value, and said control unit is used to control the maintenance of the irradiating angle of said AFS head lamp; And/or change, and/or make zero.
2. AFS control setup as claimed in claim 1 is characterized in that, also comprises acquiring unit, and it is connected with said statistic unit, is used at vehicle launch and is under the idling mode, obtains the irradiating angle value of AFS head lamp.
3. according to claim 1 or claim 2 AFS control setup; It is characterized in that; Said acquiring unit connection statistics unit and the irradiating angle value that can send the AFS head lamp that is obtained to it; Said statistic unit connection judgment unit also can send the frequency of its statistics to it, and said judging unit connects control unit and can send judged result for being or denying to it.
4. like the control method of each said AFS control setup among the claim 1-3, it is characterized in that, adopt following steps:
(1) frequency of occurrences of statistics AFS head lamp irradiating angle;
(2) judge whether said frequency surpasses predetermined threshold value;
(3) when judged result when being, obtain above the cooresponding said irradiating angle of the said frequency of predetermined threshold value, and control said AFS head lamp and remain on said irradiating angle.
5. like the control method of the said AFS control setup of claim 4, it is characterized in that, also comprise step (4) when judged result for not the time, the irradiating angle of controlling said AFS head lamp makes zero.
6. like the control method of the said AFS control setup of claim 5, it is characterized in that step (1) further is the frequency of occurrences of AFS head lamp irradiating angle under the calculating vehicle idling mode in predetermined period.
7. like the control method of the said AFS control setup of claim 4, it is characterized in that step (1) is preceding to comprise that also step (1-1) at vehicle launch and be under the idling mode, obtains the irradiating angle value of AFS head lamp.
8. like the control method of the said AFS control setup of claim 4, it is characterized in that step (3) further is that under stopped status, the irradiating angle of controlling said AFS head lamp is for surpassing the cooresponding said irradiating angle of frequency of predetermined threshold value.
9. like the control method of the said AFS control setup of claim 4, it is characterized in that, when vehicle launch and be under the idling mode, obtain the irradiating angle of AFS head lamp and the frequency of occurrences of statistics irradiating angle in predetermined period.
10. like the control method of the said AFS control setup of claim 4, it is characterized in that the scope that is provided with of said threshold value is greater than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106107112A CN102069749B (en) | 2010-12-29 | 2010-12-29 | Adaptive front lighting system (AFS) control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106107112A CN102069749B (en) | 2010-12-29 | 2010-12-29 | Adaptive front lighting system (AFS) control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069749A CN102069749A (en) | 2011-05-25 |
| CN102069749B true CN102069749B (en) | 2012-11-28 |
Family
ID=44028573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106107112A Active CN102069749B (en) | 2010-12-29 | 2010-12-29 | Adaptive front lighting system (AFS) control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102069749B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874172B (en) * | 2012-10-16 | 2014-10-08 | 北京经纬恒润科技有限公司 | Control method and control device for adaptive front-lighting system (AFS) actuator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006031678A1 (en) * | 2006-07-08 | 2008-01-17 | Hella Kgaa Hueck & Co. | Roadway condition determining device for use in control device for adaptive headlight system, has unit for determining class for which largest frequency of occurrence of changes of height position is determined during time interval |
| CN101249814A (en) * | 2008-03-26 | 2008-08-27 | 张承青 | Automobile headlamp position follower control method and multi-stage stepping position follower headlamp system |
| CN101823458A (en) * | 2010-03-19 | 2010-09-08 | 奇瑞汽车股份有限公司 | Fault treating method of self-adaptive headlamp system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4255370B2 (en) * | 2003-12-15 | 2009-04-15 | 株式会社小糸製作所 | Vehicle lighting device |
| JP2005329815A (en) * | 2004-05-20 | 2005-12-02 | Ichikoh Ind Ltd | Vehicle lighting device |
| JP2006001459A (en) * | 2004-06-18 | 2006-01-05 | Stanley Electric Co Ltd | Variable light distribution type headlamp |
-
2010
- 2010-12-29 CN CN2010106107112A patent/CN102069749B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006031678A1 (en) * | 2006-07-08 | 2008-01-17 | Hella Kgaa Hueck & Co. | Roadway condition determining device for use in control device for adaptive headlight system, has unit for determining class for which largest frequency of occurrence of changes of height position is determined during time interval |
| CN101249814A (en) * | 2008-03-26 | 2008-08-27 | 张承青 | Automobile headlamp position follower control method and multi-stage stepping position follower headlamp system |
| CN101823458A (en) * | 2010-03-19 | 2010-09-08 | 奇瑞汽车股份有限公司 | Fault treating method of self-adaptive headlamp system |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2005-170340A 2005.06.30 |
| JP特开2005-329815A 2005.12.02 |
| JP特开2006-1459A 2006.01.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102069749A (en) | 2011-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2012147296A (en) | METHOD OF IMPROVING THE BRAKE PEDAL | |
| CN102069749B (en) | Adaptive front lighting system (AFS) control method and device | |
| CN105208723A (en) | Street lamp intelligent control method and control system thereof | |
| CN102968655A (en) | Operating frequency adjusting method and circuit for contactless card chip | |
| CN109519287B (en) | Engine idling control method and system and vehicle | |
| CN105246208A (en) | Streetlight monitoring control method and system | |
| CN204206566U (en) | Based on the energy-saving control system for roam lamp of Real-Time Traffic Volume | |
| CN112412631A (en) | Acceleration process control method with self-braking function | |
| MX2017015372A (en) | A method of operating an engine assembly. | |
| CN104213953A (en) | Vehicle second-level oil pump control system and method | |
| CN106114495A (en) | A kind of hybrid vehicle and electromotor halt control method thereof | |
| CN106938656B (en) | Train operation auxiliary system based on train power supply network monitor information | |
| CN101067473A (en) | Gas filling substation additional high-pressure gas-filling method and device | |
| BRPI0419216A (en) | method and system for reducing fuel consumption in a diesel engine | |
| CN203230898U (en) | Common-rail fuel pressure limiting valve | |
| CN117588322A (en) | A surge control method, device and electronic equipment | |
| CN110708839A (en) | Energy-saving lighting control method and system in the middle section of tunnel based on vehicle position monitoring | |
| CN104595049A (en) | Dual fuel engine transient torque compensation system, compensation method and vehicle | |
| CN210234952U (en) | Automatic control system of energy-saving vehicle based on STM32 | |
| CN106939999A (en) | Efficient energy-saving street lamp | |
| CN202743127U (en) | Self-adaptation car light control system | |
| CN106555968A (en) | A kind of automobile lamp light modulation structure | |
| CN207555493U (en) | A kind of embedded warning lamp | |
| CN201991629U (en) | Cylinder sleeve convenient to install piston | |
| CN209938550U (en) | Self-adaptive system of unattended car washer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |