CN103832280B - A kind of spacing control system and method for vehicle - Google Patents
A kind of spacing control system and method for vehicle Download PDFInfo
- Publication number
- CN103832280B CN103832280B CN201210475616.5A CN201210475616A CN103832280B CN 103832280 B CN103832280 B CN 103832280B CN 201210475616 A CN201210475616 A CN 201210475616A CN 103832280 B CN103832280 B CN 103832280B
- Authority
- CN
- China
- Prior art keywords
- vehicle
- current vehicle
- away
- spacing
- 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
Landscapes
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of spacing control system and method for vehicle.The system includes vehicle speed sensor, for detecting current vehicle speed；First spacing detection means, for detect the current vehicle between the vehicle and front vehicles away from；And control device, for according to the current vehicle speed and the critical safety distance scope corresponding to various speeds for prestoring, it is determined that the critical safety distance scope corresponding with the current vehicle speed, and when the current vehicle is away from the upper limit less than or equal to the critical safety distance scope, control the engine retard of the vehicle.Vehicle reduction of speed can be automatically controlled by controlling engine retard by the system, so as to increased the safety of vehicle traveling.
Description
Technical field
The present invention relates to a kind of spacing control system and method for vehicle.
Background technology
With the popularization of automobile, people enjoy that automobile brings it is a variety of convenient while, also constantly pursuing automobile peace
The improvement of full technology.Automotive safety technology mainly includes two aspects, is on the one hand active safety technologies, is on the other hand passive
Safe practice.There is accident for preventing car, it is to avoid the safe design that personnel come to harm and take, referred to as active safety sets
Meter.Automobile distance early warning system is exactly a kind of active safety design.
For the vehicle travelled on expressway, speed, safe distance, the state of driver are the main hidden of motor-vehicle accident
Suffer from, the safe distance of car and car, car and barrier how is guaranteed in running at high speed, slowed down in time, stop and is taken and keep away accordingly
Measure is allowed to be the effective measures for reducing vehicle accident.In the case of driver's driving tired out or Getting Started, with greater need for one kind
Aid system carries out spacing early warning and aids in car load Driving control.
Existing spacing early warning system is a set of autonomous system, including range finding probe, host computer and buzzer.Range finding is visited
Head carries out spacing detection and related data is inputed to host computer, and computer is analyzed to data, when spacing is less than default peace
During full spacing, buzzer warning reminds driver to carry out spacing control.This spacing prior-warning device can only be played reminds this car to drive
The effect of the person of sailing, and vehicle running state can not be automatically adjusted according to spacing situation at that time.
The content of the invention
It is an object of the invention to provide a kind of spacing control system and method, so as to be entered to speed according to spacing situation
Row adjust automatically.
To achieve these goals, the present invention provides a kind of spacing control system for vehicle, and the system includes：Speed
Sensor, for detecting current vehicle speed；First spacing detection means, it is current between the vehicle and front vehicles for detecting
Spacing；And control device, for according to the current vehicle speed and the criticality safety corresponding to various speeds for prestoring
Spacing scope, it is determined that the critical safety distance scope corresponding with the current vehicle speed, and in the current vehicle away from being less than or equal to
During the upper limit of the critical safety distance scope, the engine retard of the vehicle is controlled.
To achieve these goals, the present invention also provides a kind of spacing control method for vehicle, and the method includes：It is logical
Cross vehicle speed sensor detection current vehicle speed；Detect current between the vehicle and front vehicles by the first spacing detection means
Spacing；And control device is according to the current vehicle speed and the critical safety distance model corresponding to various speeds for prestoring
Enclose, it is determined that the critical safety distance scope corresponding with the current vehicle speed, and in the current vehicle away from facing less than or equal to described
During the upper limit of boundary's safe distance between vehicles scope, the engine retard of the vehicle is controlled.
By above-mentioned technical proposal, control device is right according to spacing, this car current vehicle speed and current vehicle speed institute between vehicle
The critical safety distance scope answered, current vehicle away from less than or equal to critical safety distance scope the upper limit when, control vehicle send out
Motivation is slowed down, and so avoids the danger that driver's reaction may cause not in time, so as to substantially increase vehicle traveling
Safety.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the block diagram of the spacing control system for vehicle of the invention；And
Fig. 2 is between speed and early warning spacing, safe distance between vehicles and default spacing according to one embodiment of the present invention
Relation schematic diagram.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
Fig. 1 illustrates the block diagram of the spacing control system for vehicle of the invention.The system includes：Bus- Speed Monitoring is filled
101 are put, which can be fixedly mounted on change speed gear box, for detecting current vehicle speed, the vehicle speed detector device 101 can be such as Hall
The known suitable element of effect type sensor；First spacing detection means 102, can be by being fixedly mounted at vehicle
Front insurance shoulder or other suitable locations, for detect the current vehicle between this car and front car amount away from；Control device 100, with
Vehicle speed detector device 101 and the first spacing detection means 102 connect, for by controlling engine retard to reduce speed.
In vehicle travel process, the detection current vehicle speed of vehicle speed detector device 101, and it is sent to control device 100；
First spacing detection means 102 detects the spacing between this car and front vehicles, and is sent to control device 100；Control
The critical safety distance scope corresponding to multiple speeds is prestored in device 100, control device 100 is obtained according to current vehicle speed
Current critical safety distance scope, current vehicle away from more than critical safety distance scope the upper limit when, represent now Ben Che with
It is in a safe condition between front vehicles, and current vehicle away from less than or equal to critical safety distance scope the upper limit when, control
Device 100 controls engine retard.
Preferably, the control device 100 in system can be by controlling air throttle（It is not shown）To control engine retard.
The air throttle is fixedly installed on engine air inlet tube.Spacing between Current vehicle and front vehicles is less than or equal to and faces
During the upper limit of boundary's safe distance between vehicles scope, the motor on air throttle reduces air throttle according to the signal that control device 100 sends
The aperture of valve block, so as to reduce air capacity into electromotor so that engine retard, so that Ben Che and front vehicles
Spacing can return to the upper limit more than critical safety distance scope, when recovery is to the upper limit more than critical safety distance scope
Afterwards, control device 100 stops the above-mentioned control reduced to air throttle valve block aperture, and vehicle performance is reverted to according to driver intention
The state being controlled.In addition, when control device 100 is by controlling air throttle with automatic retarding, if brake pedal
It is operated to be braked, the signal that regenerative braking pedal is operated by pedal position sensor to control device 100, control dress
The above-mentioned control reduced to air throttle valve block aperture of 100 stoppings is put, vehicle performance is reverted to and is controlled according to driver intention
State.
Preferably, the system can also include alarm lamp（It is not shown）, which is arranged in this car driver's seat, current
When spacing is more than the upper limit of critical safety distance scope, control device 100 controls the green light Chang Liang of alarm lamp, in current vehicle away from place
When in the range of critical safety distance, the green light flicker of the control alarm lamp of control device 100, and in current vehicle away from being less than or equal to
During the lower limit of critical safety distance scope, the red light of the control alarm lamp of control device 100 is lighted, and while controls buzzer report
It is alert, it is preferable that buzzer and alarm lamp can be integrated on same part.
Preferably, the system also includes the second spacing detection means 103, can be fixedly mounted on the rear bumper of vehicle
On, for detecting the spacing between this car and front vehicle, and control device 100 being sent to, control device 100 is according to this
The current vehicle speed of car obtains current critical safety distance scope, in current vehicle away from upper less than or equal to critical safety distance scope
In limited time, green light is glittering to remind driver, driver clear by modes such as lane changes, current vehicle away from less than or
Equal to critical safety distance scope lower limit when, red light is lighted to remind driver to take corresponding measure, and control device
100 control Brake lamps are lighted, and control microphone（May be mounted at the afterbody of this car）Rearward vehicle ring is reminded.
Preferably, above-mentioned first spacing detection means 102 can be Microwave emission reception device.When the detection of the first spacing is filled
After putting the 102 Microwave emission signals for receiving control device 100, received signal is radiated in space, is met in signal
During to target, the portion of energy being reflected back is received by the first spacing detection means 102 as echo-signal, the inspection of the first spacing
Survey device 102 and the echo-signal is sent to into control device 100 again, due to frequency and the microwave letter launched before of echo-signal
Number frequency between have differences, so echo-signal can be mixed by control device 100 with reference signal, with poor
Frequency signal, the frequency of difference frequency signal and being directly proportional apart from R between Microwave emission reception device and target, control device 100 can be with
Determined apart from R by the frequency of measure difference frequency signal, so as to obtain the spacing between this car and front vehicles.Similar, the
Two spacing detection means 103 can also be Microwave emission reception device, and equally can according to said process determine this car with it is rear
Spacing between square vehicle.
Fig. 2 shows the relation between speed and early warning spacing, safe distance between vehicles and default spacing.According to《The Chinese people
Republic's law on road traffic safety》Regulation：Motor vehicles are travelled on a highway, when speed is more than 100 kilometers per hour, safety
Spacing is more than 100 meters；When speed is less than 100 kilometers per hour, minimum safe spacing must not be less than 50 meters.Carried in the present invention
For system in safety critical spacing can be set to above-mentioned safe distance between vehicles, default spacing is set to safe distance between vehicles plus peace
The certain proportion of full spacing（Such as 20%）, and early warning spacing could be arranged to the certain proportion that safe distance between vehicles deducts safe distance between vehicles（Such as
10%）.The scope that will be greater than early warning spacing and be less than or equal between default spacing is used as in critical safety distance scope, i.e. Fig. 2
B regions, to preset spacing, and lower limit early warning spacing, then c regions are and are less than or equal to the upper limit of the critical safety distance scope
The spacing scope of early warning spacing, and a regions are the spacing scope more than default spacing.So when current vehicle is away from a regions,
Control device 100 controls the green light Chang Liang of alarm lamp, when current vehicle is away from b regions, controls the green light flicker of alarm lamp,
When current vehicle is away from c regions, the red light for controlling alarm lamp is lighted, and in current vehicle away from less than or equal to criticality safety car
During the upper limit away from scope, the control engine retard of control device 100.It should be appreciated by those skilled in the art, aforesaid way sets
It is one embodiment of the present invention to determine safe distance between vehicles, early warning spacing, default spacing and critical safety distance scope, ability
The technical staff in domain can also determine above-mentioned spacing by other means, set safety such as according to the maximum stopping power of vehicle
Spacing, then arranges corresponding early warning spacing, default spacing and critical safety distance scope according to the safe distance between vehicles.
By the spacing control system and method for vehicle provided by the present invention, realize in dangerous situation
In can reduce speed by controlling engine retard, while remind to this car driver, and also can be to rear car
Driver is reminded, the level of integrated system height, fast response time, practical, substantially increases the safety of vehicle traveling
Property.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any between a variety of embodiments of the present invention, can also be carried out, as long as which is without prejudice to this
The thought of invention, which should equally be considered as content disclosed in this invention.
Claims (8)
1. a kind of spacing control system for vehicle, the system include：
Vehicle speed sensor, for detecting current vehicle speed；
First spacing detection means, for detect the current vehicle between the vehicle and front vehicles away from；
Control device, for according to the current vehicle speed and the critical safety distance model corresponding to various speeds for prestoring
Enclose, it is determined that the critical safety distance scope corresponding with the current vehicle speed, and in the current vehicle away from facing less than or equal to described
During the upper limit of boundary's safe distance between vehicles scope, the engine retard of the vehicle is controlled；And
Air throttle, for controlling the air inflow of the electromotor,
The control device by control the air throttle valve block aperture controlling the engine retard,
Wherein, the control device stops by controlling the air throttle when the signal that brake pedal is operated is received
The aperture of valve block is controlling the engine retard.
2. system according to claim 1, wherein, the system also includes：
Second spacing detection means, for detect the current vehicle between the vehicle and front vehicle away from,
The control device is additionally operable to the current vehicle between the vehicle and front vehicle away from less than or equal to the critical peace
During the upper limit of full spacing scope, control Brake lamp is lighted, to remind front vehicle.
3. system according to claim 2, wherein, the system also includes：
Microphone,
The control device is additionally operable to the current vehicle between the vehicle and front vehicle away from less than or equal to the critical peace
During the upper limit of full spacing scope, the microphone rearward car alarming is controlled.
4. the system according to any one of claim 1-3 claim, wherein, the system also includes：
Alarm lamp, in this car driver's seat,
The control device is additionally operable to when the current vehicle is away from the range of the critical safety distance, controls the green of alarm lamp
Lamp flashes, to remind this car driver；The current vehicle away from less than or equal to the critical safety distance scope lower limit when,
The red light of control alarm lamp is lighted, to remind this car driver.
5. a kind of spacing control method for vehicle, the method include：
Detection current vehicle speed；
Detect current vehicle between the vehicle and front vehicles away from；And
According to the current vehicle speed and the critical safety distance scope corresponding to various speeds for prestoring, it is determined that with deserve
The corresponding critical safety distance scope of front speed, and in the current vehicle away from less than or equal to the critical safety distance scope
The upper limit when, control the engine retard of the vehicle,
Wherein, by control air throttle valve block aperture controlling the engine retard,
When the signal that brake pedal is operated is received, stopping is by the aperture of the valve block of the control air throttle to control
State engine retard.
6. method according to claim 5, wherein, the method also includes：
Detect current vehicle between the vehicle and front vehicle away from,
Current vehicle between the vehicle and front vehicle away from less than or equal to the critical safety distance scope the upper limit when,
Control Brake lamp is lighted, to remind front vehicle.
7. method according to claim 6, wherein, the method also includes：
Current vehicle between the vehicle and front vehicle away from less than or equal to the critical safety distance scope the upper limit when,
Control microphone rearward car alarming.
8. the method according to any one of claim 5-7 claim, wherein, the method also includes：
When the current vehicle is away from the range of the critical safety distance, the green light flicker of alarm lamp is controlled, to remind this car
Driver；The current vehicle away from less than or equal to the critical safety distance scope lower limit when, control alarm lamp red light
Light, to remind this car driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475616.5A CN103832280B (en) | 2012-11-21 | 2012-11-21 | A kind of spacing control system and method for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210475616.5A CN103832280B (en) | 2012-11-21 | 2012-11-21 | A kind of spacing control system and method for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103832280A CN103832280A (en) | 2014-06-04 |
| CN103832280B true CN103832280B (en) | 2017-04-05 |
Family
ID=50796291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210475616.5A Active CN103832280B (en) | 2012-11-21 | 2012-11-21 | A kind of spacing control system and method for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103832280B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109406A (en) * | 2015-09-21 | 2015-12-02 | 上海碧虎网络科技有限公司 | Rear-end collision prevention image projection and display safety system and processing method thereof |
| CN105270176B (en) * | 2015-10-29 | 2018-05-25 | 郑州宇通客车股份有限公司 | A kind of safe distance between vehicles keeps control method and a kind of safe distance between vehicles to keep control system |
| WO2017124539A1 (en) * | 2016-01-24 | 2017-07-27 | 吴晓敏 | Information pushing method during determining of safe following distance and safe following distance system |
| DE102017200318A1 (en) * | 2017-01-11 | 2018-07-12 | Robert Bosch Gmbh | Method and device for limiting the speed of a motor vehicle during a starting process |
| US10507813B2 (en) * | 2017-05-10 | 2019-12-17 | Baidu Usa Llc | Method and system for automated vehicle emergency light control of an autonomous driving vehicle |
| CN110803164B (en) * | 2018-08-02 | 2021-04-20 | 长城汽车股份有限公司 | Vehicle distance control method and system of fleet and vehicle |
| CN109677389B (en) * | 2018-12-26 | 2020-06-02 | 潍柴动力股份有限公司 | In-cylinder brake failure detection method and device |
| CN111497738A (en) * | 2020-04-28 | 2020-08-07 | 一汽奔腾轿车有限公司 | Vehicle reminding and warning system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102463951A (en) * | 2011-09-07 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal collision mitigating system and control method |
| CN202413785U (en) * | 2011-12-15 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Rear-end-resistant automatic protecting system |
| CN102673544A (en) * | 2011-03-15 | 2012-09-19 | 富士重工业株式会社 | Vehicle driving support apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565883A (en) * | 2003-06-11 | 2005-01-19 | 钱晨 | Automatic ranging and warning device for automobile |
| JP2005126060A (en) * | 2003-09-30 | 2005-05-19 | Autoliv Development Ab | Apparatus for judging danger of rear end collision |
| FR2888536B1 (en) * | 2005-07-18 | 2007-12-14 | Peugeot Citroen Automobiles Sa | METHOD AND DEVICE FOR LIMITING THE INTERVIEW TIME |
| CN102756730B (en) * | 2012-07-26 | 2017-10-31 | 深圳市赛格导航科技股份有限公司 | A kind of anti-collision device for automobile detected based on millimeter wave, system and method |
-
2012
- 2012-11-21 CN CN201210475616.5A patent/CN103832280B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673544A (en) * | 2011-03-15 | 2012-09-19 | 富士重工业株式会社 | Vehicle driving support apparatus |
| CN102463951A (en) * | 2011-09-07 | 2012-05-23 | 浙江吉利汽车研究院有限公司 | Automobile longitudinal collision mitigating system and control method |
| CN202413785U (en) * | 2011-12-15 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Rear-end-resistant automatic protecting system |
Non-Patent Citations (1)
| Title |
|---|
| 汽车智能控制关键技术研究;吕刚;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20120715;第40-56页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103832280A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103832280B (en) | A kind of spacing control system and method for vehicle | |
| CN105835879B (en) | Vehicle running control device | |
| CN105984447B (en) | To anticollision automatic emergency brake system and method before vehicle based on machine vision | |
| WO2016049812A1 (en) | Automatic parking warning system | |
| CN103612599B (en) | A kind of vehicle alarming system | |
| CN107336707A (en) | Control method, system and the vehicle of vehicle | |
| CN102774378A (en) | Vehicle rear-end collision warning and protecting method and system | |
| CN106080602A (en) | A kind of emergency control method of lie vehicle unexpected lane change when tackling fatigue driving | |
| CN107878308A (en) | A kind of method that pre- anti-vehicle is knocked into the back | |
| JP6867770B2 (en) | Vehicle travel control device | |
| CN204249904U (en) | A kind of vehicle lane-changing assists prior-warning device | |
| CN107618508A (en) | A kind of Vehicular intelligent brake system and its method of work | |
| CN205113138U (en) | Car anticollision people safety coefficient and car | |
| CN104859610B (en) | Controller, system and method for vehicle assistant drive | |
| CN206501779U (en) | A kind of early warning system of preventing collision | |
| CN103465886A (en) | Intelligent protection safety device for reducing casualty risks caused by automobile collision | |
| JPH082285A (en) | Traffic signal-interlocked vehicle speed control device | |
| KR101458695B1 (en) | Method for preventing accidents of parking vehicles | |
| CN204472885U (en) | Discretionary security control system under automobile turning operating mode | |
| CN206938592U (en) | It is a kind of that there is the actively automotive control system of brake and safety tail lamp | |
| CN103085712A (en) | Anticollision automatic control device for automobile | |
| CN108216216A (en) | A kind of control method for vehicle and device and vehicle | |
| JP2000149198A (en) | Walker detection system for vehicle | |
| CN106601028B (en) | A kind of vehicle modified line based reminding method and vehicle modified line system for prompting | |
| US10661707B2 (en) | Auxiliary lighting system and method for providing an indicator or brake magnitude on a vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180511 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co., Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: Beiqi Futian Automobile Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191022 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co., Ltd. |