CN108973854A - For preventing the system and method for vehicle traffic accident - Google Patents
For preventing the system and method for vehicle traffic accident Download PDFInfo
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- CN108973854A CN108973854A CN201810685418.9A CN201810685418A CN108973854A CN 108973854 A CN108973854 A CN 108973854A CN 201810685418 A CN201810685418 A CN 201810685418A CN 108973854 A CN108973854 A CN 108973854A
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- 206010039203 Road traffic accident Diseases 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011897 real-time detection Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 16
- 238000003331 infrared imaging Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0953—Predicting travel path or likelihood of collision the prediction being responsive to vehicle dynamic parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of for preventing the system and method for vehicle traffic accident, wherein method calculates according to weight and speed the kinetic energy of vehicle comprising steps of the weight and speed of real-time detection vehicle and the leading vehicle distance of vehicle front；After the safe distance between vehicles for calculating vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, judge whether leading vehicle distance is less than safe distance between vehicles, and when determining leading vehicle distance less than safe distance between vehicles, prompts driver's reduction of speed；Judge whether car speed reduces, and after determining speed and not reducing, force the speed for reducing vehicle, until leading vehicle distance is greater than safe distance between vehicles.The present invention calculates the safe distance of vehicle by the momentum and brake parameters of vehicle, and safe distance is calculated according to the actual conditions of vehicle, keep safe distance more accurate, deceleration rear vehicle is prompted not slow down also detecting, then actively force the speed of reduction vehicle, the active safety for effectively improving automobile, can be widely applied to technical field of vehicle safety.
Description
Technical field
The present invention relates to technical field of vehicle safety more particularly to a kind of systems and side for preventing vehicle traffic accident
Method.
Background technique
As social economy continues to develop, people's living standard is stepped up, automobile at daily life main traffic
Tool, and in by the end of March, 2017 by, vehicle guaranteeding organic quantity breaks through 300,000,000 for the first time, and wherein car ownership is for the first time more than 200,000,000,
Motor vehicle driving number alreadys exceed 3.64 hundred million people.The people of driving is more, and the traffic accident of road is also inevitably all more
Get up.Information is announced in current research report display: 2017 year traffic accidents cause death number about 6.3 ten thousand, and 2016 connect altogether
Report road traffic accident 864.3 ten thousand increases by 65.9 ten thousand on year-on-year basis, rises 16.5%.Wherein, the road for being related to casualties is handed over
Interpreter's event 212846 causes 63093 people death, 226430 people injured, and 12.1 hundred million yuan of direct property loss.Road traffic accident
The death rate is 2.14, rises 2.9% on year-on-year basis.If do not taken action persistently, it is contemplated that will become to the year two thousand thirty road traffic accident
The seventh-largest cause of the death.It is greatly because (dense fog, heavy rain, haze) weather is former in etesian numerous traffic accidents
Cause or night running etc., will affect the sight of driver and the understanding to Chinese herbaceous peony situation, easily traffic accident are caused to make.
Present vehicle prevention system mainly detects spacing by range finder, and is less than preset safe distance between vehicles in detection spacing
Afterwards, driver is reminded, this preset safe distance cannot be set according to the actual conditions of vehicle, with the loading capacity on vehicle
Increase, the length of safe distance can be directly influenced, so this week preset safe distance can not accurately preset real peace
Full distance.In addition, this alarm can only be played the role of reminding driver, and cannot be according to spacing situation at that time to vehicle row
The state of sailing is automatically adjusted, to avoid traffic accident.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide one kind be capable of adjust automatically speed for preventing
The system of vehicle traffic accident.
It is a further object of the present invention to provide the sides for being used to prevent vehicle traffic accident that one kind is capable of adjust automatically speed
Method.
The technical scheme adopted by the invention is that:
For preventing the system of vehicle traffic accident, including the calculating of Weight acquisition module, Bus- Speed Monitoring module, vehicle energy
Module, spacing detection module, system controller, cue module and pressure brake module, the vehicle energy computing module
Connect respectively with Weight acquisition module and Bus- Speed Monitoring module, the system controller respectively with vehicle energy computing module, vehicle
Away from detection module, cue module and brake module is forced to connect；
The Weight acquisition module is used for the weight of real-time detection vehicle；
The Bus- Speed Monitoring module is used for the speed of real-time detection vehicle；
The vehicle energy computing module is used to calculate the kinetic energy of vehicle in conjunction with weight and speed；
The spacing detection module is used to detect and calculate the leading vehicle distance of vehicle front；
The system controller is used to calculate the safe distance between vehicles of vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, and
When determining front truck spacing less than safe distance between vehicles, after sending warning message to reminding module, judge whether speed reduces, and
After determining speed and not reducing, brake information is sent to forcing brake module；
The cue module is for prompting driver's reduction of speed；
The speed for forcing brake module to be used to force to reduce vehicle, until leading vehicle distance is greater than safe distance between vehicles.
Further, the spacing detection module includes infrared imaging unit and distance determination unit, the range determination list
Member is connect with infrared imaging unit and system controller respectively；
Information of the infrared imaging unit for vehicle or barrier in front of collecting vehicle, and collected information is sent out
It send to distance determination unit；
The distance determination unit is used to calculate the leading vehicle distance of vehicle front according to the information received.
Further, the spacing detection module further includes signal processing unit, and the infrared imaging unit passes through at signal
Reason unit is connect with distance determination unit.
Further, the cue module is artificial voice cue module.
It further, further include flame-out module, the flame-out module is connect with system controller.
Further, the brake parameters include the friction force parameter of braking system.
It is of the present invention another solution is that
Method for preventing vehicle traffic accident, comprising the following steps:
The weight and speed of real-time detection vehicle and the leading vehicle distance of vehicle front, and calculated according to weight and speed
The kinetic energy of vehicle；
After the safe distance between vehicles for calculating vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, judge whether leading vehicle distance is small
In safe distance between vehicles, and when determining leading vehicle distance less than safe distance between vehicles, driver's reduction of speed is prompted；
Judge whether car speed reduces, and after determining speed and not reducing, forces the speed for reducing vehicle, until
Leading vehicle distance is greater than safe distance between vehicles.
Further, the step of leading vehicle distance of the real-time detection vehicle front, specifically:
After the image for acquiring vehicle front in real time using infrared imagery technique, leading vehicle distance is calculated according to the image of acquisition.
Further, further comprising the steps of:
When determining leading vehicle distance less than pre-determined distance, vehicle stall is controlled, and forces to reduce vehicle according to predetermined manner
Speed.
Further, the brake parameters include the friction force parameter of braking system.
The beneficial effects of the present invention are: the present invention calculates the safe distance of vehicle by the momentum and brake parameters of vehicle,
And safe distance is calculated according to the actual conditions of vehicle, keep the safe distance obtained more accurate, after detecting that prompt is slowed down
Vehicle does not slow down also, then actively forces the speed for reducing vehicle, complete safe moderating process, effectively improves the active peace of automobile
Quan Xing.
Detailed description of the invention
Fig. 1 is the structural block diagram of system of the present invention for preventing vehicle traffic accident；
Fig. 2 is the step flow chart of method of the present invention for preventing vehicle traffic accident.
Specific embodiment
Embodiment one
As shown in Figure 1, the system for preventing vehicle traffic accident, including Weight acquisition module, Bus- Speed Monitoring module, vehicle
Kinetic Energy Calculation module, spacing detection module, system controller, cue module and brake module is forced, the vehicle is dynamic
Can computing module connect respectively with Weight acquisition module and Bus- Speed Monitoring module, the system controller respectively with vehicle energy meter
It calculates module, spacing detection module, cue module and brake module is forced to connect；
The Weight acquisition module is used for the weight of real-time detection vehicle；
The Bus- Speed Monitoring module is used for the speed of real-time detection vehicle；
The vehicle energy computing module is used to calculate the kinetic energy of vehicle in conjunction with weight and speed；
The spacing detection module is used to detect and calculate the leading vehicle distance of vehicle front；
The system controller is used to calculate the safe distance between vehicles of vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, and
When determining front truck spacing less than safe distance between vehicles, after sending warning message to reminding module, judge whether speed reduces, and
After determining speed and not reducing, brake information is sent to forcing brake module；
The cue module is for prompting driver's reduction of speed；
The speed for forcing brake module to be used to force to reduce vehicle, until leading vehicle distance is greater than safe distance between vehicles.
The working principle of above system are as follows: pass through the weight of Weight acquisition module real-time detection vehicle, the Weight acquisition
Module uses load cell；By the speed of Bus- Speed Monitoring module real-time detection vehicle, the Bus- Speed Monitoring module is using speed
Spend sensor, such as encoder etc.；Vehicle energy computing module combination weight and speed calculate the kinetic energy of vehicle, system control
The kinetic energy of device combination vehicle and preset brake parameters calculate the safe distance between vehicles of vehicle, and the brake parameters are motor vehicle braking system
Parameter, such as wheelbase, vehicle wheel roll radius and coefficient of friction etc..Safe distance between vehicles is calculated according to the actual conditions of vehicle, is improved
The accuracy of safe distance between vehicles.The leading vehicle distance of vehicle front is detected by spacing detection module, the spacing detection module can be with
For supersonic detector, radar detector or infrared detector.Judge whether leading vehicle distance is less than safe distance between vehicles, if so,
Slowed down by prompt cue module driver, the cue module can be voice prompting, or flashing light prompt.And it is mentioning
Detect whether vehicle has slowed down after showing, if vehicle does not slow down, system controller sends brake information to forcing brake
Module forces the starting of brake module to force brake, until leading vehicle distance is greater than safe distance between vehicles, effectively improves the master of automobile
Dynamic safety.
It is further used as preferred embodiment, the spacing detection module includes infrared imaging unit and range determination list
Member, the distance determination unit are connect with infrared imaging unit and system controller respectively；
Information of the infrared imaging unit for vehicle or barrier in front of collecting vehicle, and collected information is sent out
It send to distance determination unit；
The distance determination unit is used to calculate the leading vehicle distance of vehicle front according to the information received.
The influence of both sides of the road trees, fence or barrier in order to prevent by installation and debugging, makes the infrared imaging list
First capture range is immediately ahead of vehicle, and width safely captures range for each 10cm's in vehicle width+two sides.Infrared imaging unit, Ke Yi
The quick capture to image is realized in motion process, by the camera to the figure in vision field of driver in front of vehicle driving
As being acquired.Furthermore infrared imagery technique is used, the limit of the external conditions such as dense fog, haze, heavy rain, night can be broken well
System, plays the role of more accurate, timeliness.
It is further used as preferred embodiment, the spacing detection module further includes signal processing unit, described infrared
Imaging unit is connect by signal processing unit with distance determination unit.
Vehicle in front of infrared imaging unit collecting vehicle or after the pictorial information of barrier, signal processing unit schemes acquisition
Piece information is handled, then by treated, information is sent to distance determination unit, handles signal, filters out extra make an uproar
Sound, and amplifying to signal improves distance determination unit and adjusts the distance the accuracy of measurement.
It is further used as preferred embodiment, the cue module is artificial voice cue module.
In voice prompting, the number of voice prompting is reduced to the greatest extent, only prompt when needed, reduce unnecessary language
Sound interference.
It is further used as preferred embodiment, further includes flame-out module, the flame-out module is connect with system controller.
Some accidents occur when, such as have suddenly vehicle from the side lane pass rapidly through come, and distance it is very close, by
In some lag of person's development, system controller can quickly send information to flame-out module and force brake mould at this time
Block, module of stopping working close the power of vehicle after receiving information, force brake module after receiving information, according to
Preset mode is braked, for example the mode of braking is taken to brake, and is avoided driver from coming to harm as far as possible, is greatlyd improve
Safety.
It is further used as preferred embodiment, the brake parameters include the friction force parameter of braking system.
Above system obtains relevant information as system in real time and runs foundation, so the problem of there is no lag, erroneous judgement,
The safe distance between vehicles got is more accurate.By using infrared imagery technique, dense fog, haze, heavy rain, black can be broken well
More accurate, timeliness is played the role of in the limitation of the external conditions such as night.Speed does not still have after detecting that prompt driver is slowed down
In the case where having reduction, brake is forced in automatic starting, it is ensured that leading vehicle distance is greater than safe distance between vehicles, completes safe moderating process, has
Effect ground improves the active safety of automobile, reduces traffic accident rate.
This system can be automatically into the technology section similar with other similar electronic equipment such as mobile phone, computer of power saving sleep mode
Point dormant technology is similar, has been mature technology, therefore has been not described in detail here.
Embodiment two
As shown in Fig. 2, the method for preventing vehicle traffic accident, comprising the following steps:
The leading vehicle distance of S1, the weight of real-time detection vehicle and speed and vehicle front, and according to weight and speedometer
Calculate the kinetic energy of vehicle.
Wherein, described in step S1 the step of the leading vehicle distance of real-time detection vehicle front, specifically: use infrared imaging
After technology acquires the image of vehicle front in real time, leading vehicle distance is calculated according to the image of acquisition.
After S2, the kinetic energy in conjunction with vehicle and preset brake parameters calculate the safe distance between vehicles of vehicle, judge that leading vehicle distance is
It is no to be less than safe distance between vehicles, and when determining leading vehicle distance less than safe distance between vehicles, prompt driver's reduction of speed.The brake parameters packet
Include the friction force parameter of braking system.
S3, judge whether car speed reduces, and after determining speed and not reducing, force the speed for reducing vehicle,
Until leading vehicle distance is greater than safe distance between vehicles.
The above method obtains relevant information as system in real time and runs foundation, so the problem of there is no lag, erroneous judgement,
The safe distance between vehicles got is more accurate.By using infrared imagery technique, dense fog, haze, heavy rain, black can be broken well
More accurate, timeliness is played the role of in the limitation of the external conditions such as night.Speed does not still have after detecting that prompt driver is slowed down
In the case where having reduction, brake is forced in automatic starting, it is ensured that leading vehicle distance is greater than safe distance between vehicles, completes safe moderating process, has
Effect ground improves the active safety of automobile, reduces traffic accident rate.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. the system for preventing vehicle traffic accident, which is characterized in that including Weight acquisition module, Bus- Speed Monitoring module, vehicle
Kinetic Energy Calculation module, spacing detection module, system controller, cue module and brake module is forced, the vehicle is dynamic
Can computing module connect respectively with Weight acquisition module and Bus- Speed Monitoring module, the system controller respectively with vehicle energy meter
It calculates module, spacing detection module, cue module and brake module is forced to connect；
The Weight acquisition module is used for the weight of real-time detection vehicle；
The Bus- Speed Monitoring module is used for the speed of real-time detection vehicle；
The vehicle energy computing module is used to calculate the kinetic energy of vehicle in conjunction with weight and speed；
The spacing detection module is used to detect and calculate the leading vehicle distance of vehicle front；
The system controller is used to calculate the safe distance between vehicles of vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, and is sentencing
When breaking to front truck spacing less than safe distance between vehicles, after sending warning message to reminding module, judge whether speed reduces, and judging
After not reducing to speed, brake information is sent to pressure brake module；
The cue module is for prompting driver's reduction of speed；
The speed for forcing brake module to be used to force to reduce vehicle, until leading vehicle distance is greater than safe distance between vehicles.
2. according to claim 1 for preventing the system of vehicle traffic accident, which is characterized in that the spacing detects mould
Block includes infrared imaging unit and distance determination unit, and the distance determination unit is controlled with infrared imaging unit and system respectively
Device connection；
Information of the infrared imaging unit for vehicle or barrier in front of collecting vehicle, and collected information is sent to
Distance determination unit；
The distance determination unit is used to calculate the leading vehicle distance of vehicle front according to the information received.
3. according to claim 2 for preventing the system of vehicle traffic accident, which is characterized in that the spacing detects mould
Block further includes signal processing unit, and the infrared imaging unit is connect by signal processing unit with distance determination unit.
4. according to claim 1 for preventing the system of vehicle traffic accident, which is characterized in that the cue module is
Artificial speech cue module.
5. according to claim 1 for preventing the system of vehicle traffic accident, which is characterized in that further include flame-out mould
Block, the flame-out module are connect with system controller.
6. according to claim 1 for preventing the system of vehicle traffic accident, which is characterized in that the brake parameters packet
Include the friction force parameter of braking system.
7. the method for preventing vehicle traffic accident, which comprises the following steps:
The weight and speed of real-time detection vehicle and the leading vehicle distance of vehicle front, and vehicle is calculated according to weight and speed
Kinetic energy；
After the safe distance between vehicles for calculating vehicle in conjunction with the kinetic energy of vehicle and preset brake parameters, judge whether leading vehicle distance is less than peace
Full spacing, and when determining leading vehicle distance less than safe distance between vehicles, prompt driver's reduction of speed；
Judge whether car speed reduces, and after determining speed and not reducing, the speed for reducing vehicle is forced, until front truck
Distance is greater than safe distance between vehicles.
8. according to claim 7 for preventing the method for vehicle traffic accident, which is characterized in that the real-time detection vehicle
Front leading vehicle distance the step of, specifically:
After the image for acquiring vehicle front in real time using infrared imagery technique, leading vehicle distance is calculated according to the image of acquisition.
9. according to claim 8 for preventing the method for vehicle traffic accident, which is characterized in that further include following step
It is rapid:
When determining leading vehicle distance less than pre-determined distance, vehicle stall is controlled, and forces the speed of reduction vehicle according to predetermined manner
Degree.
10. according to claim 7 for preventing the method for vehicle traffic accident, which is characterized in that the brake parameters
Friction force parameter including braking system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810685418.9A CN108973854A (en) | 2018-06-28 | 2018-06-28 | For preventing the system and method for vehicle traffic accident |
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| CN201810685418.9A CN108973854A (en) | 2018-06-28 | 2018-06-28 | For preventing the system and method for vehicle traffic accident |
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| CN117073692A (en) * | 2023-10-13 | 2023-11-17 | 深圳市诺达方舟电子科技有限公司 | Navigator for measuring safe vehicle distance and control method thereof |
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Application publication date: 20181211 |
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