CN107499231A - The system and method for rate of being in danger based on wheelpath real-time early warning - Google Patents
The system and method for rate of being in danger based on wheelpath real-time early warning Download PDFInfo
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- CN107499231A CN107499231A CN201710743528.1A CN201710743528A CN107499231A CN 107499231 A CN107499231 A CN 107499231A CN 201710743528 A CN201710743528 A CN 201710743528A CN 107499231 A CN107499231 A CN 107499231A
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- 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
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Abstract
Present invention is disclosed a kind of system and method for rate of being in danger based on wheelpath real-time early warning, the system is included apart from acquisition subsystem, position service sub system, data communication subsystem, alarm and reminding subsystem；Data communication subsystem is provided with data processing unit, mobile network's unit, communication unit, data processing unit is calculating safe distance, mobile network's unit is used to sending the data of data processing unit to server, and communication unit is receiving the transmission data apart from acquisition subsystem, position service sub system；Alarm and reminding subsystem is provided with data transmission unit, alarm unit.The present invention can perceive the safe distance of surrounding objects within the very first time, remind generation of the driver on dangerous situation in time, and guiding driver correctly operates.The present invention will not change all original functions of automobile, it is only necessary to an external independent communications devices, it is possible to which brand-new drive of experience is escorted, so as to experience the intelligence and safety that science and technology is brought.
Description
Technical field
The invention belongs to electronic information technical field, is related to a kind of driving early warning system, more particularly to a kind of based on driving
Track real-time early warning is in danger the system of rate；Meanwhile the invention further relates to a kind of side for rate of being in danger based on wheelpath real-time early warning
Method.
Background technology
In recent years China's car ownership keeps growth year by year：In the end of the year 2014, national vehicle guaranteeding organic quantity is up to 2.64 hundred million
, wherein 1.54 hundred million, automobile, 2015 car ownerships are about 1.54*1.03=1.58 hundred million.At the same time, China 2014
Toll on traffic is 34292,34 people, compared with 2013 31604,3 people, 30222,5 people in 2012,2011 years 29618
People, death toll is in ascendant trend year by year by a small margin.2014 annual to be related to casualties road traffic accident 160,000
Rise or so, direct property loss is at 800,000,000 yuan or so.
The generation of traffic accident will be seriously influence the people production and living safety, on the one hand country has formulated
Whole traffic safety law, regulation, one side people also need actively to observe traffic rules and regulations, safety trip, safety trip.But often
Most traffic accident is all human negligence, not observing traffic rules and regulations causes.And existing travelling facility is to navigate, record
Based on instrument, navigate and make prompting just for hypervelocity, the real-time reminding to safe distance can not be realized.
Shown according to another related data, the vehicle driver quantity in the end of the year of China 2014 breaks through 300,000,000 historic people, motor-driven
The quick usage quantity of car and driving number so that China faces more severe traffic safety situation.
In view of this, nowadays there is an urgent need to design a set of driving when intelligent reminding system to help driver to greatest extent
The generation of traffic accident is prevented, especially for fatigue driving situation, the mode that voice is combined with vibration can be with effective stimulus
The sense of hearing and tactile, to ensure safety trip, avoid unnecessary economic loss.
The content of the invention
The technical problems to be solved by the invention are：A kind of system for rate of being in danger based on wheelpath real-time early warning is provided,
The safe distance of surrounding objects can be perceived within the very first time, reminds generation of the driver on dangerous situation in time, guiding is driven
The person of sailing correctly operates.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of system for rate of being in danger based on wheelpath real-time early warning, the system are included：Apart from acquisition subsystem, position
Service subsystem, data communication subsystem, alarm and reminding subsystem；
Described to be provided with infrared induction unit, data transmission unit apart from acquisition subsystem, the infrared induction unit includes
Front, left side, three, right side induction module, to obtain the object distance in three orientation, the data transmission unit to
Realize the data transfer with data communication subsystem；
The position service sub system be provided with real time position unit, data transmission unit, the real time position unit to
Current precise position information is obtained, data transmission unit is to the data transfer with data communication subsystem；
The data communication subsystem is provided with data processing unit, mobile network's unit, communication unit, the data processing
For unit to calculate safe distance, mobile network's unit is used to sending the data of data processing unit to server, communication unit
To receive the transmission data apart from acquisition subsystem, position service sub system；
The alarm and reminding subsystem is provided with data transmission unit, alarm unit, and the data transmission unit is receiving
The data of data communication subsystem, alarm unit is realizing the control to voice, vibration alarm alarm set.
It is described to include Calculation of Safety Distance unit apart from acquisition subsystem as a preferred embodiment of the present invention, to
To the Calculation of Safety Distance of surrounding objects, safe distance includes three dimensions altogether：Front range dimension, left side range dimension,
Right side range dimension；The Calculation of Safety Distance unit includes front Calculation of Safety Distance module, left and right sides safe distance
Computing module；
The computational methods of the front Calculation of Safety Distance module comprise the following steps：
A. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, passes through data
Transmission unit transfers data to data communication subsystem；
B. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, labeled as Y, lead to
Cross data transmission unit and transfer data to data communication subsystem；
C. in data communication subsystem, current distance is calculated according to " safety driving distance calculation formula ", labeled as Z；
D. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
The Calculation of Safety Distance method of left and right sides Calculation of Safety Distance module comprises the following steps：
A. certain side object distance is obtained from apart from acquisition subsystem, labeled as E, by data transmission unit by data transfer
Give data communication subsystem；
B. data communication subsystem, the critical value of the side safe distance are recorded as F, E and F are compared；
If c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
As a preferred embodiment of the present invention, the system also includes real-time reminding device, the real-time reminding device
Including：Voice unit, vibration unit, institute's speech units remind driver, vibration list to play alarm tone, from sense of hearing channel
Member is to trigger seismaesthesia in kind, from tactile alert driver.
A kind of method of the early warning occurrence rate of said system, methods described comprise the following steps：
Step S1, the infrared induction unit 11 apart from acquisition subsystem 10 collects front object real-time range, and will
Data are transferred to data communication subsystem 30 by data transmission unit 12；
Step S2, gather longitude and latitude from the real time position unit 21 of position service sub system 20 and be converted into speed per hour, and will
Data are transferred to data communication subsystem 30 by data transmission unit 22；
Step S3, the communication unit 33 of data communication subsystem 30 receives to come from apart from acquisition subsystem 10 and location-based service
The data of subsystem 20, and be transmitted to data processing unit 31 and calculate safe distance；
Step S4, determined whether to be not less than safe distance according to result of calculation；
Step S5, if less than alarm and reminding subsystem 40 is notified if safe distance, perform step S6, if not less than safety away from
Circulated from then return to step S1；
Step S6, alarm and reminding subsystem 40 notifies real-time reminding device 50 to trigger voice alarm, vibration alarm；
As a preferred embodiment of the present invention, the Calculation of Safety Distance side apart from acquisition subsystem to surrounding objects
Method, safe distance include three dimensions altogether：Front range dimension, left side range dimension, right side range dimension；The safety away from
Include following two parts from computational methods：
S11. the computational methods of front safe distance comprise the following steps：
S11a. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, passes through number
Data communication subsystem is transferred data to according to transmission unit；
S11b. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, be labeled as
Y, data communication subsystem is transferred data to by data transmission unit；
S11c. in data communication subsystem, safety driving distance calculation formula calculates current distance, labeled as Z；
S11d. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
S12. the Calculation of Safety Distance method of the left and right sides comprises the following steps：
S12a. left side object distance is obtained from apart from acquisition subsystem, labeled as E, by data transmission unit by data
It is transferred to data communication subsystem；；
S12b. data communication subsystem, the critical value of sinistral safety distance are recorded as F, E and F are compared；
If S12c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
As a preferred embodiment of the present invention, methods described also includes real-time reminding step, and voice unit plays alarm
Sound, driver is reminded from sense of hearing channel；Vibration unit triggers seismaesthesia in kind, from tactile alert driver.
The beneficial effects of the present invention are：The system of rate proposed by the present invention of being in danger based on wheelpath real-time early warning, can
The safe distance of surrounding objects is perceived within the very first time, reminds generation of the driver on dangerous situation in time, guiding drives
The correct operation of member.The present invention will not change all original functions of automobile, it is only necessary to an external independent communications devices,
Brand-new drive of can experience is escorted, so as to experience the intelligence and safety that science and technology is brought.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of rate system of the invention of being in danger based on wheelpath real-time early warning.
Fig. 2 is the flow chart of the Calculation of Safety Distance method of surrounding objects of the present invention.
Fig. 3 is real-time reminding device composition schematic diagram of the present invention.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 1, present invention is disclosed a kind of system for rate of being in danger based on wheelpath real-time early warning, the system bag
Include：Apart from acquisition subsystem 10, position service sub system 20, data communication subsystem 30, alarm and reminding subsystem 40.
It is described to be provided with infrared induction unit 11, data transmission unit 12, the infrared induction list apart from acquisition subsystem 10
Member includes front, left side, three, right side induction module, to obtain the object distance in three orientation, the data transfer list
Member is realizing the data transfer with data communication subsystem.
The position service sub system 20 is provided with real time position unit 21, data transmission unit 22, the real time position list
Member is to obtain current precise position information, and data transmission unit is to the data transfer with data communication subsystem.
The data communication subsystem 30 is provided with data processing unit 31, mobile network's unit 32, communication unit 33, described
For data processing unit to calculate safe distance, mobile network's unit is used to sending the data of data processing unit to server,
Communication unit is receiving the transmission data apart from acquisition subsystem, position service sub system.
The alarm and reminding subsystem 40 is provided with data transmission unit 41, alarm unit 42, and the data transmission unit is used
To receive the data of data communication subsystem, alarm unit is realizing the control to voice, vibration alarm alarm set.
It is described to include Calculation of Safety Distance unit apart from acquisition subsystem 10, to the safe distance meter to surrounding objects
Calculate, safe distance includes three dimensions altogether：Front range dimension, left side range dimension, right side range dimension；The safety away from
Include front Calculation of Safety Distance module, left and right sides Calculation of Safety Distance module from computing unit.
Referring to Fig. 2, the computational methods of the front Calculation of Safety Distance module comprise the following steps：
A. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, passes through data
Transmission unit transfers data to data communication subsystem；
B. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, labeled as Y, lead to
Cross data transmission unit and transfer data to data communication subsystem；
C. in data communication subsystem, current distance is calculated according to " safety driving distance calculation formula ", labeled as Z；
D. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
The Calculation of Safety Distance method of left and right sides Calculation of Safety Distance module comprises the following steps：
A. certain side object distance is obtained from apart from acquisition subsystem, labeled as E, by data transmission unit by data transfer
Give data communication subsystem；
B. data communication subsystem, the critical value of the side safe distance are recorded as F, E and F are compared；
If c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
Referring to Fig. 3, the system also includes real-time reminding device, the real-time reminding device includes：Voice unit, shake
Moving cell, institute's speech units remind driver to play alarm tone, from sense of hearing channel, and vibration unit is triggering shake in kind
Sense, from tactile alert driver.
Referring to Fig. 2, the method that the present invention also discloses a kind of early warning occurrence rate of said system, methods described includes as follows
Step：
Step S1, the infrared induction unit 11 apart from acquisition subsystem 10 collects front object real-time range, and will
Data are transferred to data communication subsystem 30 by data transmission unit 12；
Step S2, gather longitude and latitude from the real time position unit 21 of position service sub system 20 and be converted into speed per hour, and will
Data are transferred to data communication subsystem 30 by data transmission unit 22；
Step S3, the communication unit 33 of data communication subsystem 30 receives to come from apart from acquisition subsystem 10 and location-based service
The data of subsystem 20, and be transmitted to data processing unit 31 and calculate safe distance；
Step S4, determined whether to be not less than safe distance according to result of calculation；
Step S5, if less than alarm and reminding subsystem 40 is notified if safe distance, perform step S6, if not less than safety away from
Circulated from then return to step S1；
Step S6, alarm and reminding subsystem 40 notifies real-time reminding device 50 to trigger voice alarm, vibration alarm；
The Calculation of Safety Distance method apart from acquisition subsystem to surrounding objects, safe distance include three dimensions altogether
Degree：Front range dimension, left side range dimension, right side range dimension；The Calculation of Safety Distance method includes following two
Point：
S11. the computational methods of front safe distance comprise the following steps：
S11a. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, passes through number
Data communication subsystem is transferred data to according to transmission unit；
S11b. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, be labeled as
Y, data communication subsystem is transferred data to by data transmission unit；
S11c. in data communication subsystem, safety driving distance calculation formula calculates current distance, labeled as Z；
S11d. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
S12. the Calculation of Safety Distance method of the left and right sides comprises the following steps：
S12a. left side object distance is obtained from apart from acquisition subsystem, labeled as E, by data transmission unit by data
It is transferred to data communication subsystem；
S12b. data communication subsystem, the critical value of sinistral safety distance are recorded as F, E and F are compared；
If S12c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
Methods described also includes real-time reminding step, and voice unit plays alarm tone, and driver is reminded from sense of hearing channel；Shake
Moving cell triggers seismaesthesia in kind, from tactile alert driver.
If No. 1 car is front truck, No. 2 cars are rear car, are existed side by side when rear car driver has found that front truck stop, tail and number plate light is bright in time
I.e. braking is until stop, it is necessary to by three times, i.e. No. 2 car operator brake reaction time t1, No. 2 car brake coordination times
t2With continuous braking time t3, the distance that automobile is travelled within this three times is respectively S1、S2And S3, they and after being then
The non-security distance S of braking of carF；Speed unit remembers km/h, parasang note m in formula.
S1Calculation formula：Under the premise of air drag is ignored, V0Initial velocity before being braked for No. 2 cars, t1Braked for No. 2 cars
Member's reaction time, so the brake response distance S of No. 2 car drivers1For
S1=V0t1/3.6(m)
S2Calculation formula：t2By braking transmission delay time t2' and build-up time of braking force t2" composition, has corresponded to two respectively
Segment distance S2' and S2"；t2' in the period because automobile not yet produces braking, be still with the initial velocity V before braking0Fortune
It is dynamic, therefore S2' be
S2'=V0t2'/3.6(m)
t2" interior No. 2 speed performance is to become retarded motion, ja2For the deceleration (m/s of No. 2 car brakings2), by integral transformation
Corresponding formula is afterwards
S2"=(V0t2"/3.6)-1/6xja2t2"2∫(m)
Therefore t2The distance that interior automobile is walked is
S2=S2'+S2"=V0t2'/3.6+(V0t2"/3.6)-1/6xja2t2"2∫(m)
S3Calculation formula：t3Automobile does uniformly retarded motion in period, according to uniformly retarded motion rule, can try to achieve S3For
S3=V0 2/(2x3.62ja2)-(V0t2"/3.6x2)+1/8xja2t2"2∫(m)
The non-security distance of braking of rear car is S1、S2、S3It is added, is：
SF=S1+S2+S3=V0t1/3.6+V0(t2'+t2"/2)/3.6+V0 2/(2x3.62ja2)-1/24xja2t2"2∫(m)
Omit secondary micro, can obtain
SF=V0t1/3.6+V0(t2'+t2"/2)/3.6+V0 2/(2x3.62ja2)(m)
In summary, the system of rate proposed by the present invention of being in danger based on wheelpath real-time early warning, can be within the very first time
The safe distance of surrounding objects is perceived, reminds generation of the driver on dangerous situation in time, guiding driver correctly operates.This
Invention will not change all original functions of automobile, it is only necessary to an external independent communications devices, it is possible to which experience is complete
New drive is escorted, so as to experience the intelligence and safety that science and technology is brought.
Embodiment two
Fig. 1, Fig. 3 are referred to, present invention is disclosed a kind of wheelpath communication system and real-time reminding device 50 in real time, institute
Stating system is included apart from acquisition subsystem 10, position service sub system 20, data communication subsystem 30, alarm and reminding subsystem
40。
It is described to be provided with infrared induction unit 11, data transmission unit 12 apart from acquisition subsystem 10.Infrared induction unit 11
The object distance on front, left side, right side can be gathered, data storage cell 12 is used to transmit data to data communication subsystem
30。
The position service sub system 20 is provided with real time position unit 21, data transmission unit 22.Real time position unit 21
To obtain current longitude and latitude degrees of data in real time, data transmission unit 22 is used to transmit data to data communication subsystem 30.
The data communication subsystem 30 is provided with data processing unit 31, mobile network's unit 32, communication unit 33.Data
Processing unit 31 is responsible for calculating safe distance using sampled data, and mobile network's unit 32 is used for the number for sending data processing unit
Transmitted according to server, communication unit 33 to the data number received apart from acquisition subsystem 10, position service sub system 20.
The alarm and reminding subsystem 40 be provided with data transmission unit 41, alarm unit 42, data transmission unit 41 to
Receive the data of data communication subsystem 30, alarm unit 42 completes voice, vibrating alert to control real-time reminding device 50
Function.
The real-time reminding device is provided with voice unit 51, vibration unit 52, and voice unit 51 plays alarm tone of blowing a whistle, shaken
Driver is reminded in the control device self-excited oscillation of moving cell 52 from tactile.
The composition of wheelpath communication system and device in real time of the invention is described above, the present invention is above-mentioned in real time in announcement
While wheelpath communication system and real-time reminding device, the safe distance of above-mentioned wheelpath communication system in real time is also disclosed
(being implemented with front distance) computational methods；Methods described comprises the following steps (Fig. 2)：
【Step S1】" apart from acquisition subsystem 10 " " infrared induction unit 11 " collect front object real-time range,
And by data by the way that " data transmission unit 12 " is transferred to " data communication subsystem 30 "；
【Step S2】From " position service sub system 20 " " real time position unit 21 " gathers longitude and latitude and is converted into speed per hour,
And by data by the way that " data transmission unit 22 " is transferred to " data communication subsystem 30 "；
【Step S3】" data communication subsystem 30 " " communication unit 33 " receive from " apart from acquisition subsystem 10 " and
" data of position service sub system 20 ", and it is transmitted to " the calculating safe distance of data processing unit 31 "；
【Step S4】Determined whether to be not less than safe distance according to result of calculation；
【Step S5】If less than alarm and reminding subsystem 40 is notified if safe distance, step S6 is performed, if not less than safety
Then return to step S1 is circulated distance；
【Step S6】Alarm and reminding subsystem 40 notifies real-time reminding device 50 to trigger voice alarm, vibration alarm；
In summary, it is proposed by the present invention in real time wheelpath communication system by gather in real time surrounding objects distance,
Speed per hour is calculated based on GPS positioning technology, calculates whether meet safe distance according to existing traffic safety calculation formula, it is real
When remind driver pay attention to, and provide voice and vibration two ways, carried especially for the driver of fatigue driving
Effect of waking up is obvious, and the present invention does not need street rod original structure, directly can be filled using the 12V Voltage On states of car cigarette lighter
Power supply is put, device is not related to installation, can be placed directly on console.The real-time wheelpath communication system of the present invention can be with base
Realized in open source projects android, two schemes are provided again：
Scheme one：Invent a kind of brand-new electronic equipment based on android completely, wherein GPS chip, infrared equipment,
Mobile data communication has all supported that the voice unit in real-time reminding device 50 of the present invention is made using built-in loudspeaker, the unit that shakes
Realized with built-in motor.
Scheme two：Android equipment --- mobile phone based on present main flow, but need to transform hardware, at present
The infrared distance-sensor of main flow only supports data acquisition closely, it is necessary to change more powerful support remote capture
Infrared sense, while integrate a kind of Calculation of Safety Distance method to surrounding objects of the present invention.The benefit of this programme is hand
Machine function diversification, high integration.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, real for those skilled in the art
The replacement and equivalent various parts for applying example are known.It should be appreciated by the person skilled in the art that the present invention is not being departed from
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realized.In the case where not departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
The other deformations of row and change.
Claims (6)
1. a kind of system for rate of being in danger based on wheelpath real-time early warning, it is characterised in that the system includes：Distance collection
System, position service sub system, data communication subsystem, alarm and reminding subsystem；
It is described to be provided with infrared induction unit, data transmission unit apart from acquisition subsystem, before the infrared induction unit is included just
Side, left side, three, right side induction module, to obtain the object distance in three orientation, the data transmission unit is realizing
With the data transfer of data communication subsystem；
The position service sub system is provided with real time position unit, data transmission unit, and the real time position unit is obtaining
Current precise position information, data transmission unit is to the data transfer with data communication subsystem；
The data communication subsystem is provided with data processing unit, mobile network's unit, communication unit, the data processing unit
To calculate safe distance, mobile network's unit is used to sending the data of data processing unit to server, communication unit to
Receive apart from acquisition subsystem, the transmission data of position service sub system；
The alarm and reminding subsystem is provided with data transmission unit, alarm unit, and the data transmission unit is receiving data
The data of communication subsystem, alarm unit is realizing the control to voice, vibration alarm alarm set.
2. the system of rate according to claim 1 of being in danger based on wheelpath real-time early warning, it is characterised in that：
It is described to include Calculation of Safety Distance unit apart from acquisition subsystem, to the Calculation of Safety Distance to surrounding objects, safety
Distance includes three dimensions altogether：Front range dimension, left side range dimension, right side range dimension；The Calculation of Safety Distance
Unit includes front Calculation of Safety Distance module, left and right sides Calculation of Safety Distance module；
The computational methods of the front Calculation of Safety Distance module comprise the following steps：
A. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, passes through data transfer
Unit transfers data to data communication subsystem；
B. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, labeled as Y, pass through number
Data communication subsystem is transferred data to according to transmission unit；
C. in data communication subsystem, current distance is calculated according to " safety driving distance calculation formula ", labeled as Z；
D. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
The Calculation of Safety Distance method of left and right sides Calculation of Safety Distance module comprises the following steps：
A. certain side object distance is obtained from apart from acquisition subsystem, labeled as E, number is transferred data to by data transmission unit
According to communication subsystem；
B. data communication subsystem, the critical value of the side safe distance are recorded as F, E and F are compared；
If c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
3. the system of rate according to claim 1 of being in danger based on wheelpath real-time early warning, it is characterised in that：
The system also includes real-time reminding device, and the real-time reminding device includes：Voice unit, vibration unit, institute's predicate
Sound unit reminds driver to play alarm tone, from sense of hearing channel, and vibration unit is to trigger seismaesthesia in kind, from tactile alert
Driver.
4. the method for the early warning occurrence rate of one of a kind of claims 1 to 3 system, it is characterised in that methods described includes
Following steps：
Step S1, the infrared induction unit 11 apart from acquisition subsystem 10 collects front object real-time range, and by data
Data communication subsystem 30 is transferred to by data transmission unit 12；
Step S2, gather longitude and latitude from the real time position unit 21 of position service sub system 20 and be converted into speed per hour, and by data
Data communication subsystem 30 is transferred to by data transmission unit 22；
Step S3, the communication unit 33 of data communication subsystem 30 receives to come from apart from acquisition subsystem 10 and location-based service subsystem
The data of system 20, and be transmitted to data processing unit 31 and calculate safe distance；
Step S4, determined whether to be not less than safe distance according to result of calculation；
Step S5, if less than alarm and reminding subsystem 40 is notified if safe distance, step S6 is performed, if not less than if safe distance
Return to step S1 is circulated；
Step S6, alarm and reminding subsystem 40 notifies real-time reminding device 50 to trigger voice alarm, vibration alarm.
5. the method for early warning occurrence rate according to claim 4, it is characterised in that：
The Calculation of Safety Distance method apart from acquisition subsystem to surrounding objects, safe distance include three dimensions altogether：Just
Front range dimension, left side range dimension, right side range dimension；The Calculation of Safety Distance method includes following two parts：
S11. the computational methods of front safe distance comprise the following steps：
S11a. front object real-time range is obtained from apart from acquisition subsystem, in units of rice, labeled as X, is passed by data
Defeated unit transfers data to data communication subsystem；
S11b. the difference in the unit interval is obtained from position service sub system learn from else's experience and latitude and be converted into speed per hour value, labeled as Y, lead to
Cross data transmission unit and transfer data to data communication subsystem；
S11c. in data communication subsystem, safety driving distance calculation formula calculates current distance, labeled as Z；
S11d. X and Z are compared, if X is not more than Z, meets alert consitions, trigger an alarm to alarm and reminding subsystem；
S12. the Calculation of Safety Distance method of the left and right sides comprises the following steps：
S12a. left side object distance is obtained from apart from acquisition subsystem, labeled as E, by data transmission unit by data transfer
Give data communication subsystem；；
S12b. data communication subsystem, the critical value of sinistral safety distance are recorded as F, E and F are compared；
If S12c. E is not more than F, meet alert consitions, trigger an alarm to alarm and reminding subsystem.
6. the method for early warning occurrence rate according to claim 4, it is characterised in that：
Methods described also includes real-time reminding step, and voice unit plays alarm tone, and driver is reminded from sense of hearing channel；Vibration is single
Member triggers seismaesthesia in kind, from tactile alert driver.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016112086727 | 2016-12-23 | ||
| CN201611208672 | 2016-12-23 |
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| CN107499231A true CN107499231A (en) | 2017-12-22 |
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| CN201710743528.1A Pending CN107499231A (en) | 2016-12-23 | 2017-08-25 | The system and method for rate of being in danger based on wheelpath real-time early warning |
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Application publication date: 20171222 |