CN108107446A - Wisdom traffic system based on laser Doppler radar - Google Patents
Wisdom traffic system based on laser Doppler radar Download PDFInfo
- Publication number
- CN108107446A CN108107446A CN201810062496.3A CN201810062496A CN108107446A CN 108107446 A CN108107446 A CN 108107446A CN 201810062496 A CN201810062496 A CN 201810062496A CN 108107446 A CN108107446 A CN 108107446A
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- China
- Prior art keywords
- module
- central processing
- processing unit
- laser doppler
- signal
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
Abstract
The present invention discloses a kind of wisdom traffic system based on laser Doppler radar, it is by ethyl alcohol, drug sensor output signal send central processing unit input end of analog signal, the SPI interface of face recognition module and WIFI module is connected with central processing unit corresponding interface, two signal ends of six laser Doppler radars are in parallel through bus conversion module to central processing unit signal receiving end and control terminal respectively, and GPS module, big dipper module, display module, broadcast module input signal connects central processing unit output control terminal respectively, it exports signal and connects central processing unit signal receiving end respectively, and by WIFI module, GPS module, big dipper module and city large data center both-way communication.Peripheral vehicle environment detection is tracked by the laser Doppler radar that regular hexagon arranges, other parts organically combine in addition, can quickly identify target, anticipatory analysis early warning, pre-decelerating avoids, effective specification driver driving behavior, avoids or reduces major traffic accidents and realizes wisdom management.
Description
Technical field
The present invention relates to a kind of city intelligent traffic vehicle control syetem, specifically, be related to it is a kind of how general using laser
Radar is strangled to identify road, other vehicles, pedestrian, barrier and traffic infrastructure, and can real-tune TT ＆ C and specification driver
Driving behavior, carry out anticipatory analysis early warning, so as to safety and reliability ensure driver, passenger, other peripheries personnel and set
The safety applied reduces the city intelligent traffic vehicle control syetem that major traffic accidents occur.
Background technology
With the development of social science and technology and the continuous improvement of living standards of the people, automobile is incremented by with surprising rapidity,
Some urban road vehicle congestions, frequent accidents is caused to occur, this also brings many troubles to urban traffic control.
Part driver ignore traffic law take drugs or drive when intoxicated it is commonplace, fatigue driving, play mobile phone the problems such as also happen occasionally,
These all will bring ubiquitous security risk to driver safety traveling.Vehicle supervision department is for drunk driving, driving with poison at present
The mode of parking checking can only be taken to be investigated one by one to driver using ethanol sensor, drug sensor, both workload
Big waste of manpower resource again.Therefore can only be spot-check, this also makes a part of driver, and there are ideas of leaving things to chance.Resulting peace
Full hidden danger cannot still be solved.For fatigue driving, sleep, play mobile phone unlawful practice can not also know, particularly pair
Front road conditions, vehicle condition and automobile whole body environment generally can only rely on driver estimate, error is big, safety traffic it is reliable
Property is poor.In order to solve this problem, single laser radar is located at automobile top by existing take, and forms 360 rotation modes to vapour
Vehicle surrounding enviroment are detected, though measuring accuracy is improved significantly.But since a radar will distinguish all directions
It is detected, has all surveyed required time length, tested the speed slowly.It brakes when having little time such as special emergency or even under desperation
Mistake steps on the gas and leads to tragic incident.Irremediable loss will be brought to people life property safety.Additionally while partial automobile
It is mounted with single Beidou navigation module or GPS positioning module or WIFI, but the information acquired in it still has certain limitation
Property, still bring some inconvenient to safety traffic.Therefore the field thirsts for having a kind of driving row of effective specification driver always
To carry out anticipatory analysis early warning, so as to avoid or reduce major traffic accidents, reliably ensureing driver, passenger, other weeks
The city intelligent traffic vehicle control syetem of side personnel and installation security has been the task of top priority.
The content of the invention
It is an object of the invention to provide a kind of wisdom traffic systems based on laser Doppler radar, it can thoroughly be solved
Problems of the prior art, the driving behavior of effective specification driver carry out anticipatory analysis early warning, avoid or reduce great
Traffic accident occurs, and reliably ensures the safety of driver, passenger, other peripheries personnel and facility.
The present invention will take following technical measures to be achieved：The present invention is passed by central processing unit, ethanol sensor, drugs
Sensor, face recognition module, city large data center, WIFI module, GPS module, big dipper module, the first to the 6th laser are more
General Le radar, bus conversion module, display interface and broadcast module composition, the ethanol sensor, drug sensor output letter
Number be respectively fed to central processing unit input end of analog signal, the face recognition module and WIFI module respectively through SPI interface with
Central processing unit corresponding interface connects, and parallel connection is carried out respectively by described first to two signal end of the 6th laser Doppler radar, then
Through bus conversion module to central processing unit digital signal reception end and control terminal, and the GPS module, big dipper module, display
Module, the input signal of broadcast module are respectively connected to central processing unit output control terminal, and output signal is respectively connected to centre
Device signal receiving end is managed, and WIFI module, GPS module, big dipper module and city large data center are subjected to both-way communication connection.
Described first to the 6th 6 laser Doppler radar is arranged on automobile external roof with regular hexagon arrangement mode.
The present invention is due to taking the structure, especially by six laser Doppler radars pair of regular hexagon arrangement
The characteristic quantities such as peripheral vehicle environment, the position of target, speed carry out the Detection And Tracking in comprehensive no dead zone, and ethyl alcohol senses in addition
Device, drug sensor, the setting of face recognition module and WIFI module, GPS module, big dipper module and city large data center
Interaction feedback can not only quickly identify road, other vehicles, pedestrian, barrier and traffic infrastructure, and it is pre- to carry out anticipatory analysis
Alert processing reminds driver to take care pre-decelerating avoidance, while a variety of violations driving is reminded, and effective specification drives
Member's driving behavior, and it is capable of providing unbroken WIF modules, GPS module, big dipper module function services.So that safer can
It ensure that the safety of driver, passenger, other peripheries personnel and facility by ground, effectively avoid or reduce major traffic accidents
Occur, reliably realize goal of the invention.Also have inventive concept novel and unique, scientific structure design rationally, wisdom management of performance
Reliably, the advantages that suitable promotion prospect is wide.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is laser Doppler radar schematic view of the mounting position.
Specific embodiment
It is on the basis of existing technology by Fig. 1-wisdom traffic system shown in Fig. 2 based on laser Doppler radar
A kind of city intelligent traffic vehicle control syetem of invention.It is by central processing unit 1, ethanol sensor 2, drug sensor 3, people
Face identification module 4, city large data center 5, WIFI module 6, GPS module 7, the 8, first to the 6th laser-Doppler of big dipper module
Radar（Hereinafter referred to as laser radar）9th, 91,92,93,94,95, bus conversion module 10, display interface 11 and broadcast module 12
Composition（See Fig. 1）.Wherein central processing unit（MCU）1 is STM103VET6 chips, first by the ethanol sensor 2, drugs
The analog signal that sensor 3 exports positive signal end AD-OUT1, AD-OUT2 output corresponds to access central processing unit respectively（MCU）1
Input end of analog signal AD-IN1, AD-IN2, face recognition module 4 and WIFI module 6 respectively via slave selection end NSS,
Clock end SCK, input, the SPI interface and central processing unit 1 corresponding interface SPI1, SPI2 of output signal end MISO, MOSI composition
It is attached, while by the signal end of first, second, third, fourth, the five, the 6th laser radars 9,91,92,93,94,95
CAN-H and CANH-L carries out parallel connection respectively, then through bus conversion module 10 to the input of 1 signal of central processing unit, output port
CAN-RX, CAN-TX, and central processing unit 1 is exported into control signal respectively through output control terminal USART1- TX, USART2-
TX, USART3- TX, USART4- TX, which are corresponded to, accesses the GPS module 7, big dipper module 8, display module 11, broadcast module 12
RX ports, the GPS module 7, big dipper module 8, display module 11, broadcast module 12 TX ports respectively with central processing unit
1 USART1- RX, USART2- RX, USART3- RX, USART4- RX are connected, and WIFI module 6 can pass through city street lamp
Networking, GPS module 7, big dipper module 8 realize that both-way communication is connected through satellite with city large data center 5.Whole system is total to
Ground.First, second, third, fourth, the five, the 6th laser radars 9,91,92,93,94,95 take regular hexagon to arrange
Row mode is mounted on automobile external roof.So as to the comprehensive real-time online observation automobile whole body environment into the anti-of row information
Feedback, avoids the great tragic incident occurred in blind area.
When system works, six laser radars 9 being arranged first regular hexagon by micro-adjusting mechanism, 91,92,93,94,
95 are adjusted, i.e., the position of offset are corrected, it is ensured that the comprehensive detection of laser radar and feedback.
Drunk driving, driving with poison are a kind of illegal acts done oneself great harm that both victimized do not taken personal safety into account and driven, for specification
The behavior, drinking or take drugs in driver can be by the detection of ethanol sensor 2 or drug sensor 3, by ethyl alcohol
The analog signal that sensor 2 or drug sensor 3 export is sent into central processing unit 1, and analog signal is converted through internal A/D module
It into digital signal and stores, from USART3- TX, the USART4- TX of central processing unit 1 to display under computer program control
Interface 11, the RX ports of broadcast module 12 send instruction, and broadcast module 12 receives instruction by voice or corresponding preset in advance
Analysis and early warning is reported.Remind driver that cannot drive, display interface 11 is shown.Simultaneously by display interface 11, broadcast
The TX ports of module 12 feed back to signal the USART3- RX of central processing unit 1, RXUSART4- RX ports.And pass through WIFI
Module 6, GPS module 7 transmit a signal to city large data center 5, and driver still starts automobile in violation of rules and regulations in the case, by
City large data center 5 sends prompting instruction again, and central processing unit 1 repeats above-mentioned control, still shown by display interface 11 and
Broadcast module 12 is reported again, is handled when serious.
Face recognition module 4 is the sensing device based on scanning imagery, passes through the eyes to driver's face（Such as open or
It closes）And headwork（It comes back and bows）Scanning imagery obtain digital signal by SPI interface MISO port transmissions to center
Processor 1 is handled, and for fatigue driving, sleep, plays mobile phone unlawful practice from central processing unit 1 to display interface 11, wide
Broadcasting module 12 sends instruction, and sends corresponding analysis and early warning by broadcast module 12 and report.Driver's peace is reminded anywhere or anytime
It is complete to drive.
The laser Doppler radar of the present invention is using laser as radiation source, by emitting the infrared light to person poultry harmless
The radar sensing device that the features such as position, speed of the beam to detecting target are scanned, receive, handle.Six laser
Radar 9,91,92,93,94,95 works at the same time, by trees, road, bridge or the building on laser transmitting laser scanning ground
Etc. identified target, scanning receives signal transmission to photodetector, and photodetector converts optical signals to electric signal and passes again
It transports to Computer Control Unit and carries out data processing, and timing control is carried out to Laser emission and photodetector, according to laser
Range measurement principle calculates, so that it may obtain reaching the distance of target point from laser radar, laser constantly scans object, it is possible to
Detection processing data from each different directions position are passed through two signal ends by the data of target complete point on to object
CAN-H and CAN-L are transferred on sys node, that is, the corresponding terminal CAN-H and CAN-L of bus conversion module 10, by total
Line modular converter 10 then is rapidly feeding through data/address bus CAN the CAN-RX ports of central processing unit 1 into the matching of line level.And
The CAN-TX ports of central processing unit 1 are connected to realize with the corresponding ports of bus conversion module 10 and data/address bus CAN are exported
The control of signal.After central processing unit 1 carries out imaging with cloud data, so that it may obtain accurate（Precision can reach Centimeter Level）
Three-dimensional image and 3D environmental maps.Then shown in display interface 11.It is carried out at the same time anticipatory analysis early warning processing, example
Such as there is the state of stop-light and traffic beacon is known to reach prompting driver specification safety traffic, pay attention to carrying out in advance
Slow down and avoid；When closely driving or emergency occurs in other party, also vehicle is connected using the output interface of central processing unit 1
Computer is carried, the emergency brake of autobrake instruction realization in special circumstances is provided for different types of brake system.Pass through institute
The organic cooperation of the comprehensive detection of laser radar, tracking with identifying system in addition is stated, so as to more safely and reliably ensure to drive
The person of sailing, passenger, the safety of other peripheries personnel and facility, and effectively avoid or reduce the generation of major traffic accidents.
Meet driver have hypervelocity, at a slow speed, illegal driving behavior, the present invention such as jump the queue in parking violation and traveling way can
Information data fed back to by GPS module 7, big dipper module 8 by city large data center 5, through GPS module 7, big dipper module 8
Central processing unit 1 is sent into TX ports, then sends instruction to display interface 11, broadcast module 12 by central processing unit 1, is shown
Show and remind and alert, severe patient gives punishment processing, so as to which specification driver drives safely.
It gets congestion phenomenon in road ahead, driver can not see or identify traffic lights, can be by the big data of city
The heart 5 is supplied to the requirement of the lights state of driver's stop-light, road conditions and traffic sign in real time, then by showing boundary
Face 11 is shown and broadcast module 12 is reported in advance, and by real-time shared service, reminds driver green on the road of traveling
It starts to walk simultaneously during lamp, slows down simultaneously again during red light, move ahead according to unified speed, congestion phenomenon is made to release as early as possible；Secondly may be used also
By the best route for providing the judgement of road conditions traveling；And the traffic sign occurred in front of real-time informing driver
It is required that driving safely so as to fulfill vehicle synchronous, more convenient, faster, safer service for driver is provided, ensure that and drive
Other peripheries personnel such as the person of sailing, passenger and the safety of facility.
If driver is unclear to road conditions, voice can be sent to broadcast module 12, in being entered by USART4- RX ports
Central processor 1, central processing unit 1 communicate with GPS module 7, big dipper module 8, the data re-transmission of city large data center 5 are given
Central processing unit 1 is handled, and controls broadcast module 12 that the best route of the judgement of road conditions and traveling is carried out navigation report.
Claims (2)
1. a kind of wisdom traffic system based on laser Doppler radar, by central processing unit（1）, ethanol sensor（2）, drugs
Sensor（3）, face recognition module（4）, city large data center（5）, WIFI module（6）, GPS module（7）, big dipper module
（8）, the first to the 6th laser Doppler radar（9、91、92、93、94、95）, bus conversion module（10）, display interface（11）
And broadcast module（12）Composition, it is characterised in that：The ethanol sensor（1）, drug sensor（2）Output signal is respectively fed to
Central processing unit（1）Input end of analog signal, the face recognition module（4）And WIFI module（6）Respectively through SPI interface in
Central processor（1）Corresponding interface connects, by the described first to the 6th laser Doppler radar（9、91、92、93、94、95）Two letters
Number end carry out respectively it is in parallel, then through bus conversion module（10）To central processing unit digital signal reception end and control terminal, and institute
State GPS module（7）, big dipper module（8）, display module（11）, broadcast module（12）Input signal be respectively connected to central processing
Device（1）Output control terminal, output signal are respectively connected to central processing unit（1）Signal receiving end, and by WIFI module（6）、GPS
Module（7）, big dipper module（8）With city large data center（5）Carry out both-way communication connection.
2. the wisdom traffic system according to claim 1 based on laser Doppler radar, it is characterised in that：Described first
To the 6th 6 laser Doppler radar（9、91、92、93、94、95）Automobile external vehicle is arranged on regular hexagon arrangement mode
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062496.3A CN108107446A (en) | 2018-01-23 | 2018-01-23 | Wisdom traffic system based on laser Doppler radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810062496.3A CN108107446A (en) | 2018-01-23 | 2018-01-23 | Wisdom traffic system based on laser Doppler radar |
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| CN108107446A true CN108107446A (en) | 2018-06-01 |
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| CN201810062496.3A Pending CN108107446A (en) | 2018-01-23 | 2018-01-23 | Wisdom traffic system based on laser Doppler radar |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004999A (en) * | 2018-10-22 | 2018-12-14 | 成都共同进步信息技术有限公司 | A kind of interior wisdom ecology broadcast platform equipment |
| CN109391339A (en) * | 2018-10-22 | 2019-02-26 | 成都共同进步信息技术有限公司 | A kind of outdoor wisdom ecology broadcast terminal equipment master control system |
| CN113160453A (en) * | 2021-05-19 | 2021-07-23 | 重庆蓝岸通讯技术有限公司 | Driving behavior assisting reminding system |
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| CN109004999A (en) * | 2018-10-22 | 2018-12-14 | 成都共同进步信息技术有限公司 | A kind of interior wisdom ecology broadcast platform equipment |
| CN109391339A (en) * | 2018-10-22 | 2019-02-26 | 成都共同进步信息技术有限公司 | A kind of outdoor wisdom ecology broadcast terminal equipment master control system |
| CN113160453A (en) * | 2021-05-19 | 2021-07-23 | 重庆蓝岸通讯技术有限公司 | Driving behavior assisting reminding system |
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