CN109683157A - A kind of onboard system based on millimetre-wave radar - Google Patents
A kind of onboard system based on millimetre-wave radar Download PDFInfo
- Publication number
- CN109683157A CN109683157A CN201811539842.9A CN201811539842A CN109683157A CN 109683157 A CN109683157 A CN 109683157A CN 201811539842 A CN201811539842 A CN 201811539842A CN 109683157 A CN109683157 A CN 109683157A
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- Prior art keywords
- millimetre
- wave radar
- module
- automobile
- electrically connected
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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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
A kind of onboard system based on millimetre-wave radar, including millimetre-wave radar system, binocular identifying system, GPS navigation system, automobile middle control and automobile execute system, the millimetre-wave radar system includes digital processing circuit, voltage controlled oscillator, frequency raiser, power amplifier, signal projector and two groups of reception circuits, every group of reception circuit includes signal receiver, low noise amplifier and frequency mixer, the binocular identifying system includes binocular camera, image processor and data analysis module, the GPS navigation system includes GPS receiver device, navigation module, memory module and data management module；Compared with prior art, the beneficial effects of the present invention are: by carrying binocular identifying system and GPS navigation system on the basis of millimetre-wave radar system, it can be achieved to analyze various traffic information real-time and precises, adapt to various road conditions, high efficiency, dual fail-safe, traffic information can also be recorded at any time simultaneously, to travel programme path next time and escorting in real time.
Description
[technical field]
The present invention relates to millimetre-wave radar technical fields, are specifically related to a kind of onboard system based on millimetre-wave radar.
[background technique]
With the maturation of Radar Technology, Radar Products are more more and more universal in civil field, including are used for vehicle, Industry Control
It constantly comes out with the Radar Products concept in wearable field.Radar detection apparatus be in automatic Pilot essential device it
One, laser radar and millimetre-wave radar are using two kinds of relatively broad radar installations.Laser radar high resolution, detection performance
It is good, it is small in size, but it is larger by weather and atmospheric effect when work, in misty rain day, Effect on Detecting is poor.Millimetre-wave radar technology phase
To maturation, millimeter-wave seeker penetrating fog, cigarette, the ability of dust are strong, however existing vehicle-mounted millimeter wave radar detection measurement accuracy
Deficiency causes the single onboard system road condition analyzing using millimetre-wave radar technology that mistake occurs, and consequence is extremely serious.How to protect
Card automatically analyzes the critical issue as industry development to various traffic information real-time and precises.
In consideration of it, it is really necessary to provide it is a kind of based on the onboard system of millimetre-wave radar with overcome the deficiencies in the prior art.
[summary of the invention]
The object of the present invention is to provide a kind of onboard systems based on millimetre-wave radar, it is intended to realize to various traffic informations
Real-time and precise analysis, adapts to various road conditions, high efficiency, dual fail-safe, while can also record traffic information at any time, to go next time
It sails programme path and escorts in real time.
To achieve the goals above, the present invention provides a kind of onboard system based on millimetre-wave radar, including millimeter wave thunder
System is executed up to system, binocular identifying system, GPS navigation system, automobile middle control and automobile；
The millimetre-wave radar system includes digital processing circuit, voltage controlled oscillator, frequency raiser, power amplifier, signal
Transmitter and two groups of reception circuits, every group of reception circuit include signal receiver, low noise amplifier and frequency mixer, in the automobile
Control is connect with the digital processing circuit, and the digital processing circuit is electrically connected by voltage controlled oscillator with the frequency raiser, institute
It states frequency raiser and is electrically connected respectively with the signal projector, a pair of of frequency mixer by power amplifier, each signal receiver is logical
It crosses corresponding low noise amplifier to be electrically connected with frequency mixer, each frequency mixer is electrically connected with the automobile middle control；
The binocular identifying system includes binocular camera, image processor and data analysis module, the binocular camera shooting
Head is connect with described image processor, and described image processor is connect with the data analysis module, the data analysis module
It is connect with the automobile middle control；
The GPS navigation system includes GPS receiver device, navigation module, memory module and data management module, described
GPS receiver device is connect with the navigation module, and the memory module passes through the data management module and the navigation module
Connection, the navigation module are electrically connected with the automobile middle control；
The automobile executes system and is electrically connected with the automobile middle control.
In a preferred embodiment, it includes braking system, engine and power transmission collection that the automobile, which executes system,
Middle control system, intelligent car body electronic system, communication and information/entertainment systems, chassis comprehensively control and security system.
In a preferred embodiment, the engine and power transmission centralized control system include that engine concentrates control
System, automation change control system, braking anti-lock and traction control system processed.
In a preferred embodiment, the binocular camera and signal projector are set to the middle position of headstock.
In a preferred embodiment, each signal receiver is respectively arranged at the left and right sides of headstock.
Compared with prior art, a kind of beneficial effect of onboard system based on millimetre-wave radar provided by the invention exists
In: by carrying binocular identifying system and GPS navigation system on the basis of millimetre-wave radar system, it can be achieved that various road conditions
The analysis of information real-time and precise, adapts to various road conditions, high efficiency, dual fail-safe, while can also record traffic information at any time, is next
Secondary traveling programme path simultaneously escorts in real time.
[Detailed description of the invention]
Fig. 1 is the function structure chart of the onboard system provided by the invention based on millimetre-wave radar.
Fig. 2 is the workflow schematic diagram of the onboard system based on millimetre-wave radar shown in Fig. 1.
Fig. 3 is the function structure chart that automobile shown in Fig. 1 executes system.
Fig. 4 is the application schematic diagram of the onboard system based on millimetre-wave radar shown in Fig. 1.
[specific embodiment]
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, the present invention provides a kind of onboard system 100 based on millimetre-wave radar, it is described to be based on millimeter wave thunder
The onboard system 100 reached include millimetre-wave radar system 10, binocular identifying system 20, GPS navigation system 30, automobile middle control 40 and
Automobile executes system 50.
Specifically, the millimetre-wave radar system 10 include digital processing circuit 11, voltage controlled oscillator 12, frequency raiser 13,
Power amplifier 14, signal projector 15 and two groups of reception circuits, every group of reception circuit include signal receiver 16, low noise amplification
Device 17 and frequency mixer 18, the automobile middle control 40 are connect with the digital processing circuit 11, and the digital processing circuit 11 passes through
Voltage controlled oscillator 12 is electrically connected with the frequency raiser 13, and the frequency raiser 13 is sent out with the signal respectively by power amplifier 14
Emitter 15, a pair of of frequency mixer 18 are electrically connected, and each signal receiver 16 passes through corresponding low noise amplifier 17 and 18 electricity of frequency mixer
Connection, each frequency mixer 18 are electrically connected with the automobile middle control 40.
Specifically, the binocular identifying system 20 includes binocular camera 21, image processor 22 and data analysis module
23, the binocular camera 21 is connect with described image processor 22, described image processor 22 and the data analysis module
23 connections, the data analysis module 23 are connect with the automobile middle control 40.
Specifically, the GPS navigation system 30 includes GPS receiver device 31, navigation module 32, memory module 33 and data
Management module 34, the GPS receiver device 31 are connect with the navigation module 32, and the memory module 33 passes through the data pipe
Reason module 34 is connect with the navigation module 32, and the navigation module 32 is electrically connected with the automobile middle control 40.
It is electrically connected specifically, the automobile executes system 50 with the automobile middle control 40.
Referring to Fig. 2, it is continuous that the control of digital processing circuit 11 voltage controlled oscillator 12 generates more frequency sweep frequency modulation when work
Wave signal, the continuous wave signal are successively emitted forward transmitting after frequency raiser 13 and power amplifier 14 by signal projector 15
Wave can reflect when transmitted wave encounters objects ahead, and be received by a pair of of signal receiver 16, after low noise amplifier 17
It is transferred to frequency mixer 18, while the continuous wave generated with the voltage controlled oscillator 12 after frequency raiser 13 and power amplifier 14 is believed
Number mixing after generate Doppler signal, the automobile middle control 40 accurately calculates target to two groups of Doppler signal parallel processings
Distance, relative velocity and angle, obtain the first analysis data group.
The binocular camera 21 obtains the first image information of road using the first camera and second camera respectively
With the second image information；Described image processor 22 respectively proposes the feature of the first image information and the second image information
It takes, obtains the first road characteristic and the second road characteristic；The data analysis module 23 is to the first road characteristic
Comprehensive analysis is carried out according to the second road characteristic, assesses to obtain the second analysis data group by preset program synthesis.
The automobile middle control 40 is analyzed millimetre-wave radar system 10 the first obtained analysis data group and is taken the photograph with the binocular
As the second analysis data group that first 21 analysis obtains carries out comprehensive analysis again, assess to obtain the by preset program synthesis
Three analysis data groups.
The automobile middle control 40 by third analyze data group in each analysis data respectively with it is preset corresponding
Threshold values is compared, each analysis data corresponds to a kind of road condition information, judges that every kind of road condition information is by comparing
No presence, if discovery, there are certain hazardous road situation, the automobile middle control 40 issues automobile execution system 50 corresponding
Order, and then corresponding control or prompt information are issued to vehicle.
Meanwhile the GPS navigation system 30 can whole record vehicle to run route and to record each geographical location corresponding
Road condition information and time point, and the information of record is stored in memory module 33；In the system of restarting navigation next time
When system navigation, it can will be stored in the information extraction recorded in memory module 33, be supplied to and led by data management module 34
32 programme path of model plane block, and when passing by same routes every time, can all there be real-time road prompting.
It, can be real by carrying binocular identifying system 20 and GPS navigation system 30 on the basis of millimetre-wave radar system 10
Now various traffic information real-time and precises are analyzed, adapt to various road conditions, high efficiency, dual fail-safe, while road can also be recorded at any time
Condition information, to travel programme path next time and escorting in real time.
Further, referring to Fig. 3, it includes braking system 51, engine and power transmission that the automobile, which executes system 50,
Centralized control system 52, intelligent car body electronic system 53, communication and information/entertainment systems 54, chassis comprehensively control and safety are
System 55.
The engine and power transmission centralized control system 52 include Engine integrated controlling sy stem 521, automation change
Speed control system 522, braking anti-lock and traction control system 523.
Further, referring to Fig. 4, the binocular camera 21 and signal projector 15 are set to the interposition of headstock
It sets, each signal receiver 16 is respectively arranged at the left and right sides of headstock.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of onboard system based on millimetre-wave radar, it is characterised in that: including millimetre-wave radar system, binocular identification system
System, GPS navigation system, automobile middle control and automobile execute system；
The millimetre-wave radar system includes digital processing circuit, voltage controlled oscillator, frequency raiser, power amplifier, signal transmitting
Device and two groups of reception circuits, every group of reception circuit include signal receiver, low noise amplifier and frequency mixer, the automobile middle control with
The digital processing circuit connection, the digital processing circuit are electrically connected by voltage controlled oscillator with the frequency raiser, the increasing
Frequency device be electrically connected with the signal projector, a pair of of frequency mixer respectively by power amplifier, and each signal receiver passes through pair
The low noise amplifier answered is electrically connected with frequency mixer, and each frequency mixer is electrically connected with the automobile middle control；
The binocular identifying system includes binocular camera, image processor and data analysis module, the binocular camera with
The connection of described image processor, described image processor are connect with the data analysis module, the data analysis module and institute
State automobile middle control connection；
The GPS navigation system includes GPS receiver device, navigation module, memory module and data management module, and the GPS connects
Receiving apparatus is connect with the navigation module, and the memory module is connect by the data management module with the navigation module,
The navigation module is electrically connected with the automobile middle control；
The automobile executes system and is electrically connected with the automobile middle control.
2. as described in claim 1 based on the onboard system of millimetre-wave radar, it is characterised in that: the automobile executes system packet
Include braking system, engine and power transmission centralized control system, intelligent car body electronic system, communication and information/entertainment systems,
Chassis comprehensively control and security system.
3. as claimed in claim 2 based on the onboard system of millimetre-wave radar, it is characterised in that: the engine and power pass
Dynamic centralized control system includes Engine integrated controlling sy stem, automation change control system, braking anti-lock and tractive force control
System processed.
4. as described in claim 1 based on the onboard system of millimetre-wave radar, it is characterised in that: the binocular camera and letter
Number transmitter is set to the middle position of headstock.
5. as claimed in claim 4 based on the onboard system of millimetre-wave radar, it is characterised in that: each signal receiver difference
It is set to the left and right sides of headstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539842.9A CN109683157A (en) | 2018-12-17 | 2018-12-17 | A kind of onboard system based on millimetre-wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539842.9A CN109683157A (en) | 2018-12-17 | 2018-12-17 | A kind of onboard system based on millimetre-wave radar |
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| Publication Number | Publication Date |
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| CN109683157A true CN109683157A (en) | 2019-04-26 |
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| CN201811539842.9A Pending CN109683157A (en) | 2018-12-17 | 2018-12-17 | A kind of onboard system based on millimetre-wave radar |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608605A (en) * | 2012-03-08 | 2012-07-25 | 常州博瑞毫米波雷达科技有限责任公司 | Intelligent vehicle-mounted anticollision millimeter-wave radar system |
| CN106909152A (en) * | 2017-03-17 | 2017-06-30 | 奇瑞汽车股份有限公司 | A kind of automobile-used context aware systems and automobile |
| CN107351785A (en) * | 2017-07-12 | 2017-11-17 | 奇瑞汽车股份有限公司 | Vehicle-periphery sensory perceptual system |
| CN108646764A (en) * | 2018-07-25 | 2018-10-12 | 吉林大学 | Automatic driving vehicle and control method based on fixed course, device and system |
-
2018
- 2018-12-17 CN CN201811539842.9A patent/CN109683157A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608605A (en) * | 2012-03-08 | 2012-07-25 | 常州博瑞毫米波雷达科技有限责任公司 | Intelligent vehicle-mounted anticollision millimeter-wave radar system |
| CN106909152A (en) * | 2017-03-17 | 2017-06-30 | 奇瑞汽车股份有限公司 | A kind of automobile-used context aware systems and automobile |
| CN107351785A (en) * | 2017-07-12 | 2017-11-17 | 奇瑞汽车股份有限公司 | Vehicle-periphery sensory perceptual system |
| CN108646764A (en) * | 2018-07-25 | 2018-10-12 | 吉林大学 | Automatic driving vehicle and control method based on fixed course, device and system |
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Application publication date: 20190426 |
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