CN108198424A - A kind of accidental congestion recognizer of urban road based on floating car data and early warning system - Google Patents
A kind of accidental congestion recognizer of urban road based on floating car data and early warning system Download PDFInfo
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- CN108198424A CN108198424A CN201810073449.9A CN201810073449A CN108198424A CN 108198424 A CN108198424 A CN 108198424A CN 201810073449 A CN201810073449 A CN 201810073449A CN 108198424 A CN108198424 A CN 108198424A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 description 2
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- 231100000749 chronicity Toxicity 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
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- G06Q50/40—
Abstract
The present invention provides a kind of accidental congestion recognizer of urban road based on floating car data and early warning systems, are related to traffic congestion identification field.The system is made of floating vehicle data acquisition system, central processing system, storage system, congestion identification module, display system, early warning system, video frequency monitoring system, speech prompting system, the information transmission system.System carries out data acquisition by floating car data system, accidental section and initial time are recognized accurately in long duration and small period congestion feature difference according to section, and real-time display and dynamic monitoring are carried out to section, realize that congestion identification, monitoring, prompting, early warning are integrated, system function is powerful, strong robustness, urban transportation integrated management level has been obviously improved, has been applied to Chongqing road management system for monitoring at present, worth tradesman promotes the use of a large area.
Description
Technical field
The present invention relates to accidental congestion identification field more particularly to a kind of it can carry out section intelligent recognition and early warning is integrated
A kind of accidental congestion recognizer of urban road based on floating car data and early warning system.
Background technology
Urban traffic blocking strongly limits the sustainable development in city and the raising of quality of residents'life, traffic congestion from
Often hair congestion and accidental congestion can be divided into congestion type, often sending out congestion has chronicity and predictability, thus can carry out
It targetedly dredges and manages, and congestion drift of the accidental congestion with temporal randomness and spatially, predict difficulty
And be very big by difficulty, accidental congestion easily causes the traffic paralysis of large area and region congestion, in recent years accidental congestion identification
Become the lasting hot issue of field of traffic.
How using existing advanced floating vehicle data acquisition technology and monitoring management means, design is a kind of can be to accidental congestion
Section carries out intelligent recognition and the total management system of dynamic monitoring and early warning is extremely urgent.
Invention content
Problem to be solved by this invention is, provides a kind of intelligent recognition and dynamic of being carried out to accidental congested link and supervises
Survey and the accidental congestion recognizer of early warning and management system.
It to be calculated to solve the above problems, the present invention provides a kind of accidental congestion identifications of urban road based on floating car data
Method and early warning system, including：
The system is by floating vehicle data acquisition system, central processing system, storage system, congestion identification module, display system, pre-
Alert system, video frequency monitoring system, speech prompting system, information transmission system composition.
The floating car data system is made of Floating Car, GPS automobile data recorders, and the Floating Car is is equipped with GPS rows
The minibus of vehicle recorder, GPS automobile data recorder real-time Transmission vehicle drivings speed, time and latitude and longitude coordinates signal, and will
Signal is transmitted to central processing system by the information transmission system.
The video frequency monitoring system is made of camera, and the camera is annular camera, and camera is mounted on monitoring
On the electronic police mounting rod of section, and video information is stored in storage system.
The storage system is made of hard disk, stores Various types of data information, while storage system contains city three-dimensional electronic
Map, including sections basis numbers such as section latitude and longitude coordinates, road section ID, section title, section history vehicle speed data, category of roads
According to.
The central processing system be equipped with central processing unit, receive floating vehicle data acquisition system vehicle driving speed and
Latitude and longitude coordinates signal, and latitude and longitude coordinates are matched with city electronic three-dimensional map, while according to congestion identification module
Accidental congestion identification is carried out, and accidental congested link signal is transmitted to speech prompting system and display system.
The congestion identification module is used to carry out road accidental congestion identification, and core concept is to exclude often hair in long duration
Congestion, small period identify accidental congestion, include the following steps：
Step3：Go out the average fortune of each small period T within the t periods in section according to floating vehicle data acquisition system-computed
Scanning frequency degree, each period T periods are 5 minutes：
The display system is made of display, mouse, keyboard, and display shows urban road electronic three-dimensional map, and shows
Go out accidental congested link, accidental congested link is red, determines section thickness according to velocity magnitude, display data includes section position
It puts, vehicle speed data, while section operation level can be inquired by input through keyboard road section ID.
It states speech prompting system to be made of high-pitched speaker, accidental congested link title, congestion initial time is reported.
The alarm processing system is made of temperature detector, buzzer, and temperature detector is mounted on by central processing unit,
When central processor temperature is more than set temperature, buzzer will start, and beep.
Described information Transmission system is made of radio transmission apparatus, electronic circuit, line interface, power supply, is responsible for system letter
Breath transmission.
Description of the drawings
Fig. 1 is a kind of accidental congestion recognizer of urban road based on floating car data provided by the invention and early warning system
The system block diagram of system.
Specific embodiment
The present invention provides a kind of accidental congestion recognizer of urban road based on floating car data and early warning system, packets
It includes：
The system is by floating vehicle data acquisition system, central processing system, storage system, congestion identification module, display system, pre-
Alert system, video frequency monitoring system, speech prompting system, information transmission system composition.
The floating car data system is made of Floating Car, GPS automobile data recorders, and the Floating Car is is equipped with GPS rows
The minibus of vehicle recorder, GPS automobile data recorder real-time Transmission vehicle drivings speed, time and latitude and longitude coordinates signal, and will
Signal is transmitted to central processing system by the information transmission system.
The video frequency monitoring system is made of camera, and the camera is annular camera, and camera is mounted on monitoring
On the electronic police mounting rod of section, and video information is stored in storage system.
The storage system is made of hard disk, stores Various types of data information, while storage system contains city three-dimensional electronic
Map, including sections basis numbers such as section latitude and longitude coordinates, road section ID, section title, section history vehicle speed data, category of roads
According to.
The central processing system be equipped with central processing unit, receive floating vehicle data acquisition system vehicle driving speed and
Latitude and longitude coordinates signal, and latitude and longitude coordinates are matched with city electronic three-dimensional map, while according to congestion identification module
Accidental congestion identification is carried out, and accidental congested link signal is transmitted to speech prompting system and display system.
The congestion identification module is used to carry out road accidental congestion identification, and core concept is to exclude often hair in long duration
Congestion, small period identify accidental congestion, include the following steps：
Step3：Go out the flat of each small period T within the t periods in section according to floating vehicle data acquisition system-computed
The equal speed of service, each period T periods are 5 minutes：
The display system is made of display, mouse, keyboard, and display shows urban road electronic three-dimensional map, and
Show accidental congested link, accidental congested link is red, determines section thickness according to velocity magnitude, display data includes road
Fragment position, vehicle speed data, while section operation level can be inquired by input through keyboard road section ID.
It states speech prompting system to be made of high-pitched speaker, accidental congested link title, congestion initial time is reported.
The alarm processing system is made of temperature detector, buzzer, and temperature detector is mounted on by central processing unit,
When central processor temperature is more than set temperature, buzzer will start, and beep.
Described information Transmission system is made of radio transmission apparatus, electronic circuit, line interface, power supply, is responsible for system letter
Breath transmission.
At work, video frequency monitoring system acquires section video information and is stored system in real time, and floating car data is adopted
Collecting system real-time collecting speed, time and latitude and longitude coordinates information, and central processing system is will send information to, central processing system
System carries out accidental congested link identification according to congestion identification module, and often hair congestion is excluded according to continuous 2 15 minutes long periods,
Continuous 25 minutes small period accidental identification is carried out when the condition is satisfied, is finally determined whether according to recognizer for accidental congestion
Section, after accidental congested link is determined as, display system will show road section information, while display system will show video surveillance
Accidental congested link video information in system, speech prompting system will send out voice broadcast.Simultaneity factor provides inquiry and sets
It is standby, section operation information can directly be inquired.When central processing system when the temperature is excessively high, buzzer in alarm system will
Start, beep.
Embodiment described above only expresses the several embodiments of the present invention, and description 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 those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of accidental congestion recognizer of urban road based on floating car data and early warning system, which is characterized in that this is
System by floating vehicle data acquisition system, central processing system, storage system, congestion identification module, display system, early warning system,
Video frequency monitoring system, speech prompting system, information transmission system composition；The floating car data system is driven a vehicle by Floating Car, GPS
Recorder forms, and the Floating Car is to be equipped with the minibus of GPS automobile data recorders, GPS automobile data recorder real-time Transmission vehicles
Road speed, time and latitude and longitude coordinates signal, and signal is transmitted to central processing system by the information transmission system.
2. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the video frequency monitoring system is made of camera, and the camera is annular camera, and camera is pacified
On monitoring section electronic police mounting rod, and video information is stored in storage system.
3. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the storage system is made of hard disk, stores Various types of data information, while storage system contains city
Electronic three-dimensional map, including roads such as section latitude and longitude coordinates, road section ID, section title, section history vehicle speed data, category of roads
Section basic data.
4. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the central processing system is equipped with central processing unit, receives the vehicle row of floating vehicle data acquisition system
Vehicle speed and latitude and longitude coordinates signal, and latitude and longitude coordinates are matched, while with city electronic three-dimensional map according to congestion
Identification module carries out accidental congestion identification, and accidental congested link signal is transmitted to speech prompting system and display system.
5. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the congestion identification module is used to carry out accidental congestion identification to road, and core concept is in long duration
Often hair congestion is excluded, the small period identifies accidental congestion, includes the following steps：
Step1：Go out the average running speed of t-th of period in section according to floating vehicle data acquisition system-computed, it is described each
Period period is 15 minutes：
In formula,It isSample vehicle is in section（Or road）Mileage travelled,It isSample vehicle is in section（Or road
Road）Running time,For sample vehicle number,, while section history average running speed can be calculated,
It is describedIt is history with t period average running speeds, is divided into working day and two class of nonworkdays；
Step2：WhenAnd,<- 0.15 and
<When -0.15, turn Step3, be otherwise considered as and accidental congestion does not occur；
Step3：Go out the average fortune of each small period T within the t periods in section according to floating vehicle data acquisition system-computed
Scanning frequency degree, each period T periods are 5 minutes：
In formula,It isSample vehicle is in section（Or road）Mileage travelled,It isSample vehicle is in section（Or road
Road）Running time,For sample vehicle number, i, while section history average running speed can be calculated
, it is describedIt is history with T period average running speeds, is divided into working day and two class of nonworkdays；
Step4：WhenAnd,<- 0.3 and
<When -0.3, then accidental congestion occurs within the T periods for section, is otherwise considered as and accidental congestion does not occur.
6. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the display system is made of display, mouse, keyboard, and display shows urban road three-dimensional electronic
Map, and show accidental congested link, accidental congested link is red, determines section thickness according to velocity magnitude, shows number
According to including section position, vehicle speed data, while section operation level can be inquired by input through keyboard road section ID.
7. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the speech prompting system is made of high-pitched speaker, when being originated to accidental congested link title, congestion
Between reported.
8. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that the alarm processing system is made of temperature detector, buzzer, and temperature detector is mounted on center
By processor, when central processor temperature is more than set temperature, buzzer will start, and beep.
9. a kind of accidental congestion recognizer of urban road based on floating car data according to claim 1 and early warning system
Completely, which is characterized in that described information Transmission system is made of radio transmission apparatus, electronic circuit, line interface, power supply, is born
Blame system information transmissions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073449.9A CN108198424B (en) | 2018-01-25 | 2018-01-25 | Floating car data-based urban road accidental congestion identification algorithm and early warning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810073449.9A CN108198424B (en) | 2018-01-25 | 2018-01-25 | Floating car data-based urban road accidental congestion identification algorithm and early warning system |
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| CN108198424A true CN108198424A (en) | 2018-06-22 |
| CN108198424B CN108198424B (en) | 2021-04-16 |
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Cited By (3)
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| CN111932871A (en) * | 2020-06-28 | 2020-11-13 | 银江股份有限公司 | Regional real-time traffic control strategy recommendation system and method |
| CN112185108A (en) * | 2020-08-27 | 2021-01-05 | 银江股份有限公司 | Urban road network congestion mode identification method, equipment and medium based on space-time characteristics |
| CN112712694A (en) * | 2020-12-24 | 2021-04-27 | 重庆中信科信息技术有限公司 | Occasional congestion identification and analysis method based on space-time analysis |
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| CN112712694A (en) * | 2020-12-24 | 2021-04-27 | 重庆中信科信息技术有限公司 | Occasional congestion identification and analysis method based on space-time analysis |
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Address after: No.69, Yanghe village, Jiangbei District, Chongqing Patentee after: Chongqing Municipal Design and Research Institute Co.,Ltd. Address before: Chongqing Municipal Design and Research Institute, No.69, Yanghe 1st Village, Jiangbei District, Chongqing 400020 Patentee before: CHONGQING MUNICIPAL DESIGN INSTITUTE |
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