CN109059943A - A kind of center special duty's control system based on GPS - Google Patents
A kind of center special duty's control system based on GPS Download PDFInfo
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- CN109059943A CN109059943A CN201810500305.7A CN201810500305A CN109059943A CN 109059943 A CN109059943 A CN 109059943A CN 201810500305 A CN201810500305 A CN 201810500305A CN 109059943 A CN109059943 A CN 109059943A
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- special duty
- gps
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- vehicle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/3415—Dynamic re-routing, e.g. recalculating the route when the user deviates from calculated route or after detecting real-time traffic data or accidents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096827—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed onboard
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention is a kind of center special duty's control system based on GPS, belongs to road traffic signal control system, is primarily adapted for use in the traffic signalization when special vehicle of right-of-way being needed to carry out an urgent task.It is made of front end GPS device, data reception service, center special duty's navigation system；Front end GPS device sends data for positioning current vehicle location, and to center；Data reception service is used for the GPS data of receiving front-end equipment, and is filtered to data；Center special duty's navigation system calculates in real time for realizing path planning, positioning and rectifying, path, special duty's order issues, fault-tolerant processing.System can execute special duty's order according to default special duty's scheme, change path when special vehicle encounters emergency event, when special vehicle deviation projected route number reaches the upper limit, system cooks up new special duty's route according to vehicle current driving location again, it can intuitively show the driving information of special vehicle, it also can timely and effectively solution of emergent event.
Description
Technical field
Center special duty's control system based on GPS that the present invention relates to a kind of, belongs to road traffic signal control system, master
It is applicable to the traffic signalization when special vehicle of right-of-way carries out an urgent task.
Background technique
With economical continuous development and continuous improvement of people's living standards, China's vehicle ownership increases year by year,
The traffic pressure in city is increasing.When special vehicle (fire-fighting, speedily carry out rescue work, on duty, public transport by rescue
) when encountering emergency task, tend not to arrive at the destination in time.Traditional center special duty's control mode can only pass through intercommunication
The modes such as mechanical, electrical words obtain the position of vehicle, and special vehicle is advanced according to pre-determined route, and consistency operation personnel are according to position hand
Dynamic to execute special duty's order, vehicle is countermanded an order by manually performing behind the crossing.Change road when special vehicle encounters emergency event
When diameter, consistency operation personnel execute again after need to updating manually prediction scheme.This mode of operation can neither intuitively show special purpose vehicle
Driving information, can not timely and effectively solution of emergent event, while having aggravated the workload of background work personnel.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to existing for existing center special duty control mode to show not intuitive, control
Make not flexible, larger workload deficiency, provide a kind of design more rationally, operation it is more convenient, using simpler based on GPS
Center special duty's control system.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is that one kind is based on
Center special duty's control system of GPS, its main feature is that: the system is by front end GPS device, data reception service module, center special duty
Navigation system composition；Front end GPS device sends data for positioning current vehicle location, and to center；Data reception service mould
Block is used for the GPS data of receiving front-end equipment, and is filtered to data；Center special duty's navigation system is for realizing path rule
It draws, positioning and rectifying, path calculates in real time, special duty's order issues, fault-tolerant processing.
System architecture of the invention uses Three-tider architecture framework, is divided into data Layer, service layer and application layer, as shown in Figure 1.
Data Layer is responsible for storage management basic map, transportation network data, path computing performance data, and data Layer passes through among ArcSDE
Part, realize with the data processing on upper layer with exchange.Vehicle real-time position information develops data access by relational database language
Interface provides the location information of vehicle for business logic processing；Service layer is planned using ArcEngine technology realizing route and is counted
It calculates, the detection of vehicle deflection path, automatic deviation correction calculating；Application layer is based on database and service interface, and to be that user shows map clear
Look at inquiry, vehicle location positioning, path planning show, the functions such as analog demenstration.
The invention mainly comprises map view displaying, path planning, vehicle location, path dynamics to calculate, under special duty's order
Hair, analog demenstration, fault-tolerant processing function.
The present invention is based on center special duty's control systems of GPS: the path planning function of center special duty's navigation system, is to pass through
Starting point, terminal and several intermediate points are selected on map, are calculated optimal path automatically and are highlighted.Center special duty leads
The positioning and rectifying function of boat system is carried out according to the GPS data of headend equipment to vehicle coordinate real in vehicular motion
Shi Jiaozheng, it is ensured that GPS data meets system requirements.The real-time computing function in center special duty's navigation system path, is to work as vehicle driving
When path shifts, GPS data cooks up new special duty's route to system in real time based on the received.Center special duty, which navigates, is
Special duty's order of system issues, and is to issue special duty's control to corresponding intersection according to the GPS data of headend equipment in vehicular motion
System instruction.Center special duty's navigation system fault-tolerant processing is in vehicular motion, if GPS data loss, mistake, system energy
It is enough to advance according to traveling parameter simulation before.
Map view shows function, map vector and dynamically load signal machine information in quick-loading system, by right
The pretreatment of map datum achieve the effect that it is beautiful and generous, and realize to map amplification, reduce, roaming, it is full frame, addition mark
Point deletes mark point function.
Path planning function selects starting point, terminal and several intermediate points on map, according to road weight benefit
Automatic calculating optimal path, and (highlighted, discoloration) display prominent on map are analyzed with two-dimensional network.This road is calculated simultaneously
The passed through semaphore list of diameter simultaneously obtains its relevant information (canalization information, phase information), true according to path and signal machine information
Special duty's scheme of fixed each semaphore is simultaneously stored into routing database.Road weight include operating range, transit time,
Current expense, and retain the corresponding interface for other weights being likely to occur.
Vehicle location function, after system receives GPS data, by map matching technology to the received GPS data of institute into
Row amendment, eliminates GPS signal error, to obtain accurate GPS data.Under normal circumstances, in traveling vehicle location in
On certain road, its coordinate position is corrected from the static vehicle for becoming movement in time.After passage path matching technique will correct
GPS coordinate navigate on planned path.
Path dynamic computing function, when special vehicle, which deviates projected route number, reaches the upper limit, system is worked as according to vehicle
Preceding traveling-position cooks up new special duty's route again, while calculating the semaphore list and special duty's scheme passed through on variation route
And it executes.Special vehicle, which deviates number, dynamically to be adjusted according to the actual situation, and system default is preset as 3 times.
Special duty's order issues function, and when special vehicle drives to apart from crossing certain distance, system is according to default special duty
Scheme executes special duty's order.System issues special duty's instruction to the intersection annunciator, and semaphore executes related life after receiving instruction
It enables, special vehicle institute driving direction is switched into release status.After special vehicle passes through the crossing and travels a distance, it is
System executes revocation special duty's order.System issues revocation special duty's instruction to the intersection annunciator, and semaphore is switched to after executing instruction
Former clearance scheme.It can dynamically be adjusted according to the actual situation close to crossing distance and far from crossing distance, system default is preset as
300 meters.
Analog demenstration function, system can analog demenstration paths completely pass through process.System is according to set by user
Speed simulating vehicle travelled along planning path, and check the case where passed through semaphore list and special duty execute.
Fault-tolerant processing function, system can lose GPS data and GPS data mistake carries out redundancy processing.When there is GPS
When loss of data, travel speed, transmits information of the system according to current vehicle simulate GPS data and are sent to data and connect
It receives service module and has ensured that vehicle smoothly passes through.When there is GPS data mistake, system is according to historical experience come to current data
Correction processing is carried out, then the data are abandoned when data deviation is larger.
A plurality of route concurrently executes function, and system supports 5 or more special duty's routes concurrently to execute, while monitoring multiple spies
Kind vehicle location simultaneously plans corresponding travel route, and executes special duty's order according to traveling-position.
Compared with prior art, the present invention is based on center special duty's control systems of GPS can be held according to default special duty's scheme
Row special duty order.Change path when special vehicle encounters emergency event, when special vehicle deviation projected route number reaches the upper limit,
System cooks up new special duty's route according to vehicle current driving location again, while calculating the semaphore passed through on variation route
List and special duty's scheme simultaneously execute.Present system can intuitively show the driving information of special vehicle, also can be timely and effective
Ground solution of emergent event, while alleviating the workload of background work personnel.
Detailed description of the invention
Fig. 1 is a kind of system architecture diagram of center special duty's control system based on GPS of the present invention.
Specific embodiment
Referring to the drawings, further describe the specific technical solution of the present invention, in order to those skilled in the art into
One step the present invention is understood, without constituting the limitation to its right.
Embodiment 1, a kind of center special duty's control system based on GPS, the system are taken by front end GPS device, data receiver
Module, the center special duty's navigation system of being engaged in form；The front end GPS device is sent out for positioning current vehicle location, and to center
Send data；Data reception service module is used for the GPS data of receiving front-end equipment, and is filtered to data；Center special duty leads
Boat system calculates in real time for realizing path planning, positioning and rectifying, path, special duty's order issues and fault-tolerant processing.
Referring to Fig.1, the framework of center special duty control system uses Three-tider architecture framework, is divided into data Layer, service layer and answers
With layer；Data Layer is responsible for storage management basic map, transportation network data, path computing performance data, and data Layer passes through
ArcSDE middleware, realize with the data processing on upper layer with exchange；Vehicle real-time position information is opened by relational database language
Data access interface is sent out, provides the location information of vehicle for business logic processing；Service layer is realized using ArcEngine technology
Path planning calculates, vehicle deflection path detects, automatic deviation correction calculates；It is user that application layer, which is based on database and service interface,
Show map view inquiry, vehicle location positioning, path planning are shown, the functions such as analog demenstration.
Embodiment 2, in center special duty's control system described in embodiment 1 based on GPS: the road of center special duty's navigation system
Diameter planning function is to calculate optimal path automatically by selecting starting point, terminal and several intermediate points on map and dash forward
It shows out.Positioning and rectifying function is carried out according to the GPS data of headend equipment to vehicle coordinate real in vehicular motion
Shi Jiaozheng, it is ensured that GPS data meets system requirements.The real-time computing function in path is to be when vehicle running path shifts
GPS data cooks up new special duty's route to system in real time based on the received.Special duty's order issues, and is in vehicular motion
In, special duty's control instruction is issued to corresponding intersection according to the GPS data of headend equipment.Fault-tolerant processing is in vehicular motion
In, if GPS data is lost, mistake, system can advance according to traveling parameter simulation before.
Embodiment 3, front end GPS positioning device described in embodiment 1 or 2, which is installed on special vehicle, according to
The specified mode of connection carries out wiring power supply.After configuring its center IP by upper computer software, GPS coordinate data can be sent to finger
On fixed server.
Embodiment 4, data reception service module described in embodiment 1 or 2 or 3, after the installation and deployment service routine, configuration
Respective profiles, service routine will receive after the data mart modeling that front end GPS device is transmitted is handled and be sent to special duty's control
System.
Embodiment 5, center special duty's navigation system described in embodiment 1 or 2, the system is using steps are as follows:
(1) newly-built route is clicked, newly-built Route Work is started；
(2) after choosing starting point, some position is as starting point in click map；
(3) after choosing intermediate point, clicking some position in map can be repeated as many times as intermediate point, the operation；
(4) after choosing terminal, some position is as terminal in click map；
(5) select corresponding parameter as calculating parameter in the weight popped up, system-computed goes out phase after selection
The path answered.Meanwhile system goes out the signal machine information passed through in the path and special duty's scheme in hind computation.
Click navigation, special duty's route is simulated or is controlled in navigation interface, select analogue navigation when, system according to
The simulation of speed set by user is advanced, and shows passed through semaphore and special duty's control mode；When selecting real-time navigation, it is
System can receive GPS coordinate data transmitted by data services and be controlled according to default semaphore.
Claims (8)
1. a kind of center special duty's control system based on GPS, it is characterised in that: the system is taken by front end GPS device, data receiver
Module, the center special duty's navigation system of being engaged in form；The front end GPS device is sent out for positioning current vehicle location, and to center
Send data；Data reception service module is used for the GPS data of receiving front-end equipment, and is filtered to data；Center special duty leads
Boat system calculates in real time for realizing path planning, positioning and rectifying, path, special duty's order issues and fault-tolerant processing.
2. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty controls system
The framework of system uses Three-tider architecture framework, is divided into data Layer, service layer and application layer；Data Layer is responsible for storage management basis ground
Figure, transportation network data, path computing performance data, data Layer realize the data processing with upper layer by ArcSDE middleware
With exchange；Vehicle real-time position information develops data access interface by relational database language, provides for business logic processing
The location information of vehicle；Service layer is calculated using the planning of ArcEngine technology realizing route, vehicle deflection path detects, automatic
Correction calculations；It is that user shows map view inquiry, vehicle location positioning, path that application layer, which is based on database and service interface,
Planning display, analog demenstration function.
3. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty, which navigates, is
The path planning function of system is to calculate optimal road automatically by selecting starting point, terminal and several intermediate points on map
Diameter simultaneously highlights.
4. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty, which navigates, is
The positioning and rectifying function of system is to carry out real-time school to vehicle coordinate according to the GPS data of headend equipment in vehicular motion
Just, it is ensured that GPS data meets system requirements.
5. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty, which navigates, is
The system real-time computing function in path, is when vehicle running path shifts, system based on the received advise in real time by GPS data
Mark new special duty's route.
6. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty, which navigates, is
Special duty's order of system issues, and is to issue special duty's control to corresponding intersection according to the GPS data of headend equipment in vehicular motion
System instruction.
7. center special duty's control system according to claim 1 based on GPS, it is characterised in that: center special duty, which navigates, is
System fault-tolerant processing is in vehicular motion, if GPS data is lost, mistake, system can be according to parameter simulation of advancing before
Advance.
8. center special duty's control system according to claim 1 based on GPS, it is characterised in that: the system use 5 with
Upper special duty's route concurrently executes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810500305.7A CN109059943A (en) | 2018-05-23 | 2018-05-23 | A kind of center special duty's control system based on GPS |
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| CN201810500305.7A CN109059943A (en) | 2018-05-23 | 2018-05-23 | A kind of center special duty's control system based on GPS |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111785005A (en) * | 2019-04-04 | 2020-10-16 | 青岛海信网络科技股份有限公司 | Method and device for analyzing exercise effect of traffic guard task |
| CN112325894A (en) * | 2020-10-28 | 2021-02-05 | 上海香果信息科技有限公司 | Automobile navigation central control management system |
| CN113554884A (en) * | 2021-06-15 | 2021-10-26 | 深圳市综合交通设计研究院有限公司 | GPS data sharing system and method based on traffic flow acquisition |
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Application publication date: 20181221 |