CN108111979A - Vehicle location trace scheduling system and method based on BDS and LoRa - Google Patents
Vehicle location trace scheduling system and method based on BDS and LoRa Download PDFInfo
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- CN108111979A CN108111979A CN201711434908.3A CN201711434908A CN108111979A CN 108111979 A CN108111979 A CN 108111979A CN 201711434908 A CN201711434908 A CN 201711434908A CN 108111979 A CN108111979 A CN 108111979A
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Abstract
The present invention provides a kind of vehicle location trace scheduling system and method based on BDS and LoRa, and system includes on-vehicle positioning terminal, LoRa communication base stations and locating and tracking dispatching platform；The on-vehicle positioning terminal is connected by LoRa wireless spread-spectrum signals with the LoRa communication base stations, and the LoRa communication base stations are connected by wired mode with the locating and tracking dispatching platform.Advantage is：LoRa is a kind of wireless communication technique of low-power consumption long range, is mainly run in global free frequency range, and network coverage ability is strong, can fully meet the vehicle real-time positioning information wireless transmission demand of shipyard internal field production area.System uses the spread-spectrum signal wireless communication transmission vehicle real-time positioning information based on LoRa technologies, can need to lead to the problem of traffic fee to avoid other long range transmission technologies 2G, 3G, 4G etc., reduce use cost.
Description
Technical field
The invention belongs to wireless communication technique fields, and in particular to a kind of vehicle location tracking based on BDS and LoRa is adjusted
Spend system and method.
Background technology
At present, China has become shipbuilding big country, and shipbuilding process is just towards digitlization, automation, intelligence
Develop with the direction of greenization.Modern Shipbuilding Mode uses regional shipbuilding mode technology, and hull construction is in units of being segmented, as centre
The boat segmental of product is intended to enlargement and hugeization, and the transport being segmented between each workshop and block storage area depends on
The production and transports vehicles such as heavy power flat bed transport vehicle, large-scale fork truck, therefore, associated production haulage vehicle becomes ship and builds
Make the important resources of production of enterprise.
Since boat segmental volume and weight are all very huge, shipbuilding haulage vehicle was transported through boat segmental
The security requirement travelled in journey is high, and traveling is very slow, at the same other vehicle and pedestrians etc. be required for giving way by, in order to avoid
Collide peril.Under normal conditions, the path resource of shipyard and block storage area space resources are all very in short supply, and segmentation turns
Fortune needs to expend many times and cost, and how to improve the utilization ratio of related resource is always that shipbuilding enterprise is especially concerned about
The problem of.
In the prior art, when shipyard information is transmitted, mainly by mobile communication technologies such as 2G, 3G, 4G, therefore stream can be generated
Amount is taken；And if by WIFI network technology, it needs to build large-scale wireless network, disposes a large amount of relay nodes, be not suitable for ship
Information transmission under factory's different scenes.
The content of the invention
In view of the defects existing in the prior art, the present invention provides a kind of vehicle location trace scheduling based on BDS and LoRa
System and method can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of vehicle location trace scheduling system based on BDS and LoRa, including on-vehicle positioning terminal,
LoRa communication base stations and locating and tracking dispatching platform；The on-vehicle positioning terminal passes through LoRa wireless spread-spectrum signals and the LoRa
Communication base station is connected, and the LoRa communication base stations are connected by wired mode with the locating and tracking dispatching platform.
Preferably, the on-vehicle positioning terminal includes BDS locating modules, micro-control unit and LoRa communication modules；It is described
Micro-control unit is connected respectively with the BDS locating modules and the LoRa communication modules.
Preferably, the LoRa communication base stations are LoRa/LoRaWAN gateways and concentrator.
The present invention also provides a kind of method of the vehicle location trace scheduling system based on BDS and LoRa, including following step
Suddenly：
Step 1, in vehicle travel process, it is installed on the micro-control unit driving BDS of the on-vehicle positioning terminal on vehicle
Locating module gathers BDS location informations by sample frequency；Then, micro-control unit is by BDS location informations collected, vehicle-mounted fixed
Position terminal exclusive identification code and location time information are encapsulated as vehicle location information message；Then, micro-control unit controls LoRa
The vehicle location information message is sent to LoRa communication base stations by communication module；
Step 2, the LoRa communication base stations receive the vehicle location information message that the LoRa communication modules are beamed back,
Then, the vehicle location information message received is sent to the locating and tracking scheduling by RJ45 Ethernets to put down
Platform；
The locating and tracking dispatching platform include vehicle location information packet parsing module, information inspection and memory module,
Information inquiry module, vehicle location information visualization display module and vehicle location information database；
When the locating and tracking dispatching platform receives the vehicle location information message, the vehicle location information report
Literary parsing module uniquely marks the vehicle location information packet parsing received for BDS location informations, on-vehicle positioning terminal
Know code and location time information；
Then, the vehicle that described information inspection and memory module are resolved to the vehicle location information packet parsing module
BDS location informations, on-vehicle positioning terminal exclusive identification code and location time information carry out consistency check, after inspection passes through,
The mapping relations of the BDS location informations of vehicle, on-vehicle positioning terminal exclusive identification code and location time information are stored to described
Vehicle location information database；
When the vehicle location information visualization display module receive come from Vehicle Dispatch Administration personnel operation please
When asking, the operation requests are submitted to described information enquiry module by the vehicle location information visualization display module；
After described information enquiry module receives the operation requests, according to database information query specification to the operation
Request is formatted, generation data base querying request, and submits to the vehicle location information database；Then described in receiving
The query result that vehicle location information database returns, and the query result is returned into the vehicle location information and is visualized
Display module；
The vehicle location information visualizes display module after the query result is received, by query result with visual
The form of change is presented to administrative staff.
Preferably, in step 1, the on-vehicle positioning terminal also has the function of that shift point screens out, especially by the following manner
It realizes：
On-vehicle positioning terminal improves positioning longitude using excessive acquisition method, specifically, the microcontroller of on-vehicle positioning terminal
Unit sets caching, and will be put into caching one by one after the BDS location informations parsing that BDS locating modules receive；When persistently connecing
After receiving N BDS location information, N is preset value, and micro-control unit is sorted on the basis of longitude data, dimension data respectively,
And longitude maximum point and longitude smallest point are marked in the sequence on the basis of longitude, it is marked in the sequence on the basis of dimension
Latitude maximum point and latitude smallest point；Then, in N BDS location information, by longitude maximum point, longitude smallest point, latitude most
It is a little bigger to be deleted one by one with latitude smallest point, calculate the center of left point, by the nearest point coordinates in distance center position and its
Time is as this effective gathered data.
Vehicle location trace scheduling system and method provided by the invention based on BDS and LoRa has the following advantages：
LoRa is a kind of wireless communication technique of low-power consumption long range, is mainly run in global free frequency range, the network coverage
Ability is strong, can fully meet the vehicle real-time positioning information wireless transmission demand of shipyard internal field production area.System is used and is based on
The spread-spectrum signal wireless communication transmission vehicle real-time positioning information of LoRa technologies, can to avoid other long range transmission technologies 2G,
3G, 4G etc. need to lead to the problem of traffic fee, reduce use cost.It is positioned, tracked and gone by shipbuilding haulage vehicle
Route record is sailed, the security and efficiency of the production logistics operation such as fragmented transport is helped to improve, optimizes shipbuilding transport vehicle
Scheduling promotes the utilization ratio of shipyard path resource and block storage area space resources.
Description of the drawings
Fig. 1 is the structure diagram of the vehicle location trace scheduling system provided by the invention based on BDS and LoRa；
Fig. 2 is the composition schematic diagram of on-vehicle positioning terminal provided by the invention；
Fig. 3 is the fundamental diagram of locating and tracking dispatching platform provided by the invention；
Wherein：1- on-vehicle positioning terminals；2-LoRa communication base stations；3- locating and tracking dispatching platforms.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
The location information positioning of shipbuilding haulage vehicle, tracking, travel route record, vehicle dispatching problem are to become shadow
Ring the key factor of shipbuilding efficiency.It is recorded by the positioning of shipbuilding haulage vehicle, tracking and travel route, helps to carry
The security and efficiency of the production logistics operations such as high sublevel transport, optimization shipbuilding haulage vehicle scheduling, promote shipyard road
The utilization ratio of resource and block storage area space resources.
The present invention provides a kind of based on the positioning of the shipbuilding vehicle position information of BDS technologies and LoRa technologies, tracking, row
The system for sailing route record and scheduling carries out vehicle using BDS signals and positions in real time, and passes through LoRa Radio Transmission Technologys and incite somebody to action
Related position information feeds back to distribution scheduling center, to solve the positioning of shipbuilding haulage vehicle, tracking, travel route record
And the problems such as optimizing scheduling.
The characteristics of introducing LoRa and BDS first below：
LoRa is a kind of wireless communication technique of low-power consumption long range, is mainly run in global free frequency range.LoRa has
Stronger signal penetration capacity, network coverage ability is stronger, and scope is wider.In intensive urban environment, LoRa data transmissions
Distance can reach more than 3KM；In open field, transmission range can reach 15KM~30KM or even farther.In addition, LoRa skills
Art also has many advantages, such as that end sensor is at low cost, low-power consumption.
BDS is the abbreviation of Beidou satellite navigation system, Beidou satellite navigation system (BeiDou Navigation
Satellite System, BDS) it is the Global Satellite Navigation System that China voluntarily develops.BDS is after american global positioning system
(GPS), the 3rd ripe satellite navigation system after Russian Glonass satellite navigation system (GLONASS).
With reference to figure 1, the present invention provides a kind of vehicle location trace scheduling system based on BDS and LoRa, including three portions
Point, it is respectively on-vehicle positioning terminal, LoRa communication base stations and locating and tracking dispatching platform；The on-vehicle positioning terminal passes through LoRa
Wireless spread-spectrum signal is connected with the LoRa communication base stations, and the LoRa communication base stations pass through wired mode and the locating and tracking
Dispatching platform is connected.The vehicle position information collected is sent to LoRa by on-vehicle positioning terminal by LoRa wireless spread-spectrum signals
Communication base station, LoRa communication base stations by the vehicle position information received by RJ45 Ethernet cable networks be sent to positioning with
Track dispatching platform.
Specifically, with reference to Fig. 2, on-vehicle positioning terminal, for obtaining BDS satellite positioning informations and utilizing LoRa technology transfers
LoRa communication base stations are given, on-vehicle positioning terminal includes three parts, is respectively that BDS locating modules, micro-control unit and LoRa lead to
Interrogate module.BDS locating modules are responsible for obtaining production and transport vehicle position information by BDS.Micro-control unit is responsible for positioning BDS
The BDS information and on-vehicle positioning terminal unique identifier that module collects are packaged forwarding and control LoRa communication modules that will believe
Breath is sent to LoRa communication base stations.Using micro-control unit as core, working mechanism is on-vehicle positioning terminal：BDS is driven first
Locating module gathers BDS location informations；When then by the location information combination on-vehicle positioning terminal exclusive identification code of acquisition, positioning
Between etc. information generation vehicle location information message；Finally vehicle location information message is sent to LoRa by control LoRa communication modules
Communication base station.
LoRa communication base stations are LoRa/LoRaWAN gateways and concentrator, and there are two functions for tool：One function is responsible for connecing
Receive the vehicle location information message that LoRa communication modules are beamed back；Another function is responsible for the vehicle location information message that will be received
Locating and tracking dispatching platform is sent to by RJ45 Ethernets.
Locating and tracking dispatching platform for receiving vehicle location information, and then realize shipbuilding haulage vehicle based on
The visualization of GIS map is positioned, tracked in real time, travel route record and optimizing scheduling etc..
With reference to Fig. 3, locating and tracking dispatching platform includes vehicle location information packet parsing program, information inspection and storage journey
Sequence, information inquiry program, vehicle location information visualization show program and vehicle location information database.Locating and tracking scheduling is flat
The working mechanism of platform is as follows：The vehicle location information packet parsing that vehicle location information packet parsing program is responsible for receive is
Vehicle location information, on-vehicle positioning terminal exclusive identification code and positioning time.Information inspection and storage sequence are determined receiving vehicle
Consistency check is carried out to relevant information after the infomational message analysis result of position and is stored to vehicle location information database.Vehicle is determined
Position information visualization shows program in the different types of operation requests of acceptable vehicle management and running personnel, and operation requests may include
Then association requests are sent to information inquiry program, received by real-time tracking, historical track, electronic grille fence, mileage statistics etc.
After the inquiry record that information inquiry program returns, by correlated information exhibition to administrative staff in the form of chart etc. is visual.Letter
Breath polling routine, which is responsible for visualize from vehicle location information, shows that the information inquiring request of program is looked into according to database information
It askes specification to be formatted, generation data base querying asks and submits to vehicle location information database, the phase of return to be received
Vehicle location information visualization display program is sent to after closing inquiry record.Vehicle location information visualization shows that program realizes life
The Visual Dynamics based on GIS map technology such as product stream vehicle location, tracking, path playback are shown and statistical graph information
Display.Vehicle location information database is responsible for storing and safeguards vehicle position history information record.Appoint with reference to current vehicle transport
Business arrangement situation, vehicle transport ability, current vehicle position and specific production and transport task, system can carry out production and transport automatically
Task and vehicle match and route or travel by vehicle are recommended, and realize production and transport vehicle scheduling optimization.
The present invention also provides a kind of method of the vehicle location trace scheduling system based on BDS and LoRa, including following step
Suddenly：
Step 1, in vehicle travel process, it is installed on the micro-control unit driving BDS of the on-vehicle positioning terminal on vehicle
Locating module gathers BDS location informations by sample frequency；Then, micro-control unit is by BDS location informations collected, vehicle-mounted fixed
Position terminal exclusive identification code and location time information are encapsulated as vehicle location information message；Then, micro-control unit controls LoRa
The vehicle location information message is sent to LoRa communication base stations by communication module；
In step 1, the on-vehicle positioning terminal also has the function of that shift point screens out, and realizes especially by the following manner：
On-vehicle positioning terminal improves positioning longitude using excessive acquisition method, specifically, the microcontroller of on-vehicle positioning terminal
Unit sets caching, and will be put into caching one by one after the BDS location informations parsing that BDS locating modules receive；When persistently connecing
After receiving N BDS location information, N is preset value, for example, being 7；Micro-control unit respectively using longitude data, dimension data as
Benchmark sorts, and longitude maximum point and longitude smallest point are marked in the sequence on the basis of longitude, on the basis of dimension
Latitude maximum point and latitude smallest point are marked in sequence；Then, in N BDS location information, by longitude maximum point, longitude most
Dot, latitude maximum point and latitude smallest point are deleted one by one, calculate the center of left point, distance center position is nearest
Point coordinates and its time are as this effective gathered data.
Step 2, the LoRa communication base stations receive the vehicle location information message that the LoRa communication modules are beamed back,
Then, the vehicle location information message received is sent to the locating and tracking scheduling by RJ45 Ethernets to put down
Platform；
The locating and tracking dispatching platform include vehicle location information packet parsing module, information inspection and memory module,
Information inquiry module, vehicle location information visualization display module and vehicle location information database；
When the locating and tracking dispatching platform receives the vehicle location information message, the vehicle location information report
Literary parsing module uniquely marks the vehicle location information packet parsing received for BDS location informations, on-vehicle positioning terminal
Know code and location time information；
Then, the vehicle that described information inspection and memory module are resolved to the vehicle location information packet parsing module
BDS location informations, on-vehicle positioning terminal exclusive identification code and location time information carry out consistency check, after inspection passes through,
The mapping relations of the BDS location informations of vehicle, on-vehicle positioning terminal exclusive identification code and location time information are stored to described
Vehicle location information database；
When the vehicle location information visualization display module receive come from Vehicle Dispatch Administration personnel operation please
When asking, the operation requests are submitted to described information enquiry module by the vehicle location information visualization display module；
After described information enquiry module receives the operation requests, according to database information query specification to the operation
Request is formatted, generation data base querying request, and submits to the vehicle location information database；Then described in receiving
The query result that vehicle location information database returns, and the query result is returned into the vehicle location information and is visualized
Display module；
The vehicle location information visualizes display module after the query result is received, by query result with visual
The form of change is presented to administrative staff.
Compared with prior art, beneficial effects of the present invention are embodied in following aspects：
(1) LoRa is a kind of wireless communication technique of low-power consumption long range, is mainly run in global free frequency range, network covers
Lid ability is strong, can fully meet the vehicle real-time positioning information wireless transmission demand of shipyard internal field production area.System uses base
It, can be to avoid other long range transmission technologies in the spread-spectrum signal wireless communication transmission vehicle real-time positioning information of LoRa technologies
2G, 3G, 4G etc. need to lead to the problem of traffic fee, reduce use cost；
(2) system use GIS technology and in the form of mapable real-time display production and transport vehicle position；
(3) real time position of the system based on production and transport vehicle can arrange the scheduling transportation of boat segmental etc. to appoint nearby
Business, optimization production and transport scheduling；
(4) system road flat car occupancy situation in real-time display shipyard field in the form of mapable, and can prompt point
Section transhipment path optimization analysis result.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (5)
1. a kind of vehicle location trace scheduling system based on BDS and LoRa, which is characterized in that including on-vehicle positioning terminal,
LoRa communication base stations and locating and tracking dispatching platform；The on-vehicle positioning terminal passes through LoRa wireless spread-spectrum signals and the LoRa
Communication base station is connected, and the LoRa communication base stations are connected by wired mode with the locating and tracking dispatching platform.
2. the vehicle location trace scheduling system according to claim 1 based on BDS and LoRa, which is characterized in that described
On-vehicle positioning terminal includes BDS locating modules, micro-control unit and LoRa communication modules；The micro-control unit respectively with it is described
BDS locating modules are connected with the LoRa communication modules.
3. the vehicle location trace scheduling system according to claim 1 based on BDS and LoRa, which is characterized in that described
LoRa communication base stations are LoRa/LoRaWAN gateways and concentrator.
4. a kind of method based on the vehicle location trace scheduling system described in claim 1 based on BDS and LoRa, feature
It is, comprises the following steps：
Step 1, in vehicle travel process, it is installed on the micro-control unit driving BDS positioning of the on-vehicle positioning terminal on vehicle
Module gathers BDS location informations by sample frequency；Then, micro-control unit is whole by the BDS location informations collected, vehicle positioning
End exclusive identification code and location time information are encapsulated as vehicle location information message；Then, micro-control unit controls LoRa is communicated
The vehicle location information message is sent to LoRa communication base stations by module；
Step 2, the LoRa communication base stations receive the vehicle location information message that the LoRa communication modules are beamed back, so
Afterwards, the vehicle location information message received is sent to the locating and tracking dispatching platform by RJ45 Ethernets；
The locating and tracking dispatching platform includes vehicle location information packet parsing module, information inspection and memory module, information
Enquiry module, vehicle location information visualization display module and vehicle location information database；
When the locating and tracking dispatching platform receives the vehicle location information message, the vehicle location information message solution
It is BDS location informations, on-vehicle positioning terminal exclusive identification code that module, which is analysed, by the vehicle location information packet parsing received
And location time information；
Then, the vehicle that described information inspection and memory module are resolved to the vehicle location information packet parsing module
BDS location informations, on-vehicle positioning terminal exclusive identification code and location time information carry out consistency check, will after inspection passes through
The mapping relations storage of the BDS location informations of vehicle, on-vehicle positioning terminal exclusive identification code and location time information is to the vehicle
Location information database；
When vehicle location information visualization display module receives the operation requests for coming from Vehicle Dispatch Administration personnel,
The operation requests are submitted to described information enquiry module by the vehicle location information visualization display module；
After described information enquiry module receives the operation requests, according to database information query specification to the operation requests
It is formatted, generation data base querying request, and submits to the vehicle location information database；Then the vehicle is received
The query result that location information database returns, and the query result is returned into the vehicle location information visualization display
Module；
The vehicle location information visualizes display module after the query result is received, by query result with visual
Form is presented to administrative staff.
5. the method for the vehicle location trace scheduling system according to claim 4 based on BDS and LoRa, feature exists
In in step 1, the on-vehicle positioning terminal also has the function of that shift point screens out, and realizes especially by the following manner：
On-vehicle positioning terminal improves positioning longitude using excessive acquisition method, specifically, the micro-control unit of on-vehicle positioning terminal
Caching is set, and caching will be put into one by one after the BDS location informations parsing that BDS locating modules receive；When lasting reception N items
After BDS location informations, N is preset value, and micro-control unit is sorted on the basis of longitude data, dimension data respectively, and
Longitude maximum point and longitude smallest point are marked in sequence on the basis of longitude, latitude is marked in the sequence on the basis of dimension
Maximum point and latitude smallest point；Then, in N BDS location information, by longitude maximum point, longitude smallest point, latitude maximum point
It is deleted one by one with latitude smallest point, calculates the center of left point, by the nearest point coordinates in distance center position and its time
As this effective gathered data.
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| CN201711434908.3A CN108111979B (en) | 2017-12-26 | 2017-12-26 | BDS and LoRa-based vehicle positioning, tracking and scheduling system and method |
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| CN201711434908.3A CN108111979B (en) | 2017-12-26 | 2017-12-26 | BDS and LoRa-based vehicle positioning, tracking and scheduling system and method |
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| CN109255964A (en) * | 2018-10-11 | 2019-01-22 | 深圳市亿兆互联技术有限公司 | Vehicle speed measuring method and system based on LoRa wisdom street lamp |
| CN110866713A (en) * | 2019-09-25 | 2020-03-06 | 上海优链供应链管理有限公司 | Logistics system based on LoRa technology and logistics supervision method |
| CN111523828A (en) * | 2020-05-25 | 2020-08-11 | 广东电网有限责任公司 | Self-adjusting center system of transport vehicle of mobile substation |
| CN118631677A (en) * | 2024-08-09 | 2024-09-10 | 西北工业大学 | LoRaWAN networking and positioning simulation system based on NS3 and CHIRPSTACK |
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Denomination of invention: Vehicle positioning tracking scheduling system and method based on BDS and LoRa Effective date of registration: 20220829 Granted publication date: 20200324 Pledgee: CSSC Finance Co.,Ltd. Pledgor: CHINA SHIPBUILDING IT Corp.,Ltd. Registration number: Y2022980013892 |
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