CN106781619A - A kind of vehicle dispatch system and car-mounted terminal - Google Patents
A kind of vehicle dispatch system and car-mounted terminal Download PDFInfo
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- CN106781619A CN106781619A CN201710052871.1A CN201710052871A CN106781619A CN 106781619 A CN106781619 A CN 106781619A CN 201710052871 A CN201710052871 A CN 201710052871A CN 106781619 A CN106781619 A CN 106781619A
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- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
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Abstract
The embodiment of the present application provides a kind of vehicle dispatch system and car-mounted terminal, is used to solve the problems, such as that existing scheduling system is present because of positioning precision difference and the scope of application is confined to public network environment.System includes：The positioning precision being connected with industrial control mainboard module including industrial control mainboard module, respectively for sub-meter grade Big Dipper locating module and at least two network communication modules car-mounted terminal, and Network Interface Module and scheduler module dispatch server；Big Dipper locating module, the positional information for gathering car-mounted terminal；Industrial control mainboard module, for processing positional information, the positional information obtained after treatment is transmitted to network communication module, and the dispatch command is processed；Network communication module, for based on the positional information and reception dispatch command obtained after heterogeneous communications network transmission processe；Network Interface Module, for receiving position information and transmission dispatch command；Scheduler module, for based on the positional information, assigning dispatch command.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of vehicle dispatch system and car-mounted terminal.
Background technology
The main of traditional vehicle dispatch system is made up of car-mounted terminal and dispatch server.Wherein, it is vehicle-mounted in system
Terminal uses Big Dipper location technology, and the positioning precision of location data is at 10 meters or so.Car-mounted terminal and big-dipper satellite in system
Communicated, obtained location data, afterwards, car-mounted terminal by public network transmissions to dispatch server, is adjusted location data
Degree server is scheduled instruction and issues based on the location data for receiving to the car-mounted terminal.
Above-mentioned traditional vehicle dispatch system realizes the scheduling to car-mounted terminal.However, due to above-mentioned car-mounted terminal
Positioning precision is not high, and data transfer between car-mounted terminal and dispatch server is higher to the dependence of public network environment, only
Suitable for the business scenario of public network environment.This is allowed in the case where the service environment of enterprise is complex and various, for example：
The emergency management and rescue of the industries such as colliery, chemical industry, electric power；Government's earthquake is speedily carried out rescue work, and is fought flood and relieve victims, forest fire protection；Army is instructed, public security,
Situations such as Frontier armed police is searched and rescued, above-mentioned vehicle dispatch system cannot meet the business demand of enterprise.
The content of the invention
The embodiment of the present application provides a kind of vehicle dispatch system and car-mounted terminal, is used to solve existing vehicle dispatch system
Exist because of positioning precision difference and the scope of application is confined to caused by public network environment to meet the business demand of enterprise
Problem.
A kind of vehicle dispatch system, including：Car-mounted terminal and dispatch server；The car-mounted terminal includes：Industrial control mainboard
Module, the positioning precision being connected with the industrial control mainboard module respectively are the Big Dipper locating module and at least two networks of sub-meter grade
Communication module, wherein, each network communication module is different, and at least two network communication modules include at least one for creating
Build the network communication module of private network environment；
The dispatch server includes：Network Interface Module and scheduler module；
The Big Dipper locating module, the positional information for gathering car-mounted terminal；
The industrial control mainboard module, for processing the positional information, the positional information that will be obtained after treatment is passed
Network communication module is transported to, and the dispatch command is processed；
The network communication module, for based on the positional information and reception obtained after heterogeneous communications network transmission processe
Dispatch command；
The Network Interface Module, for receiving position information and transmission dispatch command；
The scheduler module, for based on the positional information, assigning dispatch command.
A kind of car-mounted terminal, the car-mounted terminal includes：Industrial control mainboard module, it is connected with the industrial control mainboard module respectively
Positioning precision for sub-meter grade Big Dipper locating module and at least two network communication modules, wherein, each network communication module is mutual
Differ, at least two network communication modules include at least one network communication module for being used to create private network environment；
The Big Dipper locating module, the positional information for gathering car-mounted terminal；
The industrial control mainboard module, for processing the positional information, the positional information that will be obtained after treatment is passed
Network communication module is transported to, and the dispatch command is processed；
The network communication module, for based on the positional information and reception obtained after heterogeneous communications network transmission processe
Dispatch command.
In the scheme of the embodiment of the present application, car-mounted terminal has the Big Dipper locating module that positioning precision is sub-meter grade, and
The transmission of the positional information of vehicle is carried out based on heterogeneous network technologies, and at least two network communication modules include at least one
The individual network communication module for creating private network environment, just be combined for Big Dipper high accuracy positioning and heterogeneous network technologies by this, real
Network free switching, the dependence to public network environment between convenience, network for having showed car-mounted terminal die down and high-precision fixed bit function, enter
And the command centre with dispatch server can real-time and accurately determine the position of vehicle, can meet enterprise service environment compared with
It is the business demand under complex situations.
Brief description of the drawings
The structural representation of the vehicle dispatch system that Fig. 1 is provided for the embodiment of the present application；
The structural representation of the Big Dipper high accuracy positioning module that Fig. 2 is provided for the embodiment of the present application；
The structural representation of the Big Dipper short message module that Fig. 3 is provided for the embodiment of the present application；
The structural representation of the MESH MANET modules that Fig. 4 is provided for the embodiment of the present application；
The systematic difference configuration diagram that Fig. 5 is provided for the embodiment of the present application；
The network topology structure schematic diagram of the scheduling system that Fig. 6 is provided for the embodiment of the present application；
The structural representation of the dispatch server that Fig. 7 is provided for the embodiment of the present application.
Specific embodiment
In order to solve that existing vehicle dispatch system is present because of positioning precision difference and the scope of application is confined to public network
The problem of the business demand of enterprise cannot be met caused by environment, the embodiment of the present application provides a kind of vehicle dispatch system and car
Mounted terminal.
The preferred embodiment of the application is illustrated below in conjunction with Figure of description, it will be appreciated that described herein
Preferred embodiment is merely to illustrate and explains the application, is not used to limit the application.And in the case where not conflicting, this Shen
Please in embodiment and the feature in embodiment can be mutually combined.
Below in conjunction with the accompanying drawings, the system and device for being provided the application with specific embodiment are described in detail.
As shown in figure 1, the structural representation of its vehicle dispatch system provided for the embodiment of the present application.System includes：Car
Mounted terminal 11 and dispatch server 12；
Wherein, car-mounted terminal 11 includes：Industrial control mainboard module 110, respectively with determining that the industrial control mainboard module 110 is connected
Position precision is the network communication module 112 of Big Dipper locating module 111 and at least two of sub-meter grade, wherein, each network communication module
Different, at least two network communication modules include at least one network communication module for being used to create private network environment；
Dispatch server 12 includes：Network Interface Module 120 and scheduler module 121；
The Big Dipper locating module 111, the positional information for gathering car-mounted terminal；
The industrial control mainboard module 110, for processing the positional information, the positional information that will be obtained after treatment
Transmit to network communication module, and the dispatch command is processed；
The network communication module 112, for based on the positional information that is obtained after heterogeneous communications network transmission processe and
Receive dispatch command；
The Network Interface Module 120, for receiving position information and transmission dispatch command；
The scheduler module 121, for based on the positional information, assigning dispatch command.
Because the positioning precision of the Big Dipper locating module in the application is in sub-meter grade, therefore, also can be by the Big Dipper of the application
Locating module is referred to as Big Dipper high accuracy positioning module, Big Dipper high accuracy positioning module：High accuracy positioning module uses advanced work
Industry level chip and the location technology of industry-leading, can receive the satellite navigation signals of BDS, GPS, GLONASS and SBAS, with list
Frequently, double frequency, three frequencies, multisystem combined positioning function.Module can realize the sub_meter position of vehicle, personnel, with reference to GIS map work(
Can, can in real time show their position.Big Dipper high accuracy positioning modular structure block diagram can be with as shown in Fig. 2 it be main integrated
Big Dipper high accuracy positioning and solving unit, memory cell, communication interface, four parts of power subsystem, Big Dipper high accuracy positioning
And solving unit includes central processing unit and positioning two parts, processor, can using the microcontroller based on ARM Cortex-M3
Run under the up to frequency of 120MHz, position portion uses low power dissipation design, hardware size compatibility market mainstream OEM
Plate, there is provided grade carrier phase observation data and 0.2 degree of direction finding precision, is especially suitable for high-acruracy survey mapping and vehicle is fixed
The application of position orientation；Storage part uses SDRAM memory, and with low-power consumption, capacity reaches 64MB；Communication interface part includes
UART, RJ45 communication interface；Power subsystem is input into using DC12V, two kinds of power supply outputs of DC5V and DC3.3V.
Preferably, being the unique function of the Big Dipper in view of Big Dipper short message module, two-way communication is carried out using satellite, had
Big Dipper short message, in the case of no mobile communication signal, using satellite, can both allow server to know car-mounted terminal
Position, it is also possible to which active photos and sending messages inform the position of dispatch server car-mounted terminal, plays what be can not be substituted in emergency disaster relief
Important function, the network communication module also includes：The Big Dipper short message module being connected with industrial control mainboard module.
The Big Dipper short message module 113, under the control of industrial control mainboard module, receiving the short message of input, will
Short message is packaged into Big Dipper short message transmission；
The Network Interface Module 120, is additionally operable to receive Big Dipper short message information；
The scheduler module 121, for based on the Big Dipper short message information, assigning dispatch command.
The structural representation of above-mentioned Big Dipper short message module is as shown in figure 3, Big Dipper short message：Module is integrated with high-performance
The special RDSS baseband chips of RDSS rf chips, the power amplifier module of 5W power outputs, the Big Dipper.In inside modules RDSS modules
Two-way LNA is put, wherein LNA is S frequencies all the way, realization is filtered to RDSS satellite-signals, low noise amplification, and user is without outer
LNA is put, passive antenna is directly connected to；LNA is BD2B1/GPS L1 frequencies all the way in addition, is configurable circuit, can be with root
The antenna type that uses according to client carries out corresponding hardware configuration.
Preferably, including for creating the network communication module of private network：Wireless mesh network MESH MANETs module and nothing
Line fidelity Wi-Fi module.
Above-mentioned Wi-Fi network module, can carry out networking configuration and data transfer with external wireless aps network node；Mainly
Communicated for there is AP network's coverage areas.
The structural representation of above-mentioned MESH MANETs module can be as shown in figure 4, mainly include Wireless MESH master unit, power amplifier
Unit, receiving unit, 4 parts of transmitter unit are constituted, and equipment voluntarily networking can be realized by MESH modules, form LAN
Covering, realizes terminal device data transfer.Network data can carry out data and add in transmitting procedure using des encryption technology
It is close.
When car-mounted terminal includes MESH MANETs module and Big Dipper short message module, realize that data are led to by big-dipper satellite
Letter, after terminal leaves Wireless MESH network overlay area, can produce alarm, while sending vehicle in real time by Big Dipper short message
Positional information.Short message information can be customized according to the demand of user and write transmission, and byte number no more than designs rule
Fixed number.
When car-mounted terminal has MESH MANET modules, scheduling system has multi-multipoint netted (MESH) characteristic,
The wireless communication link of multiple directions characteristic can be simultaneously opened, this is very beneficial for reducing device category sum during use
Amount, substantially reduces the service time of whole communication system, and can effectively reduce weapon procurement cost.
Multimedia messages are interacted between car-mounted terminal and dispatch server for convenience, meet the different application scene of enterprise
Demand, preferably, the industrial control mainboard module include audio-video interface；
The audio-video interface, for obtaining audio/video information；
The industrial control mainboard module, is additionally operable to process the audio/video information, the audio frequency and video that will be obtained after treatment
Information transfer is to network communication module；
The network communication module, is additionally operable to based on the audio/video information obtained after heterogeneous communications network transmission processe；
The Network Interface Module, is additionally operable to receive audio/video information；
The scheduler module, is additionally operable to process the audio/video information for receiving.
Optionally, network communication module also includes：3G/4G mixed-media network modules mixed-medias；
The 3G/4G mixed-media network modules mixed-medias, for sending and receiving data, these data may include：Positional information, emergency
Warning information, driving range warning information, audio/video information etc..
3G/4G mixed-media network modules mixed-medias：Incoming communication is realized by inserting mobile communication 3G/4G SIMs, is mainly used in movement
In the environment of the 3G/4G network coverages.
Certainly, above-mentioned car-mounted terminal also includes power supply：Car-mounted terminal can be respectively DC12V with 2 kinds of output voltages are had
And DC24V.Design wide-voltage range input power module (DC9V-DC36V).Module is changed and voltage stabilizing by DC voltage,
The voltage of DC12V is powered to industrial control mainboard, Big Dipper high accuracy positioning module for power supply, display screen respectively；DC24V voltages are distinguished
To Wireless MESH module, Big Dipper short message.For portable people's carried terminal equipment, in addition it is also necessary to powered using battery, be easy to
Without being worked under external power supply environment.
In order to obtain the trace information of car-mounted terminal, the historical track information of car-mounted terminal is inquired about, preferably, the scheduling
Server also includes：Memory module 122；
The memory module 122, for storing the positional information and Distribution GIS information；
The scheduler module, is additionally operable to carry out the historical position information of each car-mounted terminal using the GIS information of storage
Treatment, obtains the historical track information of each car-mounted terminal.
In case of emergency, car-mounted terminal needs emergency alarm, preferably, the car-mounted terminal also includes：Data input
Module；
The data input module, for receiving emergency warning information；Here data input module can be key
The data input devices such as disk.
The industrial control mainboard module, for processing the warning information, the emergency that will be obtained after treatment is accused
Warn information transfer to network communication module；
The network communication module, for alerting letter based on the emergency obtained after heterogeneous communications network transmission processe
Breath；
The Network Interface Module, is additionally operable to receive emergency warning information；
The scheduler module, for processing the emergency warning information for receiving.
In order to realize the fence function of car-mounted terminal, preferable monitoring of the dispatch server to car-mounted terminal is realized, compared with
Good, the industrial control mainboard module is additionally operable to the positional information based on the collection of Big Dipper locating module and the vehicle row for pre-setting
Range information is sailed, when the position represented by the positional information exceeds the driving range represented by the driving range information,
Generation driving range warning information；
The network communication module, for sending generation driving range warning information based on heterogeneous communications network；
The Network Interface Module, is additionally operable to receive driving range warning information；
The scheduler module, is additionally operable to process the driving range warning information for receiving.
Specifically, the System Application Architecture of the application can show such as Fig. 5, including sensing layer, Internet, podium level and user
Layer；Wherein：
Sensing layer：It is substantially carried out data acquisition, storage and processes, Big Dipper location data, the Big Dipper is realized by system terminal
Short message data acquisition, realizes voice, the video information collection of user.
Internet：Data acquisition of terminal can combine live physical condition, and data transfer is realized by various isomeries, including
The multiple network conditions such as Big Dipper short message network, WIFI network, MESH MANETs, 3G/4G networks.
Podium level：Transmitted data on network is received, realizes that Data Integration is developed, form system application platform.Systematic difference
The main application content such as including Big Dipper positioning, GIS, equipment control, multimedia communication of platform.Platform realizes that various functions are integrated,
Carry out United Dispatching management.
Client layer：System be mainly used in industry emergency management and rescue, army instruct, the field such as common service.
The scheduling system that above-mentioned application architecture builds can upload the data to commander in chief center by Beidou communication network,
Carry out data analysis to show, for the scheduling at commander in chief center provides data supporting.Now, the network topology structure of scheduling system is shown
Intention can be as shown in fig. 6, the synthesis business platform in Fig. 6 be above-mentioned dispatch server.
Show such as Fig. 6, scheduling system can access multiple network and enter row data communication, including Big Dipper short message, Wi-Fi nets,
3G/4G mobile networks and MESH MANETs；Existing network can be accessed according to actual application environment terminal or oneself sets up MESH
Communication network enters row data communication, realizes data transfer and shares.Communication terminal is integrated with the short report of Big Dipper high accuracy positioning, the Big Dipper
The functional modules such as text, multimedia communication, can carry out IMAQ and speech communication with external connection video camera and headset.Utilize
Synthesis business platform, it is possible to achieve positional information collection, vehicle historical track to terminal are looked back, the video information of vehicle is adopted
The functions such as collection, automobile video frequency meeting, voice call, vehicle one-touch alarm, fence.Meanwhile, scheduling system can be by the Big Dipper
Location data uploads to commander in chief center, realizes data sharing, is that command centre provides decision support.
Above-mentioned synthesis business platform can realize the basic management of end message, Map Service, map data management,
The functions such as monitor in real time, historical track playback, multimedia service, alarm management, equipment control.According to functional requirement, the application
The application architecture of the above-mentioned synthesis business platform in embodiment can be as shown in Figure 7.
Synthesis business platform mainly includes 5 Rotating fields, is respectively supporting layer, data Layer, business function, service application, UI,
Wherein：
Supporting layer：Supporting layer is the operation basis of platform, and the main hardware support facility including platform, including storage sets
Standby, safety means, web-transporting device, software support section are the operating system of platform, the support of other communication protocols.
Data Layer：It is mainly used to store, processes and analyze data, for the operation of whole platform provides data supporting.According to
The function of platform can split data into Service Database, map data base, historical data base.
Business function：Data are packed, is encapsulated, data, services are carried out according to application function, be that service application layer is carried
For support；Mainly include common service service, login service, terminal data receive service, MESH configuration services, data, services,
Map Services, buffer service, log services.
Service application：According to systemic-function application, with base layer support as data basis, whole platform can divide in application layer
It is user management, rights management, Role Management, alarm management, management and running, vehicle monitoring, historical track, fence, end
End configuration, video monitoring.
UI：UI interfaces mainly include two kinds of design architectures, are respectively C/S frameworks and B/S frameworks.
Said system may be designed as the system based on software radio framework.Hardware system can totally be divided into two parts：
The intermediate frequency and baseband processing portion being made up of AD, DA, CLOCK and FPGA, and by Flash, DDR, it is general that FPGA is embedded in
The embedded system part that CPU is constituted, is mainly used in realizing wireless network route and protocol gateway function.Software is related to FPGA
IP kernel include self-organization network technology algorithm (synchronous, access, route), digital baseband technique algorithm (channel coding/decoding, intertexture,
Modulation /demodulation, filtering), digital front-end technological core algorithm (Digital up and down convert, digital pre-distortion, peak-to-average force ratio compression) etc..Net
Network access process includes：State is intercepted, application status, synchronous adjustment state is accessed, is set up connection table status, service communication shape
State.
The scheduling system of the application, has reached sub-meter grade or even centimeter-level positioning precision, can combine GIS ground to car-mounted terminal
Figure realize the determination and inquiry of the historical track of car-mounted terminal, car-mounted terminal can collection site video image, and can enter
Row two way voice communication, also achieves car-mounted terminal emergency alert function, and system can be accessed with multiple network,
Without under external network condition, car-mounted terminal possesses mesh MANET functions, can realize self-configuring, self-healing, with compatibility,
Connectivity；Each terminal can mutually relay the collection information (positioning, audio frequency and video) of other terminals in LAN, and relaying path can be by
Car-mounted terminal is automatically updated at any time according to on-site actual situations, realizes that positioning and short message communication can be using any without main website
A kind of network carries out data transmission.
Based on same inventive concept, the embodiment of the present application additionally provides a kind of car-mounted terminal and dispatch server, due to this
The principle of car-mounted terminal and dispatch server institute solve problem is similar to aforementioned system, therefore the car-mounted terminal and dispatch server
Implementation may refer to the implementation of preceding method, the structure of car-mounted terminal and dispatch server also can be found in aforementioned system, repeat
Part is repeated no more.
A kind of car-mounted terminal, the car-mounted terminal includes：Industrial control mainboard module, it is connected with the industrial control mainboard module respectively
Positioning precision for sub-meter grade Big Dipper locating module and at least two network communication modules, wherein, each network communication module is mutual
Differ, at least two network communication modules include at least one network communication module for being used to create private network environment；
The Big Dipper locating module, the positional information for gathering car-mounted terminal；
The industrial control mainboard module, for processing the positional information, the positional information that will be obtained after treatment is passed
Network communication module is transported to, and the dispatch command is processed；
The network communication module, for based on the positional information and reception obtained after heterogeneous communications network transmission processe
Dispatch command.
Preferably, including for creating the network communication module of private network：Wireless mesh network MESH MANETs module and nothing
Line fidelity Wi-Fi module.
Preferably, the industrial control mainboard module includes audio-video interface；
The audio-video interface, for obtaining audio/video information；
The industrial control mainboard module, is additionally operable to process the audio/video information, the audio frequency and video that will be obtained after treatment
Information transfer is to network communication module；
The network communication module, is additionally operable to based on the audio/video information obtained after heterogeneous communications network transmission processe.
Preferably, the industrial control mainboard module, is additionally operable to the positional information based on the collection of Big Dipper locating module and sets in advance
The vehicle driving range information put, in the position represented by the positional information beyond the row represented by the driving range information
When sailing scope, driving range warning information is generated；
The network communication module, for sending generation driving range warning information based on heterogeneous communications network.
A kind of dispatch server, the dispatch server includes：Network Interface Module and scheduler module；
The Network Interface Module, for receiving position information and transmission dispatch command；
The scheduler module, for based on the positional information, assigning dispatch command.
Preferably, the Network Interface Module, is additionally operable to receive audio/video information；
The scheduler module, is additionally operable to process the audio/video information for receiving.
Preferably, the dispatch server also includes：Memory module；
The memory module, for storing the positional information and Distribution GIS information；
The scheduler module, is additionally operable to carry out the historical position information of each car-mounted terminal using the GIS information of storage
Treatment, obtains the historical track information of each car-mounted terminal.
Preferably, the Network Interface Module, is additionally operable to receive emergency warning information；
The scheduler module, for processing the emergency warning information for receiving.
Preferably, the Network Interface Module, is additionally operable to receive driving range warning information；
The scheduler module, is additionally operable to process the driving range warning information for receiving.
In order to preferably understand the scheme of the embodiment of the present application, the key technology used in the embodiment of the present application is entered below
Row explanation, including：Big Dipper differential technique, heterogeneous network technologies, des encryption technology, highly reliable, High Availabitity product integrated technology and
Embedded development technology；Wherein：
For being described as follows for Big Dipper differential technique：
Common Big Dipper positioning is sent with time target band class information to terminal by satellite, but is believed due to sending
Breath is influenceed by atmospheric ionized layer, it is easy to causes positioning inaccurate, there is the situation of error, so positioning accuracy-normal exists
10 meters to 50 meters.Big Dipper high-precision location technique is there is error problem and is researched and developed to solve common positioning
Technology, it is exactly mainly Big Dipper differential technique using technology.
Big Dipper differential technique is exactly by setting up Big Dipper differential reference station around Beidou subscriber machine, obtaining by ephemeris, greatly
Gas refraction, earth rotation and relativistic effect equal error source and the range error that causes, and by notice Big Dipper user；The Big Dipper is used
Its difference is fallen in ranging process in family, to improve range accuracy, and then reaches the technology for improving positioning precision.Its operation principle is
A set of differential reference station equipment is set up in the place known a position, is forwarded difference information using communication mode, and
User equipment near differential reference station obtain satellite apart from observed quantity；Satellite ephemeris, the difference in navigation message are extracted simultaneously
Differential corrections, the integrity information for dividing base station to send；Then resolved by differential data, obtain accurate customer location.
The terminal user positioned by differential technique principle there is also difference, usual user's deviation in precision aspect
The distance of point base station is nearer, and precision is higher；So high accuracy positioning precision can reach sub-meter grade even Centimeter Level.
For being described as follows for heterogeneous network technologies：
System can carry out network service on the basis of traditional ethernet, such as traditional Wi-Fi wireless networks and 3G/4G are moved
Dynamic network；On this basis, applied to meet the network black spots of subregion, system terminal possesses Wireless MESH MANET skill
Art, realizes that system communicates by from constructing local network.MESH Radio Network Systems based on TDD/TDMA technologies are mainly used in group
The wireless network based on IP data transfers is built, the wireless network of system constructing is a kind of wireless mesh network, also referred to as " multi-hop
(multi-hop) " network.The system MANET is by two or many station terminal equipment are constituted, and terminal device includes vehicle-mounted and portable
The Multiple Types such as formula.Can constitute mesh network between multiple devices, network structure flexibly, be one kind without main website, self-organizing network,
With selfreparing, self-balancing, the function of automatic extension, dynamic auto group can be realized in the case where changing occurs in terminal location
Net.The information such as audio frequency and video and data can be transmitted in the form of IP bags in network.Base station and multiple mobile terminals in system connect
Enter point device using same frequency, greatly saved frequency resource, be also convenient for the extension of system.
The network can simultaneously allow multiple terminals online, it is adaptable to point-to-point in the case of multi-user and point-to-multipoint logical
Letter.Other each terminal built-in phonetic function, is capable of achieving point-to-point and point-to-multipoint grouies busy function.The built-in DES of terminal device adds
Close function, it is ensured that unauthorized terminal device cannot un-authorised access to network, it is ensured that network security.In the wireless network, it is any
Wireless device node can be sent and received signal, and each node can be carried out directly with one or more peer node
Communicate or by other node relay communications.New equipment is added if desired, it is only necessary to is simply connected with the mains, is set
The wireless parameter such as frequency and bandwidth, the equipment can be automatically added to network in the range of network signal afterwards, and can automatically determine
Data transfer optimal path.
For being described as follows for des encryption technology：
In special industry, the application field of work post, information security is very important basis；This time the system of research and development can divide
Do not apply in special dimensions such as emergency management and rescue, armies, so the data safety of whole system is very importantly.Des encryption skill
Art is the more common a kind of safe encryption technology of network communications industry.DES is operated to 64 clear packets.By one
Clear packets are divided into left-half and right half part, each 32 bit length by initial permutation.Then the identical fortune of 16 wheels is carried out
Calculate, these computings are referred to as function f, and data are combined with key in calculating process.After 16 take turns, left and right half portion division exists
(inverse permutation of initial permutation) is replaced by an end together, algorithm is just completed.In each round, key bit shift, then
Again 48 are selected from 56 of key.The right half part of data is extended to 48 by an extension displacement, and by one
Individual xor operation is combined with 48 keys, is replaced into 32 new data by this 48 by 8 S boxes, then replaced once.
This four steps computing constitutes function f.Then, by another XOR, the output of function f is combined with left-half, its knot
Fruit becomes new left-half.The operation is repeated 16 times, the 16 wheel computings of DES are just realized.
It is described as follows for highly reliable, High Availabitity product integrated technology：
Big Dipper high-precision location technique, heterogeneous network technologies, multimedia communication technology are carried out integrated, software by system terminal
Platform realizes Big Dipper high accuracy positioning, Big Dipper short message, heterogeneous network, geography information, a key alarm, fence, video
Integrated, a set of highly reliable, the High Availabitity integrated products of formation of the functions such as communication.System design meets war products standard and wants
Ask, Reliability Assurance is accomplished in the design, type selecting process from each board.The product of system is integrated to be mainly used in different industries
Emergency management and rescue field, so accomplishing broad applicability in use, can not only be applied to military industry field, it is also possible to reduce
Cost is applied in civilian and industrial circle.
For being described as follows for embedded development technology：
Embedded development technology is application-centered, and based on computer technology, soft and hardware can cut, and adapts to application
Dedicated computer system of the system to requirements such as function, volume, power consumptions.The system product this time researched and developed, in systems soft ware and firmly
There is strict limitation on part plate, using modular design method, for aspects such as system compatible, upgradings with larger excellent
Gesture；Application system also passes through fine cutting, and the structural volume of each board of terminal, voltage, power dissipation design are also required, with
Meet the follow-up secondary development of product and upgrading.
The embodiment of the present application is accessible to be had the beneficial effect that：
1st, Big Dipper high accuracy positioning and heterogeneous network technologies are combined first, realize that the networking of terminal device is convenient, can
MANET, network freedom switching and high-precision fixed bit function, command centre can in real time determine the position of terminal user.
2nd, dispatch server is multiple functional, with voice, video, positioning, vehicle information management, trace playback, alarm, electricity
The functions such as sub- fence, it is practical.Dispatch server is developed using modularized design, and compatibility is strong, is easy to subsequent development and is
System upgrading.
3rd, using heterogeneous network adaptive technique, data transfer is realized.
4th, car-mounted terminal is integrated with the board of the multiple function such as the Big Dipper, network, multimedia, with high integration.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present application
Can be realized by hardware, it is also possible to realized by the mode of software plus necessary general hardware platform.Based on such understanding,
The technical scheme of the embodiment of the present application can be embodied in the form of software product, and the software product can store non-at one
Volatile storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in, including some instructions are used to so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the method described in the application each embodiment.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for preferred embodiment, module or stream in accompanying drawing
Journey is not necessarily implemented necessary to the application.
It will be appreciated by those skilled in the art that the module in embodiment in terminal can be distributed according to embodiment description
In the terminal of embodiment, it is also possible to carry out respective change and be disposed other than in one or more terminals of the present embodiment.It is above-mentioned
The module of embodiment can merge into a module, it is also possible to be further split into multiple submodule.
Above-mentioned the embodiment of the present application sequence number is for illustration only, and the quality of embodiment is not represented.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the application to the application
God and scope.So, if these modifications of the application and modification belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising these changes and modification.
Claims (10)
1. a kind of vehicle dispatch system, it is characterised in that including：Car-mounted terminal and dispatch server；The car-mounted terminal includes：
Industrial control mainboard module, the positioning precision being connected with the industrial control mainboard module respectively are the Big Dipper locating module and at least of sub-meter grade
Two network communication modules, wherein, each network communication module is different, and at least two network communication modules include at least one
The individual network communication module for creating private network environment；
The dispatch server includes：Network Interface Module and scheduler module；
The Big Dipper locating module, the positional information for gathering car-mounted terminal；
The industrial control mainboard module, for processing the positional information, by the positional information obtained after treatment transmit to
Network communication module, and the dispatch command is processed；
The network communication module, for being dispatched based on the positional information and reception that are obtained after heterogeneous communications network transmission processe
Instruction；
The Network Interface Module, for receiving position information and transmission dispatch command；
The scheduler module, for based on the positional information, assigning dispatch command.
2. the system as claimed in claim 1, it is characterised in that the network communication module for creating private network includes：Wireless network
Grid network MESH MANETs module and Wireless Fidelity Wi-Fi module.
3. the system as claimed in claim 1, it is characterised in that the industrial control mainboard module includes audio-video interface；
The audio-video interface, for obtaining audio/video information；
The industrial control mainboard module, is additionally operable to process the audio/video information, the audio/video information that will be obtained after treatment
Transmit to network communication module；
The network communication module, is additionally operable to based on the audio/video information obtained after heterogeneous communications network transmission processe；
The Network Interface Module, is additionally operable to receive audio/video information；
The scheduler module, is additionally operable to process the audio/video information for receiving.
4. the system as claimed in claim 1, it is characterised in that the dispatch server also includes：Memory module；
The memory module, for storing the positional information and Distribution GIS information；
The scheduler module, is additionally operable to process the historical position information of each car-mounted terminal using the GIS information of storage,
Obtain the historical track information of each car-mounted terminal.
5. the system as claimed in claim 1, it is characterised in that the car-mounted terminal also includes：Data input module；
The data input module, for receiving emergency warning information；
The industrial control mainboard module, for processing the warning information, the emergency alarm letter that will be obtained after treatment
Breath is transmitted to network communication module；
The network communication module, for based on the emergency warning information obtained after heterogeneous communications network transmission processe；
The Network Interface Module, is additionally operable to receive emergency warning information；
The scheduler module, for processing the emergency warning information for receiving.
6. the system as claimed in claim 1, it is characterised in that the industrial control mainboard module, is additionally operable to based on Big Dipper positioning mould
The positional information of block collection and the vehicle driving range information for pre-setting, institute is exceeded in the position represented by the positional information
When stating the driving range represented by driving range information, driving range warning information is generated；
The network communication module, for sending generation driving range warning information based on heterogeneous communications network；
The Network Interface Module, is additionally operable to receive driving range warning information；
The scheduler module, is additionally operable to process the driving range warning information for receiving.
7. a kind of car-mounted terminal, it is characterised in that the car-mounted terminal includes：Industrial control mainboard module, respectively with the industry control master
The connected positioning precision of plate module is the Big Dipper locating module and at least two network communication modules of sub-meter grade, wherein, each network
Communication module is different, and at least two network communication modules include at least one network service for being used to create private network environment
Module；
The Big Dipper locating module, the positional information for gathering car-mounted terminal；
The industrial control mainboard module, for processing the positional information, by the positional information obtained after treatment transmit to
Network communication module, and the dispatch command is processed；
The network communication module, for being dispatched based on the positional information and reception that are obtained after heterogeneous communications network transmission processe
Instruction.
8. car-mounted terminal as claimed in claim 7, it is characterised in that the network communication module for creating private network includes：Nothing
Wire grid network MESH MANETs module and Wireless Fidelity Wi-Fi module.
9. car-mounted terminal as claimed in claim 7, it is characterised in that the industrial control mainboard module includes audio-video interface；
The audio-video interface, for obtaining audio/video information；
The industrial control mainboard module, is additionally operable to process the audio/video information, the audio/video information that will be obtained after treatment
Transmit to network communication module；
The network communication module, is additionally operable to based on the audio/video information obtained after heterogeneous communications network transmission processe.
10. car-mounted terminal as claimed in claim 7, it is characterised in that the industrial control mainboard module, it is fixed based on the Big Dipper to be additionally operable to
The positional information of position module collection and the vehicle driving range information for pre-setting, surpass in the position represented by the positional information
When going out the driving range represented by the driving range information, driving range warning information is generated；
The network communication module, for sending generation driving range warning information based on heterogeneous communications network.
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| CN201710052871.1A CN106781619A (en) | 2017-01-22 | 2017-01-22 | A kind of vehicle dispatch system and car-mounted terminal |
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| CN201710052871.1A CN106781619A (en) | 2017-01-22 | 2017-01-22 | A kind of vehicle dispatch system and car-mounted terminal |
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