CN106781591A - A kind of city vehicle navigation system based on bus or train route collaboration - Google Patents
A kind of city vehicle navigation system based on bus or train route collaboration Download PDFInfo
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- CN106781591A CN106781591A CN201611175101.8A CN201611175101A CN106781591A CN 106781591 A CN106781591 A CN 106781591A CN 201611175101 A CN201611175101 A CN 201611175101A CN 106781591 A CN106781591 A CN 106781591A
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- 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
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
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- 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
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
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Abstract
The invention discloses a kind of city vehicle navigation system based on bus or train route collaboration, overcome not consider the traveling dynamic problem of other vehicles of section when vehicle provides navigation, it includes road side system, onboard system, intelligent mobile terminal and server；Intelligent mobile terminal with display device for mounting on vehicle is connected using USB data line or by bluetooth；Road side system includes trackside bogey, trackside radio-cell and trackside information processor；Trackside radio-cell includes hotspot；Trackside information processor uses PC104 embedded computers；PC104 embedded computers are connected with hotspot by USB interface 2 using data wire, and the radio-cell that road side system passes through hotspot and onboard system is wireless connection；Road side system is set up with intelligent mobile terminal by wireless network and is connected by the remote communication module of trackside radio-cell and the data transceiving unit wireless connection of server, the radio data-transmission equipment of the data transceiving unit of server.
Description
Technical field
The present invention relates to urban traffic control and a kind of guider of the automobile navigation communications field, more precisely, this
Invention is related to a kind of city vehicle navigation system based on bus or train route collaboration.
Background technology
Bus or train route coordination technique is the intelligent transport technology with the bus or train route communication technology based on truck traffic.Vehicle, road side system
The information of vehicle and condition of road surface can be in real time exchanged and traffic control center between.In recent years, the popularization with automobile and city
The construction of city's road, urban highway traffic becomes increasingly complex, and traffic congestion problem is more and more universal.Therefore, how according to built city
City's road accurate navigation feature for driver provides, each bar road in city is farthest ensured using built urban road
Smooth traffic be main problem at present.To solve the navigation problem and traffic jam issue of city vehicle, it is necessary to one kind
City vehicle navigation system based on vehicle-subgrade system.
Application study at present on bus or train route collaboration in traffic is very extensive, the navigation system this respect based on bus or train route collaboration
Patent also have, such as patent announcement number be CN104949684A, the day for announcing be September 30 in 2015, entitled " base
In the onboard navigation system of bus or train route collaboration ".System can realize traffic route Dynamic Programming described in the patent, on original navigation road
When footpath gets congestion, can in time change guidance path and remind driver, but the system does not account for other driving of the section
The change of the guidance path of member, if many automobiles change guidance path simultaneously, it is more likely that cause the congestion in another section.
The content of the invention
The technical problems to be solved by the invention be overcome prior art presence when navigation is provided for vehicle, do not examine
Consider the traveling dynamic problem of other vehicles of section, there is provided a kind of city vehicle navigation system based on bus or train route collaboration.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization：Described one kind is based on bus or train route
The city vehicle navigation system of collaboration includes terminal cluster and is arranged on the server of traffic control center；
Described terminal cluster includes road side system, onboard system and intelligent mobile terminal；
What described intelligent mobile terminal was used is smart mobile phone, and intelligent mobile terminal is aobvious with vehicle-mounted by USB data line
Showing device is attached, or sets up connection by bluetooth；
Described road side system includes that trackside bogey, trackside radio-cell, trackside information processor and trackside are passed
Sensor；Wherein：Trackside radio-cell includes hotspot；Trackside information processor uses PC104 embedded computers；
Described trackside bogey is shaped as round platform, and trackside radio-cell is placed in round platform top half, at trackside information
Reason device is placed in round platform the latter half, and PC104 embedded computers are RS-WC-201 patterns by USB interface 2 and hotspot
The SPI interface of group is connected using data wire, and trackside bogey is arranged on the road roadside in each section, a trackside bogey
And its trackside radio-cell for being loaded constitutes a roadside unit with trackside information processor, every 600 on urban road
Rice sets a roadside unit；Described trackside sensor is one group of sensor, and one group of road is set every 600 meters on urban road
Side senser, trackside sensor is connected using data wire with trackside information processor；
It is wireless between hotspot and the radio-cell of onboard system that described road side system passes through trackside radio-cell
Connection；Road side system is by the remote communication module of trackside radio-cell and the data transceiving unit wireless connection of server, clothes
The radio data-transmission equipment of the data transceiving unit of business device is set up with intelligent mobile terminal by wireless network and is connected.
One group of sensor described in technical scheme include the geomagnetic sensor of at least six model HMC5883, one
The atmosphere temperature transducer of model DS18B20, the atmospheric humidity of a model FY-RH type atmospheric humidity sensor are sensed
Device, model BMP085 barometric pressure sensor, rain sensor, a model of model TQY8-SL2-1
The air velocity transducer of FY-FS, the pavement temperature telemetering pickup of model RSTSRM remote sensing type and a model
The imageing sensor of TCD1206；The geomagnetic sensor of model HMC5883 is evenly arranged on 600 meters of roads, i.e., every 100
Rice at least arranges a geomagnetic sensor；The atmosphere temperature transducer of model DS18B20, model FY-RH type atmospheric humiditys
The atmospheric humidity sensor of sensor, model BMP085 barometric pressure sensor, the rainfall sensing of model TQY8-SL2-1
Device, the air velocity transducer of model FY-FS, the pavement temperature telemetering pickup of model RSTSRM remote sensing types and model
The imageing sensor of TCD1206 is arranged in by road, may be arranged near roadside unit.
Trackside sensor described in technical scheme is connected with trackside information processor using data wire and refers to：Described
The SDA pins of geomagnetic sensor are connected using data wire with the usb 1 of PC104 embedded computer boards, pavement temperature
The data output pins of telemetering pickup use the phase of bus IMAQ card channel 2 of data wire and PC104 embedded computers
Connection, the OS pins and DOS pins of imageing sensor are using data wire and the bus image pick-up card of PC104 embedded computers
Passage 1 is connected, and the data output pins of air velocity transducer are adopted using data wire with total line image of PC104 embedded computers
Collection card counters 1 are connected, and the data output pins of rain sensor are using data wire and the bus of PC104 embedded computers
IMAQ card counters 2 are connected, the DQ pins of atmosphere temperature transducer, the data output pins and air of humidity sensor
The SDA pins of pressure sensor are connected using 485 interfaces of data wire and PC104 embedded computer boards.
Onboard system described in technical scheme also includes positioning and sensing device, vehicle-borne information processor, vehicle-mounted
Screen display and safe driving module；
Described positioning and sensing device include GPS module, wheel speed sensors and acceleration transducer；Wherein：Described
GPS module uses the GPS module of model SKG10B；Wheel speed sensors are passed using the wheel speed of Hall-type model ATS632LSC
Sensor, installs a wheel speed sensors on each wheel；Acceleration transducer is pressure resistance type model HAAM-301A HDK's
Acceleration transducer；The radio-cell of described onboard system uses RS-WC-201 pattern groups；Described on-vehicle information treatment dress
Put using MC9S12XS128 type microcomputer development plates；
The pin 5 of described GPS module is data output pins using data wire and the RS232 of vehicle-borne information processor
Interface is connected, and the RS232 interfaces of vehicle-borne information processor and the pin PS0 of MC9S12XS128 singlechip chips are data
Pin connection is read, the pin 2 of wheel speed sensors is data output pins, and the pin 3 of acceleration transducer is that Z axis accelerate the number of degrees
It is that Y-axis acceleration information output pin and the i.e. X-axis acceleration information output pin of pin 5 use data according to output pin, pin 4
Line is connected with 485 interfaces of vehicle-borne information processor, and 485 interfaces of vehicle-borne information processor are mono- with MC9S12XS128
The pin PS2 of piece movement piece is the connection of digital independent pin, described radio-cell and the USB interface of vehicle-borne information processor
Connection, the USB interface of vehicle-borne information processor and the PM0 pins of MC9S12XS128 singlechip chips are digital independent pin
It is data output pins connection with PM1 pins, described vehicle-mounted screen display and safe driving module pass through CAN pin and vehicle-mounted
The MC9S12XS128 single-chip microcomputers connection of information processor.
Server described in technical scheme mainly includes data transceiving unit, and data processing equipment and traffic show
Device；
Radio data-transmission equipment of the described data transceiving unit from model ZWG-21A；Described data processing
Device includes data preparation unit and guidance path analytic unit, is used between data preparation unit and guidance path analytic unit
Computer data bus is connected, rack-mount server mainframe box of the data processing equipment from model DELL R730 2U；Institute
The data transceiving unit stated is connected by Ethernet interface or using data wire with data processing equipment；Traffic display dress
Put and be connected using data wire with data processing equipment by USB interface.
Compared with prior art the beneficial effects of the invention are as follows：
1. a kind of city vehicle navigation system based on bus or train route collaboration of the present invention, server leads for vehicle is provided
During boat, premised on ensureing the smoothness of each road, using each bar road in city as a complete road traffic system, fully
Complete road transport task using the built road in city, i.e., when navigation is provided for vehicle, will not blindness with beeline
Path is used as guidance path, it is contemplated that the addition of the road capacity in the section, the i.e. vehicle does not result in the section
Traffic congestion.
2. it is of the present invention it is a kind of based on bus or train route collaboration city vehicle navigation system, guidance path be not it is fixed,
Server can constantly adjust guidance path according to the traffic of current road segment where vehicle, such as on the original guidance path under
When one section occurs in that traffic jam or can cause the traffic congestion in next section according to set guidance path traveling, service
Device will in time change guidance path, and with present position as starting point, new guidance path is set up in original destination for terminal.
Server can send guidance path notice of change to mobile intelligent terminal in real time, remind driver to change planning driving path in time,
And by the guidance path real-time Transmission after adjustment to mobile intelligent terminal.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is a kind of principle schematic diagram. of city vehicle navigation system based on bus or train route collaboration of the present invention；
Fig. 2 is a kind of structural principle schematic block of city vehicle navigation system based on bus or train route collaboration of the present invention
Figure；
Fig. 3 is a kind of Physical architecture figure of city vehicle navigation system based on bus or train route collaboration of the present invention；
Fig. 4 is shown by a kind of vehicle-mounted screen display of city vehicle navigation system based on bus or train route collaboration of the present invention
Picture view；
Specific embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
On the onboard navigation system of bus or train route collaboration before comparing, a kind of city based on bus or train route collaboration of the present invention
Vehicular navigation system, for vehicle provides navigation, the advantage is that server can be abundant by the server positioned at traffic control center
Navigation path planning is completed using the built road in city, while navigation is provided for vehicle, moreover it is possible to each bar road of effective management and control
Vehicle flowrate, prevent many cars while cause the road section traffic volume congestion into a certain section.Server is led for vehicle is provided
During boat, premised on ensureing the smoothness of each road, each bar road in city as a complete road traffic system is completed
Road transport task.The specific embodiment of the invention is as follows：
Refering to Fig. 1, each vehicle interior in a kind of city vehicle navigation system based on bus or train route collaboration of the present invention
Onboard system is loaded, is exchanged by short-range wireless communication technologies between vehicle, realize (C2C) truck traffic, obtain surrounding vehicles
Integrated information.Road roadside is provided with roadside unit, the built-in hotspot of roadside unit, vehicle by hotspot range automatically with heat
Point is connected with each other, and realizes that (C2I) vehicle communicates with roadside unit, obtains vehicle and pavement behavior of current road segment etc. and comprehensively believes
Breath.Integrated information is sent to server by each section roadside unit by wireless network, server by all of information of vehicles and
Traffic information is processed, and analyzes the current optimal speed of operation of each vehicle and guidance path, then by optimal speed of operation with lead
Bit path is transferred to the intelligent mobile terminal bound with vehicle by mobile network, and intelligent mobile terminal is by wired or wireless
Mode is interconnected with vehicle-mounted screen display, and guidance path is included in vehicle-mounted screen display with optimal speed of operation.
Refering to Fig. 2, it is of the present invention it is a kind of based on bus or train route collaboration city vehicle navigation system include by road side system,
Terminal cluster and server that onboard system, intelligent mobile terminal are constituted.
Main various monitoring systems, information gathering and the communication set by road area Nei Dao roadsides of described road side system
Equipment is constituted, i.e., road side system mainly includes：Trackside bogey, trackside radio-cell, trackside information processor and trackside
Sensor.
Described trackside bogey is arranged on the road roadside in each section of road area, used as trackside radio-cell and road
The carrier of side information processor, and be that trackside radio-cell and trackside information processor provide electric energy.Trackside bogey
It is that trackside radio-cell and trackside information processor provide electric energy that power module can use solar panel.Due to road ring
Border is more changeable, and in order to ensure trackside information processor and trackside radio-cell normal work, trackside bogey needs to carry
For a metastable condition of work, therefore the trackside bogey need to possess certain sealing and thermal diffusivity, to prevent
Rainwater and dust damage trackside information processor into trackside information processor, or cause trackside in hot summer
Information processor and trackside radio-cell fail because of high temperature.One trackside bogey and its trackside for being loaded are wirelessly single
Unit and trackside information processor constitute a roadside unit, and a roadside unit is set every 600 meters on urban road.It is described
Trackside bogey is shaped as round platform, and trackside radio-cell is placed in round platform top half, facilitates the transmitting-receiving of wireless signal, trackside letter
Breath processing unit is placed in round platform the latter half.
Described trackside radio-cell is made up of two parts, and one is hotspot, and one is remote wireless communicator.Work as car
When in the range of the hotspot of entrance roadside unit, the focus will be automatically connected, complete short-distance wireless communication, so that real
The information exchange of existing vehicle and roadside unit.Short-distance wireless communication between described bus or train route is based on Wi-Fi Direct communication skills
Art, described hotspot selects RS-WC-201 pattern groups.Remote wireless communicator is used at trackside information processor
The integrated information transmission of reason is to the server of traffic hub, and described remote wireless communicator is long-range from SS-DTU68G types
Data transmission module.
Described trackside information processor is according to the information of current road segment other vehicles transmission and working as its storage inside
The road condition information that the map in preceding section and the section trackside sensor are obtained is integrated into the integrated information of current road segment, leads to
All vehicles that the hotspot of trackside radio-cell is sent in current road segment are crossed, and is sent by remote radio communication network
To the server of traffic control center.The trackside information processor can use PC104 embedded computers.The PC104 is embedding
Enter formula computer motherboard model PCM-3343EF-256A1E, specifically include 485 interfaces, RS232 interface, two
USB interface, CPU, internal memory and PC104 EBIs.The PC104 embedded computers also carry a total line image of PC104
Capture card, for gathering pictorial information.The PC104 buses image pick-up card is by the PC104 interface moulds on image pick-up card
Block is connected with the PC104 EBIs of PC104 embedded computer boards, and the information transmission that image pick-up card is collected is given
The CPU of PC104 embedded computers.
Described trackside sensor show the way side system support earth magnetism, road surface slippery situation degree, the access of weather sensor, trackside system
System can in real time receive pavement behavior, traffic, the weather conditions information transmitted by these sensors.Described trackside is passed
Sensor is the integrated i.e. one group sensor of multiple sensors, and one group of sensor includes at least six geomagnetic sensor (models
Be HMC5883), atmosphere temperature transducer (model DS18B20), an atmospheric humidity sensor (model FY-RH type
Atmospheric humidity sensor), barometric pressure sensor (model BMP085), a rain sensor (model TQY8-
SL2-1), air velocity transducer (model FY-FS types air velocity transducer), a pavement temperature telemetering pickup (model
RSTSRM remote sensing type pavement temperatures sensor), an imageing sensor (model TCD1206).Geomagnetic sensor is in 600 meters of roads
It is evenly arranged on road, i.e., at least arranges a geomagnetic sensor every 100 meters；Atmosphere temperature transducer, atmospheric humidity sensor,
Barometric pressure sensor, rain sensor, air velocity transducer, pavement humidity telemetering pickup and imageing sensor are arranged in
Roadside, may be arranged near roadside unit.The data of geomagnetic sensor will through the usb 1 of PC104 embedded computer boards
The information transfer of collection gives PC104 embedded computers CPU；The data of pavement temperature telemetering pickup are through bus image pick-up card
Passage 2, PC104 embedded computer CPU are given by PC104 bus transfers, and the data of imageing sensor are through the total line images of PC104
Collection card channel 1, PC104 embedded computer CPU are given by PC104 bus transfers, and the data of air velocity transducer are total through PC104
Line image gathers card counters 1 and gives PC104 embedded computer CPU by PC104 bus transfers, and rain sensor number
According to through PC104 bus IMAQs card counters 2, PC104 embedded computers CPU is given by PC104 bus transfers.Big temperature
The information transfer that 485 interfaces that degree, humidity and pressure sensor pass through PC104 embedded computer boards will be gathered is to PC104
Embedded computer CPU.One group of side senser, i.e., every group sensor one trackside of correspondence are set on urban road every 600 meters
Unit.
By the above, it will be understood that the trackside bogey is a structure for closing, is shaped as round table-like, institute
State trackside information processor to be placed in above-mentioned trackside bogey with the trackside radio-cell, have on trackside bogey
Upper and lower two slots, are respectively intended to place and fixed trackside radio-cell and trackside information processor.Trackside information processing apparatus
It is in be distributed up and down to put with trackside radio-cell.Trackside bogey be trackside information processor and trackside radio-cell energy supply,
Supply voltage is the positive electricity of 5V, the power line positive pole of trackside bogey and the power interface of PC104 embedded computer boards
Pressure pin is connected, and power line negative pole is connected with the negative voltage pin of PC104 embedded computer board power interfaces；SS-
The power outlet of DTU68G type remote data transmission modules is the core locomotive engine power outlet of standard 3, and trackside bogey is by being somebody's turn to do
Socket can provide electric energy with for SS-DTU68G type remote data transmission modules.Trackside information processor passes through 485 interfaces 2
Data transfer is completed with trackside radio-cell, the section vehicle is acquired by the RS-WC-201 pattern groups of trackside radio-cell
Information, the section road information is obtained by image pick-up card and data-interface, and by RS-WC-201 pattern Zu Jianggai roads
Section road information is transferred to the vehicle in the section, while trackside information processor is led to by the long distance wireless of trackside radio-cell
Letter module by the integrated information transmission after treatment to traffic control center server.Roadside unit is placed in by road, every 600
Rice sets a roadside unit.
The SDA pins of geomagnetic sensor are connected by data wire with the usb 1 of PC104 embedded computer boards, will
The information transfer of collection gives PC104 embedded computers CPU；The data output pins of pavement temperature telemetering pickup pass through data
Line is connected with PC104 bus IMAQs card channel 2, and the transmitting sensor information that will be gathered is to image pick-up card；Image sensing
The OS pins (signal output pin) and DOS pins (compensation output pin) of device are by data wire and PC104 embedded computers
Bus IMAQ card channel 1 be connected, will gather transmitting sensor information to image pick-up card；The data of air velocity transducer
Output pin (second in three pins of sensor) is by data wire and the bus IMAQ of PC104 embedded computers
Card counters 1 are connected, and the transmitting sensor information that will be gathered is to image pick-up card；The data output pins of rain sensor (are passed
Second in three pins of sensor) by the phase of bus IMAQ card counters 2 of data wire and PC104 embedded computers
Even, the transmitting sensor information that will be gathered is to image pick-up card.The PC104 buses image pick-up card PC104 interface modules
IOW pins are connected with the IOR pins of PC104 embedded computer board EBIs, and the information transfer that capture card is obtained is given
PC104 embedded computers CPU.The DQ pins (data signal input/output terminal) of atmosphere temperature transducer, humidity sensor
The SDA pins of data output pins (pin of centre two of sensor pin) and barometric pressure sensor by data wire with
The 485 interfaces connection of PC104 embedded computer boards, PC104 embedded computers CPU is given by the information transfer for gathering.
PC104 embedded computers are connected by RS232 interfaces with SS-DTU68G type remote data transmission modules, realize integrated information
Remote transmission.PC104 embedded computers are connected by USB interface 2 with the SPI interface of RS-WC-201 pattern groups, realize letter
Information transfer between breath processing unit and hotspot.
Described onboard system is by GPS and high accuracy micrometer sensing technology, integrating monitoring, navigation, sensing, alarm and communication
Unit, realize the integrated of MPV mounted terminal, i.e. onboard system include positioning and sensing device, radio-cell,
Vehicle-borne information processor, vehicle-mounted screen display and safe driving module.
Described positioning and sensing device include GPS module, wheel speed sensors and acceleration transducer, can read vehicle
Position, speed and cab signal lamp flicker situation (driving intention of driver) information, so as to perceive the fortune of automobile itself
Row state.
Described GPS module available model is the GPS module of SKG10B, and the navigation module is integrated with RF radio frequency chips, base
Microarray strip and core CPU, and plus associated peripheral circuits, it is adaptable to vehicle-mounted mobile alignment system.
Described wheel speed sensors use Hall wheel speed sensor, selected wheel speed sensors model ATS632LSC, often
One wheel speed sensors is all installed on individual wheel.
Described acceleration transducer is linear accelerometer, is mainly used to monitor the lengthwise movement of vehicle, and described line adds
Speedometer is tried one's best and is arranged close to the place at vehicle movement center, and the coupling that rotary motion is measured linear acceleration is reduced as far as possible,
Described acceleration transducer is piezoresistance type acceleration sensor, and concrete model is HAAM-301A HDK.
Described positioning and the information of sensing device collection can access vehicle-borne information processor by data wire.When on car
When having been equipped with described GPS module, wheel speed sensors and acceleration transducer, the sensor will be gathered by CAN
Information transfer to ECU, vehicle-borne information processor can obtain above- mentioned information by reading ECU units.
Described radio-cell, the onboard system of vehicle is by the road side system of radio-cell and current road segment and surrounding
Other vehicles set up interim data path by short-range wireless networking, realize bus or train route communication and truck traffic.The bus or train route is led to
Letter and truck traffic are short-distance wireless communication, and the interaction of data is realized using WiFi-Direct technologies.Described onboard system
Radio-cell can use RS-WC-201 pattern groups.
Described vehicle-borne information processor is that the information of onboard system reads, processes and storage device, and it can read
These information are carried out by road and the information of neighbouring other vehicles that the car status information and radio-cell of vehicle ECU are received
Treatment, filters out interference information useless, such as the signal lamp of the unrelated vehicle in distant place, and speed of unrelated vehicle etc., then whole at a distance
All information after conjunction treatment, store useful information.It is last by radio-cell by wireless communication technology by the synthesis after integration
Information is sent to the vehicle and roadside unit of surrounding.Described vehicle-borne information processor can use MC9S12XS128 type single-chip microcomputers
Development board.The MC9S12XS128 microcomputer developments plate is total by MC9S12XS128 single-chip minimum systems, power module, CAN
Line interface, USB interface, RS232 interfaces and 485 interfaces composition.Described vehicle-borne information processor by USB interface with it is vehicle-mounted
Radio-cell complete information transfer, described positioning and sensing device passed information at on-vehicle information by 485 interfaces
Surrounding vehicles status information is transferred to vehicle-mounted screen display by reason device, described vehicle-borne information processor by CAN, and
Alarm signal is transferred to by safe driving module by CAN.
Described vehicle-mounted screen display is the information display device of onboard system, and described vehicle-mounted screen display is carrying out presentation of information
When, main screen is used to show the guidance path of vehicle, and pair shields the position of other vehicles and running status and car around for showing
Current road segment suggestion drive a vehicle speed.Purchase at present it is general in vehicle all have been provided with screen display device, therefore without extra purchase
Put installation.
Described safe driving module is the information reminding device of onboard system, and it is used to remind driver to keep driving peace
Full distance, the speed that drives with caution and prompting driver's rerouting of road in time when guidance path is changed, carry
The security that height drives.Described safe driving module is mainly made up of in-car sound equipment and signal lamp, when guidance path occurs more
When changing, in-car sound equipment will play the notice of guidance path change；It is in-car when the distance of vehicle and front truck is less than safe distance
Signal lamp can flash to remind driver.
Described vehicle-borne information processor completes information transfer, the positioning and biography by serial ports with vehicular mounted radio units
Induction device passes information to vehicle-borne information processor by 485 interfaces, and described vehicle-borne information processor is total by CAN
Surrounding vehicles status information is transferred to vehicle-mounted screen display by line, and alarm signal is transferred into safe driving mould by CAN
Block.The information transfer that described positioning and sensing device will be gathered by data wire is to vehicle-borne information processor.Described car
Load information processor will give neighbouring other vehicles and roadside unit by radio-cell from car information transmission, and by wireless
Unit receives the information of other vehicles of surrounding and roadside unit；Meanwhile, vehicle-borne information processor is also by the traveling of surrounding vehicles
Status information is transferred to vehicle-mounted screen display, makes the transport condition of surrounding vehicles in secondary screen display；In addition, vehicle and front truck away from
During from less than safe distance, vehicle-borne information processor can also send dangerous information, control the signal lamp of safe driving module to dodge
It is bright.For convenience of the completion that truck traffic and bus or train route communicate, described radio-cell is arranged near vehicle-borne information processor, institute
Vehicle-borne information processor is stated to be arranged near vehicle ECU units.
The pin 5 (data output pins) of the GPS module is connect by data wire with the RS232 of vehicle-borne information processor
Mouth is connected, and (digital independent draws the RS232 interfaces of vehicle-borne information processor with the pin PS0 of MC9S12XS128 singlechip chips
Pin) connection, the pin PS0 acquisition location informations that vehicle-borne information processor passes through MC9S12XS128 single-chip microcomputers；The wheel speed is passed
The pin 2 (data output pins) of sensor, the pin 3 (Z axis acceleration information output pin) of the acceleration transducer, pin
4 (Y-axis acceleration information output pins) and pin 5 (X-axis acceleration information output pin), at data wire and on-vehicle information
485 interfaces for managing device are connected, 485 interfaces of vehicle-borne information processor and the pin PS2 of MC9S12XS128 singlechip chips
(digital independent pin) is connected, and vehicle-borne information processor reads sensor by the pin PS2 of MC9S12XS128 single-chip microcomputers to be believed
Breath；The radio-cell is connected with the USB interface of vehicle-borne information processor, the USB interface of vehicle-borne information processor with
PM0 pins (digital independent pin) and PM1 pins (data output pins) connection of MC9S12XS128 singlechip chips, it is vehicle-mounted
PM0 pins and PM1 pins that information processor passes through MC9S12XS128 singlechip chips, completion car car and bus or train route information
Exchange；The vehicle-mounted screen display is with safe driving module by CAN pin and the MC9S12XS128 of vehicle-borne information processor
Singlechip chip is connected, and data transfer is completed through CAN interface.
What described intelligent mobile terminal was commonly used is smart mobile phone, and each vehicle is respectively provided with a bar code to distinguish vehicle letter
Breath, intelligent mobile terminal completes binding by scanning the bar code on vehicle with vehicle, and intelligent mobile terminal is connect by mobile network
The guidance path and suggestion driving speed of the vehicle are received, and uses wired or wireless connected mode, the information that will be received is in car
Carry and shown in screen display.
Intelligent mobile terminal can be attached by USB data line with display device for mounting on vehicle, can also be set up by bluetooth and connected
Connect, the guidance path and suggestion speed that receive are displayed in vehicle-mounted screen display.
Described server realizes the collection of integrated data, and the dynamic operation of all vehicles in whole region is existed in real time
Traffic information management center manifests；Optimal planning driving path and suggestion driving car from current location to destination is provided for driver
Speed；Guidance path and traffic are transferred to by mobile intelligent terminal by mobile network in real time.Described server is main
Including data transceiving unit, data processing equipment and traffic display device.
The data transceiving unit is used to receive the integrated information from road side system, and by guidance path and traffic
And suggestion driving speed is sent to intelligent mobile terminal by mobile network.The data transceiving unit specifically can select model
The radio data-transmission equipment of ZWG-21A.The data transceiving unit passes through Ethernet interface, using data wire and data processing
Device completes the transmission of data.
The data processing equipment is used to arrange the data that data transceiving unit is received, and for driver provides most
Good guidance path and traffic and suggestion speed of operation.The data processing equipment specifically can select model DELL R730
The rack-mount server mainframe box of 2U.The data processing equipment is further divided into data preparation unit and guidance path by function
Analytic unit.
Data and guidance path analytic unit that the main complete paired data Transmit-Receive Unit of described data preparation unit is received
The data of transmission are arranged, and after complete paired data ground is arranged, traffic display module are transferred data to by data wire,
And completed by data/address bus and the data transfer between guidance path analysis module.
Described guidance path analytic unit is according to the traffic of each bar road in whole city, the row of rational management vehicle
Path is sailed, while farthest ensureing each bar road smoothness in city, for driver provides optimal guidance path and builds
View driving speed.Play navigation path planning function when, guidance path analytic unit can by guidance path each section can
Allow access into vehicle flowrate to be taken into account with the guidance path of other vehicles in the same time, i.e., guidance path is dynamic, when navigation road
There is congestion or according to current guidance path traveling a certain section on guidance path will be caused to occur handing in a certain section on footpath
During logical congestion, guidance path analytic unit will in time adjust guidance path, it is ensured that vehicle is smooth safe to be arrived at.
Described traffic display device is used to show in real time the traffic of each bar road in whole city, helps traffic
The traffic conditions of each bar road of administrative department's Real Time Observation, when occurring congested in traffic, can allow vehicle supervision department to take in time
Measure, improves traffic.Specifically, the traffic display device is the electronics that one side is made up of multiple DID liquid crystal displays
Wall.The traffic display device is established a connection by data wire with data processing equipment, and number is received by USB interface
According to the road traffic condition data of processing unit.
The trackside integrated information from road side system that described data transceiving unit will be received is passed by Ethernet interface
It is defeated by data processing equipment.The data preparation unit of described data processing equipment is total by data with guidance path analytic unit
Line completes data transfer, and described guidance path analytic unit is vehicle planning according to the road information that data preparation unit is transmitted
Guidance path, and navigation information and whole urban highway traffic condition information are passed into data transceiving unit, received by data
Bill unit is sent to intelligent mobile terminal.The traffic display device receives the road of data processing equipment by USB interface
Road traffic state data.The road information that the traffic display device is transmitted according to data processing equipment carries out road traffic
Simulations are emulated, in real time the traffic in the display each section in city.
Described data transceiving unit is established a connection by optical fiber with data processing equipment, will be received from trackside
The trackside integrated information of system is transferred to data processing equipment by Ethernet interface.The data of described data processing equipment are whole
Reason unit completes data transfer, described guidance path analytic unit with guidance path analytic unit by computer data bus
It is vehicle planning guidance path according to the road information that data preparation unit is transmitted, and navigation information and whole urban road is handed over
Logical condition information passes to data transceiving unit, by data transceiving unit, intelligent mobile terminal is sent to using wireless network.
The traffic display device receives the road traffic condition data of data processing equipment by USB interface.The traffic shape
The road information that condition display device is transmitted according to data processing equipment carries out road traffic condition analog simulation, and city is shown in real time
The traffic in each section.
Road side system is by the hotspot module (RS-WC-201 patterns group) of trackside radio-cell and the nothing of onboard system
Line unit (RS-WC-201 patterns group) wireless connection, completes the transmission of information；Road side system is long-range by trackside radio-cell
The data transceiving unit wireless connection of communication module (i.e. SS-DTU68G types remote data transmission module) and server end, by road
Radio data-transmission equipment of the road integrated information transmission to the receipt Transmit-Receive Unit of server end；The data transmit-receive list of server end
The radio data-transmission equipment of unit is set up with intelligent mobile terminal by wireless network and contacted, by guidance path and suggestion driving car
Speed is transferred to intelligent mobile terminal.
It is navigation system Physical architecture figure of the invention refering to Fig. 3, shown in figure, there are 3 to B from A shown in figure
Circuit L1、L2、L3, wherein route L1Path distance it is most short；There are 5, respectively S in street shown in figure1、S2、S3、S4、S5, its
Middle S1、S2、S3、S4It is traffic major trunk roads, road is free from worry, now traffic major trunk roads S2Vehicle flowrate is big, S1、S4Vehicle flowrate is smaller；Figure
Shown in A ground have many cars request from A to B ground guidance path.Information according to Physical architecture figure, L1Navigation
Path is most short, L2、L3Although two lines are compared to L1The distance of route is slightly remote, but track on this two lines road is free from worry, and
Because L3A circuit part is in major trunk roads S2On, so L2Traffic on guidance path is better than L3, choosing is available in sum
The navigation circuit selected has L1、L2Two.Consider that driver can select L from most short this principle of guidance path1Route is used as navigation
Path, if now the driver of many cars in A ground selects L1Circuit is used as guidance path, then has many cars and pours in S5Road,
Cause S5Road traffic is paralysed.
According to a kind of city vehicle navigation system cooperateed with based on bus or train route of the present invention, led when many of ground of A car sends
When bit path is asked, the S that server by utilizing is collected5The integrated information of road road side system, analysis obtains S5Road friendship at this stage
Logical transport capacity, i.e. S at this stage5The vehicle flowrate that can be travelled on road, further according to the S of road side system transmission5The current vehicle of road
Flow, it is possible to obtain S5Road currently allows the vehicle flowrate for adding.The guidance path vehicle flowrate on B ground is asked as A more than S5
When road currently allows the vehicle flowrate for adding, a kind of city vehicle navigation system based on bus or train route collaboration of the present invention will be sent out
Wave shunting action, specific embodiment to a part of vehicle to provide route L2As guidance path, S is alleviated to reach5Road
The purpose of traffic pressure.A kind of city vehicle navigation system based on bus or train route collaboration of the present invention has both played S5Road
Maximum traffic capacity, in turn ensure that S5The smoothness of road traffic, while also by urban road S1、S2、S3、S4、S5Composition
One complete road traffic system, makes each bar road cooperate, the effect of shared communications and transportation.
It is car in a kind of city vehicle navigation system based on bus or train route collaboration of the present invention shown in figure refering to Fig. 4
The picture view in screen display is carried, right screen is main screen, shows the guidance path of the car；Left screen shields for secondary, shows car around the car
Position and transport condition；Current vehicle speed information and current crossing traffic information are also provided in vehicle-mounted screen display, so as to driver
Transport information, safe driving are will appreciate that when unsighted.
The above, a kind of specific implementation of city vehicle navigation system based on bus or train route collaboration only of the present invention
Mode, but protection scope of the present invention is not limited thereto, any change or replacement expected without creative work, all should
It is included within the scope of the present invention.Therefore, the protection that protection scope of the present invention should be limited with claims
Scope is defined.
Claims (5)
1. a kind of city vehicle navigation system based on bus or train route collaboration, it is characterised in that described a kind of based on bus or train route collaboration
City vehicle navigation system includes terminal cluster and is arranged on the server of traffic control center；
Described terminal cluster includes road side system, onboard system and intelligent mobile terminal；
What described intelligent mobile terminal was used is smart mobile phone, and intelligent mobile terminal is filled by USB data line with car-mounted display
Put and be attached, or connection is set up by bluetooth；
Described road side system includes trackside bogey, trackside radio-cell, trackside information processor and trackside sensor；
Wherein：Trackside radio-cell includes hotspot；Trackside information processor uses PC104 embedded computers；
Described trackside bogey is shaped as round platform, and trackside radio-cell is placed in round platform top half, trackside information processing apparatus
Round platform the latter half is placed in, PC104 embedded computers are RS-WC-201 pattern groups by USB interface 2 and hotspot
SPI interface using data wire connect, trackside bogey be arranged on each section road roadside, a trackside bogey and its
The trackside radio-cell for being loaded constitutes a roadside unit with trackside information processor, is set every 600 meters on urban road
Put a roadside unit；Described trackside sensor is one group of sensor, and setting one group of trackside every 600 meters on urban road passes
Sensor, trackside sensor is connected using data wire with trackside information processor；
Wireless connection between hotspot and the radio-cell of onboard system that described road side system passes through trackside radio-cell；
Road side system passes through the remote communication module of trackside radio-cell and the data transceiving unit wireless connection of server, server
The radio data-transmission equipment of data transceiving unit is set up with intelligent mobile terminal by wireless network and is connected.
2. according to a kind of city vehicle navigation system cooperateed with based on bus or train route described in claim 1, it is characterised in that described
One group of sensor includes that the geomagnetic sensor of at least six model HMC5883, the atmospheric temperature of a model DS18B20 are passed
Atmospheric humidity sensor, a model BMP085 atmospheric pressure of sensor, model FY-RH type atmospheric humidity sensor
Sensor, the rain sensor of model TQY8-SL2-1, air velocity transducer, a model of model FY-FS
It is the pavement temperature telemetering pickup of RSTSRM remote sensing types and the imageing sensor of a model TCD1206；Model
The geomagnetic sensor of HMC5883 is evenly arranged on 600 meters of roads, i.e., at least arrange a geomagnetic sensor every 100 meters；Type
Number for DS18B20 atmosphere temperature transducer, atmospheric humidity sensor, the model of model FY-RH type atmospheric humidity sensors
For BMP085 barometric pressure sensor, the rain sensor of model TQY8-SL2-1, the air velocity transducer of model FY-FS,
The pavement temperature telemetering pickup of model RSTSRM remote sensing types is arranged in road with the imageing sensor of model TCD1206
Side, may be arranged near roadside unit.
3. according to a kind of city vehicle navigation system cooperateed with based on bus or train route described in claim 1, it is characterised in that described
Trackside sensor is connected using data wire with trackside information processor：
The SDA pins of described geomagnetic sensor are connected using data wire with the usb 1 of PC104 embedded computer boards
Connect, the data output pins of pavement temperature telemetering pickup are adopted using data wire with total line image of PC104 embedded computers
Collection card channel 2 is connected, and the OS pins and DOS pins of imageing sensor are total with PC104 embedded computers using data wire
Line image collection card channel 1 is connected, and the data output pins of air velocity transducer are using data wire and PC104 embedded computers
Bus IMAQ card counters 1 be connected, the data output pins of rain sensor are embedded with PC104 using data wire
The bus IMAQ card counters 2 of computer are connected, and the DQ pins of atmosphere temperature transducer, the data of humidity sensor are defeated
Go out pin to connect using 485 interfaces of data wire and PC104 embedded computer boards with the SDA pins of barometric pressure sensor
Connect.
4. according to a kind of city vehicle navigation system cooperateed with based on bus or train route described in claim 1, it is characterised in that described
Onboard system also includes positioning and sensing device, vehicle-borne information processor, vehicle-mounted screen display and safe driving module；
Described positioning and sensing device include GPS module, wheel speed sensors and acceleration transducer；Wherein：
Described GPS module uses the GPS module of model SKG10B；Wheel speed sensors use Hall-type model
The wheel speed sensors of ATS632LSC, install a wheel speed sensors on each wheel；Acceleration transducer is pressure resistance type model
It is the acceleration transducer of HAAM-301A HDK；
The radio-cell of described onboard system uses RS-WC-201 pattern groups；
Described vehicle-borne information processor uses MC9S12XS128 type microcomputer development plates；
The pin 5 of described GPS module is data output pins using data wire and the RS232 interfaces of vehicle-borne information processor
It is connected, the RS232 interfaces of vehicle-borne information processor and the pin PS0 of MC9S12XS128 singlechip chips are digital independent
Pin is connected, and the pin 2 of wheel speed sensors is data output pins, and the pin 3 of acceleration transducer is that Z axis acceleration information is defeated
Go out pin, pin 4 i.e. Y-axis acceleration information output pin and pin 5 i.e. X-axis acceleration information output pin using data wire with
485 interfaces of vehicle-borne information processor are connected, 485 interfaces and the MC9S12XS128 single-chip microcomputers of vehicle-borne information processor
The pin PS2 of chip is the connection of digital independent pin, and described radio-cell connects with the USB interface of vehicle-borne information processor
Connect, the USB interface of vehicle-borne information processor and the PM0 pins of MC9S12XS128 singlechip chips be digital independent pin and
PM1 pins are data output pins connection, and described vehicle-mounted screen display passes through CAN pin and vehicle-mounted letter with safe driving module
Cease the MC9S12XS128 single-chip microcomputers connection of processing unit.
5. according to a kind of city vehicle navigation system cooperateed with based on bus or train route described in claim 1, it is characterised in that described
Server mainly includes data transceiving unit, data processing equipment and traffic display device；
Radio data-transmission equipment of the described data transceiving unit from model ZWG-21A；
Described data processing equipment includes data preparation unit and guidance path analytic unit, data preparation unit and navigation road
Connected using computer data bus between the analytic unit of footpath, frame of the data processing equipment from model DELL R730 2U
Formula server host case；
Described data transceiving unit is connected by Ethernet interface or using data wire with data processing equipment；Traffic
Display device is connected with data processing equipment by USB interface using data wire.
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