CN102722999B - Method, device and system for guiding parking of vehicle - Google Patents
Method, device and system for guiding parking of vehicle Download PDFInfo
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- CN102722999B CN102722999B CN201210199452.8A CN201210199452A CN102722999B CN 102722999 B CN102722999 B CN 102722999B CN 201210199452 A CN201210199452 A CN 201210199452A CN 102722999 B CN102722999 B CN 102722999B
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Abstract
The invention provides a method, a device and a system for guiding parking of a vehicle. The method comprises the following steps of: receiving destination information input from outside; searching parking lot information related to a destination according to the destination information; selecting a proper traffic route according to the parking lot information; when the vehicle arrives at a parking lot according to the traffic route, receiving parking lot layout information and current stall information sent from an antenna of an RSU (Remote Subscriber Unit); selecting a proper parking position according to the parking lot layout information and the current stall information; and guiding the vehicle to park according to the parking position.. By using the method, the device and the system for guiding parking of the vehicle, a user can find the parking position quickly and conveniently, and thus the efficiency of parking through intelligent navigation is improved.
Description
Technical field
The present invention relates to intelligent guidance system, particularly, relate to a kind of vehicle parking bootstrap technique, Apparatus and system.
Background technology
Intelligent parking lot navigation is divided into region class parking ground navigation and parking position navigation, wherein:
Region class parking ground navigation mainly refers to utilize location technology determine vehicle position and position, target parking lot and in equipment storing map, calculate rational traffic route, for driver's tour reference.Its technological means adopting is mainly the positioning system based on GPS, but GPS location exists certain shortcoming: the visual field that 1) receiving terminal need to be openr; 2) capture time that need to be relatively long, cold start-up needs the time of 30 seconds to 15 minutes; 3) need Continuous Tracking satellite, terminal power consumption is larger; 4) under indoor, tunnel, viaduct, under built-up environment, effect is limited, even cannot locate.
Parking position navigation ultimate principle is for utilizing the analysis of situation by berth, parking lot, region, via information issuing system, berth information is offered to driver, and in conjunction with inner part of parking lot parking stall distribution situation, driver is carried out to path induction, make vehicle can arrive as early as possible parking stall.The realization of this technology can improve parking efficiency, particularly important in Intelligent parking lot management system.But current parking position airmanship Main Bottleneck is the efficiency of stopping, that is, user cannot find parking spot quickly and easily at large parking lot.
In sum, there is the problem that location efficiency is lower in current intelligent parking lot navigation, has caused user cannot find quickly and easily parking spot.
Summary of the invention
The fundamental purpose of the embodiment of the present invention is to provide a kind of vehicle parking bootstrap technique, Apparatus and system, to solve intelligent parking lot navigator fix efficiency of the prior art, compared with user low and that cause, cannot find quickly and easily the problem of parking spot.
To achieve these goals, the embodiment of the present invention provides a kind of vehicle parking bootstrap technique, and the method comprises: the destination information that receives outside input; According to the described destination information search parking lot information relevant to described destination; According to described parking lot information, select suitable traffic route; When vehicle arrives parking lot according to described traffic route, receive parking lot layout information and current parking space information from RSU antenna; According to described parking lot layout information and current parking space information, select suitable parking spot; According to described parking spot guided vehicle, berth.
According to described parking lot information, select suitable traffic route to comprise: described parking lot information added on the numerical map of built-in vehicle and show; Suitable traffic route is selected in the parking lot of selecting according to outside.
After selecting suitable traffic route according to described parking lot information, described method also comprises: the current location information of described vehicle is sent to navigation server; Reception is from navigation information and the real-time road condition information of navigation server.
After the parking lot layout information and current parking space information of described reception from RSU antenna, described method also comprises: the information of described vehicle and owner information are sent to parking lot server by described RSU antenna.
After berthing according to described parking spot guided vehicle, described method also comprises: when described vehicle leaves parking lot, according to the information of described vehicle and owner information, carry out automatic charging.
The embodiment of the present invention also provides a kind of vehicle parking guiding device, and described device comprises: destination information receiving element, for receiving the destination information of outside input; Parking lot information search unit, for searching for the parking lot information relevant to described destination according to described destination information; Traffic route selected cell, for selecting suitable traffic route according to described parking lot information; Parking lot information receiving element, for when vehicle arrives parking lot according to described traffic route, receives parking lot layout information and current parking space information from RSU antenna; Parking spot selected cell, for selecting suitable parking spot according to described parking lot layout information and current parking space information; Parking navigation unit, for berthing according to described parking spot guided vehicle.
Described traffic route selected cell comprises: map display module, for described parking lot information being added on the numerical map of built-in vehicle and showing; Traffic route is selected module, for the parking lot of selecting according to outside, selects suitable traffic route.
Described device also comprises: vehicle current location information transmitting element, for the current location information of described vehicle is sent to navigation server; Navigation information receiving element, for receiving navigation information and the real-time road condition information from navigation server.
Described device also comprises: information of vehicles transmitting element, and for the information of described vehicle and owner information are sent to parking lot server by described RSU antenna.
Described device also comprises: automatic charging unit, for when described vehicle leaves parking lot, carries out automatic charging according to the information of described vehicle and owner information.
The embodiment of the present invention also provides a kind of vehicle parking guidance system, this system comprises: above-mentioned vehicle navigation apparatus, navigation server, RSU antenna and parking lot server, described navigation server receives the navigation request of described vehicle navigation apparatus and vehicle is navigated, described vehicle navigation apparatus reaches behind parking lot with described RSU antenna and carries out alternately with the described vehicle that berths, and described vehicle navigation apparatus is undertaken alternately to carry out automatic charging by described RSU antenna and described parking lot server.
By means of technique scheme one of at least, by searching for the parking lot information relevant to destination according to destination information, then according to parking lot information, select suitable traffic route to arrive parking lot, again by the mutual parked vehicle with RSU antenna, the intelligent parking lot navigator fix scheme of the embodiment of the present invention can, so that user side just finds parking spot quickly, improve the efficiency that intelligent navigation stops.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the process flow diagram of the vehicle parking bootstrap technique of the embodiment of the present invention;
Fig. 2 is according to the structured flowchart of the vehicle parking guiding device of the embodiment of the present invention;
Fig. 3 is according to the detailed block diagram of the vehicle parking guiding device of the embodiment of the present invention;
Fig. 4 to Fig. 9 is according to the structural representation of the intelligent vehicle mounted terminal of the embodiment of the present invention;
Figure 10 is the intelligent vehicle mounted terminal stopping guide process flow diagram according to the embodiment of the present invention;
Figure 11 is according to the structured flowchart of the vehicle parking guidance system of the embodiment of the present invention;
Figure 12 is according to the structural representation of the managing system of car parking of the embodiment of the present invention;
Figure 13 is the parking lot distribution schematic diagram according to the embodiment of the present invention;
Figure 14 is DSRC interaction flow schematic diagram between car-mounted terminal and trackside RSU antenna;
Figure 15 is according to the structured flowchart of the RSU of the embodiment of the present invention;
Figure 16 to Figure 17 is the schematic diagram that arranges according to the RSU of the embodiment of the present invention;
Figure 18 is according to the configuration diagram of the Intelligent parking lot system of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of vehicle parking bootstrap technique, Apparatus and system.Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment mono-
The embodiment of the present invention provides a kind of vehicle parking bootstrap technique, and as shown in Figure 1, the method comprises:
Step 101, receives the outside destination information of inputting;
Step 102, according to the destination information search parking lot information relevant to destination;
Step 103, selects suitable traffic route according to parking lot information;
Step 104, when vehicle arrives parking lot according to traffic route, receives parking lot layout information and current parking space information from RSU antenna;
Step 105, selects suitable parking spot according to parking lot layout information and current parking space information;
Step 106, berths according to parking spot guided vehicle.
By above description, can be found out, by searching for the parking lot information relevant to destination according to destination information, then according to parking lot information, select suitable traffic route to arrive parking lot, again by the mutual parked vehicle with RSU antenna, than prior art, the intelligent parking lot navigator fix scheme of the embodiment of the present invention can, so that user side just finds parking spot quickly, improve the efficiency that intelligent navigation stops.
Particularly, according to parking lot information, select suitable traffic route to comprise: parking lot information added on the numerical map of built-in vehicle and show; Suitable traffic route is selected in the parking lot of selecting according to outside.Like this, just parking lot information can be shown to user intuitively, when there is a plurality of parking lot, user friendly selection.
After selecting suitable traffic route according to parking lot information, said method also comprises: the current location information of vehicle is sent to navigation server; Reception is from navigation information and the real-time road condition information of navigation server.Like this, just can recommend more suitably traffic route, also just user arrives the parking lot of selection fast.
After the parking lot layout information and current parking space information that receive from RSU antenna, said method also comprises: the information of vehicle and owner information are sent to parking lot server by RSU antenna.
After berthing according to parking spot guided vehicle, said method also comprises: when vehicle leaves parking lot, according to the information of vehicle and owner information, carry out automatic charging.
By mutual with RSU antenna, vehicle can be moored to suitable parking stall fast, and mutual by with parking lot server can facilitate the disbursement and sattlement of vehicle.
Embodiment bis-
The embodiment of the present invention also provides a kind of vehicle parking guiding device, and preferably, for realizing the method for above-described embodiment one, as shown in Figure 2, this device comprises:
Destination information receiving element 1, for receiving the destination information of outside input;
Parking lot information search unit 2, for searching for the parking lot information relevant to destination according to destination information;
Traffic route selected cell 3, for selecting suitable traffic route according to parking lot information;
Parking lot information receiving element 4, for when vehicle arrives parking lot according to traffic route, receives parking lot layout information and current parking space information from RSU antenna;
Parking spot selected cell 5, for selecting suitable parking spot according to parking lot layout information and current parking space information;
Parking navigation unit 6, for berthing according to parking spot guided vehicle.
By above description, can be found out, by parking lot information search unit, according to destination information, search for the parking lot information relevant to destination, then traffic route selected cell selects suitable traffic route to arrive parking lot according to parking lot information, again by the mutual parked vehicle of parking lot information receiving element and RSU antenna, than prior art, the intelligent parking lot navigator fix scheme of the embodiment of the present invention can, so that user side just finds parking spot quickly, improve the efficiency that intelligent navigation stops.
As shown in Figure 3, traffic route selected cell 3 comprises:
Map display module 31, for adding parking lot information on the numerical map of built-in vehicle and showing;
Traffic route is selected module 32, for the parking lot of selecting according to outside, selects suitable traffic route.
As shown in Figure 3, above-mentioned device also comprises:
Vehicle current location information transmitting element 7, for sending to navigation server by the current location information of vehicle;
Navigation information receiving element 8, for receiving navigation information and the real-time road condition information from navigation server.
Above-mentioned device also comprises: information of vehicles transmitting element (not shown), and for the information of vehicle and owner information are sent to parking lot server by RSU antenna.
Above-mentioned device also comprises: automatic charging unit (not shown), for when vehicle leaves parking lot, according to the information of vehicle and owner information, carry out automatic charging.
In practical operation, above-mentioned vehicle navigation apparatus can be the form of a car-mounted terminal.Take car-mounted terminal below as example, describe the embodiment of the present invention in detail.
This car-mounted terminal organically combines GPSONE module and DSRC module by microcontroller, and both functions are used in to intelligent terminal mobile unit simultaneously, realizes intelligent parking induction.In order to understand better the embodiment of the present invention, below GPSONE module and DSRC module are first described.
GPSONE is that QualCom company is the location technology of position-based business development, adopts Client/Server mode.It organically combines wireless auxiliary AGPS and two kinds of location technologies of advanced forward link AFLT triangulation location, realizes high precision, high availability and fair speed location.In the environment that all cannot use in these two kinds of location technologies, GPSONE can automatically switch to Cell ID sector location mode, guarantees position success rate.
GPSONE has adopted the mobile platform of GPSONE technology, collects measurement data from gps satellite and honeycomb/PCS network simultaneously, then by combining these data, generates accurate three-dimensional localization.At gps satellite signal and wireless network signal, all cannot complete separately under the situation of location, GPSONE system can combine this two kinds of information sources, as long as have a satellite and a cell site just can complete location, has solved the insurmountable problem of traditional scheme.In addition, the infrastructure utility appliance of GPSONE system also provides the sensitivity that exceeds 20dB than conventional GPS location, the improvement of performance can normally be worked the hybrid locator meams of GPSONE between the deep inside of existing buildings or the housing-group in urban district, and traditional GPS scheme normally cannot normally be worked in these places.
E-payment system (be called for short ETC), or be called no-stop charging system is to make great efforts in the world the electronic automatic system for highway, bridge and tunnel etc. developing and popularize.It is by the Dedicated Short Range Communications, between trackside antenna and vehicle carried electronic label (DSRC), in the situation that not needing driver to stop and other toll collectors take any operation, automatically completes charge processing capacity.The positioning principle of DSRC is by RSU being set as positioning equipment in fixed position, when OBU(board units) enter in RSU signal coverage areas RSU(roadside unit) absolute position or the relative position at self place can be sent to OBU.The communication distance of RSU antenna is generally in tens meters, and designs by special radiator, and as adopted microstrip antenna etc., the communication zone of RSU can be controlled at 5 meters of left and right, that is to say that positioning precision can reach 5 meters of left and right.
In highway ETC system, mainly comprise following equipment:
1) track computing machine: be responsible for track state to control, and complete information processing;
2) ETC roadside unit (RSU): formed by RSU antenna and RSU controller, include PSAM consumption safety access modules, board units is carried out safety certification and completes information acquisition and send information to track computing machine;
3) ETC board units (OBU): board units OBU is arranged on user's vehicle, loads subscriber identity information and ESAM embedded safety module, when transaction, carries out safety certification, and user's IC-card is read and write and information is sent to roadside device (RSU);
ETC roadside unit (RSU) is the transmission intermediary between track computing machine and vehicle-mounted OBU, when chargeable vehicle passes through the lane in which the drivers should pay fees, the a branch of microwave broadcasting signal of RSU antenna transmission in roadside unit, wake OBU up, the mutual authentication of process between OBU label and RSU, reach after mutual trust, between OBU and RSU, carry out exchanges data.In OBU, be written into corresponding information, RSU has also obtained corresponding data, then uploads to track computing machine.RSU controller in RSU can with the antenna integrated design of RSU, also RSU controller can be placed in tollbooth.
Compare with above-mentioned ETC application, the car-mounted terminal of this programme not only has above-mentioned charging function, can also coordinate functions such as realizing vehicle is accurately located, parking guidance with the special-purpose RSU in parking lot, can also realize the parking guidance function outside car park areas.
Fig. 4 to Fig. 9 is the structural representation of intelligent vehicle mounted terminal, as shown in Fig. 4 to Fig. 9, controller is the core of terminal, and operating software flow process realizes the various peripheral hardwares of car-mounted terminal and controls and function, and its function can be deployed to GPSONE module controller or DSRC module controller by through part.
GPSONE module has two functions: the one, and by cdma network, realize 3G and locate, the 2nd, the remote information realizing between intelligent terminal and background system by 3G network is mutual.This module comprises GPSONE module controller, display module, voice module, power module, GPSONE communication module, gps antenna module, CDMA Anneta module and UIM module.
GPSONE control module adopts ARM9 processor S3C2440.
GPSONE communication module adopts the DTGS-800 chip of AnyData.
UIM module adopts UIM card, and it is a kind of smart card of CDMA mobile phone.
The function of DSRC module is by the information interaction of 5.8GHz microwave and DSRC roadside device, completes terminal in the parking lot function of accurately locating and pay the fees.This module comprises DSRC module controller, ESAM, IC-card module for reading and writing, DSRC communication module, microwave transmitting and receiving antenna and power module.Wherein DSRC module controller adopts ARM7 processor STR715.
IC-card module for reading and writing is supported contact and the non-contact read-write of IC-card.
GPSONE module above also can adopt and can realize the other technologies module replacement of communicating by letter with 3G 3G location.
Figure 10 is intelligent vehicle mounted terminal stopping guide process flow diagram, as shown in figure 10:
Step 1001, after terminal starts, is written into the cartographic information storing in advance, and initialization cartographic information is written into;
Step 1002, user inputs the destination of trip by terminal, confirm parking guidance demand;
Step 1003, terminal starts its GPSONE module automatically to the request of background server transmission parking guidance after receiving parking guidance request;
Step 1004, server is replied terminal after receiving the request of terminal, if terminal is not received the reply of server system, returns to step 1003, otherwise, carry out step 1005;
Step 1005, to terminal sending destination periphery parking lot and parking position information of park;
Step 1006, server can in several seconds, automatically upgrade destination periphery parking position information of park and car-mounted terminal is shown to these information in terminal and selects for user;
Step 1007, user selects behind suitable parking lot, the object of driving in a vehicle to parking lot;
Step 1008, GPSONE module is constantly carried out 3G location to user self and is upgraded and show on map;
Step 1009, GPSONE module judges whether vehicle arrives parking lot, if do not arrive parking lot, carry out step 1010, otherwise, carry out step 1011;
Step 1010, judges whether to upgrade parking lot and parking space information, if so, returns to step 1005;
Step 1011, if arrive parking lot, is checked through the roadside unit launched microwave signal of the rear startup Entrance of sailing into of vehicle by the ground induction coil of Entrance, wake the car-mounted terminal DSRC module under low-power consumption energy-saving mode at ordinary times up;
Step 1012, judges whether terminal detects DSRC signal, if detected, carry out step 1013, otherwise returns to step 1009;
Step 1013, terminal and RSU carry out information interaction, and terminal returns to roadside unit (RSU) Frame that comprises vehicle user information, and roadside unit records information of vehicles and the entry time that terminal provides;
Step 1014, roadside unit is sent to terminal by the parking space information in this parking lot by DSRC road measuring device, and user arrives target parking stall according to the shown parking space information of terminal; If parking lot is larger, can in the critical path in parking lot, settle roadside unit, the parking space information in this region of real-time broadcast, terminal shows parking space information for user and selects after receiving DSRC signal;
Step 1015, DSRC guides parking.
By above-mentioned intelligent vehicle mounted terminal, adopt GPSONE module to carry out navigation, GPSONE organically combines wireless auxiliary AGPS and two kinds of location technologies of advanced forward link AFLT triangulation location, realize high precision, high availability and fair speed location, can effectively solve traditional GPS location technology in blind area the problem in more and locating speed; Secondly, GPSONE module has cdma network communication function, can real-time update parking lot and parking space information, and this is that traditional GPS does not accomplish; In addition, DSRC module passes to user by microwave communication in real time by the information in parking lot, and accurately induces user to arrive parking stall; Finally, by microcontroller, the function of these two modules is organically combined, two modules of coordinated operation, have realized the intelligent parking induction to Ji He parking lot, user area scope.
When vehicle arrives behind parking lot, car-mounted terminal DSRC module can also be carried out Car park payment function, and this module adopts advanced ETC technology, realizes the automatic charging that do not stop, and has saved manpower and materials, has improved parking efficiency.
Embodiment tri-
The embodiment of the present invention also provides a kind of vehicle parking guidance system, as described in Figure 11, this system comprises: described vehicle navigation apparatus 110, navigation server 111, RSU antenna 112 and parking lot server 113, wherein, navigation server receives the navigation request of vehicle navigation apparatus and vehicle is navigated, vehicle navigation apparatus reaches behind parking lot with RSU antenna and carries out alternately with parked vehicle, and vehicle navigation apparatus is undertaken alternately to carry out automatic charging by RSU antenna and parking lot server.
Preferably, vehicle navigation apparatus 110 can be the vehicle navigation apparatus in above-described embodiment two, is not described in detail herein.Below describe managing system of car parking in detail.
As shown in figure 12, managing system of car parking mainly comprises parking lot central server (that is, above-mentioned parking lot server 113), access control module, parking stall measure module, parking stall bootstrap module, parking lot monitoring module and parking lot information release module.This system be take parking lot central server and is carried out the intelligent management that information communication, information acquisition and order assign to reach parking lot as core and other modules.
Access control module mainly comprises equipment such as controlling computing machine, wagon detector, RSU, automatic rail machine.When vehicle enters Entrance, ground induction coil detects vehicle and notifies RSU antenna information of vehicles is gathered and parking position information of park is sent to car-mounted terminal, and after communication completes, barrier machine lifts clearance automatically.When vehicle rolls parking lot away from, outlet RSU completes charge with the upper corresponding amount of money of car-mounted terminal DSRC communication deduction IC.
Parking stall measure detects park situation real-time information is passed to parking lot central server by network of parking stall by being arranged at the ultra sonic vehicle detector of parking stall top.
Parking stall guiding is mainly realized the accurate location of car-mounted terminal by the RSU antenna that is installed on critical path in parking lot.Vehicle location precision can reach 0～5m, parking stall bootup process is as follows: first parking lot central server carries out region division to place in parking lot, as shown in figure 13, parking lot is divided into A, B, C, D district, and wherein B, C, D divide into again B 1, B2, C1, C2, D1, D2.Inner part of parking lot is provided with 3 RSU antennas (stain in figure) altogether, lays respectively at gateway, parking lot (threshold marker is No. 1 RSU, and exit marking is No. 2 RSU), vicinity, the place ahead, crossroad, parking lot (No. 3 RSU).
When vehicle sails into, the RSU antenna that is positioned at entrance gathers the information of vehicles of car-mounted terminal and parking position information of park is sent to car-mounted terminal, can also carry out Primary Location to vehicle.The vacant berth information that car-mounted terminal provides according to parking lot central server is carried out Voice Navigation to route or travel by vehicle.For example, when vehicle Xu C1 district parks, voice message vehicle forwardly crossing bends to right, when near Vehicle Driving Cycle to 3 RSU, car-mounted terminal and RSU carry out DSRC communication, and car-mounted terminal is again accurately located and parking lot information and the walking along the street footpath of parking are upgraded.Car-mounted terminal voice message vehicle forwardly crossing is turned left and is driven towards C district, in road both sides, C district, indicates respectively C1HeC2Liang district, and final guided vehicle YuC1 parks in district.
Wherein, in the bootup process of parking stall, the accurate location of vehicle is realized based on beacon positioning principle.In the present embodiment, using trackside RSU antenna as wireless beacon, and car-mounted terminal directly obtains RSU in the relative coordinate in parking lot.Coordinate information is stored in the digital units E2PROM of RSU antenna by preset parameter read-write interface, and is preserved for a long time.RSU is usually in scanning work state.In the time of in the signal coverage of the vehicle of car-mounted terminal being housed entering RSU (being set to 0～5m), car-mounted terminal detects and launches answer signal, and receiving-transmitting sides carries out wireless shaking hands.After shaking hands successfully, RSU sends the coordinate of our station by communication protocol.Data transmission is complete, and car-mounted terminal sends and receives signal, and RSU reenters scanning mode.And car-mounted terminal obtains by employing the positional information correction that the maximum-signal method location technology of DSRC signal intensity issues RSU and can obtain comparatively accurate position reference information in this process.
Parking lot monitoring module is for being installed on gateway, parking lot and the district's supervisory system of parking, can be monitored by video camera and utility appliance (camera lens etc.) direct viewing thereof the situation in place, very clear, simultaneously can be all or part of the recording of the image that is monitored place, for the processing of some event is provided and facilitated condition and important evidence in the future.
The LED large display screen that parking lot information release module is mainly Entrance forms, and can issue the information on services such as the real-time parking space information in parking lot and parking lot periphery food and drink, amusement, business, facilitates car owner to obtain information needed.
Central server is realized the functions such as parking data is stored, parking space information gathers, distribution, tariff management, can also be realized the management of parking lot all devices is controlled by the mode of wired or wireless network.
Figure 14 is DSRC interaction flow schematic diagram between car-mounted terminal and trackside RSU antenna, as shown in figure 14: when vehicle sails Entrance into, RSU sends parking position information of park and antenna position information, car-mounted terminal receives relevant information and sends information of vehicles, RSU recording information of vehicles and sailing into the time simultaneously, communication finishes; When vehicle sails inner part of parking lot into, RSU antenna obtains information of vehicles, and communication finishes.When vehicle rolls parking lot away from, RSU antenna verification information of vehicles, generates identifying code and also sends to car-mounted terminal, and car-mounted terminal verifies identifying code, the checking operation of correctly deducting fees, the rear transmission of the having deducted fees result of deducting fees.Within RSU days, successfully whether ray examination deduct fees, and deducts fees successfully, and communication finishes.
By above description, can be found out, the RSU that install in parking lot is divided into 3 classes with effect, respectively: collection, record that Entrance RSU is responsible for information of vehicles sail the time into and position; The RSU that in parking lot, install intersection mainly parks to car-mounted terminal location guided vehicle; EXIT RSU is responsible for information of vehicles checking and fee deduction treatment.
Figure 15 is the structured flowchart of RSU, as shown in figure 15: the RSU in parking lot is comprised of functional modules such as microwave radio antenna, microcontroller, serial line interface, network interface, field-bus interface, SD card module, PSAM module, HDLC encoding and decoding.
Microwave radio antenna, for controlling transmitting and the reception of microwave signal, completes the aerial data interaction of RSU transaction modules and OBU.
HDLC codec unit realizes by hardware compression device, with respect to software codec, reduce better the bit error rate of aerial transceiving data, guaranteed the real time codec of data, improved the fault-tolerant ability of codec data, effectively shorten exchange hour, improved Transaction Success rate.
3G module realizes the information interaction with other 3G terminal, can communicate with the 3G of car-mounted terminal.
FlashRom module is responsible for storing the related work parameter of RSU, guarantee RSU power at every turn after duty normal.
Large capacity solid-state storage module realizes the mass memory of data, and advanced reliably access fast of storage administration mechanism data, can support the polytype SD cards such as MMC, SD, SDHC.
PSAM module is security of system module, be responsible for OBU equipment in ESAM module carry out authentication, carry out consumption safety authentication with subscriber card.
Serial line interface and network interface are responsible for the data interaction of microcontroller and main frame, and RSU transaction modules can upload to host computer system by transaction data by serial line interface or network interface, the various operational orders that also Receiving Host issues in real time simultaneously.
Below describe vehicle in detail and enter the interaction flow between car-mounted terminal behind parking lot, RSU and parking lot server:
1. when vehicle enters Entrance
When the ground induction coil of porch detects vehicle arrival, the control computing machine transmission in sentry box has car signal;
Controller sends and starts search command to entrance RSU;
RSU receives after this instruction, by radio-frequency antenna, sends broadcast data, comprises the information such as RSU numbering, current time, RSU position and RSU type in data;
Car-mounted terminal is entering RSU signal coverage areas, and receives after this broadcast data, first judges whether this RSU position and type are object parking lot;
If it is by voice message user vehicle, be about to enter object parking lot; Otherwise prompting user's " not being object parking lot ";
If user confirms to enter this parking lot, car-mounted terminal sends the parking request msg that comprises self numbering, information of vehicles to RSU;
RSU, after receiving this request msg, sends Query Information to track computing machine, has been confirmed whether vacant parking stall;
If there is no vacant parking stall, RSU sends the Frame that cannot stop to car-mounted terminal;
Car-mounted terminal receives after this Frame, to user, points out corresponding voice messaging, and by 3G network to background server application lastest imformation;
Near parking lot information background server sends to car-mounted terminal by 3G network.
Near parking lot car-mounted terminal guiding user enters;
If there is vacant parking stall in parking lot, RSU sends stopping guide information by 3G module/DSRC module to car-mounted terminal;
Car-mounted terminal, after receiving stopping guide information, is replied confirmation;
RSU after receiving the confirmation information, car-mounted terminal number, a record of composition such as information of vehicles, user profile, entry time sends to control computing machine.
Control the operation of letting pass of computer control automatic railing.While handle mistake car recorded information sends to parking lot central server and registers, and records down time.
2. parking guidance in region
By being set on the road in parking lot, realizes inducing in the region of vehicle induction RSU;
Vehicle is in finding the process of parking stall, and the induction RSU arranging on the way can constantly send to car-mounted terminal the vacant parking space information of each parking subregion in parking lot;
Car-mounted terminal sends to induction RSU the numbering of self, and induction RSU sends to central server to carry out record this numbering;
Central server is kept at this vehicle and enters the driving trace behind parking lot in database;
Car-mounted terminal receive induction RSU send after vacant parking space information, vacant parking space information can be presented on terminal display screen, by voice broadcast, point out simultaneously;
User under the guiding of car-mounted terminal by storing cycle on idle parking stall.
3. customer reverse is sought car and is sailed out of parking lot
If user forgets the vehicle of oneself and is parked in that region, can be in the information such as car-mounted terminal numbering of controlling computing machine place input oneself, control computing machine and can, to the parking lot subregion of central server inquiring user vehicle parking, improve the efficiency that user finds vehicle;
When the ground induction coil in exit detects vehicle arrival, the control computing machine transmission in sentry box has car signal;
Controller sends and starts search command to outlet RSU;
When Vehicle Driving Cycle to outlet RSU signal coverage areas time, car-mounted terminal receive outlet RSU broadcast singal after judge this RSU for outlet RSU;
Car-mounted terminal sends to outlet RSU by numbering, information of vehicles, user profile etc.;
Outlet RSU sends to control computing machine by terminal number and current time;
Control computing machine by Help Center's server, obtain the entry time of vehicle etc., according to these information, calculate parking fee, and fee deduction instruction is sent to outlet RSU;
Outlet RSU sends and deducts fees order to car-mounted terminal;
Car-mounted terminal is carried out and is deducted fees after operation, and to outlet, RSU sends confirmation;
Control computing machine and after deducting fees successfully, control automatic rail machine clearance.
In practical operation, can improve by setting up the quantity of induction RSU the accuracy of vehicle location inquiry.
Figure 16 is the schematic diagram that arranges of a kind of RSU of induction, and as shown in figure 16, induction RSU is set in intersection, and RSU negligible amounts under the prerequisite of parking guidance in meeting car park areas is not high but user seeks car accuracy.
Figure 17 is the schematic diagram that arranges of another kind of induction RSU, and as shown in figure 17, induction RSU is set at all crossings, in meeting car park areas under the prerequisite of parking guidance user to seek car accuracy very high, can determine the concrete region of vehicle parking.
Figure 18 is the configuration diagram of Intelligent parking lot system, and as shown in figure 18, this system comprises: intelligent vehicle mounted terminal, cdma network and base station server thereof, GPS navigation satellite and database thereof, urban district background server and parking lot background server.The course of work of this system comprises:
User inputs destination by input modes such as touch-screens to car-mounted terminal, and confirms parking guidance request;
Car-mounted terminal starts the parking guidance request to regional center server forwards user by 3G communication network of GPSONE module;
Regional center server is received after the request of car-mounted terminal, to car-mounted terminal sending destination periphery parking lot and parking position information of park;
Car-mounted terminal is added on embedded digital map by the information such as destination periphery parking position that receive and is presented at common user on screen and selects;
After user selects object parking lot, car-mounted terminal positions by GPSONE module, and according to path finding algorithm, provides the traffic route of recommendation;
In user's driving process, user can select whether the positioning result of GPSONE module to be sent to regional center server by 3G network by car-mounted terminal;
If user selects not reporting position information, car-mounted terminal constantly shows its position on numerical map according to positioning result, and user is navigated; The information in the periphery parking lot, up-to-date destination that constantly region of acceptance central server sends simultaneously;
If user selects reporting position information, car-mounted terminal constantly shows its position on numerical map according to positioning result, and user is navigated; The real-time road condition information that constantly region of acceptance central server sends simultaneously and the information in periphery parking lot, destination, and form the recommendation traffic route upgrading;
After user arrives Entrance, car-mounted terminal and the RSU antenna communication that is arranged on Entrance, carry out entrance and automatically register;
Car-mounted terminal completes after registration, and within entrance RSU days, alignment car-mounted terminal issues inner part of parking lot parking space information and plane map;
Car-mounted terminal forms the accurate relative position information of vehicle in parking lot be handed down to the intensity of descending DSRC signal of the RSU that positional information detects in conjunction with oneself according to entrance RSU antenna after;
Car-mounted terminal is crossed voice message with the parking lot plane map receiving with effective parking stall information exchange according to own relative position information in parking lot user is carried out to traffic guidance in parking lot;
In intersection, parking lot, car-mounted terminal receives positional information and near the parking stall occupied information that induction RSU antenna issues, and the information exchange of oneself is crossed to RSU antenna is sent to parking lot central server;
Vehicle parking is on the idle parking stall in certain region, parking lot the most at last under the prompting of car-mounted terminal for user, and parking lot central server is preserved the corresponding record of vehicle and car park areas;
When user will be sailed out of parking lot, by the car park areas at inquiry terminal enquiring vehicle place, parking lot;
When user drives to EXIT, export RSU antenna and car-mounted terminal and complete parking fee clearing, the IC-card deduction that expense is inserted from car-mounted terminal.
The car-mounted terminal of the embodiment of the present invention not only can carry out region class navigation, when vehicle enters behind parking lot, can utilize DSRC location technology to carry out parking stall guiding to it by car-mounted terminal.This car-mounted terminal also has the function of paying the fees, and it organically combines by GPSONE module and DSRC module the intelligent parking induction charge realizing vehicle.GPSONE improves one's methods to a kind of of GPS positioning system, can effectively improve the shortcoming of GPS, for car owner finds parking lot faster; DSRC is a kind of dedicated short-range communication, in order to the parking space information in parking lot to be provided to car-mounted terminal and to realize automatic charging.The embodiment of the present invention can realize parking guidance and realize non-parking charge vehicle, has effectively improved the running efficiency of intelligent parking lot.
In sum, the embodiment of the present invention has realized all standing and the seamless combination inside and outside parking lot, by the 3G vehicle positioning stop induction outside car park areas, induce with the DSRC vehicle positioning stop in car park areas, application flow in intelligent vehicle mounted terminal is combined, not only having realized induction outside region has also realized in parking lot and having induced, accomplish real City-level parking guidance, to user, brought convenience.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can come the hardware that instruction is relevant to complete by program, this program can be stored in a computer read/write memory medium, such as ROM/RAM, magnetic disc, CD etc.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a vehicle parking bootstrap technique, is characterized in that, described method comprises:
Receive the destination information of outside input;
According to the described destination information search parking lot information relevant to described destination;
According to described parking lot information, select suitable traffic route;
When vehicle arrives parking lot according to described traffic route, start the roadside unit launched microwave signal of Entrance, wake the Dedicated Short Range Communications, module of car-mounted terminal up, when the signal of described Dedicated Short Range Communications, module being detected, receive parking lot layout information and current parking space information from RSU antenna;
According to described parking lot layout information and current parking space information, select suitable parking spot;
According to described parking spot guided vehicle, berth;
Wherein, according to described parking lot layout information and current parking space information, select suitable parking spot, according to described parking spot guided vehicle, berth, comprising:
By employing, obtain the positional information that the maximum-signal method location technology of Dedicated Short Range Communications, signal intensity issues RSU and revise, generate the accurate relative position information of vehicle in parking lot;
Accurate relative position information according to vehicle in parking lot and the parking lot plane map receiving and effectively parking stall information exchange are crossed voice message guided vehicle and are berthed.
2. method according to claim 1, is characterized in that, according to described parking lot information, selects suitable traffic route to comprise:
Described parking lot information added on the numerical map of built-in vehicle and show;
Suitable traffic route is selected in the parking lot of selecting according to outside.
3. method according to claim 1, is characterized in that, after selecting suitable traffic route according to described parking lot information, described method also comprises:
The current location information of described vehicle is sent to navigation server;
Reception is from navigation information and the real-time road condition information of navigation server.
4. method according to claim 1, is characterized in that, after the parking lot layout information and current parking space information of described reception from RSU antenna, described method also comprises:
The information of described vehicle and owner information are sent to parking lot server by described RSU antenna.
5. method according to claim 4, is characterized in that, after berthing according to described parking spot guided vehicle, described method also comprises:
When described vehicle leaves parking lot, according to the information of described vehicle and owner information, carry out automatic charging.
6. a vehicle parking guiding device, is characterized in that, described device comprises:
Destination information receiving element, for receiving the destination information of outside input;
Parking lot information search unit, for searching for the parking lot information relevant to described destination according to described destination information;
Traffic route selected cell, for selecting suitable traffic route according to described parking lot information;
Parking lot information receiving element, for when vehicle arrives parking lot according to described traffic route, starts the roadside unit launched microwave signal of Entrance, wakes the Dedicated Short Range Communications, module of car-mounted terminal up; When the signal of described Dedicated Short Range Communications, module being detected, receive parking lot layout information and current parking space information from RSU antenna;
Parking spot selected cell, for selecting suitable parking spot according to described parking lot layout information and current parking space information;
Parking navigation unit, for berthing according to described parking spot guided vehicle;
Wherein, described parking spot selected cell specifically for: by employing, obtain the positional information that the maximum-signal method location technology of Dedicated Short Range Communications, signal intensity issues RSU and revise, generate the accurate relative position information of vehicle in parking lot;
Described parking navigation unit specifically for: the accurate relative position information according to vehicle in parking lot and the parking lot plane map receiving and effectively parking stall information exchange cross voice message guided vehicle and berth.
7. device according to claim 6, is characterized in that, described traffic route selected cell comprises:
Map display module, for adding described parking lot information on the numerical map of built-in vehicle and showing;
Traffic route is selected module, for the parking lot of selecting according to outside, selects suitable traffic route.
8. device according to claim 6, is characterized in that, described device also comprises:
Vehicle current location information transmitting element, for sending to navigation server by the current location information of described vehicle;
Navigation information receiving element, for receiving navigation information and the real-time road condition information from navigation server.
9. device according to claim 6, is characterized in that, described device also comprises:
Information of vehicles transmitting element, for sending to parking lot server by the information of described vehicle and owner information by described RSU antenna.
10. device according to claim 9, is characterized in that, described device also comprises:
Automatic charging unit, for when described vehicle leaves parking lot, carries out automatic charging according to the information of described vehicle and owner information.
11. 1 kinds of vehicle parking guidance systems, is characterized in that, described system comprises navigation server, RSU antenna, parking lot server and the vehicle parking guiding device as described in any one in claim 6 to 8,
Described navigation server receives the navigation request of described vehicle parking guiding device and vehicle is navigated, described vehicle parking guiding device reaches behind parking lot with described RSU antenna and carries out alternately with the described vehicle that berths, and described vehicle parking guiding device is undertaken alternately to carry out automatic charging by described RSU antenna and described parking lot server.
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| CN201210199452.8A CN102722999B (en) | 2012-06-14 | 2012-06-14 | Method, device and system for guiding parking of vehicle |
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| CN201210199452.8A CN102722999B (en) | 2012-06-14 | 2012-06-14 | Method, device and system for guiding parking of vehicle |
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