CN113178095A - Parking space classification guiding method and system - Google Patents
Parking space classification guiding method and system Download PDFInfo
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- CN113178095A CN113178095A CN202110448375.4A CN202110448375A CN113178095A CN 113178095 A CN113178095 A CN 113178095A CN 202110448375 A CN202110448375 A CN 202110448375A CN 113178095 A CN113178095 A CN 113178095A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/02—Reservations, e.g. for tickets, services or events
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/63—Scene text, e.g. street names
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/625—License plates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/08—Detecting or categorising vehicles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/09—Recognition of logos
Abstract
The invention discloses a parking space classification guiding method and a parking space classification guiding system, which are used for identifying the type of a vehicle and judging whether the vehicle to be warehoused is a common vehicle or a special vehicle; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles; matching a target parking space according to the type of the vehicle and a parking space distribution rule, wherein the parking space distribution rule comprises an appointed parking space distribution rule and a non-appointed parking space distribution rule; and carrying out in-field navigation through the RFID card or the license plate, and guiding the vehicle to a target parking space. The invention solves the problem of blindly searching for the pain point of the parking place, is directionally guided, is specially used, meets the requirement of personalized parking, reduces the time for searching for the parking place and walking, reduces the phenomenon of disorderly parking and disorderly placing, and improves the standardized parking level in the parking lot.
Description
Technical Field
The invention relates to the technical field of intelligent parking auxiliary systems.
Background
With the improvement of the economic level of China and the adjustment of the industrial structure, the personalized travel demand of residents is increased, and the quantity of motor vehicles kept is greatly increased. According to the statistical data of the bureau of transportation and administration of the ministry of public security, the number of motor vehicles in the whole country reaches 3.72 hundred million by 2020, wherein the number of new energy vehicles is 492 thousands, and the expansion range is up to 29.13% compared with the same ratio in the last year. The increase speed of the automobile holding capacity is faster than the construction speed of traffic infrastructure, so that the contradiction between supply and demand of parking is also stimulated, and a series of problems of difficult parking are caused. On the one hand, the lack of overall supply capacity is reflected in parking; on the other hand, the parking structure is unreasonable, for example, the new energy parking space is seriously insufficient and is often occupied by a common vehicle. In addition, the blind locating of the user in the parking process causes low operation efficiency in the parking lot, and meanwhile, the structural parking contradiction is aggravated by the nonstandard parking.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a parking space classification guiding system, which solves the problem of blindly searching for pain points of parking spaces.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a parking stall classification guide method, mainly guides to special vehicle, can reduce construction cost, includes the following step:
identifying the type of the vehicle, and judging whether the vehicle to be warehoused is a common vehicle or a special vehicle; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
matching corresponding special parking spaces according to the types of special vehicles, screening out a target parking space from unoccupied corresponding types of special parking spaces according to a parking space allocation rule, writing a parking space number of the selected target parking space into an RFID card, and issuing the RFID with the written parking space number; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
the position of a vehicle in the parking lot is sensed through the RFID card, so that a navigation path from the vehicle to a target parking space is calculated in real time, and turning information on the navigation path is displayed on a display screen of an intersection closest to a sensing point when the RFID card is sensed;
when the intelligent ground lock on the target parking space senses the corresponding RFID card, the parking space is unlocked; otherwise, the lock is not unlocked, thereby avoiding being occupied by other vehicles.
Furthermore, the parking space allocation rules comprise reserved parking space allocation rules and non-reserved parking space allocation rules; the reserved parking space allocation rule is that a parking space with the shortest destination path in the distance reservation information is screened out: and the non-reserved parking space allocation rule is to screen out the parking space closest to the pedestrian passageway or the exit or the elevator entrance.
Further, identifying the vehicle contour size through laser scanning, and if the vehicle contour size is larger than a threshold value, judging that the vehicle is a large vehicle; the method comprises the steps that image recognition is carried out on a practice mark, and if the practice mark is recognized, the vehicle is judged to be a practice vehicle; judging whether the driver is a female driver vehicle or not by carrying out face recognition on the driver; and judging whether the vehicle is a new energy vehicle or not through license plate recognition.
Further, aiming at large-scale vehicles and practice vehicles, identification is carried out when the vehicles are put in storage, and corresponding RFID cards are automatically issued through an RFID card sender at an entrance; aiming at new energy vehicles and female driver vehicles, whether RFID cards of corresponding types are picked up or not is determined according to the requirements of drivers, and if not, the vehicles are divided into common vehicles; the RFID card sender in the field is arranged for the new energy vehicle and the female driver vehicle, provides a new energy parking place and a female parking place selecting function, preferentially matches an unoccupied new energy parking place or female parking place which is the shortest in distance from the RFID card sender in the field, and then sends a corresponding RFID card.
Further, automatic card distribution is carried out by combining the vehicle type identification result and the reservation type identification result, wherein the reservation type is identified as a reserved vehicle or a non-reserved vehicle according to the license plate number:
if the vehicle is a non-reservation vehicle, the vehicle is released under the condition of an empty parking space, wherein the empty parking space is not occupied or reserved; if the vehicle is a large vehicle or a practice vehicle and is a non-reservation vehicle, screening out a target parking space closest to a pedestrian passageway or an exit or an elevator entrance from unoccupied corresponding special parking spaces, and then issuing a corresponding RFID card;
if the vehicle is an appointed vehicle, releasing; if the vehicle is a large vehicle or a practice vehicle and is an appointed vehicle at the same time, screening out a target parking space with the shortest distance to a destination path from the corresponding unoccupied special parking spaces according to an appointed parking space distribution rule, and then issuing a corresponding RFID card; if the vehicle is not a large vehicle or a practice vehicle but is an appointment vehicle, the RFID card is not issued, and the license plate information is collected and then the vehicle is released;
the invention also provides a parking space classification guiding system, which comprises a parking space guiding control system, a vehicle type identification system, an RFID card issuing system, an in-field navigation system and a parking space lock system;
the RFID card issuing system comprises an RFID card issuing machine at an entrance and an in-site RFID card issuing machine, a unique RFID card is bound in each special parking space, and the special parking spaces comprise large parking spaces, practice parking spaces, new energy parking spaces and lady parking spaces; the RFID card sender at the entrance is used for sending the RFID of the corresponding large parking space and practice parking space for the large vehicles and practice vehicles in the special vehicles; the in-field RFID card sender is used for sending corresponding RFID cards of new energy parking spaces and lady parking spaces for new energy vehicles and lady vehicles in special vehicles;
the vehicle type identification system comprises a laser scanning system for identifying the size of the vehicle and an image identification system for identifying the implementation mark;
the parking space guidance control system is used for judging whether the parking spaces are large vehicles or practice vehicles in special vehicles according to the identification results of the laser scanning system and the image identification system, screening out the special parking spaces closest to a pedestrian passageway or an exit or an elevator entrance in the currently available corresponding types of special parking spaces according to an optimal path algorithm, and sending the special parking spaces to the RFID card sender at the entrance; the parking space guidance control system is used for screening unoccupied new energy parking spaces or lady parking spaces with shortest paths away from the RFID card sender according to card sending requests of the RFID card sender in a field, wherein the card sending requests comprise new energy parking space card sending requests and lady parking space card sending requests;
the navigation system in the parking lot comprises a display screen arranged at each intersection in the parking lot and RFID detectors near each intersection, and the RFID detectors send self position information and RFID card ID information to the parking lot guidance control system after sensing RFID cards, so that the navigation path from a special vehicle to the corresponding special parking lot is calculated in real time, and turning information on the navigation path is sent to the display screen of the intersection nearest to the corresponding RFID detector for display;
the parking spot lock system comprises parking spot locks with RFID induction functions, wherein the parking spot locks are arranged on the special parking spots, and the parking spot locks sense the RFID cards matched with parking spot information and then unlock the parking spot locks.
The invention also provides another parking space classification guiding method, which can guide corresponding special vehicles and common vehicles and comprises the following steps:
identifying the type of the vehicle, and judging whether the vehicle to be warehoused is a common vehicle or a special vehicle; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
matching corresponding parking spaces according to the types of the vehicles: the ordinary vehicles are matched with the ordinary parking spaces, the special vehicles are matched with the special parking spaces, a target parking space is screened out from unoccupied parking spaces of corresponding types according to parking space distribution rules, and the parking space number of the selected target parking space is bound with the license plate number of the vehicle to be warehoused;
identifying license plate numbers through cameras of all intersections in the parking lot to carry out in-site positioning, calculating a navigation path to a corresponding target parking space in real time, and then displaying turning information on a display screen of the corresponding intersection;
when the vehicle reaches the last intersection away from the target parking space, unlocking the target parking space;
identifying the license plate number of the vehicle parked on the parking space and judging whether the license plate number is bound with the parking space number or not, thereby identifying whether the behavior that the vehicle is not aligned exists or not; the behavior of the car not aligning is penalized by raising its parking rate at the settlement unit.
Compared with the prior art, the invention has the following beneficial effects:
1. for alleviating the difficult problem of looking for the parking stall, prior art limits to and shows idle parking stall surplus, even there is idle parking stall, the vehicle gets into the garage after, often still need the indiscriminate purpose of indiscriminate looking for the parking stall to the idle parking stall of easily finding is good can not match the demand of parking of self, and the main reason lies in the neglect to the parking demand of different vehicle types. The invention firstly considers the requirements of special vehicles on special parking spaces, allocates corresponding special parking spaces according to the types of the special vehicles, binds the special parking spaces and the RFID card by combining the RFID technology, and simultaneously carries out in-field navigation and parking space unlocking on the basis of the RFID card, thereby achieving three purposes at a time, being buckled in a ring and having ingenious design.
2. Aiming at the rigidity requirements of large vehicles and practice vehicles on special parking spaces, the vehicle types are automatically identified and the cards are automatically issued, so that the intelligent degree is high. Aiming at new energy vehicles and female driver vehicles, the user requirements are fully respected, the humanistic care spirit is reflected, and the user experience is improved.
3. When the parking space is matched, the optimal path is further considered on the basis of considering the vehicle type, the travel convenience is greatly improved, and the parking requirements are matched more deeply.
5. The invention solves the problem of blindly searching for the pain point of the parking place, is directionally guided, is specially used, meets the requirement of personalized parking, reduces the time for searching for the parking place and walking, reduces the phenomenon of disorderly parking and disorderly placing, and improves the standardized parking level in the parking lot.
6. In order to carry out categorised guide to ordinary parking stall and special parking stall simultaneously, bind parking stall serial number and license plate number, recycle license plate number recognition technology and carry out navigation in the scene, intelligent degree and guide efficiency are higher.
Drawings
FIG. 1 is a parking space classification guidance flow;
FIG. 2 is a schematic diagram of laser scanning to identify vehicle contour dimensions;
FIG. 3 is a schematic view of image navigation;
FIG. 4 is an RFID sensing schematic;
FIG. 5 is a schematic illustration of vehicle type identification at an entrance;
FIG. 6 is a layout diagram of an RFID card sender at an entrance;
FIG. 7 is a schematic view of RFID navigation;
fig. 8 is a schematic view of parking lock unlocking.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
The parking space classification guiding technology based on RFID and the parking space classification guiding technology based on image recognition in the invention can be used independently according to construction budget or construction requirements, or can be fused with the construction budget or the construction requirements, the fused parking space classification guiding process is shown in figure 1, and each part is explained below respectively
First), special vehicle and special parking space description
The special vehicle mainly comprises an oversized vehicle, a novice practice vehicle, a female driver driving vehicle and a new energy vehicle. Through the use of this system, reach one kind and appoint respectively suitable optimum parking stall for special vehicle, realize that concrete parking stall supplies with the information symmetry with driver's parking demand, and then promote the standardization of parking resource, alleviate the structural problem of the parking in-process. The method mainly comprises three aspects of vehicle type identification at an entrance, in-place guidance of the vehicle, tail-end parking behavior guidance and the like.
The special vehicles of different types correspond to the following special parking spaces:
(1) large parking spaces: for large vehicles, the conventional large and small parking spaces of the common parking lot can not park the vehicles, and specific large-size parking spaces are required to be arranged for parking the vehicles. After the laser identifies the large vehicle, the RFID card can be guided to the position of the large vehicle.
(2) Practice parking stall: the novice driver who drives during to practice provides specific parking stall, and this type of novice parking stall attaches has panorama parking image display screen, and the guide driver parks. The practice mark is arranged at the tail of the vehicle and is identified by scanning the tail of the vehicle. And the traffic safety law definitely requires that the drivers in the training period should paste the training period marks.
(3) Women's parking stall: the women parking stall is the car parking stall that specially sets up for the women, and this parking stall is better than general parking stall position, and is wider spacious, changes in the parking of vehicle. Female drivers drive into, and in the RFID card sender department of on-the-spot, thereby decide whether to receive the RFID card and park the car in female parking stall according to self needs.
(4) The new energy parking space: a driver drives a new energy vehicle to drive into a parking lot, and determines whether to take an RFID card or not according to the self requirement (whether the vehicle needs to be charged) at an RFID card sender in the parking lot, so that the vehicle is parked on a charging parking space.
Two), vehicle type identification
The vehicle type identification system includes a laser scanning system for identifying the size of the vehicle and an image identification system for identifying the implemented logo. Identifying the outline size of the vehicle through laser scanning, and if the outline size of the vehicle is larger than a threshold value, judging the vehicle to be a large vehicle; the method comprises the steps that image recognition is carried out on a practice mark, and if the practice mark is recognized, the vehicle is judged to be a practice vehicle; the laser scanning identification and the image identification are carried out simultaneously or sequentially. Judging whether the driver is a female driver vehicle or not by carrying out face recognition on the driver; and judging whether the new energy vehicle is a new energy vehicle or not through license plate identification, wherein the color of the new energy license plate is different from that of the common license plate.
Referring to fig. 2 and 5, a related apparatus of laser vehicle type recognition technology is installed at a parking lot entrance for detecting whether a target vehicle is an oversized vehicle exceeding the size of a conventional vehicle type, thereby taking measures of whether to issue an RFID card. The system is arranged on a cross rod, the height is 5m, the measuring distance of a laser sensor is about 0 to 10 m, the system can realize accurate acquisition of the outer contour of a vehicle, the average error is about 0.05 m, and the upper limit of the error is about 10 cm.
When a vehicle enters a parking lot, the vehicle is identified as a special vehicle through the vehicle type, when the parking lot has a parking space of the type of vehicle, the RFID card of the special parking space can be received at the RFID card sender at the entrance, and if the type of parking space does not exist, a vehicle owner can decide whether to enter the parking lot.
Third), license plate recognition and image navigation
The parking space reservation system supports parking space reservation at a mobile terminal and inputs reservation information, the reservation information comprises license plate information and destination information, the parking space reservation system is matched with a corresponding parking garage according to the destination and sends the reservation information to a parking space guide control system of the corresponding parking garage, and therefore the parking space guide control system can be matched with the parking space according to the reservation information.
In the reservation stage, a user can reserve a parking space through mobile terminal equipment such as a mobile phone (only support reservation of a common parking space, protection of special parking space resources, on-site identification and on-site distribution of the special parking space), partial guarantee money needs to be paid, the state of the parking space is updated to an occupied state, the reserved period of the parking space is 30 minutes, the state of the parking space is updated to be free when the parking space is overtime, and other users can reserve the parking space. The parking space allocation unit is responsible for processing the secondary position finding problem, and when the user and the reserved parking space are occupied by other vehicles due to various reasons, the parking space allocation management center allocates the secondary optimal parking space for the user again according to the situation of the remaining parking spaces in the parking lot. The settlement unit is used for charging according to the parking time from the time when the vehicle enters the parking place to the time when the vehicle leaves the parking place, and the rate is increased when the vehicle is not aligned in the parking process. And the parking space resource management center updates the condition of the residual parking spaces in the parking lot in real time and determines the optimal parking space.
The license plate recognition system is arranged at an entrance of the garage, and sends the recognized license plate number to the parking space guide control system, so that the parking space guide control system can judge whether the vehicle is an appointed vehicle according to the license plate number.
The image navigation system is used for navigating non-special vehicles in a reserved vehicle and female driver vehicles or new energy vehicles without picking up RFID cards, common parking places with shortest route to a destination are screened out from the unoccupied common parking places, the image navigation system identifies license plate numbers through cameras at all intersections in the parking lot to carry out in-site positioning, calculates navigation routes of corresponding target parking places in real time, and then displays turning information and the license plate numbers on display screens of the corresponding intersections.
Reservation information including the license plate number and the destination is acquired through modes such as mobile phone reservation of a user, and the user can arrive at a target parking space only by driving along with information of the variable information boards at the nodes of the intersections after entering the parking lot, which is shown in a reference figure 3.
The variable information board can release dynamic information such as road conditions in real time, and in the design, the information for identifying the license plate in front of the intersection is sent to the database server, and the steering information of the vehicle is displayed on the variable information board through the interaction function of software and hardware to realize the guidance of the path. In order to ensure the performance of the equipment, the main frequency is at least above 33MHz or even 66MHz, common COLDFIRE, POWER PC and ARM series are adopted, the LED variable information board based on ARM processor is adopted in the text, the processing speed of the combination is high, the image display quality can be greatly improved, and the satisfactory display effect can be obtained.
Fourth) parking space matching and RFID card issuing
Referring to fig. 6, after the license plate and the vehicle type are recognized, the automatic card issuing is performed by combining the vehicle type recognition result and the reservation type recognition result, wherein the reservation type is recognized as a reserved vehicle or a non-reserved vehicle according to the license plate number:
if the vehicle is a non-reservation vehicle, the vehicle is released under the condition of an empty parking space, wherein the empty parking space is not occupied or reserved; if the vehicle is a large vehicle or a practice vehicle and is a non-reservation vehicle, screening out a target parking space closest to a pedestrian passageway or an exit or an elevator entrance from unoccupied corresponding special parking spaces, and then issuing a corresponding RFID card;
if the vehicle is an appointed vehicle, releasing; if the vehicle is a large vehicle or a practice vehicle and is an appointed vehicle at the same time, screening out a target parking space with the shortest distance to a destination path from the corresponding unoccupied special parking spaces according to an appointed parking space distribution rule, and then issuing a corresponding RFID card; if the vehicle is not a large vehicle or a practice vehicle, but is a reservation vehicle, the RFID card is not issued, and the license plate information is collected and then the vehicle is released.
The system selects the parking place closest to the user trip end point from the real-time idle parking places, and considers the process that the user needs to walk to the destination after the parking operation is finished from the perspective of humanization. Because the long wave signal of the GPS cannot cover the underground garage, the system adopts the MongoDB database to store the distribution condition of the parking lot and the position information of the shops around the parking lot, and the like, thereby completing the design and development of the database. The system establishes a position-finding model taking an elevator port as a central node in order to reduce the number of traversal nodes and accelerate the operation speed. And converting a network structure formed by the road sections and the intersection nodes into an undirected weighted graph. For the reservation user, the system knows the travel terminal, the distance from a target parking space to a certain elevator port in the underground parking lot is set as a, the distance from the elevator port to the target parking space in the corresponding floor of the parking space is set as b, and the optimal parking space of the target vehicle is found as long as the global optimum meeting the formula min (a + b). And for the temporary arrival user, the system will automatically assign it the optimal parking lot that satisfies mina.
The RFID card sender in the field is arranged for the new energy vehicle and the female driver vehicle, provides a new energy parking place and a female parking place selecting function, preferentially matches an unoccupied new energy parking place or female parking place which is the shortest in distance from the RFID card sender in the field, and then sends a corresponding RFID card.
Five) RFID in-field navigation
Referring to fig. 4, an active RFID collection detector with a frequency of 433MHz is installed at each intersection in a parking lot, when a vehicle carrying an RFID electronic card approaches the detector, the detector senses the card, transmits position information of a target parking space corresponding to the RFID card to a navigation system in the parking lot, and then a route is displayed on a display screen attached to the card, and the identification technology can also identify a plurality of electronic cards at the same time, thereby improving the efficiency of using a navigation algorithm.
Referring to fig. 7, the optimal parking space obtained by using the parking space optimization algorithm is obtained by directionally guiding the vehicle through the RFID card, the RFID detector at the intersection in the parking lot detects the approach of the RFID card, transmits the position information of the target parking space corresponding to the RFID card to the in-field navigation system, and then displays the navigation route of the target parking space of the vehicle on the display screen provided in the in-field navigation system, so as to help the vehicle to quickly reach the parking space to which the target belongs.
Six) RFID unlocking
Referring to fig. 8, the RFID electronic card recognition technology is also applied to an intelligent lock for a specific parking space, an active collector with a frequency of 233MHZ and less than the frequency of an intersection RFID detector is installed on the ground lock, and when the vehicle arrives at a designated parking space, the ground lock detects RFID information matched with the ground lock, and the parking space is unlocked.
In addition, for ordinary parking places except for special parking places, the geomagnetic coil sensor is used for detecting the vehicles in the parking places, after the parking places are occupied, the videos track target vehicles to identify license plates and match database information, whether the vehicles are not aligned or not and the vehicles are out of the non-standard parking of the parking places by marking lines, and the vehicles are punished by improving the parking rates of the vehicles in the non-standard parking places in the settlement unit.
Claims (10)
1. The parking space classification guiding method is characterized by comprising the following steps:
identifying the type of the vehicle, and judging whether the vehicle to be warehoused is a common vehicle or a special vehicle; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
matching corresponding special parking spaces according to the types of special vehicles, screening out a target parking space from unoccupied corresponding types of special parking spaces according to a parking space allocation rule, writing a parking space number of the selected target parking space into an RFID card, and issuing the RFID with the written parking space number; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
the position of a vehicle in the parking lot is sensed through the RFID card, so that a navigation path from the vehicle to a target parking space is calculated in real time, and turning information on the navigation path is displayed on a display screen of an intersection closest to a sensing point when the RFID card is sensed;
when the intelligent ground lock on the target parking space senses the corresponding RFID card, the parking space is unlocked; otherwise, the lock is not unlocked, thereby avoiding being occupied by other vehicles.
2. The parking space classification guiding method is characterized by comprising the following steps:
identifying the type of the vehicle, and judging whether the vehicle to be warehoused is a common vehicle or a special vehicle; the types of the special vehicles comprise large vehicles, practice vehicles, new energy vehicles and female driver vehicles;
matching corresponding parking spaces according to the types of the vehicles: the ordinary vehicles are matched with the ordinary parking spaces, the special vehicles are matched with the special parking spaces, a target parking space is screened out from unoccupied parking spaces of corresponding types according to parking space distribution rules, and the parking space number of the selected target parking space is bound with the license plate number of the vehicle to be warehoused;
identifying license plate numbers through cameras of all intersections in the parking lot to carry out in-site positioning, calculating a navigation path to a corresponding target parking space in real time, and then displaying turning information on a display screen of the corresponding intersection;
when the vehicle reaches the last intersection away from the target parking space, unlocking the target parking space;
identifying the license plate number of a vehicle parked on the target parking space and judging whether the license plate number is bound with the parking space number or not, thereby identifying whether the behavior that the vehicle is not aligned exists or not; the behavior of the car not aligning is penalized by raising its parking rate at the settlement unit.
3. A space classification guidance method according to claim 1 or 2, characterized in that: the parking space allocation rules comprise reserved parking space allocation rules and non-reserved parking space allocation rules; the reserved parking space allocation rule is that a parking space with the shortest destination path in the distance reservation information is screened out: and the non-reserved parking space allocation rule is to screen out the parking space closest to the pedestrian passageway or the exit or the elevator entrance.
4. A space classification guidance method according to claim 1 or 2, characterized in that: identifying the outline size of the vehicle through laser scanning, and if the outline size of the vehicle is larger than a threshold value, judging the vehicle to be a large vehicle; the method comprises the steps that image recognition is carried out on a practice mark, and if the practice mark is recognized, the vehicle is judged to be a practice vehicle; judging whether the driver is a female driver vehicle or not by carrying out face recognition on the driver; and judging whether the vehicle is a new energy vehicle or not through license plate recognition.
5. The parking space classification guiding method according to claim 1, characterized in that: aiming at large vehicles and practice vehicles, the large vehicles and practice vehicles are identified when being put in storage, and corresponding RFID cards are automatically issued through an RFID card sender at an entrance; aiming at new energy vehicles and female driver vehicles, whether RFID cards of corresponding types are picked up or not is determined according to the requirements of drivers, and if not, the vehicles are divided into common vehicles; the RFID card sender in the field is arranged for the new energy vehicle and the female driver vehicle, provides a new energy parking place and a female parking place selecting function, preferentially matches an unoccupied new energy parking place or female parking place which is the shortest in distance from the RFID card sender in the field, and then sends a corresponding RFID card.
6. The parking space classification guiding method according to claim 5, characterized in that: and combining the vehicle type identification result with the reservation type identification result to automatically issue the card, wherein the reservation type is identified as a reserved vehicle or a non-reserved vehicle according to the license plate number:
if the vehicle is a non-reservation vehicle, the vehicle is released under the condition of an empty parking space, wherein the empty parking space is not occupied or reserved; if the vehicle is a large vehicle or a practice vehicle and is a non-reservation vehicle, screening out a target parking space closest to a pedestrian passageway or an exit or an elevator entrance from unoccupied corresponding special parking spaces, and then issuing a corresponding RFID card;
if the vehicle is an appointed vehicle, releasing; if the vehicle is a large vehicle or a practice vehicle and is an appointed vehicle at the same time, screening out a target parking space with the shortest distance to a destination path from the corresponding unoccupied special parking spaces according to an appointed parking space distribution rule, and then issuing a corresponding RFID card; if the vehicle is not a large vehicle or a practice vehicle, but is a reservation vehicle, the RFID card is not issued, and the license plate information is collected and then the vehicle is released.
7. The utility model provides a categorised bootstrap system of parking stall which characterized in that: the parking lot system comprises a parking lot guidance control system, a vehicle type identification system, an RFID card issuing system, an in-field navigation system and a parking lot lock system;
the RFID card issuing system comprises an RFID card issuing machine at an entrance and an in-site RFID card issuing machine, when in card issuing, the parking space number of a special parking space is written into a corresponding RFID card, and the special parking space comprises a large parking space, a practice parking space, a new energy parking space and a lady parking space; the RFID card sender at the entrance is used for sending the RFID of the corresponding large parking space and practice parking space for the large vehicles and practice vehicles in the special vehicles; the in-field RFID card sender is used for sending corresponding RFID cards of new energy parking spaces and lady parking spaces for new energy vehicles and lady vehicles in special vehicles;
the vehicle type identification system comprises a laser scanning system for identifying the size of the vehicle and an image identification system for identifying the implementation mark;
the parking space guidance control system is used for judging whether the parking spaces are large vehicles or practice vehicles in the special vehicles according to the identification results of the laser scanning system and the image identification system, screening target parking spaces closest to a pedestrian passageway or an exit or an elevator entrance in the currently available special parking spaces of corresponding types according to an optimal path algorithm, and sending the target parking spaces to the RFID card sender at the entrance; the parking space guidance control system is used for screening unoccupied new energy parking spaces or lady parking spaces with shortest paths away from the RFID card sender according to card sending requests of the RFID card sender in a field, wherein the card sending requests comprise new energy parking space card sending requests and lady parking space card sending requests;
the navigation system in the parking lot comprises a display screen arranged at each intersection in the parking lot and RFID detectors near each intersection, and the RFID detectors send self position information and RFID card ID information to the parking lot guidance control system after sensing RFID cards, so that the navigation path from a special vehicle to the corresponding special parking lot is calculated in real time, and turning information on the navigation path is sent to the display screen of the intersection nearest to the corresponding RFID detector for display;
the parking spot lock system comprises parking spot locks with RFID induction functions, wherein the parking spot locks are arranged on the special parking spots, and the parking spot locks sense the RFID cards matched with parking spot information and then unlock the parking spot locks.
8. The space classification guidance system according to claim 7, characterized in that: the parking space reservation system supports parking space reservation at the mobile terminal and inputs reservation information, the reservation information comprises license plate information and destination information, the parking space reservation system matches a corresponding parking garage according to the destination and sends the reservation information to a parking space guide control system of the corresponding parking garage, and the parking space guide control system can match the parking space according to the reservation information.
9. The space classification guidance system according to claim 8, characterized in that: the parking space guide control system is characterized by also comprising a license plate recognition system, wherein the license plate recognition system is arranged at the entrance of the garage and sends the recognized license plate number to the parking space guide control system, so that the parking space guide control system can judge whether the vehicle is an appointed vehicle according to the license plate number;
the in-field navigation system also comprises an image navigation system for navigating non-special vehicles in the reserved vehicles and female driver vehicles or new energy vehicles without picking up RFID cards, common parking places with shortest route to the destination are screened from the unoccupied common parking places, the image navigation system identifies the license plate number through cameras at each intersection in the parking field to carry out in-field positioning, calculates the navigation route of the corresponding target parking place in real time, and then displays turning information and the license plate number on the display screen of the corresponding intersection.
10. The space classification guidance system according to claim 7, characterized in that: also comprising for practice vehicles
Panoramic parking image system, after the parking stall lock unblock on the practice parking stall, practice parking stall top camera equipment is opened, and panoramic parking image shows on parking stall the place ahead display screen to park to the new hand vehicle and carry out the normalized guide.
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