CN111491273B - Communication method for road side unit and vehicle-mounted unit - Google Patents
Communication method for road side unit and vehicle-mounted unit Download PDFInfo
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- CN111491273B CN111491273B CN202010232191.XA CN202010232191A CN111491273B CN 111491273 B CN111491273 B CN 111491273B CN 202010232191 A CN202010232191 A CN 202010232191A CN 111491273 B CN111491273 B CN 111491273B
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a communication method for a road side unit and an on-board unit. The method comprises the steps that based on a road side unit, when a target vehicle exists in a target parking space, a communication connection request which is encrypted by an encryption module based on the road side unit is sent to a vehicle-mounted unit; feeding back a connection result based on the communication connection request to the road side unit based on the vehicle-mounted unit; and based on the road side unit, when the connection result is that the connection is successful, the road side unit and the on-board unit are successfully handshake is indicated, at the moment, the on-board unit is identified based on the unique identification information encrypted by the on-board unit encryption module, and the parking time of the target vehicle in the target parking space is counted. By sending the encrypted communication connection request and transmitting the encrypted unique identification information, the reliability of reading information is improved, information leakage is avoided, and the safety of the information is improved.
Description
Technical Field
The invention relates to the technical field of vehicle communication, in particular to a communication method for a road side unit and an on-board unit.
Background
The parking lot is a place for parking vehicles, and the existing parking lot has a simple parking lot which is only drawn with parking spaces and is unattended and charged, and also has a charging parking lot provided with a gate, a parking manager and a timing payee. In addition, in the charging process, vehicle identity information needs to be identified, and the parking time of the vehicle needs to be recorded, but in the general process of identifying the vehicle identity information, information is directly read through a card reader and an electronic tag, and the information leakage may be caused by the direct reading, so that a communication method based on a road side unit and an on-board unit is provided.
Disclosure of Invention
The invention provides a communication method for a road side unit and a vehicle-mounted unit, which is used for transmitting an encrypted communication connection request and transmitting encrypted unique identification information, thereby improving the reliability of read information, avoiding information leakage and improving the safety of the read information.
The embodiment of the invention provides a communication method for a road side unit and a vehicle-mounted unit, which comprises the following steps:
based on the road side unit, when a target vehicle exists at a target parking space, sending a communication connection request which is encrypted by a road side unit encryption module to the vehicle-mounted unit;
feeding back a connection result based on the communication connection request to the road side unit based on the on-board unit;
and on the basis of the road side unit, when the connection result is that the connection is successful, the road side unit and the vehicle-mounted unit are indicated to handshake successfully, at the moment, the unique identification information encrypted by the vehicle-mounted unit on the basis of an encryption module of the vehicle-mounted unit is identified, and the parking time of the target vehicle in the target parking space is timed.
Preferably, the roadside unit includes:
the system comprises a vehicle sensing module, a vehicle identification module, a vehicle information background communication module, a road side unit encryption module and an algorithm;
the vehicle sensing module is used for sensing whether a target vehicle exists at the target parking space;
the vehicle identification module is used for sending the communication connection request encrypted by the road side unit encryption module based on the vehicle information background communication module when the vehicle sensing module senses that the target vehicle exists, receiving a connection result fed back by the vehicle-mounted unit based on the vehicle information background communication module, and identifying unique identification information of the vehicle-mounted unit when the handshake is successful;
the road side unit encryption module is also used for decrypting the unique identification information identified by the vehicle identification module;
and the algorithm is used for timing the staying time of the target vehicle at the target parking space when the road side unit encryption module carries out decryption processing, and carrying out time correction on the timing duration to obtain the final parking time.
Preferably, the on-board unit includes: the system comprises a vehicle identification code, a vehicle identification code transceiving module and a vehicle-in unit encryption module;
the vehicle identification code is used for storing the unique identification code of the target vehicle;
the vehicle-mounted unit encryption module is used for decrypting the communication connection request encrypted by the vehicle-mounted unit and transmitting the decrypted communication connection request to the vehicle identification code transceiving module;
and the vehicle identification code transceiving module is used for encrypting the stored unique identification code based on the vehicle-mounted unit encryption module and sending the encrypted unique identification code to the vehicle-mounted unit when the handshake is successful.
Preferably, the roadside unit further includes: and the road side unit power supply module is used for providing electric energy for the vehicle sensing module, the vehicle identification module, the vehicle information background communication module, the road side unit encryption module and the algorithm.
Preferably, the on-board unit further includes: and the vehicle-mounted unit power supply module is used for providing electric energy for the vehicle identification code, the vehicle identification code transceiving module and the vehicle-mounted unit encryption module.
Preferably, the method further comprises the following steps:
monitoring all target parking spaces in a preset area based on a monitoring module, and transmitting a monitoring result to a user side of a target user corresponding to the target vehicle for displaying;
and the target vehicle and the user side are subjected to pre-communication binding.
Preferably, all target parking spaces in a preset area are monitored based on a monitoring module, and meanwhile whether a target vehicle exists in an area range corresponding to an entrance line of the target parking spaces is monitored;
if the target vehicle exists, determining vehicle information of the target vehicle, monitoring a target driver in the target vehicle, and determining driving information of the target driver based on a driver database;
monitoring and acquiring the motion state of the target vehicle according to the monitoring range of the monitoring module, and correcting the driving information based on the motion state acquired by monitoring;
acquiring a target parking space distribution map in a preset area, performing significance marking on occupied parking spaces based on a monitoring result of the target parking spaces acquired by a monitoring module, and transmitting the significance marked target parking space distribution map to the user side for displaying;
meanwhile, when the number of the target vehicles in the monitored area range is smaller than the number of the free parking spaces corresponding to the preset area, automatically recommending a first free parking space in the target parking space distribution map marked with significance to the target driver according to the actual distance between the target vehicle and the free parking spaces, and parking the target driver according to the recommended first free parking space;
when the number of the target vehicles in the monitored area range is equal to the number of the idle parking spaces corresponding to the preset area, intelligently judging the geographic positions of the idle parking spaces, and acquiring geographic advantage information related to the idle parking spaces;
automatically recommending a second free parking space in the target parking space distribution map marked with significance to the target driver according to the geographic advantage information and the corrected driving information, and parking the target driver according to the recommended second free parking space;
when the number of the target vehicles in the monitored area range is larger than that of the free parking spaces corresponding to the preset area, recommending corresponding third free parking spaces to the user sides with the number equal to that of the free parking spaces in the axial direction based on vehicle information and time, and enabling the target driver to park according to the recommended third free parking spaces;
before recommending the free parking space, determining whether an observation object exists in the free parking space, and if so, carrying out early warning and warning on the observation object.
Preferably, in the process that the target vehicle enters the corresponding vacant parking space, the method further includes:
acquiring corrected driving information of the target vehicle, and judging whether the target vehicle can be normally parked to the vacant parking space according to the driving information;
s represents a parking value that the target vehicle can be normally parked to an idle parking space; delta represents a motion state value obtained by monitoring, the value range is [0,1], and when delta is 0, the driving technology of a driver corresponding to the target vehicle is low; when the delta is 1, the driving technology of the driver corresponding to the target vehicle is high; h represents a driving characteristic value of a driving index matrix of corresponding driving information before the driving information is not corrected;
when the parking value S is larger than a preset value, the target vehicle can be normally parked to the free parking space, at the moment, the boundary point of the free parking space is monitored, and the distance between the vehicle boundary reminding the target vehicle and the boundary point is pushed to the user side in real time;
when the parking value S is equal to or equal to a preset value, if a guiding instruction input by the target driver is received based on the user side, acquiring a scheme value X of the target vehicle based on a current position point A (X, y) of the target vehicle and a position point set B (X, y) of the free parking space;
wherein n represents the total number of the position points in the position point set B, and i is the ith position point in the n position points; b i (x, y) represents a coordinate point corresponding to the ith position point; b (x, y)) Representing average coordinate points corresponding to the n position points; theta-theta i Representing the angle difference between the current position point A corresponding to the target vehicle and the ith position point in the corresponding position set B;
and calling a parking scheme related to the scheme value X in a parking database according to the scheme value X, and pushing the parking scheme related to the guidance instruction to the user side.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a communication method for a roadside unit and an on-board unit in an embodiment of the invention;
FIG. 2 is a block diagram of a roadside unit in an embodiment of the present invention;
FIG. 3 is a block diagram of an on-board unit in an embodiment of the present invention;
fig. 4 is a schematic diagram of parking advantages at different geographic locations according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides a communication method for a road side unit and a vehicle-mounted unit, as shown in fig. 1, including:
step 1: based on the road side unit, when a target vehicle exists at a target parking space, sending a communication connection request which is encrypted by a road side unit encryption module to the vehicle-mounted unit;
step 2: feeding back a connection result based on the communication connection request to the road side unit based on the on-board unit;
and step 3: and on the basis of the road side unit, when the connection result is that the connection is successful, the road side unit and the vehicle-mounted unit are indicated to handshake successfully, at the moment, the unique identification information encrypted by the vehicle-mounted unit on the basis of an encryption module of the vehicle-mounted unit is identified, and the parking time of the target vehicle in the target parking space is timed.
The communication connection request is for establishing a communication connection between the road side unit and the on-board unit.
The unique identification information may be a vehicle license plate number.
The beneficial effects of the above technical scheme are: the method and the device are used for transmitting the encrypted communication connection request and transmitting the encrypted unique identification information, so that the reliability of reading information is improved, information leakage is avoided, and the safety of the information is improved.
An embodiment of the present invention provides a communication method for a road side unit and an on board unit, where as shown in fig. 2, the road side unit includes:
the system comprises a vehicle sensing module, a vehicle identification module, a vehicle information background communication module, a road side unit encryption module and an algorithm;
the vehicle sensing module is used for sensing whether a target vehicle exists at the target parking space;
the vehicle identification module is used for sending the communication connection request encrypted by the road side unit encryption module based on the vehicle information background communication module when the vehicle sensing module senses that the target vehicle exists, receiving a connection result fed back by the vehicle-mounted unit based on the vehicle information background communication module, and identifying unique identification information of the vehicle-mounted unit when the handshake is successful;
the road side unit encryption module is also used for decrypting the unique identification information identified by the vehicle identification module;
and the algorithm is used for timing the staying time of the target vehicle at the target parking space when the road side unit encryption module carries out decryption processing, and carrying out time correction on the timing duration to obtain the final parking time.
The time correction of the timing duration is performed to ensure the accuracy of the acquisition time.
The connection result fed back as described above is, for example, a handshake success or a handshake failure.
The beneficial effects of the above technical scheme are: by encrypting the communication connection request and decrypting the unique identification information, the information security is improved, and the communication transmission security is improved.
An embodiment of the present invention provides a communication method for a roadside unit and an on-board unit, and as shown in fig. 3, the on-board unit includes: the system comprises a vehicle identification code, a vehicle identification code transceiving module and a vehicle-in unit encryption module;
the vehicle identification code is used for storing the unique identification code of the target vehicle;
the vehicle-mounted unit encryption module is used for decrypting the communication connection request encrypted by the vehicle-mounted unit and transmitting the decrypted communication connection request to the vehicle identification code transceiving module;
and the vehicle identification code transceiving module is used for encrypting the stored unique identification code based on the vehicle-mounted unit encryption module and sending the encrypted unique identification code to the vehicle-mounted unit when the handshake is successful.
The vehicle identification code may be generally understood as an electronic tag.
The beneficial effects of the above technical scheme are: by decrypting the communication connection request and decrypting the unique identification information, the information security is improved, and the security of communication transmission is improved.
The embodiment of the invention provides a communication method for a road side unit and a vehicle-mounted unit, wherein the road side unit further comprises the following steps: and the road side unit power supply module is used for providing electric energy for the vehicle sensing module, the vehicle identification module, the vehicle staying time calculation module, the vehicle information background communication module, the time correction module and the road side unit encryption module.
Preferably, the on-board unit further includes: and the vehicle-mounted unit power supply module is used for supplying electric energy to the vehicle identification code, the vehicle identification code transceiving module and the vehicle-mounted unit encryption module.
The beneficial effects of the above technical scheme are: the power supply module is arranged to ensure that the road side unit and the vehicle-mounted unit can work normally.
The embodiment of the invention provides a communication method for a road side unit and a vehicle-mounted unit, which further comprises the following steps:
monitoring all target parking spaces in a preset area based on a monitoring module, and transmitting monitoring results to a user side of a target user corresponding to a target vehicle for displaying;
and the target vehicle and the user side are subjected to pre-communication binding.
As a result of the monitoring, for example, four parking spaces a1, a2, a3, and a4 exist in the preset area a, the current parking situation of each parking space is monitored, and when a1 and a3 park, the monitoring results are that a1 and a3 park and a2 and a4 do not park.
The user side is, for example, a mobile phone side or a vehicle-mounted side.
The beneficial effects of the above technical scheme are: through monitoring the target parking stall, the target user of being convenient for in time knows the occupation condition on parking stall, binds through carrying out communication in advance with the user side, is for the convenience of transmitting the monitoring result to this user side, and the user of being convenient for in time looks over to in time remind the user.
Embodiments of the present invention provide a communication method for a roadside unit and an on-board unit,
monitoring all target parking spaces in a preset area based on a monitoring module, and simultaneously monitoring whether a target vehicle exists in an area range corresponding to an entrance line of the target parking spaces;
if the target vehicle exists, determining vehicle information of the target vehicle, monitoring a target driver in the target vehicle, and determining driving information of the target driver based on a driver database;
monitoring and acquiring the motion state of the target vehicle according to the monitoring range of the monitoring module, and correcting the driving information based on the motion state acquired by monitoring;
acquiring a target parking space distribution map in a preset area, performing significance marking on occupied parking spaces based on a monitoring result of the target parking spaces acquired by a monitoring module, and transmitting the significance marked target parking space distribution map to the user side for displaying;
meanwhile, when the number of the target vehicles in the monitored area range is smaller than the number of the free parking spaces corresponding to the preset area, automatically recommending a first free parking space in the target parking space distribution map marked with significance to the target driver according to the actual distance between the target vehicle and the free parking spaces, and parking the target driver according to the recommended first free parking space;
when the number of the target vehicles in the monitored area range is equal to that of the free parking spaces corresponding to the preset area, intelligently judging the geographic positions of the free parking spaces, and acquiring geographic advantage information related to the free parking spaces;
automatically recommending a second free parking space in the target parking space distribution map marked with significance to the target driver according to the geographic advantage information and the corrected driving information, and parking the target driver according to the recommended second free parking space;
when the number of the target vehicles in the monitored area range is larger than the number of the idle parking spaces corresponding to the preset area, recommending corresponding third idle parking spaces based on vehicle information and a user side with the number of the idle parking spaces equal to the number of the idle parking spaces in the axial direction of time, and parking the target driver according to the recommended third idle parking spaces;
before recommending the free parking space, determining whether an observation object exists in the free parking space, and if so, carrying out early warning and warning on the observation object.
In the embodiment, whether a target vehicle exists in an area range corresponding to an entry line of a target parking space is monitored while all target parking spaces in a preset area are monitored based on a monitoring module, so that a data basis is provided for subsequently recommending idle parking spaces;
and determining vehicle information, namely allocating parking spaces to the vehicles according to the sequence of the target vehicles entering the preset area under the condition that the number of the subsequent vehicles is excessive and the idle parking spaces are reserved, so that effective management and control are facilitated.
Through confirming target driver's driving information, acquire the driving state in the monitoring range simultaneously, revise driver's driving information, be convenient for effectually for the relevant idle parking stall of user propelling movement, consequently the position direction of idle parking stall is different, and the degree of difficulty of parkking is different, consequently, through acquireing driving information, for the idle parking stall of propelling movement, seem more practical, improve user experience effect.
The target parking space distribution map in the preset area is obtained, the occupied parking spaces are marked in a significant mode, so that the occupied parking spaces can be seen visually, and certainly, in the process, a user can park the vehicle without the position of the pushed free parking space, and the parking flexibility of the vehicle is improved.
Corresponding judgment is carried out on the geographic advantages related to the idle parking spaces, so that the corresponding parking spaces are better distributed for the target vehicles, and the safe parking of the drivers is ensured.
As shown in fig. 4, there are parking spaces a1, a2, a3, a4 in different geographical locations, and based on the preset area c and the location d of the target vehicle, it can be regarded as parking spaces a1> a2> a3> a4;
wherein the arrow direction indicates the direction of travel.
In this embodiment, the observation object may be a person or the like, and the warning is performed to remind the observation object to leave the area.
In this embodiment, the first vacant parking space, the second vacant parking space, and the third vacant parking space are distinguished based on the comparative analysis of the number of target vehicles and the number of vacant parking spaces.
The beneficial effects of the above technical scheme are: through the comparative analysis according to different vehicle numbers and idle parking space numbers, corresponding recommendation is carried out according to different data bases, the parking efficiency is improved, and the communication efficiency of the vehicle and the road side unit is further improved.
The embodiment of the invention provides a communication method for a road side unit and a vehicle-mounted unit, wherein in the process that a target vehicle drives into a corresponding vacant parking space, the method further comprises the following steps:
acquiring corrected driving information of the target vehicle, and judging whether the target vehicle can be normally parked to the vacant parking space according to the driving information;
s represents a parking value that the target vehicle can be normally parked to an idle parking space; delta represents a motion state value obtained by monitoring, the value range is [0,1], and when delta is 0, the driving technology of a driver corresponding to the target vehicle is low; when the delta is 1, the driving technology of the driver corresponding to the target vehicle is high; h represents the driving characteristic value of the driving index matrix of the corresponding driving information before the driving information is not corrected;
when the parking value S is larger than a preset value, the target vehicle can be normally parked to the free parking space, at the moment, the boundary point of the free parking space is monitored, and the distance between the vehicle boundary reminding the target vehicle and the boundary point is pushed to the user side in real time;
when the parking value S is equal to or equal to a preset value, if a guiding instruction input by the target driver is received based on the user side, acquiring a scheme value X of the target vehicle based on a current position point A (X, y) of the target vehicle and a position point set B (X, y) of the free parking space;
wherein n represents the total number of position points in the position point set B, and i is the ith position point in the n position points; b is i (x, y) represents a coordinate point corresponding to the ith position point;
representing average coordinate points corresponding to the n position points; theta-theta i Representing the angle difference between the current position point A corresponding to the target vehicle and the ith position point in the corresponding position set B;
and calling a parking scheme related to the scheme value X in a parking database according to the scheme value X, and pushing the parking scheme related to the guidance instruction to the user side.
The beneficial effects of the above technical scheme are: through confirming the value of parking, tentatively judge whether target vehicle can normally park to idle parking stall, and through the parking process to parking value S is greater than the target vehicle that the default corresponds and carry out the monitoring with some, and carry out effectual warning, through calculating the scheme value that parking value S equals or equals the default and corresponds, confirm the parking scheme that corresponds, and propelling movement user side, can effectually avoid the obstacle that meets at the parking in-process, improve the parking security, communication connection between in the follow-up vehicle that carries on and the road side unit provides reliable basis.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A communication method for a roadside unit and an on-board unit, comprising:
based on the road side unit, when a target vehicle exists at a target parking space, sending a communication connection request which is encrypted by a road side unit encryption module to the vehicle-mounted unit;
feeding back a connection result based on the communication connection request to the road side unit based on the on-board unit;
on the basis of the road side unit, when the connection result is that the connection is successful, the road side unit and the vehicle-mounted unit are indicated to handshake successfully, at the moment, the unique identification information encrypted by the vehicle-mounted unit on the basis of an encryption module of the vehicle-mounted unit is identified, and the parking time of the target vehicle in the target parking space is counted;
the communication method further comprises:
monitoring all target parking spaces in a preset area based on a monitoring module, and transmitting a monitoring result to a user side of a target user corresponding to the target vehicle for displaying;
the target vehicle and the user side are subjected to pre-communication binding;
monitoring all target parking spaces in a preset area based on a monitoring module, and simultaneously monitoring whether a target vehicle exists in an area range corresponding to an entrance line of the target parking spaces;
if the target vehicle exists, determining vehicle information of the target vehicle, monitoring a target driver in the target vehicle, and determining driving information of the target driver based on a driver database;
monitoring and acquiring the motion state of the target vehicle according to the monitoring range of the monitoring module, and correcting the driving information based on the motion state acquired by monitoring;
acquiring a target parking space distribution map in a preset area, performing significance marking on occupied parking spaces based on a monitoring result of the target parking spaces acquired by a monitoring module, and transmitting the significance marked target parking space distribution map to the user side for displaying;
meanwhile, when the number of the target vehicles in the monitored area range is smaller than the number of the free parking spaces corresponding to the preset area, automatically recommending a first free parking space in the target parking space distribution map marked with significance to the target driver according to the actual distance between the target vehicle and the free parking spaces, and parking the target driver according to the recommended first free parking space;
when the number of the target vehicles in the monitored area range is equal to the number of the idle parking spaces corresponding to the preset area, intelligently judging the geographic positions of the idle parking spaces, and acquiring geographic advantage information related to the idle parking spaces;
automatically recommending a second free parking space in the target parking space distribution map marked with significance to the target driver according to the geographic advantage information and the corrected driving information, and enabling the target driver to park according to the recommended second free parking space;
when the number of the target vehicles in the monitored area range is larger than the number of the idle parking spaces corresponding to the preset area, recommending corresponding third idle parking spaces based on vehicle information and a user side with the number of the idle parking spaces equal to the number of the idle parking spaces in the axial direction of time, and parking the target driver according to the recommended third idle parking spaces;
before recommending an idle parking space, determining whether an observation object exists in the idle parking space, and if so, carrying out early warning and warning on the observation object;
the process that the target vehicle drives into the corresponding vacant parking space further comprises the following steps:
acquiring corrected driving information of the target vehicle, and judging whether the target vehicle can be normally parked to the vacant parking space according to the driving information;
s represents a parking value that the target vehicle can be normally parked to an idle parking space; delta represents a motion state value obtained by monitoring, the value range is [0,1], and when delta is 0, the driving technology of a driver corresponding to the target vehicle is low; when the delta is 1, the driving technology of the driver corresponding to the target vehicle is high; h | represents a driving characteristic value of a driving index matrix of corresponding driving information before the driving information is not corrected;
when the parking value S is larger than a preset value, the target vehicle can be normally parked to the free parking space, at the moment, the boundary point of the free parking space is monitored, and the distance between the vehicle boundary reminding the target vehicle and the boundary point is pushed to the user side in real time;
when the parking value S is equal to or equal to a preset value, if a guiding instruction input by the target driver is received based on the user side, acquiring a scheme value X of the target vehicle based on a current position point A (X, y) of the target vehicle and a position point set B (X, y) of the free parking space;
wherein n represents the total number of position points in the position point set B, and i is the ith position point in the n position points; b i (x, y) represents a coordinate point corresponding to the ith position point;
representing average coordinate points corresponding to the n position points; theta-theta i Representing the angle difference between the current position point A corresponding to the target vehicle and the ith position point in the corresponding position set B;
and calling a parking scheme related to the scheme value X in a parking database according to the scheme value X, and pushing the parking scheme related to the guidance instruction to the user side.
2. The communication method of claim 1, wherein the roadside unit comprises:
the system comprises a vehicle sensing module, a vehicle identification module, a vehicle information background communication module, a road side unit encryption module and an algorithm;
the vehicle sensing module is used for sensing whether a target vehicle exists at the target parking space;
the vehicle identification module is used for sending the communication connection request encrypted by the road side unit encryption module based on the vehicle information background communication module when the vehicle sensing module senses that the target vehicle exists, receiving a connection result fed back by the vehicle-mounted unit based on the vehicle information background communication module, and identifying unique identification information of the vehicle-mounted unit when the handshake is successful;
the road side unit encryption module is also used for decrypting the unique identification information identified by the vehicle identification module;
and the algorithm is used for timing the staying time of the target vehicle at the target parking space when the road side unit encryption module carries out decryption processing, and carrying out time correction on the timing duration to obtain the final parking time.
3. The communication method according to claim 1, wherein the on-board unit includes: the vehicle identification code, the vehicle identification code transceiving module and the vehicle-mounted unit encryption module are arranged in the vehicle;
the vehicle identification code is used for storing the unique identification code of the target vehicle;
the vehicle-mounted unit encryption module is used for decrypting the communication connection request encrypted by the vehicle-mounted unit and transmitting the decrypted communication connection request to the vehicle identification code transceiving module;
and the vehicle identification code transceiving module is used for encrypting the stored unique identification code based on the vehicle-mounted unit encryption module and sending the encrypted unique identification code to the vehicle-mounted unit when the handshake is successful.
4. The communication method of claim 2, wherein the road side unit further comprises: and the road side unit power supply module is used for providing electric energy for the vehicle sensing module, the vehicle identification module, the vehicle information background communication module, the road side unit encryption module and the algorithm.
5. The communication method according to claim 3, wherein the on-board unit further includes: and the vehicle-mounted unit power supply module is used for supplying electric energy to the vehicle identification code, the vehicle identification code transceiving module and the vehicle-mounted unit encryption module.
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| CN111951602A (en) * | 2020-08-06 | 2020-11-17 | 广东飞翔云计算有限公司 | Parking lot vehicle searching method and device, electronic equipment and storage medium |
| CN112498337B (en) * | 2020-11-13 | 2023-01-17 | 浙江吉利控股集团有限公司 | Vehicle safety management method, device, system and storage medium |
| CN113706925B (en) * | 2021-09-05 | 2022-07-12 | 绿城科技产业服务集团有限公司 | Parking space lock system for parking lot operation management and management method thereof |
| CN115019535A (en) * | 2022-05-11 | 2022-09-06 | 广州杰赛科技股份有限公司 | Traffic early warning system based on car networking |
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