CN118736896A - Information transmission management method for Internet of vehicles - Google Patents
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Abstract
The invention provides an information transmission management method of the Internet of vehicles, which relates to the technical field of Internet of vehicles communication and comprises the following steps: the first vehicle sends an overtaking request to a cloud database; the cloud database receives the overtaking request, and calculates and obtains overtaking lane information and an initial second vehicle set; the cloud database sends overtaking prompt information to a plurality of initial second vehicles; the method comprises the steps that an initial second vehicle receives overtaking prompt information and determines the state of a first area; if pedestrians exist in the first area, initially sending pedestrian reminding information to the first vehicle by the second vehicle; the first vehicle receives pedestrian reminding information and calculates overtaking information; the first vehicle sends overtaking information to a cloud database, the cloud database determines a final second vehicle set, calculates overtaking time of each second vehicle in the second vehicle set, and sends overtaking time to the corresponding second vehicle; the invention solves the problem that the overtaking vehicle has a sight blind area when overtaking at a non-intersection road section.
Description
Technical Field
The invention relates to the technical field of Internet of vehicles communication, in particular to an information transmission management method of the Internet of vehicles.
Background
The Vehicle-to-evaluation (V2X) network connects vehicles, infrastructure, pedestrians, and other networks through wireless communication technology to enable efficient exchange of information. The vehicle communication management is carried out through the Internet of vehicles, potential dangers can be pre-warned through real-time data exchange, congestion is reduced, and the overall traffic efficiency is improved through functions of intelligent traffic signal coordination, dynamic route planning and the like. The existing internet of vehicles enables vehicles to communicate with traffic infrastructure such as signal lamps and parking lots by assisting in using mobile communication, satellite navigation and cloud computing technologies, so that the vehicles can make safer and more intelligent decisions in the driving process. However, the existing overtaking information transmission mode mainly depends on the traditional driver vision, auditory signals and modern vehicle communication technology, the road perception range is limited, and the problems of untimely reaction or lower recognition accuracy of the road area outside the intersection under the large background of advocating the pedestrians are solved.
In view of the above, the invention provides an information transmission management method of the internet of vehicles, which aims to solve the problem that a overtaking vehicle overtakes at a non-intersection road section to have a sight blind area.
Disclosure of Invention
The invention aims to provide an information transmission management method of the Internet of vehicles, which comprises the following steps: the first vehicle sends an overtaking request to a cloud database; the first vehicle is a vehicle with overtaking requirements; the cloud database receives the overtaking request and calculates overtaking lane information and an initial second vehicle set; the initial second vehicle set is a set of overtaken vehicles calculated according to the overtaking request; the cloud database sends overtaking prompt information to a plurality of initial second vehicles; the initial second vehicle receives the overtaking prompt information and determines the state of the first area; the first area refers to an area from the rear end of the initial second vehicle to the rear end of the previous vehicle, an area from the rear end of the initial second vehicle to the front intersection, or an area from the rear end of the initial second vehicle to the front first preset distance; if pedestrians exist in the first area, the initial second vehicle sends pedestrian reminding information to the first vehicle; the first vehicle receives the pedestrian reminding information and calculates overtaking information; the first vehicle sends the overtaking information to the cloud database, the cloud database determines a final second vehicle set, calculates overtaking time of each second vehicle in the second vehicle set, and sends overtaking time to the corresponding second vehicle.
Further, the vehicle communicates with the cloud database through the base station, including: the first vehicle performs channel quality index measurement to obtain the channel state of each subcarrier; the first vehicle feeds back the channel state to the base station while sending the overtaking request; the base station determines a communication subcarrier resource block according to the channel state, and distributes subcarriers in the subcarrier resource block to the first vehicle and the initial second vehicle; the first vehicle and the initial second vehicle communicate with each other and the cloud database through the allocated subcarriers.
Further, the cloud database receives the overtaking request, calculates overtaking lane information and an initial second vehicle set, and includes: processing the overtaking request and determining the current position and the current driving lane of the first vehicle; acquiring the road condition of a current road section, and determining a standby lane which is in the same direction as the current driving lane; acquiring a third vehicle which is positioned in front of the first vehicle and is closest to the first vehicle on the standby lane; and taking a front vehicle in the current driving lane within a first distance from the first vehicle as the initial second vehicle set.
Further, the cloud database receives the overtaking request, calculates overtaking lane information and an initial second vehicle set, and includes: processing the overtaking request and determining the current position and the current driving lane of the first vehicle; acquiring the road condition of a current road section, and determining a reverse lane reverse to the current driving lane; acquiring a fourth vehicle which is positioned in front of the first vehicle and is closest to the first vehicle on the reverse lane; and taking a front vehicle in the current driving lane and in a second distance from the first vehicle as the initial second vehicle set.
Further, for the first area where no emergency exists, the initial second vehicle sends feedback information to the cloud database, where the cloud database integrates multiple feedback information and sends the integrated feedback information to the first vehicle, and the method includes: the cloud database transmits the encrypted synchronous broadcast block through a wireless signal; the first vehicle receives the encrypted synchronous broadcast block and decrypts the encrypted synchronous broadcast block to obtain the synchronous broadcast block; the first vehicle verifies whether feedback information returned by each initial second vehicle in the broadcast signal is consistent; if yes, determining that initial second vehicles which are not directly communicated with the first vehicle agree to overtake; if not, the first vehicle reports the initial second vehicle which does not feed back information and does not communicate with the first vehicle to the cloud database; and the cloud database sends an information reply request to the initial second vehicle again.
Further, according to the distance between the initial second vehicle and the first vehicle, the feedback information of the initial second vehicle is modulated onto the broadcast signal in the synchronous broadcast block in ascending order.
Further, the first vehicle receives the pedestrian reminding information and calculates overtaking information, including: the first vehicle calculates a residence time window of the pedestrian in the overtaking lane; calculating an arrival time window of the first vehicle in an overtaking obstacle area where the pedestrian is located; determining a travel speed of the first vehicle based on the residence time window and the arrival time window, comprising: when the dwell time window does not have an overlap region with the arrival time window,; Wherein, Representing a cut-in speed of the first vehicle; Representing the highest running speed allowed by the current road section; when the first arrival time of the arrival time window falls within the region of the dwell time window or coincides with the end point of the dwell time window, ; Wherein, Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing the time of the pedestrian entering the overtaking lane, namely the first stay time of the stay time window; when the second arrival time of the arrival time window falls within the region of the dwell time window, ; Wherein, Representing the width of the overtaking obstacle area.
Further, determining a final second set of vehicles includes: when the first vehicle makes a same-direction overtaking, taking a front vehicle in a third distance from the first vehicle in a current driving lane as a final second vehicle set; and when the first vehicle performs reverse overtaking, taking the front vehicle in the fourth distance from the first vehicle in the current driving lane as a final second vehicle set.
Further, the calculation formula of the third distance is:
；
wherein, Representing a third distance; representing the safe distance between the front and rear vehicles; Representing an initial distance between the first vehicle and the third vehicle; A first one of the parameters is indicated, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; Representing a running speed of the third vehicle; A second parameter is indicated as such, ，Representing an initial travel speed of the first vehicle; Representing acceleration of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a third vehicle when the first vehicle reaches the overtaking obstacle area; A third parameter is indicated as such, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,。
Further, the calculation formula of the fourth distance is:
；
wherein, Representing a fourth distance; representing the safe distance between the front and rear vehicles; representing an initial distance between the first vehicle and the fourth vehicle; Representing a first two-parameter value of the first, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; representing a travel speed of the fourth vehicle; A second parameter is indicated which is indicative of a second parameter, ，Representing an initial travel speed of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a fourth vehicle when the first vehicle reaches the overtaking obstacle area; a third parameter is indicated which is a function of the second parameter, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,。
The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:
The invention can solve the problem that the overtaking vehicle has a blind area of sight by communicating with other vehicles, and avoid the tragic that the pedestrian flashes from the front vehicle when overtaking, and the braking is not timely. And moreover, through receiving and transmitting and processing less important prompt information by the cloud database, a large number of algorithms can be prevented from being redundant on the first vehicle, the calculation efficiency is improved, and the safety of information transmission is also improved through receiving and transmitting data by the cloud database.
The invention can improve the frequency spectrum utilization rate, the data processing efficiency and the data transmission rate by allocating continuous subcarriers for the first vehicle and the second vehicle for communication.
According to the method, the initial second vehicle set is obtained through the lane information, the front Fang Laiche and the first vehicle calculation, the overtaking request can be sent to the overtaking vehicles as accurately as possible, and the phenomenon that the information is sent untimely and the resource waste is caused by too many sending is avoided.
According to the method and the system for transmitting the information to the first vehicle, the information which happens unintentionally is integrated through the cloud database and transmitted to the first vehicle, so that the information receiving and processing efficiency of the first vehicle can be improved, and the safety of data transmission among vehicles can be improved. And the information is ordered according to the distance between the vehicle and the first vehicle, so that the first vehicle can acquire the vehicle information close to the first vehicle earlier, and more reserved time is provided for possible situations.
According to the invention, through calculating the final second vehicle set, more vehicles than possible can be ensured under the condition of safety, the first vehicle is prevented from being intercepted by the front straight-moving vehicle when turning right in front, and the driving efficiency is improved.
Drawings
Fig. 1 is an exemplary flowchart of an information transmission management method of the internet of vehicles provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Fig. 1 is an exemplary flowchart of an information transmission management method of the internet of vehicles provided by the present invention. As shown in fig. 1, the information transmission management method of the internet of vehicles provided by the invention comprises the following steps:
Step 1, a first vehicle sends an overtaking request to a cloud database.
The first vehicle is a vehicle having a need for overtaking. The cut-in request may include a vehicle identification of the first vehicle, a current location, a current speed, acceleration, lane information, cut-in direction, and the like. The cloud database is a cloud platform for receiving and transmitting vehicle data and managing and analyzing the vehicle data.
The vehicle communicates with the cloud database through the base station, and the method comprises the following steps: and the first vehicle performs channel quality index measurement to obtain the channel state on each subcarrier. The measurement of the channel quality index may refer to measuring packet loss rate, time delay, throughput, signal to noise ratio and the like of a channel, and determining a channel suitable for data transmission. The first vehicle feeds back the channel state to the base station while sending the overtaking request. And the base station determines a communication subcarrier resource block according to the channel state, and distributes subcarriers in the subcarrier resource block to the first vehicle and the initial second vehicle. The first vehicle and the initial second vehicle communicate with each other and with the cloud database via the allocated subcarriers. A communication subcarrier resource block refers to a series of subcarriers that are closely spaced and consecutively distributed across the frequency spectrum for communication between a first vehicle and an initial second vehicle. By communicating with successive subcarriers, spectrum utilization, processing efficiency, and data transmission rate can be improved.
And step 2, the cloud database receives the overtaking request and calculates overtaking lane information and an initial second vehicle set.
The cut-in lane information refers to information about lanes in which a first vehicle can cut-in. For example, the overtaking lane information may include a position of the overtaking lane, a use condition of the overtaking lane, a speed requirement of the overtaking lane, and the like. The initial second set of vehicles refers to the set of possible overtaken vehicles calculated from the overtaking request.
And the cloud database receives the overtaking request, calculates overtaking lane information and an initial second vehicle set, wherein the overtaking lane information is information of a lane allowing a first vehicle to overtake. The passing lane information may include lane position and speed requirements, etc. Under the condition of the same-direction overtaking, overtaking lane information and an initial second vehicle set are calculated, and the method comprises the following steps: and processing the overtaking request to determine the current position and the current driving lane of the first vehicle. The current position refers to a starting position at which the first vehicle begins to cut-in. The current driving lane refers to a lane in which the first vehicle is driving before passing, i.e., a lane in which the first vehicle is driving. And acquiring the road condition of the current road section, and determining a standby lane which is in the same direction as the current driving lane. The current road segment refers to a road segment that the first vehicle is currently traveling on. For example, the road segments may be divided according to intersections, and the road segment between the front and rear intersections of the road where the first vehicle is located may be regarded as the current road segment. The road condition may refer to information related to road information of the current link. For example, road conditions may include road quality, road type, road width, number of lanes, lane allocation conditions, and the like. The spare lane refers to other lanes in the same direction as the current driving road. For example, a lane adjacent to the current driving lane and near the center may be used as a backup lane or a backup lane suitable for overtaking may be calculated using a mathematical analysis or the like. A third vehicle in front of and closest to the first vehicle on the backup lane is acquired. In front of the first vehicle means in front of the current traveling direction of the first vehicle. The third vehicle refers to a first vehicle traveling in front of the first vehicle on the backup lane. A front vehicle within a first distance from the first vehicle within the current driving lane is taken as an initial second set of vehicles. The first distance may refer to a safe distance of the same-direction overtaking determined according to a distance of the third vehicle from the first vehicle and a traveling speed. A preceding vehicle may refer to a vehicle traveling in front of a first vehicle on a current lane. In the case of a reverse cut-in, calculating cut-in lane information and an initial second vehicle set, comprising: and processing the overtaking request to determine the current position and the current driving lane of the first vehicle. And acquiring the road condition of the current road section, and determining a reverse lane reverse to the current driving lane. The reverse lane refers to a lane opposite to the current traveling direction of the first vehicle. A fourth vehicle in front of and closest to the first vehicle on the reverse lane is acquired. The fourth vehicle refers to a vehicle traveling in reverse in front of the first vehicle on a reverse lane. And taking a front vehicle in a second distance from the first vehicle in a current driving lane as the initial second vehicle set. The second distance refers to a safe distance of the reverse cut-in determined according to a distance of the fourth vehicle from the first vehicle and a traveling speed. For example, the second distance may be a beyond-view distance.
And step 3, the cloud database sends overtaking prompt information to a plurality of initial second vehicles.
The overtaking prompt information refers to prompt information sent to a vehicle which is possibly overtaken, so that overtaking safety is improved, and collision is reduced. The overtaking information may include a vehicle identification of the first vehicle, an overtaking intention, a current location, overtaking lane information, an initial overtaking ending location, and the like. The initial cut-in end position refers to the maximum cut-in distance calculated from the cut-in request.
And 4, receiving the overtaking prompt information by the initial second vehicle and determining the state of the first area.
The initial second vehicle refers to the overtaken vehicle calculated from the overtaking request. The first area refers to an area from the rear end of the initial second vehicle to the rear end of the previous vehicle, or an area from the rear end of the initial second vehicle to the intersection ahead, or an area from the rear end of the initial second vehicle to the first preset distance ahead. The status of the first zone may be used to reflect whether pedestrians and/or other obstructions are present within the first zone. The first preset distance refers to a preset maximum distance of the longest vehicle for detecting the vehicle and its surrounding environment when overtaken.
And step 5, if the pedestrians exist in the first area, the initial second vehicle sends pedestrian reminding information to the first vehicle.
The pedestrian prompting information may be used to prompt the first vehicle that a pedestrian may be encountered during the passing. The pedestrian information may include a pedestrian position, a traveling direction, a traveling speed, and the like.
For the first area where the emergency does not exist, the initial second vehicle sends feedback information to the cloud database, the cloud database integrates multiple feedback information and then sends the integrated feedback information to the first vehicle, and the emergency can include the situation that pedestrians or other roads are occupied in the first area. The feedback information refers to information related to the second vehicle feedback to the cloud database for agreeing to overtake. Comprising the following steps: the cloud database transmits the encrypted synchronous broadcast block through a wireless signal. The first vehicle receives the encrypted synchronous broadcast block and decrypts the synchronous broadcast block. The first vehicle verifies whether feedback information returned by each initial second vehicle in the broadcast signal is consistent. If yes, determining that the initial second vehicles which are not directly communicated with the first vehicle agree to overtake. If not, the first vehicle reports the initial second vehicle which does not feed back information and does not communicate with the first vehicle to the cloud database. And the cloud database sends an information reply request to the initial second vehicle again. In some embodiments, to improve the information acquisition efficiency of the first vehicle, the feedback information of the initial second vehicle is modulated onto the broadcast signal in the synchronous broadcast block in ascending order according to the distance between the initial second vehicle and the first vehicle.
And 6, the first vehicle receives the pedestrian reminding information and calculates overtaking information.
The cut-in information may refer to information when the cut-in action is actually performed. The cut-in information may include cut-in lane information, cut-in paths, and the like. The first vehicle receives the pedestrian reminding information and calculates overtaking information, and the method comprises the following steps: the first vehicle calculates a residence time window of the pedestrian in the passing lane. The stay time window refers to a stay time of a pedestrian from reaching the overtaking lane to exiting the overtaking lane, and may include a first stay time of the pedestrian entering the overtaking lane and a second stay time of the pedestrian exiting the overtaking lane. An arrival time window is calculated for the first vehicle to reach the overtaking obstacle area where the pedestrian is located. The cut-in obstacle region refers to a region where pedestrians safely pass through the cut-in lane. For example, an area of a preset safe distance from the travel path. The arrival time window refers to a time from when the first vehicle arrives at the overtaking obstacle area to when the first vehicle exits the overtaking obstacle area, and may include a first arrival time and a second arrival time. Determining a running speed of the first vehicle (here, a running speed when a vehicle is overtaking) based on the stay time window and the arrival time window, includes: when the dwell time window does not have an overlap region with the arrival time window,; Wherein, Representing a cut-in speed of the first vehicle; Representing the highest travel speed allowed by the current road segment. When the first arrival time of the arrival time window falls within the region of the dwell time window or coincides with the end point of the dwell time window, ; Wherein, Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; representing a distance of the overtaking obstacle area from a current location of the first vehicle; The time for the pedestrian to enter the overtaking lane, i.e. the first dwell time of the dwell time window, is indicated. When the second arrival time of the arrival time window falls within the region of the dwell time window, ; Wherein, Representing the width of the overtaking obstacle area.
And 7, the first vehicle sends the overtaking information to the cloud database, the cloud database determines a final second vehicle set, calculates overtaking time of each second vehicle in the second vehicle set, and sends overtaking time to the corresponding second vehicle.
The final second set of vehicles refers to the set of vehicles that are ultimately powered off as determined from the cut-off information. Determining a final second set of vehicles, comprising: and when the first vehicle makes the same-direction overtaking, taking the front vehicle in the third distance from the first vehicle in the current driving lane as a final second vehicle set. And when the first vehicle performs reverse overtaking, taking the front vehicle in the fourth distance from the first vehicle in the current driving lane as a final second vehicle set. The calculation formula of the third distance is as follows:
；
wherein, Representing a third distance; representing the safe distance between the front and rear vehicles; Representing an initial distance between the first vehicle and the third vehicle; A first one of the parameters is indicated, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; Representing a running speed of the third vehicle; A second parameter is indicated as such, ，Representing an initial travel speed (e.g., a current travel speed) of the first vehicle; Representing acceleration of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a third vehicle when the first vehicle reaches the overtaking obstacle area; A third parameter is indicated as such, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,. The calculation formula of the fourth distance is as follows:
；
wherein, Representing a fourth distance; representing the safe distance between the front and rear vehicles; representing an initial distance between the first vehicle and the fourth vehicle; Representing a first two-parameter value of the first, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; representing a travel speed of the fourth vehicle; A second parameter is indicated which is indicative of a second parameter, ，Representing an initial travel speed of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a fourth vehicle when the first vehicle reaches the overtaking obstacle area; a third parameter is indicated which is a function of the second parameter, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,。
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The information transmission management method of the Internet of vehicles is characterized by comprising the following steps of:
the first vehicle sends an overtaking request to a cloud database; the first vehicle is a vehicle with overtaking requirements;
The cloud database receives the overtaking request and calculates overtaking lane information and an initial second vehicle set; the initial second vehicle set is a set of overtaken vehicles calculated according to the overtaking request;
The cloud database sends overtaking prompt information to a plurality of initial second vehicles;
The initial second vehicle receives the overtaking prompt information and determines the state of the first area; the first area refers to an area from the rear end of the initial second vehicle to the rear end of the previous vehicle, an area from the rear end of the initial second vehicle to the front intersection, or an area from the rear end of the initial second vehicle to the front first preset distance;
if pedestrians exist in the first area, the initial second vehicle sends pedestrian reminding information to the first vehicle;
The first vehicle receives the pedestrian reminding information and calculates overtaking information;
the first vehicle sends the overtaking information to the cloud database, the cloud database determines a final second vehicle set, calculates overtaking time of each second vehicle in the second vehicle set, and sends overtaking time to the corresponding second vehicle.
2. The information transmission management method of the internet of vehicles according to claim 1, wherein the vehicles communicate with the cloud database through the base station, comprising:
The first vehicle performs channel quality index measurement to obtain the channel state of each subcarrier;
The first vehicle feeds back the channel state to the base station while sending the overtaking request;
The base station determines a communication subcarrier resource block according to the channel state, and distributes subcarriers in the subcarrier resource block to the first vehicle and the initial second vehicle;
The first vehicle and the initial second vehicle communicate with each other and the cloud database through the allocated subcarriers.
3. The method for managing information transmission of internet of vehicles according to claim 1, wherein the cloud database receives the overtaking request and calculates overtaking lane information and an initial second vehicle set, and the method comprises:
Processing the overtaking request and determining the current position and the current driving lane of the first vehicle;
Acquiring the road condition of a current road section, and determining a standby lane which is in the same direction as the current driving lane;
Acquiring a third vehicle which is positioned in front of the first vehicle and is closest to the first vehicle on the standby lane;
And taking a front vehicle in the current driving lane within a first distance from the first vehicle as the initial second vehicle set.
4. The method for managing information transmission of internet of vehicles according to claim 1, wherein the cloud database receives the overtaking request and calculates overtaking lane information and an initial second vehicle set, and the method comprises:
Processing the overtaking request and determining the current position and the current driving lane of the first vehicle;
Acquiring the road condition of a current road section, and determining a reverse lane reverse to the current driving lane;
Acquiring a fourth vehicle which is positioned in front of the first vehicle and is closest to the first vehicle on the reverse lane;
and taking a front vehicle in the current driving lane and in a second distance from the first vehicle as the initial second vehicle set.
5. The method for managing information transmission of internet of vehicles according to claim 1, wherein for the first area where no emergency exists, the initial second vehicle sends feedback information to the cloud database, and the cloud database integrates a plurality of pieces of feedback information and sends the integrated feedback information to the first vehicle, including:
The cloud database transmits the encrypted synchronous broadcast block through a wireless signal;
The first vehicle receives the encrypted synchronous broadcast block and decrypts the encrypted synchronous broadcast block to obtain the synchronous broadcast block;
the first vehicle verifies whether feedback information returned by each initial second vehicle in the broadcast signal is consistent;
If yes, determining that initial second vehicles which are not directly communicated with the first vehicle agree to overtake;
If not, the first vehicle reports the initial second vehicle which does not feed back information and does not communicate with the first vehicle to the cloud database;
and the cloud database sends an information reply request to the initial second vehicle again.
6. The information transmission management method of the internet of vehicles according to claim 5, wherein the feedback information of the initial second vehicle is modulated onto the broadcast signal within the synchronous broadcast block in ascending order of the distance of the initial second vehicle from the first vehicle.
7. The information transmission management method of the internet of vehicles according to claim 1, wherein the first vehicle receives the pedestrian reminding information and calculates overtaking information, comprising:
the first vehicle calculates a residence time window of the pedestrian in the overtaking lane;
calculating an arrival time window of the first vehicle in an overtaking obstacle area where the pedestrian is located;
Determining a travel speed of the first vehicle based on the residence time window and the arrival time window, comprising:
When the dwell time window does not have an overlap region with the arrival time window, ; Wherein, Representing a cut-in speed of the first vehicle; representing the highest running speed allowed by the current road section;
When the first arrival time of the arrival time window falls within the region of the dwell time window or coincides with the end point of the dwell time window, ; Wherein, Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; representing a distance of the overtaking obstacle area from a current location of the first vehicle; representing the time of the pedestrian entering the overtaking lane, namely the first stay time of the stay time window;
when the second arrival time of the arrival time window falls within the region of the dwell time window, ; Wherein, Representing the width of the overtaking obstacle area.
8. The information transmission management method of the internet of vehicles according to claim 1, wherein determining the final second vehicle set includes:
When the first vehicle makes a same-direction overtaking, taking a front vehicle in a third distance from the first vehicle in a current driving lane as a final second vehicle set;
And when the first vehicle performs reverse overtaking, taking the front vehicle in the fourth distance from the first vehicle in the current driving lane as a final second vehicle set.
9. The information transmission management method of the internet of vehicles according to claim 8, wherein the calculation formula of the third distance is:
；
wherein, Representing a third distance; representing the safe distance between the front and rear vehicles; Representing an initial distance between the first vehicle and the third vehicle; A first one of the parameters is indicated, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; Representing a running speed of the third vehicle; A second parameter is indicated as such, ，Representing an initial travel speed of the first vehicle; Representing acceleration of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a third vehicle when the first vehicle reaches the overtaking obstacle area; A third parameter is indicated as such, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,。
10. The information transmission management method of the internet of vehicles according to claim 8, wherein the calculation formula of the fourth distance is:
；
wherein, Representing a fourth distance; representing the safe distance between the front and rear vehicles; representing an initial distance between the first vehicle and the fourth vehicle; Representing a first two-parameter value of the first, ，Representing the highest running speed allowed by the current road section; Representing a cut-in speed of the first vehicle; Representing a running speed of the second vehicle; representing a travel speed of the fourth vehicle; A second parameter is indicated which is indicative of a second parameter, ，Representing an initial travel speed of the first vehicle; Representing a first arrival time; Representing a second residence time; representing a distance of the overtaking obstacle area from a current location of the first vehicle; Representing a distance from a fourth vehicle when the first vehicle reaches the overtaking obstacle area; a third parameter is indicated which is a function of the second parameter, ，Representing a travel speed of the first vehicle before reaching the overtaking obstacle area; A fourth parameter is indicated by the fact that, ；A fifth parameter is indicated by the fact that,。
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180047656A (en) * | 2016-11-01 | 2018-05-10 | 현대자동차주식회사 | Blind spot warning device, vehicle having the same and method for controlling the same |
| CN110614999A (en) * | 2019-09-25 | 2019-12-27 | 浙江吉利汽车研究院有限公司 | Automatic lane-changing overtaking control method and system for vehicle |
| CN112562404A (en) * | 2020-11-24 | 2021-03-26 | 中国联合网络通信集团有限公司 | Vehicle early warning method and device, computer equipment and medium |
| CN113353087A (en) * | 2021-07-23 | 2021-09-07 | 上海汽车集团股份有限公司 | Driving assistance method, device and system |
| CN115880945A (en) * | 2022-12-10 | 2023-03-31 | 中国重汽集团济南动力有限公司 | Double-lane overtaking early warning system and method |
| CN117975767A (en) * | 2023-12-22 | 2024-05-03 | 深圳市凯立德科技股份有限公司 | Pedestrian collision early warning method and system based on lane-level map |
-
2024
- 2024-09-03 CN CN202411224294.6A patent/CN118736896A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180047656A (en) * | 2016-11-01 | 2018-05-10 | 현대자동차주식회사 | Blind spot warning device, vehicle having the same and method for controlling the same |
| CN110614999A (en) * | 2019-09-25 | 2019-12-27 | 浙江吉利汽车研究院有限公司 | Automatic lane-changing overtaking control method and system for vehicle |
| CN112562404A (en) * | 2020-11-24 | 2021-03-26 | 中国联合网络通信集团有限公司 | Vehicle early warning method and device, computer equipment and medium |
| CN113353087A (en) * | 2021-07-23 | 2021-09-07 | 上海汽车集团股份有限公司 | Driving assistance method, device and system |
| CN115880945A (en) * | 2022-12-10 | 2023-03-31 | 中国重汽集团济南动力有限公司 | Double-lane overtaking early warning system and method |
| CN117975767A (en) * | 2023-12-22 | 2024-05-03 | 深圳市凯立德科技股份有限公司 | Pedestrian collision early warning method and system based on lane-level map |
Non-Patent Citations (1)
| Title |
|---|
| 李建珊;: "探讨视野盲区对汽车驾驶员安全驾驶的影响", 决策探索(中), no. 06, 18 June 2020 (2020-06-18) * |
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