CN113223314A - Vehicle guiding method based on V2X and vehicle-mounted system - Google Patents
Vehicle guiding method based on V2X and vehicle-mounted system Download PDFInfo
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- CN113223314A CN113223314A CN202110308724.2A CN202110308724A CN113223314A CN 113223314 A CN113223314 A CN 113223314A CN 202110308724 A CN202110308724 A CN 202110308724A CN 113223314 A CN113223314 A CN 113223314A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
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- 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]
Abstract
The application relates to a vehicle guiding method and a vehicle-mounted system based on V2X, which are applied to the vehicle-mounted system provided with a V2X module, wherein the method comprises the following steps: receiving a real-time data packet broadcasted by external equipment, and extracting road condition data of the real-time data packet; judging whether a special road section exists in the road section in front of the current vehicle according to the road condition data; if so, early warning is carried out on the current vehicle and the current vehicle is guided to avoid the special road section; otherwise, no processing is performed. The beneficial effect of this application is: according to the method and the device, the road condition data of the front road section is acquired through the V2X module, so that the current vehicle runs according to the road condition data, the current vehicle is prevented from running into the special road section, and the road passing efficiency is improved.
Description
Technical Field
The application relates to the technical field of automotive electronics, in particular to a vehicle emergency call system fusing a v2x technology.
Background
V2X, namely Vehicle-to-event, is one of support technologies for intelligent transportation, and V2X includes various application communication application scenarios such as Vehicle-to-Vehicle V2V, Vehicle-to-infrastructure V2I, Vehicle-to-pedestrian V2P, Vehicle-to-external network V2N, but lacks an emergency application scenario.
With the rapid increase of the number of motor vehicles caused by the economic development of cities, road traffic accidents happen occasionally, once the traffic accidents happen, the traffic jam is caused, and the traffic paralysis can be caused for a period of time in serious cases. When the traffic is congested, a driver cannot acquire road condition data of a road section ahead in advance, the traffic congestion not only affects the mood of the driver, but also prevents passengers in a certain driving time from reaching a destination within a preset time, and therefore certain economic loss is caused.
Disclosure of Invention
In order to solve the problem that a driver cannot acquire road condition data of a road section ahead in advance during traffic jam in the prior art, the application provides a vehicle guiding method based on V2X, which is applied to a vehicle-mounted system provided with a V2X module, and the method comprises the following steps:
receiving a real-time data packet broadcasted by external equipment, and extracting road condition data of the real-time data packet;
judging whether a special road section exists in the road section in front of the current vehicle according to the road condition data;
if so, early warning is carried out on the current vehicle and the current vehicle is guided to avoid the special road section;
otherwise, no processing is performed.
Optionally, the external device is a drive test unit or a V2X service server or a remote vehicle provided with a V2X module.
Optionally, the V2X service server comprises a data transceiver module, a lane planning module,
the data transceiver module acquires vehicle information on each lane of each intersection and sends the vehicle information to the lane planning module;
and the lane planning module processes according to the vehicle information to generate a real-time data packet and forwards the real-time data packet to the current vehicle or a road test unit or a remote vehicle through a data transceiver module.
Optionally, the receiving a real-time data packet broadcasted by an external device and extracting road condition data of the real-time data packet includes:
and receiving and identifying the real-time data packet through the V2X module, and analyzing the real-time data packet into road condition data.
Optionally, the determining whether a special road section exists in a road section ahead of the current vehicle according to the road condition data includes:
and judging whether the road in front of the road condition data is one or more of an accident road, a rescue road, a public traffic road and a special traffic road, if so, judging that the current road section in front of the vehicle has the special road section.
Optionally, the early warning of the current vehicle includes:
and informing the driver through a display system or a voice system of the vehicle-mounted system.
Optionally, the guiding the current vehicle to avoid the special road segment includes:
judging whether the current vehicle is on a special lane of the special road section;
and if so, guiding the current driving away from the current lane, otherwise, reminding the driver to avoid entering the special lane where the special road section is located.
Optionally, the reminding the driver to avoid entering the special lane where the special road segment is located includes:
pre-judging the driving intention of the current vehicle according to the driving data of the current vehicle;
and if the driving intention is to drive to the special lane, warning that the driver cannot drive to the road section.
Optionally, the driving data comprises one or more of turn light data, steering wheel data, and vehicle-mounted gyroscope data.
In addition, the application also discloses an on-board system, which comprises a memory, a processor and a vehicle guiding program of the on-board system stored on the memory and capable of running on the processor, wherein the on-board system realizes the steps of the V2X-based vehicle guiding method when being executed by the processor.
Compared with the prior art, the beneficial effects of this application are: according to the method and the device, the road condition data of the front road section is acquired through the V2X module, so that the current vehicle runs according to the road condition data, the current vehicle is prevented from running into the special road section, and the road passing efficiency is improved.
Drawings
Fig. 1 is a flow chart of a method of an embodiment of the present application.
FIG. 2 is a timing diagram of firmware flashing according to a method of an embodiment of the present application.
FIG. 3 is a timing diagram of firmware transmission according to an embodiment of the present invention.
Detailed Description
The present application will be further described with reference to the following detailed description.
The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, if any, are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the present application and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, the application provides a vehicle guiding method based on V2X, which is applied to a vehicle-mounted system provided with a V2X module, and the method comprises the following steps:
100, receiving a real-time data packet broadcasted by an external device, and extracting road condition data of the real-time data packet; in step 100, receiving a real-time data packet broadcasted by an external device, and extracting road condition data of the real-time data packet, including: and receiving and identifying the real-time data packet through the V2X module, and resolving the real-time data packet into road condition data.
200, judging whether a special road section exists in the road section in front of the current vehicle according to the road condition data; in step 200, according to the traffic data, determining whether a special road section exists in the road section ahead of the current vehicle includes: and judging whether the road in front of the road condition data is one or more of an accident road, a rescue road, a public traffic road and a special traffic road, if so, judging that the current road section in front of the vehicle has the special road section.
300, if yes, early warning is carried out on the current vehicle and the current vehicle is guided to avoid a special road section; in step 300, the pre-warning of the current vehicle includes: and informing the driver through a display system or a voice system of the vehicle-mounted system. Guiding a current vehicle to avoid a special road section, comprising: judging whether the current vehicle is on a special lane of a special road section; and if so, guiding the current driving away from the current lane, otherwise, reminding the driver to avoid entering the special lane where the special road section is located.
And 400, otherwise, not processing.
According to the method and the device, the road condition data of the front road section is acquired through the V2X module, so that the current vehicle runs according to the road condition data, the current vehicle is prevented from running into the special road section, and the road passing efficiency is improved.
In some embodiments, the external device is a drive test unit or a V2X service server or a remote car provided with a V2X module. The V2X service server comprises a data transceiver module and a lane planning module, wherein the data transceiver module acquires vehicle information on each lane of each intersection and sends the vehicle information to the lane planning module; and the lane planning module processes according to the vehicle information to generate a real-time data packet and forwards the real-time data packet to the current vehicle or a drive test unit or a remote vehicle through the data transceiver module. In this embodiment, the drive test unit may also serve as a V2X service server, that is, the drive test unit may be provided with a data transceiver module and a lane planning module, and configured to collect road condition data of a road and forward the road condition data to a nearby main vehicle or a nearby remote vehicle. Through the V2X communication protocol, the road condition around the vehicle can be acquired more quickly.
In some embodiments, receiving a real-time data packet broadcasted by an external device and extracting road condition data of the real-time data packet includes: and receiving and identifying the real-time data packet through the V2X module, and resolving the real-time data packet into road condition data. In this embodiment, the vehicle-mounted system is further provided with a data processing module, and after receiving the real-time data packet, the vehicle-mounted system analyzes the real-time data packet into road condition data through the data processing module.
In some embodiments, determining whether there is a special road section in the road section ahead of the current vehicle according to the road condition data includes: and judging whether the road in front of the road condition data is one or more of an accident road, a rescue road, a public traffic road and a special traffic road, if so, judging that the current road section in front of the vehicle has the special road section. In this embodiment, the road condition data includes an event existing on a road section ahead, where the event is any one of an accident road, a rescue road, a public transportation road, a special transportation road, and an air event; and judging whether the event field of the road condition data is an accident road, a rescue road, a public traffic road and a special traffic road, and further judging that the front road section is the special road section.
In some embodiments, pre-warning the current vehicle includes: and informing the driver through a display system or a voice system of the vehicle-mounted system. The vehicle-mounted system analyzes the real-time data packet into road condition data through the data processing module, and the road condition data is displayed through a display system of the vehicle-mounted system or is subjected to voice broadcast through a voice system.
In some embodiments, directing the current vehicle to avoid the special road segment includes: judging whether the current vehicle is on a special lane of a special road section; and if so, guiding the current driving away from the current lane, otherwise, reminding the driver to avoid entering the special lane where the special road section is located. Judging whether the current vehicle is on a special lane or not by combining the road condition data with the lane where the current vehicle is located; thereby guiding the current vehicle to travel. Specifically, reminding the driver to avoid entering a special lane where a special road section is located includes: pre-judging the driving intention of the current vehicle according to the driving data of the current vehicle; and if the driving intention is to drive to a special lane, warning that the driver cannot drive to the road section. Specifically, when the vehicle-mounted system receives the roadside unit or the V2X service server data, the special lane information is extracted from the data information. When the special lane information exists, the driving intention is judged in advance according to the data information of the vehicle. And if the driving intention is not consistent with the lane steering behavior, warning that the driver cannot drive into the road section. If the driving intention is consistent with the lane steering behavior, judging whether the vehicle can drive into the road section according to other information of the lane and the current vehicle driving information; and if the time left by the tidal lane is insufficient to drive into the road section under the current vehicle driving state, warning that the driver cannot drive into the road section. The driving data includes one or more of steering lamp data, steering wheel data, and vehicle-mounted gyroscope data. The method and the device judge the steering intention of the current vehicle through the driving data.
In some embodiments, referring to fig. 2-3, EVs 1, EV2 are vehicles carrying communication systems, NV1, NV2, NV3 are ordinary vehicles not carrying communication systems, EVs 3, EV4, EV5 are current vehicles; when the current road far car collides, the road side unit broadcasts the information of the collision area of the first far car EV2 and the second far car EV1 and the information of other cars outwards in a broadcasting mode, the current car mentions that an emergent traffic accident happens in the front from the received broadcast information, calculation and judgment are carried out according to the area position information of the traffic accident and the current road information, other lanes of the current road can smoothly pass through the accident area, and the pre-judgment guide module of the current car can remind a driver to switch to an adjacent lane in advance. Referring to fig. 3, when all lanes of the current road are found to be congested, the predictive guidance module of the current vehicle will prompt the driver to change the driving road in advance.
In addition, the application also discloses an on-board system, which comprises a memory, a processor and a vehicle guiding program of the on-board system, wherein the vehicle guiding program is stored on the memory and can run on the processor, and the on-board system realizes the steps of the V2X-based vehicle guiding method when being executed by the processor. According to the method and the device, the road condition data of the front road section is acquired through the V2X module, so that the current vehicle runs according to the road condition data, the current vehicle is prevented from running into the special road section, and the road passing efficiency is improved.
It should be understood that the above examples of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (10)
1. A vehicle guiding method based on V2X is characterized by being applied to an on-board system provided with a V2X module, and the method comprises the following steps:
receiving a real-time data packet broadcasted by external equipment, and extracting road condition data of the real-time data packet;
judging whether a special road section exists in the road section in front of the current vehicle according to the road condition data;
if so, early warning is carried out on the current vehicle and the current vehicle is guided to avoid the special road section;
otherwise, no processing is performed.
2. The V2X-based vehicle guiding method according to claim 1, wherein the external device is a drive test unit or a V2X service server or a remote vehicle provided with a V2X module.
3. The V2X-based vehicle guidance method according to claim 1, wherein the V2X service server includes a data transceiver module, a lane planning module,
the data transceiver module acquires vehicle information on each lane of each intersection and sends the vehicle information to the lane planning module;
and the lane planning module processes according to the vehicle information to generate a real-time data packet and forwards the real-time data packet to the current vehicle or a road test unit or a remote vehicle through a data transceiver module.
4. The V2X-based vehicle guiding method according to claim 1, wherein the receiving a real-time data packet broadcast by an external device and extracting road condition data of the real-time data packet comprises:
and receiving and identifying the real-time data packet through the V2X module, and analyzing the real-time data packet into road condition data.
5. The V2X-based vehicle guiding method according to claim 1, wherein the determining whether there is a special section in the section ahead of the current vehicle according to the road condition data comprises:
and judging whether the road in front of the road condition data is one or more of an accident road, a rescue road, a public traffic road and a special traffic road, if so, judging that the current road section in front of the vehicle has the special road section.
6. The V2X-based vehicle guidance method according to claim 1, wherein the pre-warning of the current vehicle comprises:
and informing the driver through a display system or a voice system of the vehicle-mounted system.
7. The V2X-based vehicle guiding method according to claim 1, wherein the guiding the current vehicle to avoid the special road segment includes:
judging whether the current vehicle is on a special lane of the special road section;
and if so, guiding the current driving away from the current lane, otherwise, reminding the driver to avoid entering the special lane where the special road section is located.
8. The V2X-based vehicle guiding method according to claim 7, wherein the reminding a driver to avoid entering a special lane where a special road segment is located comprises:
pre-judging the driving intention of the current vehicle according to the driving data of the current vehicle;
and if the driving intention is to drive to the special lane, warning that the driver cannot drive to the road section.
9. The V2X-based vehicle guidance method according to claim 8, wherein the driving data includes one or more of turn signal data, steering wheel data, and vehicle-mounted gyroscope data.
10. An in-vehicle system, characterized in that the in-vehicle system comprises a memory, a processor and a vehicle guidance program of the in-vehicle system stored on the memory and operable on the processor, and the in-vehicle system realizes the steps of a V2X-based vehicle guidance method according to any one of claims 1-9 when executed by the processor.
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| CN202110308724.2A CN113223314A (en) | 2021-03-23 | 2021-03-23 | Vehicle guiding method based on V2X and vehicle-mounted system |
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| CN202110308724.2A CN113223314A (en) | 2021-03-23 | 2021-03-23 | Vehicle guiding method based on V2X and vehicle-mounted system |
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Application publication date: 20210806 |