CN109859529B - Driving optimization system and method for safely passing through highway exit - Google Patents
Driving optimization system and method for safely passing through highway exit Download PDFInfo
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Abstract
The invention discloses a driving optimization system and method for safely passing through an exit of an expressway. The system comprises a single chip microcomputer, a GPRS wireless transmission module, a cloud server I, a data analysis processing module, a cloud server II, a wireless transmission module, a mobile terminal, a Bluetooth module, a vehicle-mounted display screen, a GPS satellite positioning module and an antenna; the singlechip is respectively connected with the GPS satellite positioning module and the GPRS wireless transmission module; the GPS satellite positioning module is connected with the antenna; the first cloud server is respectively connected with the GPRS wireless transmission module, the wireless transmission module and the data analysis processing module; the cloud server II is respectively connected with the data analysis processing module and the wireless transmission module; the mobile terminal is respectively connected with the wireless transmission module and the Bluetooth module; the Bluetooth module is connected with the vehicle-mounted display screen. The system is simple and easy to build, and low in cost. The method is simple and easy to implement, and a driver can use the system in real time in the driving process of the expressway only by registering related information in advance through the mobile terminal.
Description
Technical Field
The invention relates to the field of vehicle networking, in particular to a driving optimization system and method for safely passing through an exit of a highway.
Background
Currently, lanes on expressways in China are mainly divided into freeways (passing lanes), traffic lanes and emergency lanes. On a highway, especially on a freeway, a vehicle runs at a high speed, and when a front vehicle leaves the highway from an exit of the highway, the lane needs to be changed from the freeway to the rightmost lane, and during the period, the collision between the front vehicle and the rear vehicle occurs at times, which is mainly caused by the following reasons: the front vehicle is not prepared in advance, the lane is suddenly changed from the express lane to the rightmost lane when the front vehicle approaches the exit of the expressway, and the vehicle driving on the rear lane is not in time to react; fog, dust and the like caused by sudden weather factors lead the sight of a driver to be blurred, and a rear vehicle cannot timely acquire the lane changing behavior of a front vehicle.
The document with the application number of 201710340212.8 discloses a forced lane changing control method for highway vehicles in an internet of vehicles environment, which is used for acquiring running information of surrounding vehicles through vehicle-to-vehicle communication in the internet of vehicles environment. When a certain vehicle has a forced lane change requirement, the vehicle sends a request to nearby vehicles to acquire the information of the positions, the speeds and the like of other vehicles, analyzes different states of the lane change vehicle and other related vehicles, controls the forced lane change behavior of the lane change vehicle based on the different states of the lane change vehicle and the surrounding vehicles, and realizes the safe and efficient implementation of the forced lane change behavior. However, the method only sends a request to nearby vehicles when the vehicles have a forced lane change requirement, the distance between the vehicles is very close when the vehicles have the forced lane change requirement, the time for changing lanes is not enough, and if the method is used at an exit of an expressway, a driver cannot know the lane change intention of the vehicles driving ahead in advance within a range taking the exit of the expressway as a circle center and a safe distance as a radius, and cannot prepare for speed reduction and avoidance in advance, so that the occurrence of collision accidents is avoided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a driving optimization system and a driving optimization method for safely passing through an exit of an expressway.
The invention provides a driving optimization system capable of safely passing through an exit of a highway, and the driving optimization system is characterized by comprising a singlechip, a GPRS wireless transmission module, a first cloud server, a data analysis processing module, a second cloud server, a wireless transmission module, a mobile terminal, a Bluetooth module, a vehicle-mounted display screen, a GPS satellite positioning module and an antenna, wherein the singlechip is connected with the GPRS wireless transmission module;
the single chip microcomputer is respectively connected with the GPS satellite positioning module and the GPRS wireless transmission module; the GPS satellite positioning module is connected with the antenna; the first cloud server is respectively connected with the GPRS wireless transmission module, the wireless transmission module and the data analysis processing module; the second cloud server is respectively connected with the data analysis processing module and the wireless transmission module; the mobile terminal is respectively connected with the wireless transmission module and the Bluetooth module; the Bluetooth module is connected with the vehicle-mounted display screen.
The invention provides a driving optimization method for safely passing through an exit of an expressway, which solves the technical problem of the method and is characterized by comprising the following steps of:
firstly, before driving begins, a driver sends registration information to a first cloud server through a mobile terminal and a wireless transmission module; the registration information includes driver personal information, vehicle information and highway trip information; the first cloud server sends the registration information to a data analysis processing module; the data analysis processing module analyzes and processes the travel information, performs first grouping according to the highway on which each vehicle runs, divides the vehicles which run the same highway into a group, counts the number of exits from the starting point to the end point of the highway and marks each exit;
secondly, optimizing the driving of the vehicle in the process of running on the highway;
1. the GPS satellite positioning module transmits the real-time position information of the vehicle to the single chip microcomputer, the single chip microcomputer transmits the real-time position information of the vehicle to the first cloud server through the GPRS wireless transmission module, and the first cloud server transmits the real-time position information of the vehicle to the data analysis processing module; the data analysis processing module matches the real-time position information of the vehicle with the vehicle information registered by the same driver to form a real-time position information data set, and updates the position information of each vehicle in real time;
2. defining a certain vehicle A as a central vehicle, acquiring the travel information of the vehicle A, counting the number of highway exits from a starting point to a terminal point of the current highway travel of the vehicle A and marking all the exits; on the basis of the first grouping, all vehicles in the same direction within the range from the current position of the vehicle A to an exit of the vehicle A to drive away from the highway are screened out, the travel information of the vehicles is obtained, and a destination information data set is generated; since the position of each vehicle in the driving process changes in real time, the position information and the destination information of the vehicles in the same direction, which are screened out from the range from the current position of the vehicle A to the exit of the expressway from which the vehicle A is to drive, are updated in real time at the same time;
3. when the vehicle A drives to a position with a certain value away from the exit of the first expressway in the current journey, the data analysis processing module screens out a certain vehicle B which is in the range taking the vehicle A as the center of a circle and taking the safe distance as the radius and is closest to the vehicle A in a straight line distance from the real-time position information data group, and extracts the destination information of the vehicle B from the destination information data group; the fixed value is greater than the safe distance;
if the destination information of the vehicle B is consistent with the first expressway exit in the journey of the vehicle A, generating instruction information for reminding a driver of the vehicle A by a data analysis processing module, and sending the instruction information to a second cloud server, and sending the instruction information to the mobile terminal of the vehicle A by the second cloud server through a wireless transmission module; the mobile terminal sends out voice prompt, and simultaneously displays the instruction information on the vehicle-mounted display screen through the Bluetooth module to prompt a driver of the vehicle A to pay attention to the fact that the vehicle B in front has a lane changing intention of driving away from the highway from the current highway exit, and timely makes preparations for speed reduction and avoidance;
if the destination information of the vehicle B is inconsistent with the first expressway exit in the journey of the vehicle A, the data analysis processing module does not generate instruction information for sending a prompt to a driver of the vehicle A, and the vehicle A does not need to make preparations for speed reduction and avoidance;
4. repeating the step 3 until the vehicle A drives the previous expressway exit of the destination exit of the expressway journey;
and step three, when the vehicle A drives to the destination of the current highway journey, safely driving away from the highway from the exit.
Compared with the prior art, the invention has the beneficial effects that:
(1) The system is efficient and accurate. The driving on the expressway is a dynamic process, and the position information of all vehicles is updated in real time, so that the accuracy of the system in screening the vehicles and extracting relevant information is greatly improved.
(2) The method and the system have strong applicability. When the vehicle runs in the daytime, the front equidirectional running vehicle needs to change lanes to run out of the expressway junction and forgets to turn on the turn lights, the turn lights of the front equidirectional running vehicle are occasionally damaged at night, and the weather factors with greatly reduced visibility such as sand dust or fog can be used normally without any influence, so that the influence of severe conditions on the driving safety is avoided.
(3) The system is simple and easy to build, and low in cost.
(4) The method is simple and easy to implement. The driver can use the system in real time in the driving process of the expressway only by registering related information in advance through the mobile terminal. When the vehicle approaches to an exit of a certain highway, the system is used for acquiring the reminding information of whether the same-direction vehicle needs to drive away from the highway and change lanes, so that sufficient response time is obtained, preparation for speed reduction and avoidance is made in advance, collision accidents are avoided, and safe driving is realized.
(5) The instruction information is simultaneously displayed by the voice prompt of the mobile terminal and the vehicle-mounted display screen, so that the driver is prevented from distracting by looking over the instruction information and unsafe driving is avoided.
Drawings
FIG. 1 is a block diagram of a system architecture of one embodiment of the present invention;
( In the figure: 1. a single chip microcomputer; 2. a GPRS wireless transmission module; 3. a first cloud server; 4. a data analysis processing module; 5. a second cloud server; 6. a wireless transmission module; 7. a mobile terminal; 8. a Bluetooth module; 9. a vehicle-mounted display screen; 10. a GPS satellite positioning module; 11. antenna with a shield )
Detailed Description
Specific examples of the present invention are given below. The specific examples are only intended to illustrate the invention in further detail and do not limit the scope of protection of the claims of the present application.
The invention provides a driving optimization system (see figure 1, the system is short for short) safely passing through an exit of a highway, which is characterized by comprising a singlechip 1, a GPRS wireless transmission module 2, a cloud server I3, a data analysis processing module 4, a cloud server II 5, a wireless transmission module 6, a mobile terminal 7, a Bluetooth module 8, a vehicle-mounted display screen 9, a GPS satellite positioning module 10 and an antenna 11;
the single chip microcomputer 1 is respectively connected with a GPS satellite positioning module 10 and a GPRS wireless transmission module 2; the GPS satellite positioning module 10 is connected with an antenna 11; the cloud server I3 is respectively connected with the GPRS wireless transmission module 2, the wireless transmission module 6 and the data analysis processing module 4; the second cloud server 5 is respectively connected with the data analysis processing module 4 and the wireless transmission module 6; the mobile terminal 7 is respectively connected with the wireless transmission module 6 and the Bluetooth module 8; the Bluetooth module 8 is connected with the vehicle-mounted display screen 9.
The specific process is as follows: the GPS satellite positioning module 10 receives a satellite signal for real-time positioning of the vehicle through an antenna 11, records real-time position information of the vehicle, and sends the real-time position information of the vehicle to the single chip microcomputer 1; the single chip microcomputer 1 transmits the vehicle position information data sent by the GPS satellite positioning module 10 to the first cloud server 3 through the GPRS wireless transmission module 2. The cloud server I3 receives the vehicle real-time position information sent by the single chip microcomputer 1 through the GPRS wireless transmission module 2 and the registration information sent by the mobile terminal 7 through the wireless transmission module 6, and then sends the position information and the registration information to the data analysis processing module 4; after the data analysis processing module 4 carries out analysis processing and operation judgment on the position information and the registration information, instruction information used for reminding a driver is generated and sent to the second cloud server 5; the second server 5 sends the instruction information to the mobile terminal 7 through the wireless transmission module 6; the mobile terminal 7 informs the driver of the instruction information in a voice reminding mode, and meanwhile, the instruction information received by the mobile terminal 7 is transmitted to the vehicle-mounted display screen 9 through the Bluetooth module 8 to be displayed.
The model of the single chip microcomputer 1 is STM32F103CBT6;
the type of the GPRS wireless transmission module 2 is USR-GPRS232-7S2; the GPRS wireless transmission module 2 is used for transmitting information between the single chip microcomputer 1 and the cloud server I3 through a GPRS network.
The models of the first cloud server 3 and the second cloud server 5 are 2288H V2;
the data analysis processing module 4 adopts an upper computer (a computer, a computer and the like) provided with LabVIEW software. And analyzing, processing, calculating and judging the information data sent by the cloud server I3 through LabVIEW software, generating instruction information for reminding a driver, and sending the instruction information to the cloud server II 5.
The wireless transmission module 6 is used for transmitting information between the mobile terminal 7 and the cloud server I3 and the server II 5 through a WIFI network, a 5G network, a 4G network or a 3G network; the model of the wireless transmission module 6 is WSN-52-TTL, and the transmission mode is a WIFI network, a 5G network, a 4G network or a 3G network.
And the mobile terminal 7 adopts a smart phone, a tablet personal computer or a notebook computer which is provided with an APP capable of sending data to the cloud server I3.
The model of the Bluetooth module 8 is DX-BT18.
The model of the GPS satellite positioning module 10 is VK2828U8G5LF;
the invention also provides a driving optimization method (short for method) for safely passing through an exit of a highway, which is characterized by comprising the following steps:
step one, before driving begins, a driver sends registration information to a cloud server I3 through an APP installed in a mobile terminal 7 through a wireless transmission module 6; the registration information includes driver personal information (privacy protection can be performed), vehicle information and highway trip information (trip information for short); the first cloud server 3 sends the registration information to the data analysis processing module 4; the data analysis processing module 4 analyzes and processes the travel information, performs first grouping according to the highway on which each vehicle runs, divides the vehicles which run on the highway into a group, counts the number of exits from the starting point to the end point of the highway and marks each exit; subsequent analysis and processing are carried out on the basis of the first grouping, namely, the analysis and processing are carried out on the vehicles running on the same expressway on the basis of the first grouping;
the personal information of the driver comprises a driver name, a mobile phone number, a driver license number and the like; the vehicle information comprises a vehicle type, a color, a license plate number, a vehicle photo and the like; the trip information includes a highway name, a starting point name and a destination name;
secondly, optimizing the driving of the vehicle in the process of running on the highway;
1. the GPS satellite positioning module 10 in the vehicle transmits the real-time position information of the vehicle to the single chip microcomputer 1 in the vehicle, the single chip microcomputer 1 transmits the real-time position information of the vehicle to the cloud server I3 through the GPRS wireless transmission module 2 in the vehicle, and the cloud server I3 transmits the real-time position information of the vehicle to the data analysis processing module 4; the data analysis processing module 4 matches the real-time position information of the vehicle with the registered vehicle information of the same driver, packs and stores the information to obtain a real-time position information data set, and updates the position information of each vehicle in real time;
2. defining a certain vehicle A as a central vehicle, acquiring the travel information of the vehicle A, counting the number N of highway exits from a starting point to a terminal point of the highway travel of the vehicle A at the current time, and marking all the exits; on the basis of the first grouping, all vehicles in the same direction within the range from the current position of the vehicle A to an exit of the vehicle A to drive away from the highway are screened out, the travel information of the vehicles is obtained, and a destination information data set is generated; since the position of each vehicle in the driving process changes in real time, the position information and the destination information of the vehicles in the same direction, which are screened out from the range from the current position of the vehicle A to the exit of the expressway from which the vehicle A is to drive, are updated in real time at the same time;
3. when the vehicle a travels to a position away from the exit of the first (N = 1) expressway in the current trip by a certain value (the certain value is greater than the safety distance, in this embodiment, 3 km), the data analysis processing module 4 screens out a certain vehicle B which is within a range taking the vehicle a as the center of a circle and the safety distance (in this embodiment, 1 km or less) as the radius and is closest to the vehicle a in a straight line distance from the vehicle a in the real-time position information data group, and extracts the destination information of the vehicle B in the destination information data group;
if the destination information of the vehicle B is consistent with the first expressway exit in the journey of the vehicle A, the data analysis processing module 4 generates instruction information for reminding a driver of the vehicle A, the instruction information is sent to the cloud server II 5, and the cloud server II 5 sends the instruction information to the mobile terminal 7 of the vehicle A through the wireless transmission module 6; the mobile terminal 7 sends out voice prompt, and simultaneously displays the instruction information on the vehicle-mounted display screen 9 through the Bluetooth module 8, so as to prompt a driver of the vehicle A to pay attention to the fact that the vehicle B in front has a lane change intention of driving away from the highway from the current highway exit, timely make preparations for speed reduction and avoidance, and safely drive through the exit;
if the destination information of the vehicle B is inconsistent with the first highway exit in the journey of the vehicle A, the data analysis processing module 4 does not generate instruction information for reminding a driver of the vehicle A, and the vehicle A safely passes through the exit without preparing for speed reduction and avoidance;
4. repeating the step 3 until the vehicle A drives the previous expressway exit of the destination exit of the expressway journey;
and step three, when the vehicle A drives to the destination of the current highway journey, safely driving away from the highway from the exit.
Nothing in this specification is said to apply to the prior art.
Claims (9)
1. A driving optimization system capable of safely passing through an exit of a highway is characterized by comprising a single chip microcomputer, a GPRS wireless transmission module, a cloud server I, a data analysis processing module, a cloud server II, a wireless transmission module, a mobile terminal, a Bluetooth module, a vehicle-mounted display screen, a GPS satellite positioning module and an antenna;
the single chip microcomputer is respectively connected with the GPS satellite positioning module and the GPRS wireless transmission module; the GPS satellite positioning module is connected with the antenna; the first cloud server is respectively connected with the GPRS wireless transmission module, the wireless transmission module and the data analysis processing module; the second cloud server is respectively connected with the data analysis processing module and the wireless transmission module; the mobile terminal is respectively connected with the wireless transmission module and the Bluetooth module; the Bluetooth module is connected with the vehicle-mounted display screen;
the driving optimization method for safely passing through the exit of the expressway based on the driving optimization system is characterized by comprising the following steps of:
firstly, before driving begins, a driver sends registration information to a first cloud server through a mobile terminal and a wireless transmission module; the registration information includes driver personal information, vehicle information and highway trip information; the first cloud server sends the registration information to a data analysis processing module; the data analysis processing module analyzes and processes the travel information, carries out first grouping according to the highway on which each vehicle runs, divides the vehicles running on the highway into a group, counts the number of exits from the starting point to the end point of the highway and marks each exit;
secondly, optimizing the driving of the vehicle in the process of running on the highway;
1. the GPS satellite positioning module transmits the real-time position information of the vehicle to the single chip microcomputer, the single chip microcomputer transmits the real-time position information of the vehicle to the first cloud server through the GPRS wireless transmission module, and the first cloud server transmits the real-time position information of the vehicle to the data analysis processing module; the data analysis processing module matches the real-time position information of the vehicle with the vehicle information registered by the same driver to form a real-time position information data set, and updates the position information of each vehicle in real time;
2. defining a certain vehicle A as a central vehicle, acquiring the travel information of the vehicle A, counting the number of highway exits from a starting point to a terminal point of the current highway travel of the vehicle A and marking all the exits; on the basis of the first grouping, all vehicles in the same direction in the range from the current position of the vehicle A to an exit of the vehicle A to drive away from the highway are screened out, the travel information of the vehicles is obtained, and a destination information data set is generated; since the position of each vehicle in the driving process changes in real time, the position information and the destination information of the vehicles in the same direction, which are screened out from the range from the current position of the vehicle A to the exit of the expressway from which the vehicle A is to drive, are updated in real time at the same time;
3. when the vehicle A drives to a position with a certain value away from the exit of the first expressway in the current journey, the data analysis processing module screens out a certain vehicle B which is in the range taking the vehicle A as the center of a circle and taking the safe distance as the radius and is closest to the vehicle A in a straight line distance from the real-time position information data group, and extracts the destination information of the vehicle B from the destination information data group; the fixed value is greater than the safe distance;
if the destination information of the vehicle B is consistent with the first expressway exit in the journey of the vehicle A, generating instruction information for reminding a driver of the vehicle A by a data analysis processing module, and sending the instruction information to a second cloud server, and sending the instruction information to the mobile terminal of the vehicle A by the second cloud server through a wireless transmission module; the mobile terminal sends out voice prompt, and simultaneously displays the instruction information on a vehicle-mounted display screen through a Bluetooth module, so as to prompt a driver of a vehicle A to pay attention to the fact that a vehicle B in front has a lane change intention of driving away from the highway from a current highway exit, and timely make preparations for speed reduction and avoidance;
if the destination information of the vehicle B is inconsistent with the first expressway exit in the journey of the vehicle A, the data analysis processing module does not generate instruction information for reminding a driver of the vehicle A, and the vehicle A does not need to make preparations for speed reduction and avoidance;
4. repeating the step 3 until the vehicle A drives the previous expressway exit of the destination exit of the expressway journey;
and step three, when the vehicle A drives to the destination of the current highway journey, safely driving away from the highway from the exit.
2. The system for optimizing driving safely through an exit of a highway according to claim 1 wherein the model of the single chip microcomputer is STM32F103CBT6.
3. The system for optimizing driving safely through an exit of a highway according to claim 1, wherein the model of the GPRS wireless transmission module is USR-GPRS232-7S2; the model of the wireless transmission module is WSN-52-TTL, and the transmission mode is a WIFI network, a 5G network, a 4G network or a 3G network.
4. The system for optimizing driving through a highway exit according to claim 1, wherein the first cloud server and the second cloud server are each model 2288H V2.
5. The system for optimizing driving safely through an exit of a highway according to claim 1, wherein the data analysis processing module adopts an upper computer provided with LabVIEW software.
6. The system for driving optimization through an exit of a highway safely as claimed in claim 1, wherein the mobile terminal is a smart phone, a tablet computer or a notebook computer installed with an APP capable of sending data to the cloud server.
7. The system for optimizing driving via a highway exit safely of claim 1 wherein the bluetooth module is of type DX-BT18; the model of the GPS satellite positioning module is VK2828U8G5LF.
8. The system for optimizing driving via a highway exit according to claim 1, wherein in the first step, privacy protection is performed on personal information of the driver.
9. The system for optimizing driving safely through an exit of a highway according to claim 1, wherein the driver personal information includes a driver name, a mobile phone number, and a driver license number; the vehicle information comprises a vehicle type, a color, a license plate number and a vehicle photo; the trip information includes a highway name, a start point name, and a destination name.
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| CN110503845B (en) * | 2019-08-23 | 2021-08-24 | 河北工业大学 | Safety cone with remote early warning function and early warning method of safety cone |
| CN110910675A (en) * | 2019-11-21 | 2020-03-24 | 绍兴精锐自动化科技有限公司 | Expressway active induction system based on Internet of things |
| CN112116823B (en) * | 2020-09-24 | 2022-04-19 | 盾构及掘进技术国家重点实验室 | Tunnel long-distance trackless transportation intelligent vehicle avoidance system based on Bluetooth positioning |
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