CN110702127A - Vehicle driving track detection system and method - Google Patents
Vehicle driving track detection system and method Download PDFInfo
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- CN110702127A CN110702127A CN201810750542.9A CN201810750542A CN110702127A CN 110702127 A CN110702127 A CN 110702127A CN 201810750542 A CN201810750542 A CN 201810750542A CN 110702127 A CN110702127 A CN 110702127A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
- G01C21/343—Calculating itineraries, i.e. routes leading from a starting point to a series of categorical destinations using a global route restraint, round trips, touristic trips
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3492—Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
Abstract
The invention relates to a vehicle driving track detection system which comprises a server side and a mobile side, wherein the server side is in communication connection with the mobile side. The server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module. The driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module. The mobile terminal comprises a motion sensor module and a driving information display page. The invention also discloses a vehicle driving track detection method, which comprises the processes of uploading vehicle motion state parameters by the mobile terminal, detecting and analyzing the uploaded parameters by the server terminal to form driving track information and driving behavior information, displaying data information by the mobile terminal and the like. The invention adopts the vehicle-mounted mobile equipment to collect and upload the real-time running parameters of the vehicle and combines the driving track detection module trained by the system to calculate the driving track of the vehicle, and has the characteristic of high detection precision.
Description
Technical Field
The invention relates to a vehicle driving track detection system and method, in particular to an improved vehicle driving track detection system and method, and belongs to the field of vehicle detection.
Background
The method has the defects that ⑴ GPS sampling rate is 1 Hz/second, namely one data point is collected every second, the method can judge sharp turns and sharp brakes but cannot capture the driving track appearing in one or two seconds, ⑵ the existing products at present can only judge the sharp turns and the sharp brakes, and have no detection function on certain specific tracks, such as lane changing, overtaking, interweaving, car following and other driving tracks.
Disclosure of Invention
The invention discloses a vehicle driving track detection system and a vehicle driving track detection method, which are used for calculating the driving track of a vehicle by adopting a vehicle-mounted mobile device to acquire and upload real-time driving parameters of the vehicle and combining with a driving track detection model (module) trained by the system, and solve the problem of low detection accuracy of the existing scheme.
The vehicle driving track detection system comprises a server side and a mobile side, wherein the server side is in communication connection with the mobile side. The server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, wherein the driving information database is used for storing and managing vehicle driving information, the driving track information database is used for storing and managing driving track information, the driving track detection module is used for detecting the driving track information of the vehicle, the driving track analysis module is used for analyzing and evaluating the driving track information, and the driving information display module is used for processing and displaying the driving information. The driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, wherein the turning detection module is used for detecting turning driving track information, the lane change detection module is used for detecting lane change driving track information, and the acceleration and deceleration detection module is used for detecting acceleration and deceleration driving track information. The mobile terminal comprises a motion sensor module and a driving information display page, the motion sensor module is used for collecting and uploading driving information, and the driving information display page is used for displaying driving track information.
Furthermore, the driving track detection module of this scheme still includes overtaking detection module, interweaves detection module, follows car detection module, and overtaking detection module is used for detecting overtaking driving track information, and interweaving detection module is used for detecting interweaving driving track information, follows car detection module and is used for detecting with car driving track information.
Furthermore, the mobile terminal of the scheme further comprises a GPS module, and the GPS module is used for collecting and uploading vehicle positioning information.
Further, the motion sensor module of this scheme includes acceleration sensor, gyroscope, compass, and acceleration sensor, gyroscope, compass are used for gathering the driving parameter information of vehicle.
The invention also discloses a vehicle driving track detection method, which is based on a vehicle driving track detection system, the vehicle driving track detection system comprises a server and a mobile terminal, the server is in communication connection with the mobile terminal, the server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, the driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, and the mobile terminal comprises a motion sensor module and a driving information display page. The method comprises the following steps: the user logs in the system, the system carries out parameter initialization, the motion sensor module acquires vehicle running parameter information and uploads the vehicle running parameter information to be stored in a running information database, the turning detection module, the lane change detection module and the acceleration and deceleration detection module take data in the running information database to detect, turning driving track information, lane change driving track information and acceleration and deceleration driving track information are output and stored in a driving track information database, the driving track analysis module takes information in the driving track information database to carry out comprehensive analysis and evaluation to form driving behavior information, and the driving information display module processes the driving behavior information and sends the driving behavior information to a driving information display page to display.
Furthermore, the driving track detection module of the scheme also comprises an overtaking detection module, an interweaving detection module and a car following detection module, wherein the overtaking detection module and the interweaving detection module calculate the lane changing overtaking and interweaving driving track information of the vehicle according to the lane changing driving track information, the time sequence of lane changing and the lane changing matching speed/acceleration information, and the car following detection module calculates the car following driving track information according to the acceleration and deceleration driving track information and the acceleration and deceleration intensity/opportunity.
Furthermore, the mobile terminal of the method also comprises a GPS module, the GPS module collects the positioning information of the vehicle and uploads the positioning information to the driving information database, and the driving track detection module carries out fusion calculation on the vehicle driving parameter information uploaded by the motion sensor module and the vehicle positioning information uploaded by the GPS module to obtain the vehicle driving information and stores the vehicle driving information in the driving track information database.
The vehicle driving track detection system and method provided by the invention adopt the vehicle-mounted mobile equipment to acquire and upload the real-time driving parameters of the vehicle and combine with the driving track detection model (module) trained by the system to calculate the driving track of the vehicle, and have the characteristic of high detection precision.
Drawings
Fig. 1 is a flow chart diagram of a vehicle driving trajectory detection method.
Fig. 2 is a block diagram of a vehicle driving trajectory detection system.
Detailed Description
The vehicle driving track detection system comprises a server side and a mobile side, wherein the server side is in communication connection with the mobile side. The server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, wherein the driving information database is used for storing and managing vehicle driving information, the driving track information database is used for storing and managing driving track information, the driving track detection module is used for detecting the driving track information of the vehicle, the driving track analysis module is used for analyzing and evaluating the driving track information, and the driving information display module is used for processing and displaying the driving information. The driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, wherein the turning detection module is used for detecting turning driving track information, the lane change detection module is used for detecting lane change driving track information, and the acceleration and deceleration detection module is used for detecting acceleration and deceleration driving track information. The mobile terminal comprises a motion sensor module and a driving information display page, the motion sensor module is used for collecting and uploading driving information, and the driving information display page is used for displaying driving track information. According to the scheme, the vehicle-mounted mobile equipment is used for collecting and uploading real-time running parameters of the vehicle and the driving track detection module of the system training is used for calculating the driving track of the vehicle, the dependence of the system on the GPS is reduced, and the detection accuracy is effectively improved.
In order to further improve the detection precision of the driving track, the driving track detection module of the scheme further comprises an overtaking detection module, an interweaving detection module and a car following detection module, wherein the overtaking detection module is used for detecting overtaking driving track information, the interweaving detection module is used for detecting interweaving driving track information, and the car following detection module is used for detecting car following driving track information. The overtaking driving track, the interweaving driving track and the following driving track improve the detection precision of the whole driving track. This scheme can also adopt the perfect basic data of the mode that combines together with GPS, specifically the removal end of this scheme still includes the GPS module, and the GPS module is used for gathering, uploads vehicle locating information, and through the vehicle motion parameter information integration of uploading with the motion sensor module of removing the end, perfect calculation driving orbit. In order to realize the collection of the vehicle motion parameters, the motion sensor module of the scheme comprises an acceleration sensor, a gyroscope and a compass, wherein the acceleration sensor, the gyroscope and the compass are used for collecting the driving parameter information of the vehicle.
The invention also discloses a vehicle driving track detection method, which is based on a vehicle driving track detection system, the vehicle driving track detection system comprises a server and a mobile terminal, the server is in communication connection with the mobile terminal, the server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, the driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, and the mobile terminal comprises a motion sensor module and a driving information display page. The method comprises the following steps: the user logs in the system, the system carries out parameter initialization, the motion sensor module acquires vehicle running parameter information and uploads the vehicle running parameter information to be stored in a running information database, the turning detection module, the lane change detection module and the acceleration and deceleration detection module take data in the running information database to detect, turning driving track information, lane change driving track information and acceleration and deceleration driving track information are output and stored in a driving track information database, the driving track analysis module takes information in the driving track information database to carry out comprehensive analysis and evaluation to form driving behavior information, and the driving information display module processes the driving behavior information and sends the driving behavior information to a driving information display page to display. According to the scheme, the driving track of the vehicle is calculated by adopting the real-time driving parameters collected and uploaded by the vehicle-mounted mobile equipment and the driving track detection module trained by the system, the dependence of the system on a GPS is reduced, accurate driving behavior analysis is given by adopting the driving track analysis module, driving behavior analysis is facilitated, data support is provided for commercial applications such as behavior car insurance, road safety, fleet management and the like, and the detection accuracy is greatly improved.
In order to further improve the detection precision of the driving track and improve the detailed content of the driving track, the driving track detection module of the method also comprises an overtaking detection module, an interweaving detection module and a following detection module, wherein the overtaking detection module and the interweaving detection module calculate the lane-changing overtaking and the interweaving driving track information of the vehicle according to the lane-changing driving track information, the time sequence of lane changing and the lane changing matching speed/acceleration information, and the following detection module calculates the following driving track information according to the accelerating and decelerating driving track information and the strength/opportunity of the accelerating and decelerating. The overtaking driving track, the interweaving driving track and the following driving track improve the detection precision of the whole driving track.
The scheme can also adopt a mode of combining with a GPS to perfect basic data, specifically, the mobile terminal of the scheme also comprises a GPS module, the GPS module collects the positioning information of the vehicle and uploads the positioning information to a driving information database, and a driving track detection module carries out fusion calculation on the vehicle driving parameter information uploaded by a motion sensor module and the vehicle positioning information uploaded by the GPS module to obtain vehicle driving information and stores the vehicle driving information in the driving track information database, so that the driving track is perfectly calculated.
⑴ detects the driving track of a vehicle by not completely depending on the GPS technology, ⑵ can obtain a more accurate track detection result of right turn, left turn, turning around, right lane change, left lane change, lane change overtaking, continuously interweaving driving, rapid acceleration and rapid deceleration, the detection of the driving track is realized by the sensor fusion technology as shown in figure 1, the system mainly comprises the working processes of starting a mobile phone program, initializing parameters, loading machine learning detection parameters, collecting and uploading sensor data to a cloud server, running a machine learning detection model on a background, calling a basic driving track model, detecting a turning model for right turn, left turn and turning around, detecting a lane change model for right lane change and left lane change, detecting an acceleration and deceleration condition, generating a driving track model and generating a driving track, and displaying the driving track as an acceleration and deceleration condition, and a driving track input data display module, and a front acceleration and deceleration condition, and a front acceleration and rear driving track display module, and a front acceleration and rear acceleration display module, and a rear acceleration and acceleration display module, and a front acceleration and rear driving track display module, and a rear acceleration and a rear driving track display module, and a front acceleration and a rear driving track display module, and a rear vehicle acceleration and a rear vehicle track display module, and a front acceleration and a rear vehicle track display module, which are used for displaying a rear vehicle track, and a rear vehicle track display module, and a rear vehicle track display module, and a vehicle track, which are used for displaying a vehicle track, and a rear.
Based on the above contents, the scheme has the advantages that ⑴ the mobile phone sensor fusion technology is adopted to realize driving track detection, driving behavior analysis is convenient, ⑵ does not depend on GPS completely, results can be obtained under the condition of no GPS, more track detection results are ⑶, and a technical infrastructure is provided for commercial applications such as behavior car insurance, road safety, fleet management and the like.
The driving track detecting system and method for vehicle according to the present disclosure are not limited to the disclosure in the specific embodiments, the technical solutions presented in the embodiments may be extended based on the understanding of those skilled in the art, and the simple alternatives made by those skilled in the art according to the present disclosure in combination with the common general knowledge also belong to the scope of the present disclosure.
Claims (7)
1. The vehicle driving track detection system is characterized by comprising a server and a mobile terminal, wherein the server is in communication connection with the mobile terminal,
the server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, wherein the driving information database is used for storing and managing vehicle driving information, the driving track information database is used for storing and managing driving track information, the driving track detection module is used for detecting the driving track information of the vehicle, the driving track analysis module is used for analyzing and evaluating the driving track information, the driving information display module is used for processing and displaying the driving information,
the driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, the turning detection module is used for detecting turning driving track information, the lane change detection module is used for detecting lane change driving track information, the acceleration and deceleration detection module is used for detecting acceleration and deceleration driving track information,
the mobile terminal comprises a motion sensor module and a driving information display page, wherein the motion sensor module is used for collecting and uploading driving information, and the driving information display page is used for displaying driving track information.
2. The vehicle driving track detection system of claim 1, wherein the driving track detection module further comprises an overtaking detection module, an interleaving detection module, and a following detection module, the overtaking detection module is configured to detect overtaking driving track information, the interleaving detection module is configured to detect interleaving driving track information, and the following detection module is configured to detect following driving track information.
3. The vehicle driving track detection system of claim 1, wherein the mobile terminal further comprises a GPS module, and the GPS module is configured to collect and upload vehicle positioning information.
4. The vehicle driving track detection system of claim 1, wherein the motion sensor module comprises an acceleration sensor, a gyroscope, and a compass, and the acceleration sensor, the gyroscope, and the compass are used for collecting the driving parameter information of the vehicle.
5. The vehicle driving track detection method is based on a vehicle driving track detection system, the vehicle driving track detection system comprises a server and a mobile terminal, the server is in communication connection with the mobile terminal, the server comprises a driving information database, a driving track detection module, a driving track analysis module and a driving information display module, the driving track detection module comprises a turning detection module, a lane change detection module and an acceleration and deceleration detection module, and the mobile terminal comprises a motion sensor module and a driving information display page, and is characterized by comprising the following steps:
the user logs in the system, the system carries out parameter initialization, the motion sensor module acquires vehicle running parameter information and uploads the vehicle running parameter information to be stored in a running information database, the turning detection module, the lane change detection module and the acceleration and deceleration detection module take data in the running information database to detect, turning driving track information, lane change driving track information and acceleration and deceleration driving track information are output and stored in a driving track information database, the driving track analysis module takes information in the driving track information database to carry out comprehensive analysis and evaluation to form driving behavior information, and the driving information display module processes the driving behavior information and sends the driving behavior information to a driving information display page to display.
6. The vehicle driving track detection method according to claim 5, wherein the driving track detection module further comprises an overtaking detection module, an interweaving detection module and a following detection module, the overtaking detection module and the interweaving detection module calculate lane change overtaking and interweaving driving track information of the vehicle according to lane change driving track information, time sequence of lane change occurrence and lane change matching speed/acceleration information, and the following detection module calculates following driving track information according to acceleration and deceleration driving track information and intensity/opportunity of acceleration and deceleration.
7. The vehicle driving track detection method according to claim 6, wherein the mobile terminal further comprises a GPS module, the GPS module collects positioning information of the vehicle and uploads the positioning information to the driving track information database, and the driving track detection module performs fusion calculation on vehicle driving parameter information uploaded by the motion sensor module and vehicle positioning information uploaded by the GPS module to obtain vehicle driving information and stores the vehicle driving information in the driving track information database.
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