CN112991737A - Method for collecting road condition information by automobile - Google Patents
Method for collecting road condition information by automobile Download PDFInfo
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- CN112991737A CN112991737A CN202110261631.9A CN202110261631A CN112991737A CN 112991737 A CN112991737 A CN 112991737A CN 202110261631 A CN202110261631 A CN 202110261631A CN 112991737 A CN112991737 A CN 112991737A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
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- Traffic Control Systems (AREA)
Abstract
The invention relates to the technical field of traffic, and discloses a method for acquiring road condition information by an automobile, which has the technical scheme that the method comprises an acquisition end, a positioning module and an interaction module, wherein the acquisition end comprises an acquisition module and a comparison module, the acquisition module acquires the inclination angle and the roll angle of the automobile in real time, and calculates a first change value and a second change value, the comparison module compares the first change value with the first threshold value and the second change value with the second threshold value to judge whether the automobile meets the hollow area during the driving process on the road, the positioning module is used for positioning the hollow area to generate position information, the interaction module is used for sending the position information to an execution unit, the damaged part of the road can be found in time, and the position is positioned and sent, so that road maintenance personnel can reach a specified place in time to maintain the road, and the maintenance efficiency is improved.
Description
Technical Field
The invention relates to the technical field of traffic, in particular to a method for acquiring road condition information by an automobile.
Background
Along with the development of automobile design and automatic driving technology, better and better driving experience is brought to people. However, the automobile runs on the road, but the quality of road conditions can affect the driving quality, for example, the road has rough depressions, which can bring certain hidden trouble to traffic;
however, for the existing traffic road pothole condition, the road maintenance personnel are not ready to find the pothole condition, even if the regular arrangement personnel patrol the traffic road, the problem finding is not timely, and certain labor cost is brought by the method.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for collecting road condition information by an automobile, which is used for finding out the hollow condition of a traffic road in time.
In order to achieve the purpose, the invention provides the following technical scheme: a method for acquiring road condition information of an automobile comprises an acquisition end, a positioning module and an interaction module, wherein the acquisition end comprises an acquisition module and a comparison module, the acquisition module is used for acquiring the inclination angle and the roll angle of the automobile in real time and respectively calculating the change values of the inclination angle and the roll angle in unit time to obtain a first change value and a second change value;
an initial data table is configured in the acquisition module, initial data are configured on the initial data table, and the initial data comprise a first threshold and a second threshold;
the comparison module is used for comparing the first change value with the first threshold value and the second change value with the second threshold value;
the positioning module is used for positioning the position of the automobile in real time;
if the first change value is larger than the first threshold value or the second change value is larger than the second threshold value, the positioning module generates position information, and the interaction module prompts a driver to confirm through interaction display and whether to upload the position information to an execution unit.
As a further improvement of the present invention, the acquisition module acquires acceleration of the vehicle in real time and generates current acceleration, the initial data further includes a plurality of acceleration thresholds, each of the first thresholds and each of the second thresholds correspond to one of the acceleration thresholds, and the comparison module compares the first change value and the first threshold and the second change value and the second threshold under the current acceleration with the current acceleration as an index.
As a further improvement of the present invention, the acquisition module acquires a speed of an automobile in real time, generates a current speed, and is configured with a time data table, the time data table is configured with time data, the time data includes a plurality of unit times and a plurality of speed data, each unit time corresponds to one of the speed data, and the acquisition module calculates a change value of the inclination angle and the roll angle in the unit time at the current speed by using the current speed as an index.
As a further improvement of the present invention, the comparison module includes a duration unit configured with a duration and a multiple value, the duration being equal to the multiple value multiplied by the unit time at the current vehicle speed, and the duration unit includes a detection strategy for detecting the first variation value and the first threshold value and the second variation value and the second threshold value in each of the unit times during the duration.
As a further improvement of the invention, the value of the multiple is 5 or more and 10 or less.
As a further improvement of the present invention, a wheel track data table is preset in the acquisition module, a wheel track is configured on the wheel track data table, the wheel track represents a wheel base between a front wheel and a rear wheel of an automobile, and the multiplier is determined according to the wheel track.
As a further improvement of the present invention, a third threshold and a fourth threshold are configured in the persistence unit, the persistence unit includes a persistence policy, the persistence policy compares the first variation value with the third threshold and the second variation value with the fourth threshold, and if the first variation value is smaller than the third threshold or the second variation value is smaller than the fourth threshold, the persistence unit executes the detection policy.
As a further improvement of the present invention, the third threshold is smaller than the first threshold, and the fourth threshold is smaller than the second threshold.
The invention has the beneficial effects that: the invention is provided with an acquisition module and a comparison module, the acquisition module acquires the inclination angle and the roll angle of the automobile in real time, a first change value and a second change value are obtained through calculation, the comparison module compares the first change value with a first threshold value and the second change value with a second threshold value to judge whether the automobile meets the hollow land or not in the driving process on the road, the positioning module positions the hollow land to generate position information, and the interaction module sends the position information to an execution unit, so that the damaged part of the road can be found in time, the position is positioned and sent, road maintenance personnel can reach the designated place in time to maintain the road, and the maintenance efficiency is improved.
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Fig. 1 is a block diagram of the present invention.
Reference numerals: 1. a collection end; 11. an acquisition module; 12. a comparison module; 2. a positioning module; 3. and an interaction module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1, the method for acquiring road condition information by an automobile according to the embodiment includes an acquisition end 1, a positioning module 2 and an interaction module 3, where the acquisition end 1 includes an acquisition module 11 and a comparison module 12, and the acquisition module 11 is configured to acquire an inclination angle and a roll angle of the automobile in real time, and calculate change values of the inclination angle and the roll angle in unit time respectively to obtain a first change value and a second change value; an initial data table is configured in the acquisition module 11, initial data is configured on the initial data table, and the initial data comprises a first threshold and a second threshold; the comparison module 12 is configured to compare the first variation value with a first threshold and the second variation value with a second threshold; the inclination angle and the roll angle are obtained from pitch and roll in Euler angle definition, a rectangular coordinate system is established by taking the advancing direction of the automobile as an X axis, the inclination angle represents the rotating angle of the automobile along the Y axis, the roll angle represents the rotating angle of the automobile along the X axis, the acquisition module 11 comprises a gyroscope, the gyroscope is fixedly connected to the automobile, and the inclination angle and the roll angle of the automobile are mapped through the change of the rotating angle of the gyroscope; when the automobile runs on a stable road, the inclination angle and the roll angle of the automobile are both 0, when the automobile meets a pothole road, the head of the automobile firstly inclines downwards, when the automobile runs out of the pothole, the head of the automobile inclines upwards, so that the inclination angle is changed, if a single wheel of the automobile meets the pothole road, the roll angle of the automobile changes, the inclination angle and the roll angle change along with the depth of the pothole, the depth of the pothole reaches, the change amounts of the inclination angle and the roll angle reach, if the unit time is 2 seconds, during the period, the first change value is 12 degrees, if the first threshold value is 10 degrees, the first threshold value can be taken as a range value, the first threshold value is taken as 5 degrees to 10 degrees, a lower limit value is set, so that the error caused by road stones on the measured data can be avoided, if the first change value is greater than the first threshold value, the automobile can be represented as meeting the pothole, or the second variation value is 12 degrees, the second threshold value is 10 degrees, similarly, the second threshold value may be a range value, the second threshold value is 5 degrees to 10 degrees, if the second variation value is greater than the second threshold value, it may be indicated that a single wheel of the vehicle encounters a hollow, at this time, it is indicated that a hollow exists in the road, and the position of the hollow can be located through the locating module 2, the interaction module 3 may send the position information to the execution unit, the execution unit may be a road maintenance department, the vehicle detects the damaged position of the road during the driving process, and can find the damaged position of the road in time and locate and send the position, so that the road maintenance personnel can reach the specified position in time to maintain the road, and the maintenance efficiency is improved. The acquisition module 11 acquires acceleration of the automobile in real time, and generates current acceleration, the initial data further comprises a plurality of acceleration threshold values, each first threshold value and each second threshold value correspond to one acceleration threshold value respectively, when the automobile encounters a depression, a generated first change value and a generated second change value are different, the larger the acceleration threshold value is, when the automobile head enters the depression, the lower the dropping degree is, therefore, the acceleration threshold value is found according to the current acceleration, and the first threshold value or the second threshold value under the acceleration threshold value is compared, so that a detection result is more accurate, whether the road is damaged or not can be reflected, the comparison module 12 takes the current acceleration as an index, and the first change value, the first threshold value, the second change value and the second threshold value under the current acceleration are compared.
The positioning module 2 is used for positioning the position of the automobile in real time; the positioning module 2 comprises an ADAS function, wherein the ADAS function is an advanced driving assistance function and is used for positioning the position of the automobile;
if the first change value is larger than the first threshold value or the second change value is larger than the second threshold value, the positioning module 2 generates position information, the interaction module 3 confirms to the driver through interaction display prompts and uploads the position information to an execution unit, and the interaction module 3 selectively uploads the position information to the driver, so that the situation that the road at the position is overhauled and waste of public resources is caused due to the fact that the first change value and the second change value are generated due to driving habits of the driver can be avoided.
The acquisition module 11 acquires the speed of an automobile in real time, generates a current speed, and is configured with a time data table, time data are configured on the time data table, the time data comprise a plurality of unit times and a plurality of speed data, each unit time corresponds to one speed data, the acquisition module 11 takes the current speed as an index, the change values of an inclination angle and a roll angle in the unit time under the current speed are calculated, aiming at different current speeds, if the automobile runs in the same unit time, the running distance is different, the faster the current speed is, the longer the running distance is, for the same damaged road, the distance of the damaged road is constant, if the detected unit times are consistent, the faster the current speed is, the fewer the number of damaged roads can be detected, the detection effect is caused, and therefore, for different current speeds, different unit time is set, the faster the current vehicle speed is, the shorter the unit time is, and the detection accuracy is improved.
The comparison module 12 includes a duration unit, a duration time and a multiple value are configured in the duration unit, the duration time is equal to a unit time obtained by multiplying the multiple value by a current vehicle speed, the duration unit includes a detection strategy, the detection strategy is used for detecting that a first change value and a first threshold value and a second change value and a second threshold value in each unit time are set in the duration time, the duration time is set to be indicated on the same road, and the first change value and the second change value are continuously generated in the duration time during the driving process of the automobile, so that the assumption that the automobile meets a bumpy road can be obtained. The multiple value is set to be greater than or equal to 5 and less than or equal to 10, so that when the multiple value is smaller, the first change value and the second change value can be generated due to stones, and the influence of stone factors on the first change value and the second change value is avoided. A wheel track data table is preset in the acquisition module 11, a wheel track is configured on the wheel track data table, the wheel track represents the wheel base between the front wheel and the rear wheel of the automobile, and a multiplying value is determined according to the wheel track. The larger the wheel distance is, the larger the distance between the front wheel and the rear wheel is, the longer the time that the rear wheel enters the bumpy road when the front wheel enters the bumpy road is, and in a similar way, the longer the time that the rear wheel exits the bumpy road when the front wheel exits the bumpy road is, so that for the bumpy road with the same length, the larger the wheel distance is, the longer the time that the first change value and the second change value are generated is, in order to more accurately determine the bumpy road, the number value needs to be increased, that is, the larger the wheel distance is, the larger the multiple value is.
The continuous unit is internally provided with a third threshold and a fourth threshold, the third threshold is smaller than the first threshold, the fourth threshold is smaller than the second threshold, the continuous unit comprises a continuous strategy, the continuous strategy compares the first change value with the third threshold and the second change value with the fourth threshold, if the first change value is smaller than the third threshold or the second change value is smaller than the fourth threshold, the continuous unit executes a detection strategy, and if the first change value is smaller than the third threshold or the second change value is smaller than the fourth threshold, the general bumpy road has smaller height fluctuation, so that the first change value and the second change value are smaller, the third threshold and the fourth threshold are set to specifically judge whether the road is the bumpy road, and if the first change value is continuously larger than the third threshold or the second change value is continuously larger than the fourth threshold within the duration, the road can be represented as a continuous hole.
The working principle is as follows: the unit time is 2 seconds, during the period, the first variation value is 12 degrees, if the first threshold value is 10 degrees, the first variation value is greater than the first threshold value, it can be indicated that the automobile meets a pothole, or the second variation value is 12 degrees, the second threshold value is 10 degrees, the second variation value is greater than the second threshold value, it can be indicated that a single wheel of the automobile meets the pothole, at this time, it is indicated that the road has the pothole, the position of the pothole can be located through the locating module 2, the interaction module 3 can send the position information to the execution unit, and, in the duration, the first variation value and the second variation value are continuously generated, and when the first variation value is less than the third threshold value or the second variation value is less than the fourth threshold value, the assumption that the automobile meets a bumpy road can be obtained.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The method for acquiring the road condition information by the automobile comprises an acquisition end (1), a positioning module (2) and an interaction module (3), and is characterized in that: the acquisition end (1) comprises an acquisition module (11) and a comparison module (12), wherein the acquisition module (11) is used for acquiring the inclination angle and the roll angle of the automobile in real time, and calculating the change values of the inclination angle and the roll angle in unit time respectively to obtain a first change value and a second change value;
an initial data table is configured in the acquisition module (11), initial data are configured on the initial data table, and the initial data comprise a first threshold and a second threshold;
the comparison module (12) is used for comparing the first variation value with the first threshold value and the second variation value with the second threshold value;
the positioning module (2) is used for positioning the position of the automobile in real time;
if the first change value is larger than the first threshold value or the second change value is larger than the second threshold value, the positioning module (2) generates position information, and the interaction module (3) prompts a driver to confirm through interaction display and whether to upload the position information to an execution unit.
2. The method for collecting road condition information of the vehicle as claimed in claim 1, wherein: the acquisition module (11) acquires acceleration of an automobile in real time and generates current acceleration, the initial data further comprises a plurality of acceleration threshold values, each first threshold value and each second threshold value respectively correspond to one acceleration threshold value, and the comparison module (12) compares the first change value and the first threshold value and the second change value and the second threshold value under the current acceleration by taking the current acceleration as an index.
3. The method for collecting road condition information of the vehicle as claimed in claim 2, wherein: the method comprises the steps that an acquisition module (11) acquires the speed of an automobile in real time, generates the current speed of the automobile and is provided with a time data table, time data are arranged on the time data table and comprise a plurality of unit time data and a plurality of speed data, each unit time corresponds to one speed data, and the acquisition module (11) calculates the change values of the inclination angle and the roll angle in the unit time under the current speed of the automobile by taking the current speed of the automobile as an index.
4. The method for collecting road condition information of the vehicle as claimed in claim 3, wherein: the comparison module (12) comprises a duration unit configured with a duration equal to the multiple value multiplied by the unit time at the current vehicle speed and a multiple value, and a detection strategy for detecting the first variation value and the first threshold value and the second variation value and the second threshold value in each unit time within the duration.
5. The method for collecting road condition information of the vehicle as claimed in claim 4, wherein: the multiple value is greater than or equal to 5 and less than or equal to 10.
6. The method for collecting road condition information of the vehicle as claimed in claim 5, wherein: a wheel track data table is preset in the acquisition module (11), a wheel track is configured on the wheel track data table, the wheel track represents the wheel base between the front wheel and the rear wheel of the automobile, and the multiplying value is determined according to the wheel track.
7. The method for collecting road condition information of the vehicle as claimed in claim 5, wherein: a third threshold and a fourth threshold are configured in the persistent unit, the persistent unit includes a persistent policy, the persistent policy compares the first variation value with the third threshold and the second variation value with the fourth threshold, and if the first variation value is smaller than the third threshold or the second variation value is smaller than the fourth threshold, the persistent unit executes the detection policy.
8. The method for collecting road condition information of the vehicle as claimed in claim 7, wherein: the third threshold is less than the first threshold, and the fourth threshold is less than the second threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110261631.9A CN112991737A (en) | 2021-03-10 | 2021-03-10 | Method for collecting road condition information by automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110261631.9A CN112991737A (en) | 2021-03-10 | 2021-03-10 | Method for collecting road condition information by automobile |
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| CN112991737A true CN112991737A (en) | 2021-06-18 |
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| CN202110261631.9A Pending CN112991737A (en) | 2021-03-10 | 2021-03-10 | Method for collecting road condition information by automobile |
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| JPH05338425A (en) * | 1992-04-09 | 1993-12-21 | Nissan Motor Co Ltd | Suspension control device |
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Application publication date: 20210618 |