CN110203128B - Construction method of steering lamp auxiliary model, automatic steering lamp control method and system - Google Patents
Construction method of steering lamp auxiliary model, automatic steering lamp control method and system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
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Abstract
The invention discloses a construction method of a steering lamp auxiliary model, a steering lamp automatic control method and a system, belonging to the technical field of vehicle steering judgment, wherein the construction method of the model comprises the following steps: acquiring the driving information of a vehicle on a navigation road section, and inputting the driving information into a preset model to obtain a steering output result; acquiring the driving behavior of a driver on a navigation road section to obtain steering information; and correcting the preset model according to the steering information and the steering output result to obtain a target model until the prediction success rate of the target model is greater than or equal to the preset value. The steering lamp auxiliary model can be automatically corrected according to the driving behavior of the driver, and can adapt to the driving habit/road condition change and the like of the driver; in addition, the automatic control method for the steering lamp does not control the steering lamp according to a set program, but controls the steering lamp correspondingly when the prediction success rate of the auxiliary model of the steering lamp is greater than a preset value after the auxiliary model of the steering lamp is trained, so that the steering prediction of the vehicle is more accurate.
Description
Technical Field
The invention belongs to the technical field of vehicle steering judgment, and particularly relates to a construction method of a steering lamp auxiliary model, and an automatic steering lamp control method and system.
Background
The automobile steering lamp is an important indicator light which is turned on when a motor vehicle steers to prompt the attention of front and rear vehicles and pedestrians, and the current steering lamp is mainly installed in the following places: the automobile tail part and the outer rearview mirror or the front fender are opened mainly by operating a rocker on the left rear side of a steering wheel, but manual operation is needed, and under the condition that roads such as congested road sections and the like are complicated, a part of drivers with immature driving technologies are in a busy and messy operation and often forget to turn on a steering lamp by changing lanes, so that the number of traffic accidents caused by forgetting to turn on the steering lamp by changing lanes is increased day by day.
In order to solve the problem, technical personnel provide various solutions, for example, chinese patent (application number: CN201410751135.1) discloses an intelligent turn signal system based on a navigation system, which determines whether a turn signal needs to be turned on according to map information and vehicle position information in the navigation system collected by a controller, and although the problem of traffic accidents caused by forgetting to turn on the turn signal can be avoided to a certain extent, the solution can only passively control the turn signal according to environmental conditions such as map information, and when driving, the map information is wrong or changed, so the solution cannot adjust surrounding environment in real time and effectively, and finally cannot control the turn signal correctly.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a construction method of a steering lamp auxiliary model, a steering lamp automatic control method and a system, wherein the steering lamp auxiliary model can be automatically corrected according to the driving behavior of a driver, so that the steering lamp auxiliary model can adapt to the driving habits/road condition changes and the like of the driver; in addition, according to the automatic control method of the steering lamp, when the steering lamp is controlled to perform corresponding actions, the steering lamp is not automatically controlled according to a set program, but the steering lamp is correspondingly controlled only when the prediction success rate of the steering lamp auxiliary model is larger than a preset value after the steering lamp auxiliary model is trained, so that the steering prediction of the vehicle is more accurate, and in the process of controlling the steering lamp, the steering lamp auxiliary model is updated in real time and in a self-adaptive manner, the accuracy of the prediction result is further increased, and the accuracy of the automatic control of the steering lamp is ensured.
In a first aspect, the present invention provides a method for constructing a turn signal lamp auxiliary model, the method comprising the steps of:
acquiring the driving information of a vehicle on a navigation road section, and inputting the driving information into a preset model to obtain a steering output result; the driving information of the vehicle at least comprises lane change and steering angle information;
acquiring the driving behavior of a driver on the navigation road section to obtain steering information;
and correcting the preset model according to the steering information and the steering output result to obtain a target model until the prediction success rate of the target model is greater than or equal to a preset value.
In some embodiments, obtaining the driving behavior of the driver on the navigation road segment to obtain the steering information comprises:
according to the driving behavior of a driver on the navigation road section, acquiring lane change and steering angle information of the vehicle to obtain corresponding steering information; and/or
And acquiring the steering lamp information of the vehicle according to the driving behavior of the driver on the navigation road section to obtain corresponding steering information.
In some embodiments, the driving information of the vehicle further includes position information of the vehicle.
In a second aspect, based on the construction method of the turn signal lamp auxiliary model in the first aspect, an automatic turn signal lamp control method is provided, and the method includes:
acquiring the driving information of the vehicle on a navigation road section as the input information of the target model;
predicting to obtain steering output information according to the target model and the input information;
and correspondingly controlling the steering lamp of the vehicle according to the steering output information.
In some embodiments, the method further comprises:
and judging whether the output information is consistent with the steering output result of the target model, and if not, correcting the target model according to the output information and the steering output result of the target model.
In some embodiments, the obtaining of the driving information of the vehicle on the navigation road section as the input information of the target model specifically includes:
and acquiring lane change and steering angle information of the vehicle on a navigation road section, and/or acquiring steering lamp information of the vehicle on the navigation road section as input information of the target model.
In some embodiments, the correspondingly controlling the turn signal of the vehicle according to the steering output information specifically includes:
and controlling the vehicle to turn on a left steering lamp, turn on a right steering lamp or not turn on the steering lamp according to the steering output information.
In some embodiments, the method further comprises:
and correspondingly controlling the steering lamp of the vehicle according to the steering output information, and correspondingly controlling the indicator lamp of the instrument panel.
In a third aspect, based on the automatic control method of the turn signal lamp in the second aspect, an automatic control system of the turn signal lamp is provided, the system comprising:
the acquisition module is used for acquiring the driving information of the vehicle on a navigation road section as the input information of the target model;
the prediction module is used for predicting to obtain steering output information according to the target model and the input information;
and the control module is used for correspondingly controlling the steering lamp of the vehicle according to the steering output information.
In some embodiments, the system further includes a modification module, where the modification module is configured to determine whether the output information is consistent with a steering output result of the target model, and modify the target model according to the output information and the steering output result of the target model when the output information is inconsistent with the steering output result of the target model.
In some embodiments, the obtaining module is specifically configured to:
and acquiring lane change and steering angle information of the vehicle on a navigation road section, and/or acquiring steering lamp information of the vehicle on the navigation road section as input information of the target model.
In some embodiments, the control module is specifically configured to:
and controlling the vehicle to turn on a left steering lamp, turn on a right steering lamp or not turn on the steering lamp according to the steering output information.
In some embodiments, the control module is further configured to:
and correspondingly controlling the steering lamp of the vehicle according to the steering output information, and correspondingly controlling the indicator lamp of the instrument panel.
The embodiment of the invention has the following beneficial effects: the steering lamp auxiliary model can automatically correct according to the driving behavior of the driver, so that the steering lamp auxiliary model can adapt to the driving habit of the driver/the road condition change and the like; in addition, according to the automatic control method of the steering lamp, when the steering lamp is controlled to perform corresponding actions, the steering lamp is not automatically controlled according to a set program, but the steering lamp is correspondingly controlled only when the prediction success rate of the steering lamp auxiliary model is larger than a preset value through continuous training of the steering lamp auxiliary model, so that the steering prediction of the vehicle is more accurate, and in the process of controlling the steering lamp, the steering lamp auxiliary model is updated in real time and in a self-adaptive manner, the accuracy of the prediction result is further increased, and the accuracy of the automatic control of the steering lamp is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram illustrating a method for constructing a turn signal assist model according to one embodiment;
FIG. 2 is a schematic flow chart of a method for automatically controlling a turn signal lamp according to an embodiment;
fig. 3 is a block diagram of an automatic turn signal control system according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for constructing a turn signal lamp auxiliary model, where the method includes:
s101, acquiring running information of a vehicle on a navigation road section, and inputting the running information into a preset model to obtain a steering output result; the running information of the vehicle includes at least lane change and steering angle information.
Specifically, the method comprises the following steps: the method comprises the steps of obtaining driving information of a vehicle on a navigation road section and inputting the driving information into a preset model, receiving the input driving information by the preset model, calling path information of the navigation road section, and predicting to obtain a steering output result corresponding to the input driving information.
The preset model is a prediction model constructed based on a convolutional neural network.
The navigation section at least comprises: the road comprises a part section consisting of more than two roads and a part section consisting of a single road with a turning angle larger than 60 degrees.
The lane change information includes: changing the lane direction;
the steering angle information includes: steering angle range.
Example one:
according to the historical driving information of the vehicle at the navigation road section, when the vehicle is detected at a certain crossroad of the navigation road section, the lane changing direction and the steering angle range of the vehicle at the crossroad are obtained and input into a preset model, the preset model obtains the path range corresponding to the position through the position information of the vehicle, and then the steering output result corresponding to the crossroad is obtained through prediction.
Example two:
the method comprises the steps of obtaining historical information of a vehicle on a navigation road section, obtaining a steering angle range of the vehicle at a turning intersection and inputting the steering angle range into a preset model when the turning intersection of a single road with a turning angle larger than 60 degrees on the navigation road section is detected, obtaining a path range corresponding to the position through position information of the vehicle by the preset model, and predicting to obtain a steering output result corresponding to the turning intersection.
S102, obtaining the driving behavior of the driver on the navigation road section to obtain steering information.
Specifically, the driving behavior of the driver on the navigation section is obtained in real time, so that the steering information about the vehicle is obtained according to the real-time driving behavior. Wherein the driving behavior of the driver comprises: whether the driver turns on the turn signal, whether the driver operates the steering wheel to turn, etc.
S103, correcting the preset model according to the steering information and the steering output result to obtain a target model until the prediction success rate of the target model is larger than or equal to the preset value.
Specifically, when the steering information is consistent with the steering output result, the preset model is successfully predicted, and the prediction success rate of the prediction model is improved; and when the steering information is inconsistent with the steering output result, the preset model fails to predict, and the parameters of the preset model are corrected. And when the prediction success rate of the preset model is greater than or equal to the preset value, obtaining the target model.
Illustratively, if the prediction of the preset model is successful, the prediction success rate is increased by 0.5% (the initial value of the preset model is set to be 50%), and in addition, the preset value is set to be 85%, and when the prediction success rate of the preset model is greater than or equal to 85%, the target model is obtained.
In the method, the preset model and the target model are steering lamp auxiliary models, and the steering lamp auxiliary models can be automatically corrected according to the actual driving behavior of the driver in the construction process of the steering auxiliary models, so that the method can adapt to the driving habits/road condition changes of the driver and the like, and therefore the steering lamp auxiliary models have the advantages of high real-time performance and high prediction accuracy.
In one embodiment, the obtaining of the driving behavior of the driver on the navigation road section to obtain the steering information may include the following steps:
s201, obtaining lane change and steering angle information of a vehicle according to the driving behavior of a driver on a navigation road section to obtain corresponding steering information; and/or acquiring the turn light information of the vehicle according to the driving behavior of the driver on the navigation road section.
Specifically, within a preset time, when a driver operates a steering wheel, lane change and steering angle information of the vehicle is acquired, and corresponding steering information is obtained. The lane change and steering angle information of the vehicle has two states, namely, when a driver operates a steering wheel to rotate, the lane change and steering angle information of the vehicle are changed; when the driver operates the steering wheel and does not rotate, the lane change and steering angle information of the vehicle is not changed; and triggering to obtain corresponding steering information according to different states.
In addition, within the preset time, when the driver turns on the steering lamp, the steering lamp information of the vehicle is obtained, and the corresponding steering information is obtained.
In one embodiment, the driving information of the vehicle further includes position information of the vehicle.
Illustratively, when the vehicle is traveling straight at the intersection, the steering output result is obtained by acquiring the position information of the vehicle.
In some embodiments, as shown in fig. 2, there is provided a turn signal lamp automatic control method including:
and S301, acquiring the running information of the vehicle on the navigation road section as the input information of the target model.
Example one:
and detecting the position of the vehicle in real time, and acquiring the driving information of the vehicle at a certain crossroad of the navigation road section as the input information of the target model when the vehicle is detected to be at the crossroad.
Example two:
and detecting the position of the vehicle in real time, and acquiring the running information of the vehicle at a turning intersection when the vehicle is detected to be at the turning intersection of a single road with a turning angle larger than 60 degrees as the input information of the target model.
And S302, predicting to obtain steering output information according to the target model and the input information.
Specifically, the input information is input into the target model to obtain a prediction result.
And when the prediction result is inconsistent with the steering output result of the target model and the target model fails to predict, taking the prediction result as actual steering output information.
And S303, correspondingly controlling the steering lamp of the vehicle according to the steering output information.
According to the method, when the steering lamp is controlled to perform corresponding action, the steering lamp is not automatically controlled according to a set program, but the steering lamp is correspondingly controlled when the prediction success rate of the steering lamp auxiliary model is larger than a preset value after the steering lamp auxiliary model is trained, so that the vehicle steering prediction is more accurate.
In one embodiment, the automatic control method for the turn signal lamp may include the following steps:
s401, judging whether the output information is consistent with the steering output result of the target model or not, and if not, correcting the target model according to the output information and the steering output result of the target model.
When the output information is consistent with the steering output result of the target model, the target model is successfully predicted, and the prediction success rate of the target model is improved, such as: when the target model is predicted successfully, the prediction success rate is increased by 0.5%; and when the output information is inconsistent with the steering output result of the target model, the target model fails to predict, and the parameters of the target model are corrected. Therefore, the prediction result of the target model can be more accurate by correcting the parameters of the target model, and the target model is updated in real time and in a self-adaptive manner in the process of controlling the steering lamp, so that the accuracy of the prediction result is further improved, and the accuracy of automatic control of the steering lamp is ensured.
In one embodiment, the obtaining of the driving information of the vehicle on the navigation road section as the input information of the target model may include the following steps:
s501, obtaining lane change and steering angle information of the vehicle on the navigation road section, and/or obtaining steering lamp information of the vehicle on the navigation road section as input information of the target model.
Wherein, according to the actual driving behavior of the driver, such as: when a driver operates a steering wheel, acquiring lane change and steering angle information of a vehicle on a navigation road section; when a driver turns on a turn light, turn light information of a vehicle on a navigation road section is acquired.
In one embodiment, the above-mentioned controlling the turn signal of the vehicle according to the steering output information may include the following steps:
s601, controlling the vehicle to turn on a left steering lamp, turn on a right steering lamp or not turn on the steering lamp according to the steering output information.
Wherein the steering output information includes: the left turn light turn-on signal, the right turn light turn-on signal and the turn light turn-off signal are output according to different output information, so that different controls of the turn lights of the vehicle are realized.
In one embodiment, the automatic control method for the turn signal lamp may include the following steps:
and S701, correspondingly controlling the steering lamp of the vehicle according to the steering output information, and correspondingly controlling the indicator lamp of the instrument panel.
Specifically, the indicator light on the instrument panel is controlled to flash while the turn light is controlled.
Such as: when the left steering lamp is turned on, the left steering indicator lamp on the instrument panel is controlled to flicker;
when the right steering lamp is turned on, controlling the right steering indicating lamp on the instrument panel to flicker;
when the turn light is not turned on, the indicator light on the control instrument panel does not flicker.
In some embodiments, as shown in fig. 3, there is provided an automatic turn signal lamp control system, including:
the acquisition module 81 is used for acquiring the driving information of the vehicle on the navigation road section as the input information of the target model;
a prediction module 82, configured to obtain steering output information according to the target model and the input information;
and the control module 83 is used for correspondingly controlling the steering lamp of the vehicle according to the steering output information.
In one embodiment, the automatic turn signal control system further includes a changing module 84, where the changing module 84 is configured to determine whether the output information is consistent with the steering output result of the target model, and if not, modify the target model according to the output information and the steering output result of the target model.
In one embodiment, the obtaining module 81 is specifically configured to: and acquiring lane change and steering angle information of the vehicle on the navigation road section, and/or acquiring steering lamp information of the vehicle on the navigation road section as input information of the target model.
In one embodiment, the control module 83 is specifically configured to: and controlling the vehicle to turn on a left steering lamp, turn on a right steering lamp or not turn on the steering lamp according to the steering output information.
In one embodiment, the control module 83 is further configured to: and correspondingly controlling the steering lamp of the vehicle according to the steering output information, and correspondingly controlling the indicator lamp of the instrument panel.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A construction method of a steering lamp auxiliary model is characterized by comprising the following steps:
acquiring the driving information of a vehicle on a navigation road section, and inputting the driving information into a preset model to obtain a steering output result; the method specifically comprises the following steps: acquiring a lane changing direction and a steering angle range of a vehicle at an intersection and inputting the lane changing direction and the steering angle range into a preset model, wherein the preset model acquires a path range corresponding to the position through position information of the vehicle and then predicts a steering output result corresponding to the intersection; the driving information of the vehicle at least comprises lane change and steering angle information;
acquiring the driving behavior of a driver on the navigation road section to obtain steering information;
and correcting the preset model according to the steering information and the steering output result to obtain a target model until the prediction success rate of the target model is greater than or equal to a preset value.
2. The method of claim 1, wherein obtaining driving behavior of a driver on the navigation segment to obtain steering information comprises:
according to the driving behavior of a driver on the navigation road section, acquiring lane change and steering angle information of the vehicle to obtain corresponding steering information; and/or
And acquiring the steering lamp information of the vehicle according to the driving behavior of the driver on the navigation road section to obtain corresponding steering information.
3. The method of claim 1, wherein the driving information of the vehicle further comprises position information of the vehicle.
4. A method for automatically controlling a turn signal lamp based on the method for constructing the turn signal lamp auxiliary model according to any one of claims 1 to 3, the method comprising:
acquiring the driving information of the vehicle on a navigation road section as the input information of the target model;
predicting to obtain steering output information according to the target model and the input information;
and correspondingly controlling the steering lamp of the vehicle according to the steering output information.
5. The method of claim 4, further comprising:
and judging whether the output information is consistent with the steering output result of the target model, and if not, correcting the target model according to the output information and the steering output result of the target model.
6. The method according to claim 4, wherein the obtaining of the driving information of the vehicle on the navigation section as the input information of the target model specifically comprises:
and acquiring lane change and steering angle information of the vehicle on a navigation road section, and/or acquiring steering lamp information of the vehicle on the navigation road section as input information of the target model.
7. The method according to any one of claims 4 to 6, wherein correspondingly controlling the turn signal of the vehicle according to the steering output information specifically comprises:
and controlling the vehicle to turn on a left steering lamp, turn on a right steering lamp or not turn on the steering lamp according to the steering output information.
8. The method according to any one of claims 4 to 6, further comprising:
and correspondingly controlling the steering lamp of the vehicle according to the steering output information, and correspondingly controlling the indicator lamp of the instrument panel.
9. An automatic turn signal lamp control system based on the automatic turn signal lamp control method according to any one of claims 4 to 8, characterized in that the system comprises:
the acquisition module is used for acquiring the driving information of the vehicle on a navigation road section as the input information of the target model;
the prediction module is used for predicting to obtain steering output information according to the target model and the input information;
and the control module is used for correspondingly controlling the steering lamp of the vehicle according to the steering output information.
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| CN112406694A (en) * | 2020-11-16 | 2021-02-26 | 东风汽车集团有限公司 | Automatic control system and method for automobile steering lamp |
| CN114537265B (en) * | 2020-11-24 | 2024-02-20 | 上海汽车集团股份有限公司 | Steering lamp control method, device and equipment |
| CN113029146A (en) * | 2021-03-02 | 2021-06-25 | 北京白龙马云行科技有限公司 | Navigation action prediction model training method, navigation action generation method and device |
| CN113043945A (en) * | 2021-04-21 | 2021-06-29 | 前海七剑科技(深圳)有限公司 | Steering lamp control method, system, electronic device and computer readable storage medium |
| CN115503604B (en) * | 2022-10-29 | 2024-09-03 | 重庆长安汽车股份有限公司 | Method, system, electronic equipment and storage medium for detecting turn signal output signal |
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| CN202863252U (en) * | 2012-08-30 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile steering lamp automatic control system |
| CN104553969B (en) * | 2014-12-09 | 2017-07-25 | 北京新能源汽车股份有限公司 | Intelligent steering lamp system based on navigation system and control method thereof |
| CN105291964B (en) * | 2015-10-28 | 2018-07-31 | 广东好帮手环球科技有限公司 | A kind of method and system controlling steering indicating light based on auto navigation turn signal |
| CN107169598A (en) * | 2017-05-05 | 2017-09-15 | 上海斐讯数据通信技术有限公司 | A kind of weather prediction method and system based on deep learning |
| CN109484286A (en) * | 2018-12-18 | 2019-03-19 | 安徽江淮汽车集团股份有限公司 | A kind of turn signal automatic opening method |
| CN109785595A (en) * | 2019-02-26 | 2019-05-21 | 成都古河云科技有限公司 | A kind of vehicle abnormality track real-time identification method based on machine learning |
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