CN111216622B - Steering lamp control method and device based on wheel turning angle - Google Patents
Steering lamp control method and device based on wheel turning angle Download PDFInfo
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- CN111216622B CN111216622B CN201811417276.4A CN201811417276A CN111216622B CN 111216622 B CN111216622 B CN 111216622B CN 201811417276 A CN201811417276 A CN 201811417276A CN 111216622 B CN111216622 B CN 111216622B
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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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- 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
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/12—Steering parameters
- B60Q2300/122—Steering angle
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Abstract
The invention provides a steering lamp control method and a device based on wheel turning angles, wherein the control method comprises the following steps: detecting the turning angle of the front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment; if the current moment of the front wheels of the vehicle turns to the left, and the current moment of the front wheels turns a corner which is larger than a first turning angle threshold value and larger than the last turning angle at the moment of detection, controlling a left turning lamp of the vehicle to be turned on; and if the current moment of the front wheels of the vehicle is steered to the right, and meanwhile, the turning angle of the current moment of the front wheels is larger than the second turning angle threshold value and larger than the turning angle detected last time, controlling a right turning lamp of the vehicle to be turned on. According to the technical scheme provided by the invention, the steering of the vehicle can be judged only according to the turning angle of the front wheel of the vehicle, the automatic control of the steering lamp of the vehicle is realized, the problem of high cost in the control of the steering lamp of the vehicle can be solved, and the control reliability of the steering lamp of the vehicle is improved.
Description
Technical Field
The invention belongs to the technical field of vehicle steering lamp control, and particularly relates to a steering lamp control method and device based on wheel turning angles.
Background
With the development of science and technology, the manufacturing cost of automobiles is reduced and the living standard of people is improved, the holding capacity of automobiles is larger and larger, particularly passenger cars, and drivers need to have good operation and judgment capability in driving the automobiles. However, for some drivers, the positions of the wheels cannot be correctly determined due to insufficient experience or other reasons during driving, and often forget to turn on the turn signal lights, so that the vehicle cannot be well operated, the wear of the wheels is increased, and even serious traffic accidents can be caused.
Chinese patent application publication No. CN107128243A discloses an automatic control system for a vehicle turn signal, which comprises a left wheel angle sensor, a steering wheel left angle sensor, a right wheel angle sensor, a steering wheel right angle sensor, a driving mode switching module, a left automatic control unit and a right automatic control unit, and determines the turning of the vehicle by detecting the turning of the steering wheel, the turning angle of the left wheel and the turning angle of the right wheel, thereby realizing the automatic control of the vehicle turn signal.
In the technical solution disclosed in the above patent application, the steering information of the vehicle can be determined by simultaneously collecting the rotation angle of the steering wheel and the rotation angle of the vehicle, so that an angle sensor for detecting the steering of the steering wheel needs to be provided, and thus the following problems are caused:
(1) The arrangement of an angle sensor for detecting a steering wheel requires additional cost, and increases the cost for controlling a vehicle steering lamp;
(2) The number of the arranged sensors is large, once the angle sensor for detecting the steering wheel breaks down, the steering of the vehicle cannot be detected, and the reliability of controlling the steering lamp of the vehicle is reduced.
Disclosure of Invention
The invention aims to provide a steering lamp control method and device based on wheel rotation angles, which are used for solving the problems of high cost and low reliability when a vehicle steering lamp is controlled in the prior art.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a steering lamp control method based on wheel rotation angles comprises the following steps:
detecting the turning angle of the front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment;
if the current moment of the front wheel of the vehicle is turned to the left, and meanwhile, the current moment of the front wheel is larger than the first rotation angle threshold value and larger than the rotation angle at the last detection moment, a left steering lamp of the vehicle is controlled to be turned on;
and if the current moment of the front wheels of the vehicle is steered to the right, and meanwhile, the turning angle of the current moment of the front wheels is larger than the second turning angle threshold value and larger than the turning angle detected last time, controlling a right turning lamp of the vehicle to be turned on.
According to the technical scheme provided by the invention, the steering of the vehicle can be judged only according to the turning angle of the front wheels of the vehicle, the automatic control of the steering lamp of the vehicle is realized, and an angle sensor for detecting the turning angle of a steering wheel is not required to be arranged, so that the cost for controlling the steering lamp of the vehicle can be reduced, and the problem of high cost for controlling the steering lamp of the vehicle is solved; and the signal quantity according to when judging that the vehicle turns to is less, and the signal is difficult for receiving the interference, can improve the reliability to the vehicle indicator control.
Further, the method also comprises the following steps:
detecting the gear of the vehicle and the state of a steering lamp at the current moment;
and if the gear of the vehicle at the current moment is a forward gear and the steering lamp is in a closed state, executing the steering lamp control method based on the wheel rotation angle.
When the steering lamp control method based on the wheel rotation angle is executed, the gear position of the vehicle and the state of the steering lamp are detected firstly, so that the control error of the steering lamp can be prevented, and the control reliability of the steering lamp is improved.
Further, the first rotation angle threshold and the second rotation angle threshold are equal.
The first turning angle threshold value is equal to the second turning angle threshold value, and the control of the left turning lamp and the right turning lamp of the vehicle is more balanced.
Further, the step of judging the current steering of the front wheels of the vehicle according to the current turning angle of the front wheels of the vehicle comprises the following steps:
if the turning angle of the left front wheel of the vehicle at the current moment is larger than that of the right front wheel, the turning angle of the front wheel of the vehicle at the current moment is judged to be left;
and if the turning angle of the right front wheel is larger than that of the left front wheel at the current moment of the vehicle, judging that the turning angle of the front wheel of the vehicle at the current moment is right.
The steering of the vehicle is judged according to the steering angle of the left front wheel and the steering angle of the right front wheel, and the judging method is simple.
A turn signal control device based on wheel rotation angle comprises a processor and a memory; the processor is connected with a corner sensor and is provided with an interface for connecting a control end of the vehicle steering lamp; the corner sensor is arranged on the front wheel of the vehicle, detects the corner of the front wheel of the vehicle and sends the corner to the processor; the memory having stored thereon a computer program for execution on the processor; when the processor executes the computer program, the following control steps are executed:
detecting the turning angle of the front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment;
if the current moment of the front wheel of the vehicle is turned to the left, and meanwhile, the current moment of the front wheel is larger than the first rotation angle threshold value and larger than the rotation angle at the last detection moment, a left steering lamp of the vehicle is controlled to be turned on;
and if the current turning of the front wheels of the vehicle is towards the right, and the turning angle of the front wheels at the current time is larger than the second turning angle threshold value and larger than the turning angle detected at the last time, controlling a right turning lamp of the vehicle to be turned on.
According to the technical scheme provided by the invention, the steering of the vehicle can be judged only according to the turning angle of the front wheels of the vehicle, the automatic control of the steering lamp of the vehicle is realized, and an angle sensor for detecting the turning angle of a steering wheel is not required to be arranged, so that the cost for controlling the steering lamp of the vehicle can be reduced, and the problem of high cost for controlling the steering lamp of the vehicle is solved; and the signal quantity according to when judging that the vehicle turns to is less, is difficult to be disturbed, and can improve the reliability of controlling the vehicle turn light.
Further, the processor is further configured to perform the steps of:
detecting the gear position of the vehicle and the state of a steering lamp at the current moment;
and if the gear of the vehicle at the current moment is a forward gear and the steering lamp is in a closed state, executing the steering lamp control method based on the wheel rotation angle.
When the steering lamp control method based on the wheel rotation angle is executed, the gear position of the vehicle and the state of the steering lamp are detected firstly, so that the control error of the steering lamp can be prevented, and the control reliability of the steering lamp is improved.
Further, the first rotation angle threshold and the second rotation angle threshold are equal.
The first turning angle threshold value is equal to the second turning angle threshold value, and the control of the left turning lamp and the right turning lamp of the vehicle is more balanced.
Further, the corner sensor comprises a left corner sensor arranged on the left front wheel of the vehicle and a right corner sensor arranged on the right front wheel of the vehicle, the left corner sensor is used for detecting the corner of the left front wheel of the vehicle, and the right corner sensor is used for detecting the corner of the right front wheel of the vehicle; the processor is further configured to execute a step of determining a current steering direction of the front wheel of the vehicle according to a current turning angle of the front wheel of the vehicle, where the step is:
if the turning angle of the left front wheel of the vehicle at the current moment is larger than that of the right front wheel, the turning angle of the front wheel of the vehicle at the current moment is judged to be left;
and if the turning angle of the right front wheel is larger than that of the left front wheel at the current moment of the vehicle, judging that the turning angle of the front wheel of the vehicle at the current moment is towards the right.
The steering of the vehicle is judged according to the steering angle of the left front wheel and the steering angle of the right front wheel, and the judging method is simple.
Drawings
Fig. 1 is a schematic diagram of a steering lamp control device based on wheel rotation angle in an embodiment of the device of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments.
The embodiment of the device is as follows:
the embodiment provides a steering lamp control device based on wheel rotation angles, which is used for judging the steering of a vehicle according to the wheel rotation angles so as to realize the automatic control of the steering lamp of the vehicle.
The steering lamp control device based on the wheel rotation angle provided by the embodiment has the structural principle as shown in fig. 1, and comprises a processor, wherein the processor is connected with a memory, a left rotation angle sensor and a right rotation angle sensor, and is provided with a control interface for connecting a control end of the vehicle steering lamp.
The left turning angle sensor is arranged on a left front wheel of the vehicle and used for detecting a turning angle of the left front wheel of the vehicle and sending the turning angle to the processor; the right rotation angle sensor is arranged at the right front wheel of the vehicle and used for detecting the rotation angle of the right front wheel of the vehicle and sending the rotation angle to the processor.
The memory stores a computer program for execution on the processor, which when executed by the processor implements a turn signal control method based on a wheel angle.
In this embodiment, when the processor executes the computer program stored in the memory, the method for controlling the turn signal lamp based on the wheel turning angle is implemented as follows:
(1) Detecting the turning angle of the front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment;
in this embodiment, the steering of the front wheel of the vehicle at the current time is determined according to the turning angles of the front wheels at the current time, specifically:
acquiring a corner of a left front wheel of the vehicle at the current moment through a left corner sensor, and acquiring a corner of a right front wheel of the vehicle at the current moment through a right corner sensor;
if the turning angle of the left front wheel of the vehicle is larger than that of the right front wheel at the current moment, judging that the current steering of the front wheel of the vehicle is left;
and if the turning angle of the right front wheel of the vehicle at the current moment is larger than that of the left front wheel, judging that the current steering of the front wheel of the vehicle is right.
As another embodiment, the steering of the front wheels of the vehicle at the current time may be determined only by the left or right steering angle sensor, such as by the current direction of change of the steering angle of the corresponding wheel detected by the left or right steering angle sensor.
(2) If the current turning of the front wheels of the vehicle is left, judging whether the current turning angle of the front wheels of the vehicle is larger than a first turning angle threshold value or not and whether the current turning angle of the front wheels of the vehicle is larger than the turning angle of the previous detection time or not;
if the turning angle of the left front wheel of the vehicle at the current moment is larger than the first turning angle threshold value and the turning angle of the left front wheel of the vehicle at the current moment is larger than the turning angle at the last detection moment, judging that the vehicle is turning left at the current moment, and sending a control signal to a steering lamp of the vehicle through a control interface to control the turning on of the left steering lamp of the vehicle;
if the steering of the front wheel of the vehicle at the current moment is right, judging whether the steering angle of the front wheel of the vehicle at the current moment is larger than a second steering angle threshold value or not and whether the steering angle of the front wheel of the vehicle at the current moment is larger than the steering angle of the previous detection moment or not;
if the turning angle of the right front wheel of the vehicle at the current moment is larger than the second turning angle threshold value and the turning angle of the right front wheel of the vehicle at the current moment is larger than the turning angle at the last detection moment, the fact that the vehicle is turning right at the current moment is judged, and a control signal is sent to a steering lamp of the vehicle through a control interface to control the turning on of the right steering lamp of the vehicle.
In order to ensure the balance of the vehicle steering, the first rotation angle threshold value and the second rotation angle threshold value are equal to each other and are 5 degrees.
In the embodiment, the left turning angle sensor and the right turning angle sensor are arranged at the same time, so that when the steering of the front wheels of the vehicle is judged, the judgment is carried out according to signals detected by the left turning angle sensor and the right turning angle sensor. As another embodiment, the following description will be given taking as an example the case where the steering at the current time of the front wheels of the vehicle is determined only from the signal detected by the left turn angle sensor or the right turn angle sensor:
if the current turning of the front wheels of the vehicle is left, judging whether the current turning angle of the front wheels of the vehicle is larger than a first turning angle threshold value or not and whether the current turning angle of the front wheels of the vehicle is larger than the turning angle of the previous detection time or not;
if the turning angle of the left front wheel of the vehicle at the current moment is larger than the first turning angle threshold value and the turning angle of the left front wheel of the vehicle at the current moment is larger than the turning angle at the last detection moment, judging that the vehicle is turning left at the current moment, and sending a control signal to a steering lamp of the vehicle through a control interface to control the turning on of the left steering lamp of the vehicle;
if the current steering of the front wheel of the vehicle is right, judging whether the current steering angle of the front wheel of the left vehicle is larger than a second steering angle threshold value or not and whether the current steering angle of the front wheel of the left vehicle is larger than the steering angle of the last detection moment or not;
if the turning angle of the left front wheel of the vehicle at the current moment is larger than the second turning angle threshold value and the turning angle of the left front wheel of the vehicle at the current moment is larger than the turning angle at the last detection moment, the fact that the vehicle is turning right at the current moment is judged, and a control signal is sent to a steering lamp of the vehicle through a control interface to control the turning-on of the right steering lamp of the vehicle.
In order to ensure the running safety of the vehicle, the processor is further provided with an interface for connecting the vehicle gear controller and an interface for acquiring a steering lamp state signal, the processor judges the running state of the vehicle according to information received from the interface for connecting the vehicle gear controller and the interface for acquiring the steering lamp state signal, and whether the steering lamp control method based on the wheel turning angle is executed or not is carried out according to the judgment of the running state of the vehicle, and the method is specifically characterized in that:
judging whether the gear of the vehicle at the current moment is a forward gear or not and whether the state of a vehicle steering lamp at the current moment is an off state or not;
and if the current gear of the vehicle is a forward gear and the current state of the vehicle steering lamp is an off state, executing the steering lamp control method based on the wheel rotation angle.
In the steering lamp control device based on the wheel rotation angle, the processor is further provided with an interface for communication connection with a vehicle instrument, when the processor judges the steering information of the front wheels of the vehicle and the direction of the front wheels of the vehicle, the steering information of the current vehicle and the direction of the front wheels of the vehicle are sent to the instrument of the vehicle, and the instrument displays the steering information of the current vehicle and the direction of the front wheels of the vehicle.
In the embodiment, when the front wheel of the vehicle is detected, in order to ensure the accuracy of the detection result, the interval duration between two detections is not more than the set time.
The method comprises the following steps:
the present embodiment provides a method for controlling a steering lamp based on a wheel turning angle, which is the same as the method for controlling a steering lamp based on a wheel turning angle, implemented when a processor executes a computer program stored in a memory in the above-mentioned apparatus embodiment.
The present invention has been described in relation to particular embodiments thereof, but the invention is not limited to the described embodiments. In the thought given by the present invention, the technical means in the above embodiments are changed, replaced, modified in a manner that is easily imaginable to those skilled in the art, and the functions are basically the same as the corresponding technical means in the present invention, and the purpose of the invention is basically the same, so that the technical scheme formed by fine tuning the above embodiments still falls into the protection scope of the present invention.
Claims (8)
1. A steering lamp control method based on wheel rotation angles is characterized by comprising the following steps:
detecting a turning angle of a front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment;
if the current moment of the front wheels of the vehicle turns to the left, and the current moment of the front wheels turns a corner which is larger than a first turning angle threshold value and larger than the last turning angle at the moment of detection, controlling a left turning lamp of the vehicle to be turned on;
and if the steering of the front wheels of the vehicle at the current moment is rightward and the turning angle of the front wheels at the current moment is larger than the second turning angle threshold value and larger than the turning angle at the last detection moment, controlling a right steering lamp of the vehicle to be turned on.
2. The steering lamp control method based on the wheel turning angle according to claim 1, characterized by further comprising the steps of:
detecting the gear of the vehicle and the state of a steering lamp at the current moment;
and if the gear of the vehicle at the current moment is a forward gear and the steering lamp is in a closed state, executing the steering lamp control method based on the wheel rotation angle.
3. The wheel-corner-based steering lamp control method according to claim 1, wherein the first and second corner threshold values are equal.
4. The method for controlling a turn signal lamp based on the wheel turn according to claim 1, wherein the step of judging the current turn of the front wheel of the vehicle according to the turn signal of the front wheel of the vehicle at the current moment is as follows:
if the turning angle of the left front wheel of the vehicle at the current moment is larger than that of the right front wheel, the turning angle of the front wheel of the vehicle at the current moment is judged to be left;
and if the turning angle of the right front wheel is larger than that of the left front wheel at the current moment of the vehicle, judging that the turning angle of the front wheel of the vehicle at the current moment is towards the right.
5. A turn signal control device based on wheel rotation angle comprises a processor and a memory; the processor is connected with a corner sensor and is provided with an interface for connecting a control end of the vehicle steering lamp; the corner sensor is arranged on the front wheel of the vehicle, detects the corner of the front wheel of the vehicle and sends the corner to the processor; the memory having stored thereon a computer program for execution on the processor; wherein the processor executes the computer program by executing the following control steps: detecting a turning angle of a front wheel of the vehicle at the current moment, and judging the turning direction of the front wheel of the vehicle at the current moment according to the turning angle of the front wheel of the vehicle at the current moment;
if the current moment of the front wheels of the vehicle turns to the left, and the current moment of the front wheels turns a corner which is larger than a first turning angle threshold value and larger than the last turning angle at the moment of detection, controlling a left turning lamp of the vehicle to be turned on;
and if the current turning of the front wheels of the vehicle is towards the right, and the turning angle of the front wheels at the current moment is larger than the second turning angle threshold value and larger than the turning angle at the last detection moment, controlling a right turning lamp of the vehicle to be turned on.
6. The wheel angle-based turn signal control device of claim 5, wherein the processor is further configured to perform the steps of:
detecting the gear of the vehicle and the state of a steering lamp at the current moment;
and if the gear of the vehicle at the current moment is a forward gear and the steering lamp is in a closed state, executing the steering lamp control method based on the wheel rotation angle.
7. The wheel angle-based turn signal control apparatus according to claim 5, wherein the first and second rotation angle thresholds are equal.
8. The wheel-corner-based steering lamp control device according to claim 5, wherein the corner sensor includes a left corner sensor for detecting a corner of a left front wheel of the vehicle and a right corner sensor for detecting a corner of a right front wheel of the vehicle, the left corner sensor being provided at the left front wheel of the vehicle; the processor is also used for executing the step of judging the current steering of the front wheel of the vehicle according to the current turning angle of the front wheel of the vehicle, and the step is as follows:
if the turning angle of the left front wheel of the vehicle at the current moment is larger than that of the right front wheel, the turning angle of the front wheel of the vehicle at the current moment is judged to be left;
and if the turning angle of the right front wheel is larger than that of the left front wheel at the current moment of the vehicle, judging that the turning angle of the front wheel of the vehicle at the current moment is towards the right.
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| CN201811417276.4A CN111216622B (en) | 2018-11-26 | 2018-11-26 | Steering lamp control method and device based on wheel turning angle |
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| CN201811417276.4A CN111216622B (en) | 2018-11-26 | 2018-11-26 | Steering lamp control method and device based on wheel turning angle |
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| TWI566964B (en) * | 2014-11-05 | 2017-01-21 | 國立屏東科技大學 | Adaptive front light heading direction system |
| KR20170064916A (en) * | 2015-12-02 | 2017-06-12 | 현대자동차주식회사 | Method for controlling four wheels of vehicle |
| US20170341915A1 (en) * | 2016-05-31 | 2017-11-30 | Komatsu Ltd. | Work vehicle and work vehicle control method |
| CN106240727A (en) * | 2016-09-19 | 2016-12-21 | 宁波斯普锐汽车部件有限公司 | A kind of steering control system of independent suspension |
| CN106976427A (en) * | 2017-02-23 | 2017-07-25 | 西华大学 | Motor turning car light following control system |
| CN107128243B (en) * | 2017-05-30 | 2019-03-15 | 罗醒江 | A kind of vehicle turn signal automatic control system |
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| CN102951075A (en) * | 2011-08-26 | 2013-03-06 | 上海汽车集团股份有限公司 | Method for controlling automatic turning-on of steering lamp |
| CN204020698U (en) * | 2014-07-25 | 2014-12-17 | 北汽福田汽车股份有限公司 | The prompt system of Vehicular turn and there is its automobile |
| KR20160111147A (en) * | 2015-03-16 | 2016-09-26 | 남양공업주식회사 | Apparatus and method for automatically controling turn signal light of vehicle |
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Address after: No. 6, Yutong Road, Guancheng Hui District, Zhengzhou, Henan 450061 Applicant after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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