CN116279131A - Automobile rearview mirror control method and system - Google Patents
Automobile rearview mirror control method and system Download PDFInfo
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- CN116279131A CN116279131A CN202310258383.1A CN202310258383A CN116279131A CN 116279131 A CN116279131 A CN 116279131A CN 202310258383 A CN202310258383 A CN 202310258383A CN 116279131 A CN116279131 A CN 116279131A
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- rearview mirror
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 210000003128 head Anatomy 0.000 claims abstract description 39
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 38
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 5
- 230000001815 facial effect Effects 0.000 claims description 4
- 230000004418 eye rotation Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
- B60R1/07—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators
- B60R1/072—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by electrically powered actuators for adjusting the mirror relative to its housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/29—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area inside the vehicle, e.g. for viewing passengers or cargo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The invention provides a control method and a system for an automobile rearview mirror, which belong to the technical field of automobiles, wherein the method comprises the following steps: storing driving calibration data of a driver to form a memory of the driver; collecting eyeball and head tracking data of a driver, and matching a corresponding rearview mirror turning angle characteristic curve according to the eyeball rotation travel and the head swing angle; and calculating the required turning angle of the rearview mirror according to the characteristic curve and issuing control information. The registration link, the calibration link and the driving link of the invention track the eyeballs and the heads of the driver through the DMS (driver monitoring system) of the cabin domain controller, and the left/right rearview mirror overturning angles are obtained through internal calculation, thereby realizing that the rearview mirrors automatically control the overturning angles of the rearview mirrors to feed back to the driver to complete rear view of the vehicle along with the intention of the driver in the driving process.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to an automobile rearview mirror control method and system.
Background
In the running process of the automobile, the rearview mirror provides a rear view for a driver, is particularly important in running safety, but the rearview mirror always has a blind area in the running process, the current automobile rearview mirror scheme generally adopts blind area indicator lamps embedded in a rearview mirror lens to alert the driver that the blind area behind the automobile is provided with a vehicle or an obstacle and the like for coping with blind area obstacles, and in addition, the intelligent scene of the automobile is continuously improved by the driver along with popularization of the intelligent scene of the automobile, and more requirements are also provided for running safety and better automobile production cost.
Disclosure of Invention
The invention provides a control method and a control system for an automobile rearview mirror.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a control method for an automobile rearview mirror, comprising the steps of:
storing driving calibration data of a driver to form a memory of the driver;
collecting eyeball and head tracking data of a driver, and matching a corresponding rearview mirror turning angle characteristic curve according to the eyeball rotation travel and the head swing angle;
and calculating the required turning angle of the rearview mirror according to the characteristic curve and issuing control information.
Preferably, the driving calibration data of the driver are saved to form a memory of the driver, comprising the following steps:
the facial features of the driver are acquired to generate a unique ID, and an account is created accordingly.
Preferably, the method collects eyeball and head tracking data of a driver, and matches a corresponding rearview mirror turning angle characteristic curve according to eyeball rotation travel and head swing angle, and comprises the following steps:
before driving, a driver looks right ahead to start calibrating the rearview mirror;
the driver adjusts the angle of the rearview mirror, and acquires the eyeball rotation stroke and the head swing angle of the driver until the angle adjustment of the rearview mirror is completed;
a characteristic curve is formed based on the mirror angle, the eye rotation stroke, and the head swing angle, the characteristic curve being bound to the unique ID of the driver.
Preferably, the required turning angle of the rearview mirror is calculated according to the characteristic curve and control information is issued, and the method comprises the following steps:
during driving, detecting a movement of a driver to shift left or right;
capturing left or right rotation stroke of eyeballs of a driver and left or right swing angle of the head;
acquiring a corresponding characteristic curve based on the eyeball rotation travel and the head swing angle of the driver;
and adjusting the turning angle of the rearview mirror based on the characteristic curve.
A rearview mirror control system for an automobile is provided for executing a rearview mirror control method.
Preferably, the automobile rearview mirror control system comprises a camera assembly, a cabin area controller, a rearview mirror control switch, a rearview mirror controller, a whole vehicle controller and left and right rearview mirror assemblies;
the camera assembly is used for collecting tracking data of eyeballs and heads of a driver;
the cockpit area controller is used for storing the unique ID of a driver, calibration and calculation of eyeball and head tracking data;
the rearview mirror control switch is used for providing simulation input of rearview mirror overturning control for the rearview mirror controller;
the rearview mirror controller is used for controlling the angle of the rearview mirror;
the whole vehicle controller is used for receiving the instruction of the cabin area controller and issuing the instruction to the rearview mirror controller;
the left and right rearview mirror assemblies are used for providing left/right rear view of the vehicle.
Preferably, the rear view mirror controller includes a control unit and a left/right micro motor;
the control power supply is used for acquiring analog input of the rearview mirror controller;
the left/right micro motor is used for controlling the rearview mirror to turn over.
Preferably, the camera assembly comprises a camera and an infrared sensor; the camera is used for capturing head tracking data of a driver, and the sensor is used for capturing tracking data of eyeballs of the driver.
Preferably, the camera is a DMS camera.
Preferably, the rearview mirror control switch is one of a button, a knob, a touch screen key or voice recognition.
The invention has the beneficial effects that:
1. the registration link, the calibration link and the driving link of the invention track the eyeballs and the heads of the driver through a DMS (driver monitoring system) of a cabin domain controller, and obtain the turning angle of the left/right rearview mirror through internal calculation, thereby realizing that the rearview mirror automatically controls the turning angle of the rearview mirror to feed back to the complete rear view of the vehicle of the driver along with the intention of the driver in the driving process;
2. the invention can correlate the rotation of the rearview mirror with the visual direction of a driver in the driving process, thereby obtaining a complete rear view of the vehicle, greatly improving the driving safety, bringing better cost advantage to cancel the blind zone indicator lamp, and further improving the intellectualization of the automobile.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a flow chart of a method of controlling an automobile rearview mirror in accordance with the present invention;
fig. 2 shows a structural diagram of a control system for an automobile rearview mirror according to the present invention.
In the figure: 1. a camera assembly; 2. a cabin domain controller; 3. a rearview mirror control switch; 4. a rearview mirror controller; 5. a vehicle controller; 6. left and right rearview mirror assemblies.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The automobile rearview mirror control method is shown in fig. 1, and the specific scheme of the automobile rearview mirror control method comprises a registration link S1, a calibration link S2 and a driving link S3, and comprises the following steps:
s1: storing driving calibration data of a driver to form a memory of the driver;
s2: collecting eyeball and head tracking data of a driver, and matching a corresponding rearview mirror turning angle characteristic curve according to the eyeball rotation travel and the head swing angle;
s3: and calculating the required turning angle of the rearview mirror according to the characteristic curve and issuing control information.
Further, in the registration step S1, the following steps are included:
s101: the facial features of the driver are acquired to generate a unique ID, and an account is created accordingly.
In the registration step S1, ID registration can be performed on a specific driver according to actual requirements, and each car can bind a plurality of drivers and form a plurality of IDs, so that the vehicle can be automatically switched to the corresponding IDs according to the drivers during driving, and the vehicle is more intelligent.
Further, in the calibration step S2, the method includes the following steps:
s201: before driving, a driver looks right ahead to start calibrating the rearview mirror;
s202: the driver adjusts the angle of the rearview mirror, and acquires the eyeball rotation stroke and the head swing angle of the driver until the angle adjustment of the rearview mirror is completed;
s203: and forming a characteristic curve based on the rearview mirror angle, the eyeball rotation stroke and the head swing angle, wherein the characteristic curve is bound with the unique ID of the driver.
In the calibration link S2, the characteristic curve has an eyeball rotation travel and a head swing angle as basic elements, and the characteristic curve can be invoked in a subsequent driving process to meet the rotation requirement of the rearview mirror.
Further, in the driving link S3, the following steps are included:
s301: during driving, detecting a movement of a driver to shift left or right;
s302: capturing left or right rotation stroke of eyeballs of a driver and left or right swing angle of the head;
s303: acquiring a corresponding characteristic curve based on the eyeball rotation travel and the head swing angle of the driver;
s304: and adjusting the turning angle of the rearview mirror based on the characteristic curve.
In the driving process, since the characteristic curve is already bound with the ID, the eyeball rotation travel and the head swing angle of the driver correspond to the characteristic curve, and then the rearview mirror is adjusted according to the data of the characteristic curve. The characteristic curve is to form coordinate points according to the eyeball stroke and the swinging angle, and the rotating angles of the left rearview mirror and the right rearview mirror are calibrated according to the coordinate points, wherein the points are in a first-order linear relation.
An automobile rearview mirror control system for executing the automobile rearview mirror control method is shown in fig. 2, and comprises a camera assembly 1, a cabin area controller 2, a rearview mirror control switch 3, a rearview mirror controller 4, a whole automobile controller 5 and left and right rearview mirror assemblies 6; the camera assembly 1 is used for collecting tracking data of eyeballs and heads of a driver; a cockpit area controller 2 for storing a unique ID of a driver, calibration and calculation of eyeball and head tracking data; a rearview mirror control switch 3 for providing an analog input of a rearview mirror flip control to a rearview mirror controller 4; a rearview mirror controller 4 for controlling a rearview mirror angle; and the mirror controller 4 includes a control unit and a left/right micro motor; the control power supply is used for acquiring analog input of the rearview mirror control switch 3; the left/right micro motor is used for controlling the rearview mirror to turn over. The whole vehicle controller 5 is used for receiving the instruction of the cabin area controller 2 and issuing the instruction to the rearview mirror controller 4; left and right mirror assemblies 6, driven by the mirror controller 4, provide a left/right rear view of the vehicle.
Further, the camera assembly 1 includes a camera for capturing head tracking data of the driver and an infrared sensor for capturing the tracking data of the eyeball of the driver, wherein the camera is a DMS (driver monitoring system) camera.
Further, the rearview mirror control switch 3 is one of a button, a knob, a touch screen key, or voice recognition. It should be noted that, the control mode of the rearview mirror control switch 3 can be selected according to the needs, wherein the voice recognition can also be combined with the mode of buttons, knobs or touch screen keys for use, so that the control method is more intelligent.
The operation of the present invention will be described with reference to fig. 1 and 2:
registration step S1:
1. the cockpit area controller 2 obtains the facial features of the driver through the camera assembly 1 to generate a unique ID, an account number is created according to the unique ID, and the data of the calibration link are bound with the account number of the unique ID and stored in the cockpit area controller 2.
And (3) calibrating:
1. the cabin domain controller 2 reminds the driver to adjust the sitting posture and visually starts the calibration right in front, and issues a calibration start instruction to the rearview mirror controller 4 at the same time.
2. The cabin area controller 2 reminds the driver of turning the eyeballs and swinging the head, and the driver starts to operate the rearview mirror control switch 3.
3. The rearview mirror controller 4 converts and calculates a turnover angle according to the analog signal input by the rearview mirror control switch 3, and controls the micro motor to rotate through the turnover angle.
4. The left and right rearview mirror assemblies 6 perform turning operation of the rearview mirrors according to rotation of the micro motor.
5. After the driver controls the rearview mirror control switch 3 to obtain a proper rearview mirror angle, the cabin domain controller 2 selects calibration to finish. After receiving the calibration completion operation of the driver, the cabin domain controller 2 issues a calibration end instruction to the rearview mirror controller 4.
6. And the rearview mirror controller 4 uploads the current rearview mirror turning angle to the cockpit area controller 2 after receiving the calibration ending instruction of the cockpit area controller 2.
7. The cabin domain controller 2 receives the rearview mirror turning angle of the rearview mirror controller 4, combines the eyeball stroke and the swing angle to form a characteristic curve, and stores the characteristic curve in the unique ID of the driver.
And (3) driving links:
1. the cabin domain controller 2 captures driver eye and head changes through the DMS camera assembly 1 during driving.
2. The passenger compartment controller 2 performs internal characteristic curve calculation on the data acquired through the DMS camera assembly 1, calculates the turning angle of the left rear view mirror through the characteristic curve, and sends the turning angle of the left rear view mirror to the rear view mirror controller 4.
3. The rearview mirror controller 4 receives the left rearview mirror overturning angle information of the cabin area controller 2 and then controls the micro motor of the left rearview mirror to rotate.
4. The micro motor of the left rearview mirror rotates to adjust the assembly of the left rearview mirror to a target overturning angle.
5. The passenger compartment controller 2 performs internal characteristic curve calculation on the data acquired through the DMS camera assembly 1, calculates the turning angle of the right rear view mirror through the characteristic curve, and sends the turning angle of the right rear view mirror to the rear view mirror controller 4.
6. The rearview mirror controller 4 receives the turning angle information of the right rearview mirror of the cabin area controller 2 and then controls the micro motor of the right rearview mirror to rotate. The micro motor of the right rearview mirror rotates to adjust the assembly of the right rearview mirror to a target overturning angle.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A control method for an automobile rearview mirror, comprising the steps of:
storing driving calibration data of a driver to form a memory of the driver;
collecting eyeball and head tracking data of a driver, and matching a corresponding rearview mirror turning angle characteristic curve according to the eyeball rotation travel and the head swing angle;
and calculating the required turning angle of the rearview mirror according to the characteristic curve and issuing control information.
2. A control method of a rear view mirror for a vehicle according to claim 1, wherein the driver driving calibration data is stored to form a memory for the driver, comprising the steps of:
the facial features of the driver are acquired to generate a unique ID, and an account is created accordingly.
3. The control method of an automobile rearview mirror according to claim 2, wherein the method for acquiring eyeball and head tracking data of a driver and matching a corresponding rearview mirror turning angle characteristic curve according to eyeball turning travel and head swinging angle comprises the following steps:
before driving, a driver looks right ahead to start calibrating the rearview mirror;
the driver adjusts the angle of the rearview mirror, and acquires the eyeball rotation stroke and the head swing angle of the driver until the angle adjustment of the rearview mirror is completed;
a characteristic curve is formed based on the mirror angle, the eye rotation stroke, and the head swing angle, the characteristic curve being bound to the unique ID of the driver.
4. A control method of an automobile rearview mirror according to claim 3, wherein the required rearview mirror turning angle is calculated according to a characteristic curve and control information is issued, comprising the steps of:
during driving, detecting a movement of a driver to shift left or right;
capturing left or right rotation stroke of eyeballs of a driver and left or right swing angle of the head;
acquiring a corresponding characteristic curve based on the eyeball rotation travel and the head swing angle of the driver;
and adjusting the turning angle of the rearview mirror based on the characteristic curve.
5. A rearview mirror control system for a vehicle, characterized by being adapted to perform the rearview mirror control method of any one of claims 1-4.
6. The automobile rearview mirror control system as claimed in claim 5, comprising a camera assembly (1), a cabin domain controller (2), a rearview mirror control switch (3), a rearview mirror controller (4), a whole automobile controller (5) and left and right rearview mirror assemblies (6);
the camera assembly (1) is used for collecting tracking data of eyeballs and heads of a driver;
the cockpit area controller (2) is used for storing the unique ID of a driver, calibration and calculation of eyeball and head tracking data;
the rearview mirror control switch (3) is used for providing analog input of rearview mirror overturning control for the rearview mirror controller (4);
the rearview mirror controller (4) is used for controlling the angle of the rearview mirror;
the whole vehicle controller (5) is used for receiving the instruction of the cabin area controller (2) and issuing the instruction to the rearview mirror controller (4);
the left and right rearview mirror assemblies (6) are used for providing left/right rear view of the vehicle.
7. A vehicle mirror control system according to claim 6, characterized in that the mirror controller (4) comprises a control unit and a left/right micro motor;
the control power supply is used for acquiring analog input of the rearview mirror control switch (3);
the left/right micro motor is used for controlling the rearview mirror to turn over.
8. A control system for a wing mirror of a motor vehicle according to claim 6, characterized in that the camera assembly (1) comprises a camera and an infrared sensor; the camera is used for capturing head tracking data of a driver, and the sensor is used for capturing tracking data of eyeballs of the driver.
9. The automobile rearview mirror control system of claim 8, wherein said camera is a DMS camera.
10. A control system for a wing mirror according to claim 6, characterised in that the wing mirror control switch (3) is one of a push button, a knob, a touch screen key or speech recognition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310258383.1A CN116279131A (en) | 2023-03-14 | 2023-03-14 | Automobile rearview mirror control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310258383.1A CN116279131A (en) | 2023-03-14 | 2023-03-14 | Automobile rearview mirror control method and system |
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| Publication Number | Publication Date |
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| CN116279131A true CN116279131A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310258383.1A Pending CN116279131A (en) | 2023-03-14 | 2023-03-14 | Automobile rearview mirror control method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117984897A (en) * | 2024-04-02 | 2024-05-07 | 长城汽车股份有限公司 | Vehicle rearview mirror control method and device, vehicle and storage medium |
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2023
- 2023-03-14 CN CN202310258383.1A patent/CN116279131A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117984897A (en) * | 2024-04-02 | 2024-05-07 | 长城汽车股份有限公司 | Vehicle rearview mirror control method and device, vehicle and storage medium |
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