Vehicle nighttime meeting control method, device, storage medium and vehicle

Abstract

The present application provides a method, device, storage medium and vehicle for controlling a vehicle meeting at night. The method includes: detecting whether the vehicle is in a night-time meeting condition; if the vehicle is detected to be in a night-time meeting condition, obtaining the driver's driving status; if the driver's driving status is a drivable state, sending a first control signal to the night vision system, the first control signal is used to instruct the night vision system to use an infrared camera to detect the surroundings of the vehicle, and send the detection results to a display screen for display; if the driver's driving status is a non-drivable state, then taking corresponding automatic braking measures based on the distance between the vehicle and the vehicle in front. The present application can adopt different control strategies according to the different driving states of the driver when the vehicle is in a night-time meeting condition to ensure driving safety.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a method, device, storage medium and vehicle for controlling vehicle meeting at night. Background Art

[0002] When vehicles meet at night, the oncoming vehicle may forget to turn off the high beam, which may cause the driver to have a brief blurred vision due to looking directly at the high beam, affecting driving safety.

[0003] At present, when vehicles meet at night, they usually only use the front-view camera to obtain road conditions to assist the driver. However, the oncoming vehicle may turn on the high beam. Under strong light, the front-view camera cannot accurately obtain the road conditions ahead. In addition, the driver may have a temporary blurred vision due to looking directly at the high beam, and cannot see the road conditions ahead displayed on the display screen, resulting in the driver being unable to calmly deal with possible unexpected situations, and driving safety is poor. Summary of the invention

[0004] The present application provides a vehicle night-time meeting control method, device, storage medium and vehicle to solve the problem of poor driving safety caused by the inability to accurately obtain the road conditions ahead and the driver's inability to calmly deal with possible unexpected situations.

[0005] In a first aspect, the present application provides a method for controlling a vehicle meeting at night, comprising:

[0006] Detect whether the vehicle is in a night-time meeting condition;

[0007] If it is detected that the vehicle is in a night-time meeting condition, the driving status of the driver is obtained;

[0008] If the driver's driving state is a drivable state, a first control signal is sent to the night vision system, where the first control signal is used to instruct the night vision system to detect the surroundings of the vehicle using an infrared camera and send the detection result to a display screen for display;

[0009] If the driver's driving status is not drivable, corresponding automatic braking measures will be taken based on the distance between the vehicle and the vehicle in front.

[0010] In a possible implementation, based on the distance between the vehicle and the vehicle ahead, corresponding automatic braking measures are taken, including:

[0011] sending a second control signal to a collision prevention system;

[0012] The second control signal is used to instruct the collision prevention system to monitor the distance between the vehicle and the vehicle in front in real time, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing, control the braking system to perform active light braking to slow down the vehicle, and when it is determined that the collision with the vehicle in front is unavoidable, control the braking system to perform active emergency braking to stop the vehicle.

[0013] In one possible implementation, the second control signal is also used to instruct the collision prevention system to remind the driver to pay attention to the distance between the vehicle and the vehicle in front when monitoring the distance between the vehicle and the vehicle in front in real time, to control the seat belt to issue an alarm when controlling the braking system to perform active light braking, and to control the seat belt to tighten when controlling the braking system to perform active emergency braking.

[0014] In a possible implementation, taking corresponding automatic braking measures based on the distance between the vehicle and the preceding vehicle also includes:

[0015] A second control signal is sent to the active cruise control system; the second control signal is used to instruct the active cruise control system to monitor the distance between the vehicle and the vehicle in front in real time, and adjust the vehicle speed according to the distance between the vehicle and the vehicle in front, so that the vehicle maintains a safe distance with the vehicle in front.

[0016] In a possible implementation, when the driver's driving state is a non-drivable state, the vehicle nighttime meeting control method further includes:

[0017] The damping of the steering wheel is controlled to increase, and / or the damping of the accelerator pedal is controlled to increase.

[0018] In a possible implementation, detecting whether the vehicle is in a nighttime meeting condition includes:

[0019] Receiving driver monitoring results sent by a driver monitoring system;

[0020] Receive the road condition monitoring results sent by the intelligent forward-looking control module;

[0021] If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within the first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time period and the growth rate of the picture brightness within the fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night meeting condition.

[0022] In a possible implementation, obtaining the driving state of the driver includes:

[0023] Obtaining steering wheel angle signal and accelerator pedal opening signal;

[0024] If it is detected that the change rate of the steering wheel angle signal within the second preset time period is greater than the preset angle change rate threshold, or it is detected that the change rate of the accelerator pedal opening signal within the third preset time period is greater than the preset opening change rate threshold, the driver's driving state is determined to be an un-drivable state; otherwise, the driver's driving state is determined to be a drivable state.

[0025] In a second aspect, the present application provides a vehicle nighttime meeting control device, comprising:

[0026] The working condition detection module is used to detect whether the vehicle is in a night-time meeting condition;

[0027] A driving status acquisition module is used to acquire the driving status of the driver if it is detected that the vehicle is in a night-time meeting condition;

[0028] A first control module is used for sending a first control signal to a night vision system if the driver's driving state is a drivable state, wherein the first control signal is used to instruct the night vision system to detect the surroundings of the vehicle using an infrared camera and send the detection result to a display screen for display;

[0029] The second control module is used to take corresponding automatic braking measures based on the distance between the vehicle and the vehicle in front if the driver's driving state is an un-drivable state.

[0030] In a possible implementation manner, the second control module is specifically configured to:

[0031] If the driver's driving state is a non-driving state, sending a second control signal to the collision prevention system;

[0032] The second control signal is used to instruct the collision prevention system to monitor the distance between the vehicle and the vehicle in front in real time, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing, control the braking system to perform active light braking to slow down the vehicle, and when it is determined that the collision with the vehicle in front is unavoidable, control the braking system to perform active emergency braking to stop the vehicle.

[0033] In one possible implementation, the second control signal is also used to instruct the collision prevention system to remind the driver to pay attention to the distance between the vehicle and the vehicle in front when monitoring the distance between the vehicle and the vehicle in front in real time, to control the seat belt to issue an alarm when controlling the braking system to perform active light braking, and to control the seat belt to tighten when controlling the braking system to perform active emergency braking.

[0034] In a possible implementation manner, the second control module is further configured to:

[0035] If the driver's driving state is a non-drivable state, a second control signal is sent to the active cruise control system; the second control signal is used to instruct the active cruise control system to monitor the distance between the vehicle and the vehicle in front in real time, and adjust the vehicle's speed according to the distance between the vehicle and the vehicle in front, so that the vehicle maintains a safe distance from the vehicle in front.

[0036] In a possible implementation manner, the second control module is further configured to:

[0037] When the driving state of the driver is a non-drivable state, the damping of the steering wheel is controlled to increase, and / or the damping of the accelerator pedal is controlled to increase.

[0038] In a possible implementation, the operating condition detection module is specifically used to:

[0039] Receiving driver monitoring results sent by a driver monitoring system;

[0040] Receive the road condition monitoring results sent by the intelligent forward-looking control module;

[0041] If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within the first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time period and the growth rate of the picture brightness within the fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night meeting condition.

[0042] In a possible implementation, the driving state acquisition module is further used for:

[0043] Obtaining steering wheel angle signal and accelerator pedal opening signal;

[0044] If it is detected that the change rate of the steering wheel angle signal within the second preset time period is greater than the preset angle change rate threshold, or it is detected that the change rate of the accelerator pedal opening signal within the third preset time period is greater than the preset opening change rate threshold, the driver's driving state is determined to be an un-drivable state; otherwise, the driver's driving state is determined to be a drivable state.

[0045] In a third aspect, the present application provides an electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the steps of the vehicle night meeting control method as described in the first aspect or any possible implementation method of the first aspect are implemented.

[0046] In a fourth aspect, an embodiment of the present application provides a vehicle, comprising the electronic device as described in the third aspect.

[0047] In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, it implements the steps of the vehicle night-time meeting control method described in the first aspect or any possible implementation method of the first aspect.

[0048] The embodiments of the present application provide a method, device, storage medium and vehicle for controlling vehicle meeting at night. When the vehicle is in a night-time meeting condition, different control strategies are adopted according to the different driving states of the driver. When the driver is in a drivable state, that is, the driver can respond calmly, the infrared detection result is displayed on a display screen, so that the driver can drive safely according to the infrared detection result even in the case of strong light on the opposite side. When the driver is in an undrivable state, that is, the driver cannot respond calmly, corresponding automatic braking measures can be taken based on the distance between the current vehicle and the vehicle in front, so as to ensure driving safety when the driver is undriving. The embodiments of the present application can improve driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0050] Figure 1 is a flow chart for implementing a method for controlling a vehicle meeting at night provided in an embodiment of the present application;

[0051] Figure 2 It is a structural schematic diagram of a vehicle night-time meeting control device provided in an embodiment of the present application;

[0052] Figure 3 It is a schematic diagram of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0053] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0054] In order to make the purpose, technical solutions and advantages of the present application clearer, specific embodiments will be described below in conjunction with the accompanying drawings.

[0055] See also Figure 1 , which shows a flow chart of the implementation of the vehicle nighttime meeting control method provided by the embodiment of the present application. The execution subject of the method may be an electronic device, and the electronic device may be a central controller of the vehicle. The method is described in detail as follows:

[0056] In S101 , it is detected whether the vehicle is in a nighttime meeting condition.

[0057] The purpose of this embodiment is to ensure driving safety when the vehicle meets other vehicles at night, so firstly, it is detected whether the vehicle is in a night-time meeting condition. If it is detected that the vehicle is not in a night-time meeting condition, the current state is maintained without performing any additional operations.

[0058] The night-time meeting condition in this embodiment may be a condition in which the brightness of the lights of an oncoming vehicle affects the driving of the driver of the vehicle at night, that is, when there is an oncoming vehicle, the oncoming vehicle turns on its high beam, affecting the driving of the driver of the vehicle.

[0059] In some embodiments, the above S101 may include:

[0060] Receiving driver monitoring results sent by a driver monitoring system (DMS);

[0061] Receive the road condition monitoring results sent by the intelligent forward-looking control module;

[0062] If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within the first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time period and the growth rate of the picture brightness within the fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night meeting condition.

[0063] Among them, DMS can monitor the driver's status in real time. DMS can monitor the driver's facial features in real time to determine whether the driver is in a state of closing eyes, whether the eyes are blocked, etc. Among them, blocked eyes means that the driver actively covers the eyes with his hands or other objects.

[0064] When meeting other vehicles at night, the driver will subconsciously close or cover their eyes when the lights of the oncoming vehicle are dazzling. Therefore, detecting whether the driver is in a closed-eye state or an eye-covered state for a first preset time period can be used as one of the judgment conditions for determining whether the vehicle is in a night-time meeting condition.

[0065] The intelligent front view control module can control the front view camera, which can detect the road conditions in front of the vehicle and oncoming vehicles. When the oncoming vehicle turns on the high beam, the monitoring screen of the front view camera will change from dim light to suddenly strong light, and it will become brighter and brighter. The intelligent front view control module can obtain the road condition monitoring results based on the monitoring screen of the front view camera.

[0066] In this embodiment, if it is detected that the driver monitoring result is that the driver is continuously in a closed-eye state within the first preset time period or the driver is continuously in a state where the eyes are blocked within the first preset time period, and the road condition picture monitoring result is that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time period and the growth rate of the picture brightness within the fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night-time meeting condition; otherwise, it is determined that the vehicle is not in a night-time meeting condition.

[0067] The picture brightness may be the average brightness of the entire picture. Picture brightness lower than the first preset brightness indicates that the picture is dim. Picture brightness higher than the second preset brightness indicates that strong light appears on the picture. The growth rate of the picture brightness within the fifth preset time after reaching the second preset brightness is greater than the preset brightness growth rate threshold, indicating that the picture brightness continues to increase after reaching the second preset brightness. Picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time, and the growth rate of the picture brightness within the fifth preset time after reaching the second preset brightness is greater than the preset brightness growth rate threshold, indicating that the picture changes from dim light to strong light within the fourth preset time, and the strong light continues to become brighter within the fifth preset time after the strong light appears.

[0068] The growth rate of the screen brightness within the fifth preset duration after reaching the second preset brightness = (screen brightness at the end of the fifth preset duration - screen brightness at the beginning of the fifth preset duration) / screen brightness at the beginning of the fifth preset duration. The screen brightness at the beginning of the fifth preset duration is the second preset brightness. The preset brightness growth rate threshold is greater than zero.

[0069] The first preset brightness, the second preset brightness and the preset brightness growth rate threshold can be obtained through calibration.

[0070] The first preset time length, the fourth preset time length and the fifth preset time length can be set or calibrated according to actual conditions, and the three can be the same or different, but are usually a shorter time length, for example, 1 second, and so on.

[0071] In S102, if it is detected that the vehicle is in a nighttime meeting condition, the driving state of the driver is obtained.

[0072] When it is detected that the vehicle is in a night-time meeting condition, different control strategies can be adopted according to the different driving states of the driver.

[0073] The driver's driving state includes a drivable state and a non-drivable state. In the drivable state, the driver can calmly respond to emergencies and can control the vehicle by himself without too much intervention; in the non-drivable state, the driver cannot calmly respond to emergencies and needs to add some automatic intervention measures to ensure driving safety.

[0074] In some embodiments, the “obtaining the driving status of the driver” in S102 may include:

[0075] Obtaining steering wheel angle signal and accelerator pedal opening signal;

[0076] If it is detected that the change rate of the steering wheel angle signal within the second preset time period is greater than the preset angle change rate threshold, or it is detected that the change rate of the accelerator pedal opening signal within the third preset time period is greater than the preset opening change rate threshold, the driver's driving state is determined to be an un-drivable state; otherwise, the driver's driving state is determined to be a drivable state.

[0077] The steering wheel angle signal and the accelerator pedal opening signal can be obtained in real time through the corresponding sensors. If at least one of the two is detected to have a large change rate in a short period of time, it can be determined that the driver is in a non-drivable state; otherwise, it is determined that the driver is in a drivable state.

[0078] The change rate of the steering wheel angle signal within the second preset time length is the absolute value of the change in the steering wheel angle within the second preset time length divided by the second preset time length; the change rate of the accelerator pedal opening signal within the third preset time length is the absolute value of the change in the accelerator pedal opening within the third preset time length divided by the third preset time length.

[0079] The second preset time length and the third preset time length may be the same or different, but both are relatively small values ​​and may be set according to actual conditions. For example, both may be 100 ms.

[0080] The preset turning angle change rate threshold and the preset opening change rate threshold can both be obtained by calibration. For example, the preset turning angle change rate threshold can be 0.3° / ms, and the preset opening change rate threshold can be 0.1° / ms.

[0081] For example, if the steering wheel angle suddenly increases by more than 30° within 100ms or the accelerator pedal opening increases by more than 10° within 100ms, it is determined that the driver is in a non-drivable state; otherwise, it is determined that the driver is in a drivable state.

[0082] In S103, if the driver's driving state is a drivable state, a first control signal is sent to the night vision system, and the first control signal is used to instruct the night vision system to use an infrared camera to detect the surroundings of the vehicle and send the detection result to the display screen for display.

[0083] In a possible implementation, while sending the first control signal to the system, the driver is reminded to watch the display screen.

[0084] When the driver's driving status is drivable, that is, the driver is in a situation where he can respond calmly, at this time, it is only necessary to display the detection results of the night vision system on the display screen and remind the driver to look at the display screen by voice. The driver can respond calmly according to the detection results of the night vision system.

[0085] Among them, the night vision system is one of the subsystems of ADAS (Advanced Driving Assistance System). Its principle is: using the characteristics of humans and animals that can emit far-infrared radiation, a thermal imaging camera (infrared camera) is used to receive infrared signals emitted by these living things, and then output them to the display after amplification and processing. Although this night vision system cannot detect other "inanimate" road environment objects, heating objects such as pedestrians are particularly prominent in the image, and the image contrast is higher.

[0086] The first control signal may carry the driver's driving status. When the night vision system identifies that the driver's driving status is a drivable state, the real-time detection result is sent to the display screen.

[0087] In a possible implementation, if the driver's driving state is a drivable state, a first control signal is sent to the display screen, and the first control signal instructs the display screen to display the detection result sent by the night vision system.

[0088] In some embodiments, when the driver's driving state is a drivable state, the vehicle nighttime meeting control method further includes:

[0089] The voice reminds the driver to control the vehicle to slow down.

[0090] When the driver is in a drivable state, the voice can remind the driver to control the vehicle to slow down to ensure driving safety. During driving, other information can also be reminded by voice, such as the distance to the vehicle in front and surrounding obstacles.

[0091] In S104, if the driver's driving state is a non-drivable state, corresponding automatic braking measures are taken based on the distance between the vehicle and the vehicle in front.

[0092] When the driver is in an uncontrollable state, that is, when the driver is unable to respond calmly, the electronic equipment can take corresponding automatic braking measures based on the distance between the vehicle and the vehicle in front, without the need for the driver to drive, to avoid accidents such as collisions.

[0093] In some embodiments, the “taking corresponding automatic braking measures based on the distance between the vehicle and the vehicle ahead” in S104 may include:

[0094] sending a second control signal to a collision prevention system;

[0095] The second control signal is used to instruct the collision prevention system to monitor the distance between the vehicle and the vehicle in front in real time, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing, control the braking system to perform active light braking to slow down the vehicle, and when it is determined that the collision with the vehicle in front is unavoidable, control the braking system to perform active emergency braking to stop the vehicle.

[0096] The second control signal may carry the driver's driving state. When the collision prevention system identifies that the driver's driving state is not drivable, it may take corresponding measures to avoid accidents.

[0097] The collision prevention system is a subsystem of the ADAS system.

[0098] The collision prevention system can also be called a collision avoidance system. The system can detect the distance between the vehicle and the vehicle in front in real time through the front radar; when it detects that the distance between the vehicle and the vehicle in front is gradually decreasing, the system will automatically control the braking system to perform active light braking, that is, the system will automatically step on the brakes to control the vehicle to slow down; the system can control the braking system to perform active light braking when it detects that the distance between the vehicle and the vehicle in front is gradually decreasing and the distance between the vehicle and the vehicle in front is less than the preset distance; when the system detects that the collision with the vehicle in front is unavoidable (which can be detected by existing methods), it will perform active emergency braking, that is, start the automatic emergency brake, control the vehicle to stop, and reduce the damage caused by the accident.

[0099] Among them, active light braking is to control the braking system to brake with a preset braking stroke within a sixth preset time length, thereby controlling the vehicle to decelerate. The preset braking stroke is less than the maximum braking stroke of the braking system, and the preset braking stroke can be calibrated. The sixth preset time length can also be calibrated, and no specific limitation is made here.

[0100] Active emergency braking controls the braking system to brake with the maximum braking travel, thereby controlling the vehicle to stop.

[0101] In some embodiments, the second control signal is also used to instruct the collision prevention system to remind the driver to pay attention to the distance between the vehicle and the vehicle in front when monitoring the distance between the vehicle and the vehicle in front in real time, to control the seat belt to issue an alarm when controlling the braking system to perform active light braking, and to control the seat belt to tighten when controlling the braking system to perform active emergency braking.

[0102] In this embodiment, the collision prevention system can also monitor the distance between the vehicle and the vehicle in front in real time, and remind the driver to pay attention to the distance between the vehicle and the vehicle in front through voice in the early stage to avoid the distance being too small. The collision prevention system can also control the seat belt to warn when the braking system is controlled to perform active light braking, that is, when the brake is automatically pressed lightly, the driver's seat belt can be gently pulled 2-3 times to warn the driver so that the driver can actively brake to prevent accidents. The collision prevention system can also control the seat belt to tighten and fix the passengers when the braking system is controlled to perform active emergency braking, further reducing the damage caused by accidents.

[0103] In some embodiments, the “taking corresponding automatic braking measures based on the distance between the vehicle and the preceding vehicle” in S104 may also include:

[0104] A second control signal is sent to the active cruise control system; the second control signal is used to instruct the active cruise control system to monitor the distance between the vehicle and the vehicle in front in real time, and adjust the speed of the vehicle according to the distance between the vehicle and the vehicle in front, so that the vehicle maintains a safe distance with the vehicle in front.

[0105] The second control signal may carry the driver's driving state. When the active cruise control system identifies that the driver's driving state is not drivable, it may take corresponding measures to avoid accidents.

[0106] The active cruise control system is a subsystem of the ADAS system.

[0107] The active cruise control system can monitor the distance between the vehicle and the vehicle in front by continuously scanning the road ahead of the vehicle through the distance sensor installed in front of the vehicle, and adjust the speed of the vehicle according to the distance between the vehicle and the vehicle in front, so that the vehicle and the vehicle in front maintain a safe distance. For example, the system can also detect the speed of the vehicle in front, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing and the distance between the vehicle and the vehicle in front is less than the preset safe distance, the speed of the vehicle can be controlled to be less than or equal to the speed of the vehicle in front, so as to maintain a safe distance with the vehicle in front and reduce the occurrence of collision accidents.

[0108] In some embodiments, when the driver's driving state is in an un-drivable state, the vehicle nighttime meeting control method further includes:

[0109] The damping of the steering wheel is controlled to increase, and / or the damping of the accelerator pedal is controlled to increase.

[0110] In this embodiment, when the driver's driving state is a non-drivable state, the electronic device can control the damping of the steering wheel to increase, that is, control the damping of the steering wheel to become harder, to prevent the driver from over-steering when he is not calm; control the damping of the accelerator pedal to increase, that is, control the damping of the accelerator pedal to become harder, to prevent the driver from stepping on the accelerator pedal deeply when he is not calm.

[0111] In one possible implementation, when the driver's driving state is a non-drivable state, the electronic device may send a second control signal to a chassis domain controller (Vehicle Motion Control, VMC); the second control signal is used to instruct the VMC to control the damping of the steering wheel to increase, and / or control the damping of the accelerator pedal to increase.

[0112] The chassis domain controller may control the damping of the steering wheel to increase and / or control the damping of the accelerator pedal to increase when identifying that the driver's driving state is an un-drivable state.

[0113] It can be seen from the above description that this embodiment adopts different control strategies according to the different driving states of the driver when the vehicle is in a night-time meeting condition; when the driver is in a drivable state, that is, the driver can respond calmly, the infrared detection results are displayed on the display screen, so that the driver can drive safely according to the infrared detection results even in the case of strong light on the opposite side; when the driver is in an undrivable state, that is, the driver cannot respond calmly, corresponding automatic braking measures can be taken based on the distance between the current vehicle and the vehicle in front, so as to ensure driving safety when the driver is unable to drive. The embodiment of the present application can improve driving safety.

[0114] This embodiment builds an active closed-loop safety chassis domain system by integrating the chassis with ADAS, VMC, and DMS. Combined with the early warning function of ADAS, the DMS monitors the driver's facial features as the input source, actively intervenes in the chassis domain, and optimizes vehicle performance as needed, which can ensure driving safety when meeting other vehicles at night.

[0115] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0116] The following is an embodiment of the device of the present application. For details not described in detail, please refer to the corresponding method embodiment described above.

[0117] Figure 2 The schematic diagram of the structure of the vehicle nighttime meeting control device provided by the embodiment of the present application is shown. For the convenience of explanation, only the part related to the embodiment of the present application is shown, which is described in detail as follows:

[0118] like Figure 2 As shown, the vehicle nighttime meeting control device 30 includes: a working condition detection module 31 , a driving state acquisition module 32 , a first control module 33 and a second control module 34 .

[0119] The working condition detection module 31 is used to detect whether the vehicle is in a night-time meeting working condition;

[0120] A driving state acquisition module 32 is used to acquire the driving state of the driver if it is detected that the vehicle is in a night-time meeting condition;

[0121] The first control module 33 is used to send a first control signal to the night vision system if the driver's driving state is a drivable state, and the first control signal is used to instruct the night vision system to use an infrared camera to detect the surroundings of the vehicle and send the detection result to the display screen for display;

[0122] The second control module 34 is used to take corresponding automatic braking measures based on the distance between the vehicle and the vehicle in front if the driver's driving state is a non-drivable state.

[0123] The embodiment of the present application adopts different control strategies according to the different driving states of the driver when the vehicle is in a meeting condition at night; through the first control module, when the driver is in a drivable state, that is, the driver can respond calmly, the infrared detection result is displayed on the display screen, so that the driver can drive safely according to the infrared detection result even in the case of strong light on the opposite side; through the second control module, when the driver is in an undrivable state, that is, the driver cannot respond calmly, corresponding automatic braking measures can be taken based on the distance between the current vehicle and the vehicle in front, so as to ensure driving safety when the driver is unable to drive. The embodiment of the present application can improve driving safety.

[0124] In a possible implementation, the second control module 34 is specifically configured to:

[0125] If the driver's driving state is a non-driving state, sending a second control signal to the collision prevention system;

[0126] The second control signal is used to instruct the collision prevention system to monitor the distance between the vehicle and the vehicle in front in real time, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing, control the braking system to perform active light braking to slow down the vehicle, and when it is determined that the collision with the vehicle in front is unavoidable, control the braking system to perform active emergency braking to stop the vehicle.

[0127] In one possible implementation, the second control signal is also used to instruct the collision prevention system to remind the driver to pay attention to the distance between the vehicle and the vehicle in front when monitoring the distance between the vehicle and the vehicle in front in real time, to control the seat belt to issue an alarm when controlling the braking system to perform active light braking, and to control the seat belt to tighten when controlling the braking system to perform active emergency braking.

[0128] In a possible implementation, the second control module 34 is further configured to:

[0129] If the driver's driving state is a non-drivable state, a second control signal is sent to the active cruise control system; the second control signal is used to instruct the active cruise control system to monitor the distance between the vehicle and the vehicle in front in real time, and adjust the vehicle's speed according to the distance between the vehicle and the vehicle in front, so that the vehicle maintains a safe distance from the vehicle in front.

[0130] In a possible implementation, the second control module 34 is further configured to:

[0131] When the driving state of the driver is a non-drivable state, the damping of the steering wheel is controlled to increase, and / or the damping of the accelerator pedal is controlled to increase.

[0132] In a possible implementation, the operating condition detection module 31 is specifically used to:

[0133] Receiving driver monitoring results sent by a driver monitoring system;

[0134] Receive the road condition monitoring results sent by the intelligent forward-looking control module;

[0135] If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within the first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within the fourth preset time period and the growth rate of the picture brightness within the fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night meeting condition.

[0136] In a possible implementation, the driving state acquisition module 32 is further used for:

[0137] Obtaining steering wheel angle signal and accelerator pedal opening signal;

[0138] If it is detected that the change rate of the steering wheel angle signal within the second preset time period is greater than the preset angle change rate threshold, or it is detected that the change rate of the accelerator pedal opening signal within the third preset time period is greater than the preset opening change rate threshold, the driver's driving state is determined to be an un-drivable state; otherwise, the driver's driving state is determined to be a drivable state.

[0139] The present application also provides a computer program product having a program code, which executes the steps of any of the above-mentioned vehicle nighttime meeting control method embodiments when the program code is executed in a corresponding processor, controller, computing device or electronic device, such as Figure 1 S101 to S104 shown. Those skilled in the art will appreciate that the methods and devices proposed in the embodiments of the present application can be implemented in various forms of hardware, software, firmware, a dedicated processor or a combination thereof. A dedicated processor may include an application specific integrated circuit (ASIC), a reduced instruction set computer (RISC) and / or a field programmable gate array (FPGA). The proposed method and device are preferably implemented as a combination of hardware and software. The software is preferably installed on a program storage device as an application. It is typically based on a machine with a computer platform having hardware, such as one or more central processing units (CPUs), random access memories (RAMs) and one or more input / output (I / O) interfaces. An operating system is typically also installed on the computer platform. The various processes and functions described herein may be part of an application, or a portion thereof may be executed by an operating system.

[0140] Figure 3 Schematic diagram of an electronic device provided in an embodiment of the present application. Figure 3 As shown, the electronic device 4 of this embodiment includes: a processor 40, a memory 41, and a computer program 42 stored in the memory 41 and executable on the processor 40. When the processor 40 executes the computer program 42, the steps in the above-mentioned embodiments of the vehicle nighttime meeting control method are implemented, such as Figure 1 Alternatively, when the processor 40 executes the computer program 42, the functions of each module / unit in the above-mentioned device embodiments are realized, for example, Figure 2 Functionality of the modules / units 31 to 34 shown.

[0141] Exemplarily, the computer program 42 may be divided into one or more modules / units, which are stored in the memory 41 and executed by the processor 40 to complete / implement the solution provided by the present application. The one or more modules / units may be a series of computer program instruction segments that can complete specific functions, and the instruction segments are used to describe the execution process of the computer program 42 in the electronic device 4. For example, the computer program 42 may be divided into Figure 2 Modules / units 31 to 34 are shown.

[0142] The electronic device 4 may be a central controller or other device. The electronic device 4 may include, but is not limited to, a processor 40 and a memory 41. Those skilled in the art will appreciate that Figure 3 It is only an example of the electronic device 4 and does not constitute a limitation of the electronic device 4. It may include more or fewer components than shown in the figure, or a combination of certain components, or different components. For example, the electronic device may also include input and output devices, network access devices, buses, etc.

[0143] The processor 40 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor, etc.

[0144] The memory 41 may be an internal storage unit of the electronic device 4, such as a hard disk or memory of the electronic device 4. The memory 41 may also be an external storage device of the electronic device 4, such as a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. equipped on the electronic device 4. Further, the memory 41 may also include both an internal storage unit and an external storage device of the electronic device 4. The memory 41 is used to store the computer program and other programs and data required by the electronic device. The memory 41 may also be used to temporarily store data that has been output or is to be output.

[0145] Corresponding to the above-mentioned electronic device, an embodiment of the present application further provides a vehicle, comprising the above-mentioned electronic device, which has the same beneficial effects as the above-mentioned electronic device.

[0146] The technicians in the relevant field can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiment can be integrated in a processing unit, or each unit can exist physically separately, or two or more units can be integrated in one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing each other, and are not used to limit the scope of protection of this application. The specific working process of the units and modules in the above-mentioned system can refer to the corresponding process in the aforementioned method embodiment, which will not be repeated here.

[0147] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0148] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0149] In the embodiments provided in the present application, it should be understood that the disclosed devices / electronic devices and methods can be implemented in other ways. For example, the device / electronic device embodiments described above are merely schematic. For example, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0150] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0151] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0152] If the integrated module / unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the present application implements all or part of the processes in the above-mentioned embodiment method, and can also be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium. When the computer program is executed by the processor, the steps of the above-mentioned vehicle night-time meeting control method embodiments can be implemented. Among them, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form. The computer-readable medium may include: any entity or device that can carry the computer program code, recording medium, U disk, mobile hard disk, disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electric carrier signal, telecommunication signal and software distribution medium. It should be noted that the content contained in the computer-readable medium can be appropriately increased or decreased according to the requirements of legislation and patent practices in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practices, computer-readable media does not include electrical carrier signals and telecommunication signals.

[0153] In addition, the features of the embodiments shown in the drawings of the present application or the various embodiments mentioned in this specification are not necessarily understood as independent embodiments. Instead, each feature described in one example of an embodiment can be combined with one or more other desired features from other embodiments to produce other embodiments not described in words or with reference to the drawings.

[0154] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. A method for controlling vehicle meeting at night, characterized in that: include: Detect whether the vehicle is in a night-time meeting condition; If it is detected that the vehicle is in a nighttime meeting condition, obtaining the driving state of the driver; If the driving state of the driver is a drivable state, a first control signal is sent to the night vision system, wherein the first control signal is used to instruct the night vision system to detect the surroundings of the vehicle using an infrared camera and send the detection result to a display screen for display; If the driver's driving state is an undriveable state, taking corresponding automatic braking measures based on the distance between the vehicle and the vehicle ahead; The detecting whether the vehicle is in a nighttime meeting condition includes: Receiving driver monitoring results sent by a driver monitoring system; Receive the road condition monitoring results sent by the intelligent forward-looking control module; If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within a first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within a fourth preset time period and the growth rate of the picture brightness within a fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night-time meeting condition.

2. The vehicle nighttime meeting control method according to claim 1, characterized in that: The taking of corresponding automatic braking measures based on the distance between the vehicle and the preceding vehicle includes: sending a second control signal to a collision prevention system; The second control signal is used to instruct the collision prevention system to monitor the distance between the vehicle and the vehicle in front in real time, and when it is detected that the distance between the vehicle and the vehicle in front is gradually decreasing, control the braking system to perform active light braking to slow down the vehicle, and when it is determined that the collision with the vehicle in front is unavoidable, control the braking system to perform active emergency braking to stop the vehicle.

3. The vehicle nighttime meeting control method according to claim 2, characterized in that: The second control signal is also used to instruct the collision prevention system to remind the driver to pay attention to the distance between the vehicle and the vehicle in front when the distance between the vehicle and the vehicle in front is monitored in real time, to control the seat belt to issue an alarm when the braking system is controlled to perform active light braking, and to control the seat belt to tighten when the braking system is controlled to perform active emergency braking.

4. The vehicle nighttime meeting control method according to claim 2, characterized in that: The taking corresponding automatic braking measures based on the distance between the vehicle and the preceding vehicle also includes: A second control signal is sent to the active cruise control system; the second control signal is used to instruct the active cruise control system to monitor the distance between the vehicle and the vehicle in front in real time, and adjust the speed of the vehicle according to the distance between the vehicle and the vehicle in front, so that the vehicle maintains a safe distance with the vehicle in front.

5. The vehicle nighttime meeting control method according to claim 1, characterized in that: When the driving state of the driver is a non-drivable state, the vehicle nighttime meeting control method further includes: The damping of the steering wheel is controlled to increase, and / or the damping of the accelerator pedal is controlled to increase.

6. The vehicle nighttime meeting control method according to any one of claims 1 to 5, characterized in that: The obtaining of the driving state of the driver includes: Obtaining steering wheel angle signal and accelerator pedal opening signal; If it is detected that the change rate of the steering wheel angle signal within the second preset time period is greater than the preset angle change rate threshold, or it is detected that the change rate of the accelerator pedal opening signal within the third preset time period is greater than the preset opening change rate threshold, the driver's driving state is determined to be an undrivable state; otherwise, the driver's driving state is determined to be a drivable state.

7. A vehicle nighttime meeting control device, characterized in that: include: The working condition detection module is used to detect whether the vehicle is in a night-time meeting condition; A driving state acquisition module, used to acquire the driving state of the driver if it is detected that the vehicle is in a night-time meeting condition; a first control module, configured to send a first control signal to a night vision system if the driver's driving state is a drivable state, wherein the first control signal is used to instruct the night vision system to detect the surroundings of the vehicle using an infrared camera and send the detection result to a display screen for display; a second control module, configured to take corresponding automatic braking measures based on the distance between the vehicle and the preceding vehicle if the driving state of the driver is an un-drivable state; The working condition detection module is specifically used for: Receiving driver monitoring results sent by a driver monitoring system; Receive the road condition monitoring results sent by the intelligent forward-looking control module; If the driver monitoring result shows that the driver has been in a state of closing his eyes continuously within a first preset time period or the driver has been in a state of having his eyes covered continuously within the first preset time period, and the road condition picture monitoring result shows that the picture brightness increases from lower than the first preset brightness to higher than the second preset brightness within a fourth preset time period and the growth rate of the picture brightness within a fifth preset time period after reaching the second preset brightness is greater than the preset brightness growth rate threshold, then it is determined that the vehicle is in a night-time meeting condition.

8. A vehicle, comprising an electronic device, the electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the vehicle nighttime meeting control method as described in any one of claims 1 to 6 are implemented.

9. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the vehicle nighttime meeting control method as described in any one of claims 1 to 6 are implemented.

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