WO2018058274A1

WO2018058274A1 - Mobile terminal-based driver-assistance method and system

Info

Publication number: WO2018058274A1
Application number: PCT/CN2016/100260
Authority: WO
Inventors: 张哲文
Original assignee: 深圳智乐信息科技有限公司
Priority date: 2016-09-27
Filing date: 2016-09-27
Publication date: 2018-04-05

Abstract

A mobile terminal-based driver-assistance method, comprising: a mobile terminal sending a connection request to an in-vehicle terminal, and establishing a connection to the in-vehicle terminal; notifying, by means of a navigation application launched on the mobile terminal, a user to enter a predetermined car lane in advance, and/or sending a control instruction directly to control a car to enter the predetermined car lane in advance; when turning or lane-changing involves potential hazards, notifying the user, and/or controlling the car to delay turning or lane-changing; determining, by the mobile terminal, a distance to a car directly ahead, and performing pre-crash processing by means of providing a user notification and brake control; and employing the mobile terminal to detect a facial expression of the user to determine whether the user is driving when fatigued, and performing corresponding control on the car to prevent driver fatigue-caused accidents. The method of the present invention can improve the level of intelligence and safety of driving a car.

Description

Aided driving method and system based on mobile terminal

Technical field

The present invention relates to the field of automobiles, and in particular to a method and system for assisting driving based on a mobile terminal.

Background technique

As people's living standards continue to improve, more and more users and families have their own cars. People can travel easily. However, as more and more vehicles are driving on the road, the road traffic accidents that follow are also on the rise. According to the information of the transportation department, there are many traffic accidents caused by the lack of driving experience of the novice driver and the cause of fatigue driving. Traffic accidents have caused huge economic losses and casualties to the country, which have aroused people's strong concern.

Although with the rapid development of automotive technology, more and more new safety technologies such as pre-crash systems and automatic parking systems have been applied, but the price of vehicles equipped with these new safety technologies is usually very expensive, and ordinary users cannot afford to buy and use them; And the degree of intelligence of existing new technologies is far from enough.

Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a method and system for assisting driving based on a mobile terminal. To solve the problem of insufficient intelligence of existing cars.

In order to solve the above technical problem, a first aspect of the embodiments of the present invention provides a method for assisting driving based on a mobile terminal, including:

The mobile terminal initiates a connection request to the in-vehicle terminal to establish a connection with the in-vehicle terminal;

When the user inputs an assist driving function opening instruction on the mobile terminal, the navigation application installed on the mobile terminal and the front camera of the mobile terminal are activated; when the user needs to turn or join the line according to the navigation application, Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans the user's car through the front camera The speed of the vehicle behind the turn or the parallel lane and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or align, and/or send the control speed and direction command to the vehicle. The terminal is configured to reduce the vehicle speed and adjust the driving direction of the vehicle;

When the user inputs a pre-collision function on command on the mobile terminal, the mobile terminal is activated The rear camera monitors the vehicle in front of the user's car; if the distance between the user's car and the vehicle in front is less than the first preset threshold, the user is reminded to pay attention to the following distance; if the user's car and the vehicle in front are monitored When the distance between the two is less than the second preset threshold, the first brake command is sent to the vehicle-mounted terminal to notify the vehicle-mounted terminal to step on the brake of the preset depth; if the distance between the user's car and the vehicle in front is monitored If the third preset threshold is less than the third preset threshold and the minimum braking distance of the user's car at the current speed, the second braking command is sent to the vehicle-mounted terminal to notify the vehicle-mounted terminal to step on the brake; The third preset threshold <the second preset threshold <the first preset threshold;

When the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the front camera of the mobile terminal is activated to capture the facial expression of the user; if the user's current facial expression and pre-existence The expressions in the fatigue driving expression library are matched, and the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; if the user reminds the parking stop at the mobile terminal After the vehicle has not stopped and rested, the acceleration changes in the left, right and front directions of the user's vehicle are further detected. When the amount of acceleration change in the three directions reaches a preset amount of change, the vehicle terminal is Sending a brake command, notifying the vehicle terminal to step on the brake and turning on the danger alarm flash; and dialing the preset terminal so that the user of the preset terminal acquires the current physical fatigue condition of the user.

A second aspect of the embodiments of the present invention provides a system, including:

a mobile terminal, configured to initiate a connection request to the in-vehicle terminal, and establish a connection with the in-vehicle terminal;

When the user inputs an assist driving function opening instruction on the mobile terminal, the navigation application installed on the mobile terminal and the front camera of the mobile terminal are activated; when the user needs to turn or join the line according to the navigation application, Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans the user's car through the front camera The speed of the vehicle behind the turn or the parallel lane and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or align, and/or send the control speed and direction command to the vehicle. terminal;

The vehicle-mounted terminal is configured to reduce the vehicle speed and adjust the traveling direction of the vehicle according to the received control vehicle speed and direction command;

When the user inputs a pre-collision function on command on the mobile terminal, the mobile terminal is configured to start a rear camera of the mobile terminal, and monitor a vehicle in front of the user's car; if the user's steam is monitored When the distance between the vehicle and the vehicle in front is less than the first preset threshold, the user is reminded to pay attention to the following distance; if the distance between the user's vehicle and the preceding vehicle is monitored to be less than a second preset threshold, then The vehicle terminal sends a first brake command to notify the vehicle terminal to step on the brake of the preset depth; if the distance between the user car and the vehicle in front is monitored to be less than a third preset threshold and the third preset threshold is close to the user a minimum braking distance of the vehicle at the current speed, sending a second braking command to the vehicle-mounted terminal to notify the vehicle-mounted terminal to step on the brake; wherein the third preset threshold <second preset threshold <first pre- Set a threshold;

The vehicle-mounted terminal is configured to receive a first brake command or a second brake command sent by the mobile terminal, and perform a corresponding brake operation;

When the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the mobile terminal is configured to activate a front camera of the mobile terminal to capture a facial expression of the user; The current facial expression matches the expression in the pre-stored fatigue driving expression library, and the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; The mobile terminal further reminds the user that the acceleration of the acceleration in the left, right and front directions when the vehicle is traveling is not stopped after the parking break, when the acceleration variation in the three directions reaches the preset variation Sending a brake command to the vehicle-mounted terminal, informing the vehicle-mounted terminal to step on the brake and turning on the danger alarm flash; and dialing the preset terminal so that the user of the preset terminal acquires the current physical fatigue condition of the user.

Embodiments of the present invention have the following beneficial effects:

By connecting the mobile terminal and the vehicle terminal to form an intelligent driving system, the vehicle with low configuration and simple function can use the functions of the camera, the sensor and the processor on the mobile terminal to realize the purpose of intelligent driving of the vehicle; The navigation application alerts the user and/or directly sends control commands to control the car to enter the predetermined lane ahead of time; turns on the front camera to detect the vehicle behind the vehicle, reminds the user and/or controls the car to pause turning or merging when there is danger in turning or merging; The distance from the front car and the control of the brake can realize the pre-collision and avoid the occurrence of rear-end collision. By detecting the user's expression and the acceleration of the car, it can be determined whether the user is driving fatigue, and then the user can be reminded to stop or even control the parking and send. The user's situation is given to the third party, avoiding the accident caused by fatigue driving, and greatly improving the safety of the driving of the vehicle; the above functions can be realized by the cooperation of the mobile terminal and the vehicle terminal, which can greatly reduce the cost of the automobile, is easy to implement and use, and is beneficial to improvement. Households of the Use the experience.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, those skilled in the art can obtain other drawings according to the drawings without any creative work.

1 is a schematic flow chart of a method for assisting driving based on a mobile terminal according to an embodiment of the present invention;

2 is a schematic diagram showing the composition of a system according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The mobile terminal in the embodiment of the present invention may include a smart phone (such as an Android mobile phone, an iOS mobile phone, a Windows Phone mobile phone, etc.), a tablet computer, a palmtop computer, a notebook computer, a mobile Internet device (MID, Mobile Internet Devices), or a wearable device. It has a camera and an accelerometer for taking pictures and video calls, as well as detecting car speed and direction changes. The above mobile terminal is only an example, not an exhaustive one, including but not limited to the above mobile terminal.

The vehicle-mounted terminal in the embodiment of the present invention may be a central control navigation terminal integrated in the automobile, or may be a terminal external to the automobile, and can control the lighting, the horn, the steering wheel, the brake and the throttle of the automobile.

The terms "first", "second" and "third" and the like in the specification and claims of the present invention and the above drawings are used to distinguish different objects, and are not intended to describe a specific order. Furthermore, the terms "comprises" and "comprising" and "comprising" are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or alternatively Other steps or units inherent to these processes, methods, products or equipment.

Please refer to FIG. 1 , which is a flow diagram of a method for assisting driving based on a mobile terminal according to an embodiment of the present invention. In the embodiment, the method includes the following steps:

S101. The mobile terminal initiates a connection request to the in-vehicle terminal, and establishes a connection with the in-vehicle terminal.

Optionally, the mobile terminal and the vehicle terminal can be connected through a USB cable, or can be connected by wireless means such as Bluetooth, wifi or NFC. After the connection, the two can perform control commands and data transmission.

S102. When a user inputs an assist driving function opening instruction on the mobile terminal, start a navigation application installed on the mobile terminal and a front camera of the mobile terminal; when the user specifies a route according to the navigation application, a turn or a line is required. Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans through the front camera The speed of the vehicle behind the user's car to be turned or the lane behind the line and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or line, and/or send the control speed and direction command to the station. The vehicle-mounted terminal is configured to reduce the vehicle speed and adjust the traveling direction of the vehicle.

Optionally, the determining the turn or the merging is dangerous, including:

Detect the speed of the current user's car turning or merging; calculate the time required to complete the turn or join line;

According to the driving speed of the vehicle to be turned or the lane behind the parallel lane and the distance from the user's car, it is determined whether the user's car will be rear-ended by the rear vehicle within the time required for the user's car to complete the turn or the line;

If it is to be rear-ended, it is determined that the turn or the line is dangerous.

At this point, you can remind the user. Optionally, the reminding the user to pause the turn or the line, including:

Remind the user to pause the turn or join the line by voice; and / or

Sending a steering wheel vibration command to the vehicle-mounted terminal to prompt the user to pause the turning or merging in a manner that causes the vehicle-mounted terminal to control the steering wheel vibration or increase the steering wheel rotation resistance; and/or

Sending a blinking command to the in-vehicle terminal to cause the in-vehicle terminal to control the blinking of the indicator light preset on the rearview mirror to remind the user to view the rearview mirror and suspend turning or merging.

Since the safety of a car depends mainly on human factors, people's attention is often not consistent throughout driving. If the driver has insufficient driving experience or insufficient reaction, it will cause the turn signal and turn on the rear view mirror when turning or connecting the line, causing a rear-end collision. The embodiment of the invention navigates through the mobile terminal and reminds the user to enter the predetermined lane in advance and prompts whether there is a risk of rear-end collision when turning or merging, and even can directly control the car to drive, which can greatly improve the safety of driving.

S103. When the user inputs a pre-collision function on command on the mobile terminal, start the rear camera of the mobile terminal to monitor the vehicle in front of the user's car; if the distance between the user's car and the vehicle in front is monitored is less than the first When a preset threshold is used, the user is reminded to pay attention to the following distance; if the distance between the user's car and the preceding vehicle is less than the second preset threshold, the first brake command is sent to the vehicle-mounted terminal to notify the The vehicle terminal presses the brake of the preset depth; if it is monitored that the distance between the user's car and the vehicle in front is less than a third preset threshold and the third preset threshold is close to the minimum braking distance of the user's car at the current speed, then Sending a second brake command to the vehicle-mounted terminal to notify the vehicle-mounted terminal to step on the brake.

The third preset threshold <the second preset threshold <the first preset threshold.

The camera is measured by the camera of the mobile terminal, and the user is prompted to control the distance of the following vehicle, and the brake is directly controlled when the distance is small, so that the rear-end collision can be avoided, and the mobile terminal can be realized without increasing the cost of the vehicle.

S104, when the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the front camera of the mobile terminal is activated to capture a facial expression of the user; if the current facial expression of the user Matching the expression in the pre-stored fatigue driving expression library, the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; if the user reminds the mobile terminal After the parking break is still not stopped, the acceleration changes in the left, right and front directions of the user's car are further detected. When the acceleration change amount in the three directions reaches the preset change amount, the The vehicle terminal sends a brake command to notify the vehicle terminal to step on the brake and turn on the danger alarm flash; and dials the preset terminal so that the user of the preset terminal acquires the current physical fatigue condition of the user.

The user's facial expression is captured by the front camera of the mobile terminal, and combined with the preset expression database to determine whether the user is in a fatigue driving state, thereby reminding the user to stop and rest. Therefore, the traffic accident caused by the fatigue driving can be avoided, and the safety of driving is improved. By notifying the third party and controlling the brakes, it is possible to ensure that the fatigued user continues to drive and further ensure the safety of driving.

Alternatively, since a plurality of car users in a home may use one car, or the user lends the car to other friends, the mobile terminal initiates a connection request to the in-vehicle terminal to establish a connection with the in-vehicle terminal. ,Also includes:

Determine the user's identity based on the password entered by the user;

If the current user is different from the user identity of the last time the car was used, the driving data of the user is read according to the determined user identity, and the driving data is stored or uploaded to the cloud server for storage by the mobile terminal; the driving data includes a seat. Adjust data, mirror adjustment data and music type preference data;

The read driving data is transmitted to the in-vehicle terminal to cause the in-vehicle terminal to adjust the seat and the rear view mirror, and to load a corresponding type of music.

Optionally, the password comprises a fingerprint password, an iris password, a digital password or a gesture password.

Through the user identity confirmation, the relevant driving parameters can be adaptively adjusted, and the user can save the data after adjusting once for the next direct use, which is very convenient.

In this embodiment, by connecting the mobile terminal and the vehicle-mounted terminal to form an intelligent driving system, the vehicle with low configuration and simple function can use the functions of the camera, the sensor and the processor on the mobile terminal to realize the purpose of intelligent driving of the automobile. The navigation application opened by the mobile terminal reminds the user and/or directly sends a control command to control the car to enter the predetermined lane in advance; the front camera is turned on to detect the vehicle behind the vehicle, and the user is reminded and/or the vehicle is controlled to pause when the turn or the line is dangerous. Or parallel; by detecting the distance from the preceding vehicle and controlling the brakes, pre-crash can be realized to avoid the occurrence of rear-end collision; by detecting the user's expression and the acceleration of the vehicle, it can be determined whether the user is driving fatigue, and then the user can be reminded to stop. Resting and even controlling the parking and sending the user to the third party, avoiding the accident caused by the fatigue driving, greatly improving the safety of the driving of the car; achieving the above functions through the cooperation of the mobile terminal and the vehicle terminal, can greatly reduce the cost of the automobile, and is easy to Achieve and Use, which will help enhance the user experience.

2 is a schematic structural diagram of a system according to an embodiment of the present invention. In this embodiment, the system includes: a mobile terminal 100 and an in-vehicle terminal 200.

The mobile terminal 100 is configured to initiate a connection request to the in-vehicle terminal, and establish a connection with the in-vehicle terminal;

When the user inputs an assist driving function opening instruction on the mobile terminal, the navigation application installed on the mobile terminal and the front camera of the mobile terminal are activated; when the user needs to turn or join the line according to the navigation application, Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans the user's car through the front camera The speed of the vehicle behind the turn or the parallel lane and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or align, and/or send the control speed and direction command to the vehicle. Terminal

The vehicle-mounted terminal 200 is configured to reduce the vehicle speed and adjust the traveling direction of the vehicle according to the received control vehicle speed and direction command;

When the user inputs a pre-collision function on command on the mobile terminal, the mobile terminal 100 is configured to activate a rear camera of the mobile terminal to monitor a vehicle in front of the user's car; if the user's car and the vehicle in front are monitored When the distance between the user is less than the first preset threshold, the user is reminded to pay attention to the following distance; if the distance between the user's car and the vehicle in front is less than the second preset threshold, the first brake is sent to the vehicle terminal. Instructing the vehicle terminal to step on a preset depth of the brake; if the distance between the user's car and the preceding vehicle is monitored to be less than a third predetermined threshold and the third predetermined threshold is close to the user's car at the current speed a second braking command is sent to the vehicle-mounted terminal to notify the vehicle-mounted terminal to step on the brake; wherein the third preset threshold <the second preset threshold <the first preset threshold;

The vehicle-mounted terminal 200 is configured to receive a first brake command or a second brake command sent by the mobile terminal, and perform a corresponding brake operation;

When the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the mobile terminal 100 is configured to activate a front camera of the mobile terminal to capture a facial expression of the user; The current facial expression of the user matches the expression in the pre-stored fatigue driving expression library, and the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; The mobile terminal further reminds that after the parking break, the vehicle does not stop and rest, and further detects the acceleration change in the left, right and the first three directions when the user's car is traveling, when the acceleration change amount in the three directions reaches the preset change amount And sending a brake command to the vehicle-mounted terminal, informing the vehicle-mounted terminal to brake the brake and turning on the danger alarm flash; and dialing the preset terminal so that the user of the preset terminal acquires the current physical fatigue condition of the user.

Optionally, the mobile terminal 100 is further configured to:

Determine the user's identity based on the password entered by the user;

Transmitting the read driving data to the vehicle-mounted terminal;

The vehicle-mounted terminal is further configured to adjust the seat and the rear view according to the driving data sent by the mobile terminal. Mirror and load the appropriate type of music.

Optionally, when determining whether there is a danger in turning or merging, the mobile terminal 100 is specifically configured to:

Optionally, when the mobile terminal 100 reminds the user to pause the turn or the line, the mobile terminal 100 is specifically configured to:

Remind the user to pause the turn or join the line by voice; and / or

Sending a steering wheel vibration command to the vehicle-mounted terminal, the vehicle-mounted terminal 200 is specifically configured to control the steering wheel vibration or increase the steering wheel rotation resistance to remind the user to pause the turn or the line; and/or

Sending a blinking command to the vehicle-mounted terminal, the vehicle-mounted terminal 200 is specifically configured to control the blinking of the indicator light preset on the rearview mirror to remind the user to view the rearview mirror and suspend turning or merging.

It should be noted that the various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments are mutually referred to. can. For the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.

Through the description of the above embodiments, the present invention has the following advantages:

By connecting the mobile terminal and the vehicle terminal to form an intelligent driving system, the vehicle with low configuration and simple function can use the functions of the camera, the sensor and the processor on the mobile terminal to realize the purpose of intelligent driving of the vehicle; The navigation application alerts the user and/or directly sends control commands to control the car to enter the predetermined lane ahead of time; turns on the front camera to detect the vehicle behind the vehicle, reminds the user and/or controls the car to pause turning or merging when there is danger in turning or merging; The distance from the front car and the control of the brake can realize the pre-collision and avoid the occurrence of rear-end collision. By detecting the user's expression and the acceleration of the car, it can be determined whether the user is driving fatigue, and then the user can be reminded to stop or even control the parking and send. The user's situation is given to the third party, avoiding the accident caused by fatigue driving, and greatly improving the safety of the driving of the vehicle; the above functions can be realized by the cooperation of the mobile terminal and the vehicle terminal, which can greatly reduce the cost of the automobile, is easy to implement and use, and is beneficial to improvement. Use households experience.

One of ordinary skill in the art can understand that all or part of the process of implementing the foregoing embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. When executed, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and thus equivalent changes made in the claims of the present invention are still within the scope of the present invention.

Claims

A method for assisting driving based on a mobile terminal, comprising:

The mobile terminal initiates a connection request to the in-vehicle terminal to establish a connection with the in-vehicle terminal;

When the user inputs an assist driving function opening instruction on the mobile terminal, the navigation application installed on the mobile terminal and the front camera of the mobile terminal are activated; when the user needs to turn or join the line according to the navigation application, Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans the user's car through the front camera The speed of the vehicle behind the turn or the parallel lane and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or align, and/or send the control speed and direction command to the vehicle. The terminal is configured to reduce the vehicle speed and adjust the driving direction of the vehicle;

When the user inputs a pre-collision function on command on the mobile terminal, the rear camera of the mobile terminal is activated to monitor the vehicle in front of the user's car; if the distance between the user's car and the vehicle in front is monitored is less than the first pre-preview When the threshold is set, the user is reminded to pay attention to the following distance; if the distance between the user's car and the preceding vehicle is less than the second preset threshold, the first braking command is sent to the vehicle-mounted terminal to notify the vehicle-mounted terminal. Depressing a preset depth of brake; if it is monitored that the distance between the user's car and the preceding vehicle is less than a third predetermined threshold and the third predetermined threshold is close to the minimum braking distance of the user's car at the current speed, then The vehicle-mounted terminal sends a second brake command to notify the vehicle-mounted terminal to step on the brake; wherein the third preset threshold <the second preset threshold <the first preset threshold;

When the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the front camera of the mobile terminal is activated to capture the facial expression of the user; if the user's current facial expression and pre-existence The expressions in the fatigue driving expression library are matched, and the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; if the user reminds the parking stop at the mobile terminal After the vehicle has not stopped and rested, the acceleration changes in the left, right and front directions of the user's vehicle are further detected. When the amount of acceleration change in the three directions reaches a preset amount of change, the vehicle terminal is Sending a brake command, notifying the vehicle terminal to step on the brake and turning on the danger alarm flash; and dialing the preset terminal so that the user of the preset terminal acquires the current physical fatigue condition of the user.
The method according to claim 1, wherein after the mobile terminal initiates a connection request to the in-vehicle terminal, and after establishing a connection with the in-vehicle terminal, the method further includes:

Determine the user's identity based on the password entered by the user;

If the current user is different from the user identity of the last time the car was used, the driving data of the user is read according to the determined user identity, and the driving data is stored or uploaded to the cloud server for storage by the mobile terminal; the driving data includes a seat. Adjust data, mirror adjustment data and music type preference data;

The read driving data is transmitted to the in-vehicle terminal to cause the in-vehicle terminal to adjust the seat and the rear view mirror, and to load a corresponding type of music.
The method of claim 2 wherein said password comprises a fingerprint password, an iris password, a numeric password or a gesture password.
The method of claim 1 wherein said determining a turn or a merging line is dangerous, comprising:

Detect the speed of the current user's car turning or merging; calculate the time required to complete the turn or join line;

According to the driving speed of the vehicle to be turned or the lane behind the parallel lane and the distance from the user's car, it is determined whether the user's car will be rear-ended by the rear vehicle within the time required for the user's car to complete the turn or the line;

If it is to be rear-ended, it is determined that the turn or the line is dangerous.
The method of claim 1 or 4, wherein the prompting the user to pause the turn or the line, comprising:

Remind the user to pause the turn or join the line by voice; and / or

Sending a steering wheel vibration command to the vehicle-mounted terminal to prompt the user to pause the turning or merging in a manner that causes the vehicle-mounted terminal to control the steering wheel vibration or increase the steering wheel rotation resistance; and/or

Sending a blinking command to the in-vehicle terminal to cause the in-vehicle terminal to control the blinking of the indicator light preset on the rearview mirror to remind the user to view the rearview mirror and suspend turning or merging.
A system, comprising:

a mobile terminal, configured to initiate a connection request to the in-vehicle terminal, and establish a connection with the in-vehicle terminal;

When the user inputs an assist driving function opening instruction on the mobile terminal, the navigation application installed on the mobile terminal and the front camera of the mobile terminal are activated; when the user needs to turn or join the line according to the navigation application, Reminding the user to enter the predetermined lane in advance and/or send a lane change command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to control the vehicle to enter the predetermined lane; when the user makes a turn or a line, the mobile terminal scans the user's car through the front camera The speed of the vehicle behind the turn or the parallel lane and the distance from the user's car. When it is judged that the turn or the line is dangerous, remind the user to pause the turn or align, and/or send the control speed and direction command to the vehicle. terminal;

The vehicle-mounted terminal is configured to reduce the vehicle speed and adjust the traveling direction of the vehicle according to the received control vehicle speed and direction command;

When the user inputs a pre-collision function on command on the mobile terminal, the mobile terminal is configured to activate a rear camera of the mobile terminal to monitor a vehicle in front of the user's car; if the user's car is monitored and the vehicle in front is monitored When the distance is less than the first preset threshold, the user is reminded to pay attention to the following distance; if the distance between the user's car and the preceding vehicle is less than the second preset threshold, the first brake command is sent to the vehicle terminal. Notifying the vehicle-mounted terminal to step on the brake of the preset depth; if the distance between the user's car and the vehicle in front is monitored to be less than a third preset threshold and the third preset threshold is close to the minimum of the user's car at the current speed a second brake command is sent to the vehicle-mounted terminal to notify the vehicle-mounted terminal to brake the brake; wherein the third preset threshold <the second preset threshold <the first preset threshold;

The vehicle-mounted terminal is configured to receive a first brake command or a second brake command sent by the mobile terminal, and perform a corresponding brake operation;

When the user travels for more than a preset time or when the user inputs an anti-fatigue driving function on command on the mobile terminal, the mobile terminal is configured to activate a front camera of the mobile terminal to capture a facial expression of the user; The current facial expression matches the expression in the pre-stored fatigue driving expression library, and the user is reminded to stop the parking and initiate a video request to the preset terminal so that the user of the preset terminal can view the current facial expression of the user; The mobile terminal further reminds the user that the acceleration of the acceleration in the left, right and front directions when the vehicle is traveling is not stopped after the parking break, when the acceleration variation in the three directions reaches the preset variation Sending a brake command to the vehicle-mounted terminal, informing the vehicle-mounted terminal to step on the brake and turning on the danger alarm flash; The terminal is dialed so that the user of the preset terminal acquires the current physical fatigue condition of the user.
The system of claim 6 wherein said mobile terminal is further configured to:

Determine the user's identity based on the password entered by the user;

If the current user is different from the user identity of the last time the car was used, the driving data of the user is read according to the determined user identity, and the driving data is stored or uploaded to the cloud server for storage by the mobile terminal; the driving data includes a seat. Adjust data, mirror adjustment data and music type preference data;

Transmitting the read driving data to the vehicle-mounted terminal;

The vehicle-mounted terminal is further configured to adjust the seat and the rearview mirror according to the driving data sent by the mobile terminal, and load the corresponding type of music.
The system of claim 7 wherein said password comprises a fingerprint password, an iris password, a numeric password or a gesture password.
The system according to claim 6, wherein the mobile terminal is specifically configured to: when determining whether there is a danger in turning or merging:

Detect the speed of the current user's car turning or merging; calculate the time required to complete the turn or join line;

According to the driving speed of the vehicle to be turned or the lane behind the parallel lane and the distance from the user's car, it is determined whether the user's car will be rear-ended by the rear vehicle within the time required for the user's car to complete the turn or the line;

If it is to be rear-ended, it is determined that the turn or the line is dangerous.
The system according to claim 6 or 9, wherein the mobile terminal is specifically configured to: when reminding the user to pause the turn or the line:

Remind the user to pause the turn or join the line by voice; and / or

Sending a steering wheel vibration command to the vehicle-mounted terminal, the vehicle-mounted terminal is specifically configured to control the steering wheel vibration or increase the steering wheel rotation resistance to remind the user to pause the turn or the line; and/or

Sending a blinking command to the vehicle-mounted terminal, the vehicle-mounted terminal is specifically configured to control the blinking of the indicator light preset on the rearview mirror to remind the user to view the rearview mirror and suspend turning or merging.