WO2018058263A1 - 一种驾驶方法及系统 - Google Patents
一种驾驶方法及系统 Download PDFInfo
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- WO2018058263A1 WO2018058263A1 PCT/CN2016/100229 CN2016100229W WO2018058263A1 WO 2018058263 A1 WO2018058263 A1 WO 2018058263A1 CN 2016100229 W CN2016100229 W CN 2016100229W WO 2018058263 A1 WO2018058263 A1 WO 2018058263A1
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- vehicle
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- mobile terminal
- car
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008921 facial expression Effects 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims description 24
- 230000001133 acceleration Effects 0.000 claims description 16
- 230000014509 gene expression Effects 0.000 claims description 16
- 230000002929 anti-fatigue Effects 0.000 claims description 6
- 230000000881 depressing effect Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 21
- 206010039203 Road traffic accident Diseases 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
Definitions
- the invention relates to the field of automobiles, and in particular to a driving method and system.
- a technical problem to be solved by embodiments of the present invention is to provide a driving method and system. To solve the problem of insufficient intelligence of existing cars.
- the first aspect of the embodiments of the present invention provides a driving method, including:
- the mobile terminal initiates a connection request to the in-vehicle terminal to establish a connection with the in-vehicle terminal;
- the rear camera of the mobile terminal is activated to monitor the 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.
- 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.
- the vehicle terminal 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;
- the mobile terminal is further configured to start a navigation application installed on the mobile terminal and turn on a rear camera of the mobile terminal; and read the navigation application Navigating information, and scanning and recognizing a road traffic sign in front of the user's car through the rear camera, determining a driving requirement of the road corresponding to the road traffic sign according to the navigation information and the identified road traffic sign;
- the driving requirement of the vehicle reminds the user to perform a corresponding driving operation or send a corresponding driving operation instruction to the vehicle-mounted terminal;
- the vehicle-mounted terminal is configured to perform corresponding control on the user's car according to the received driving operation instruction sent by the mobile terminal;
- the mobile terminal 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, then the vehicle is The carrier 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;
- the mobile terminal 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
- 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; by detecting the road traffic sign Auxiliary user driving can improve the safety of driving, avoiding the deduction or accident caused by the driver's lack of concentration when driving according to the driving requirements of road traffic signs; by detecting the distance from the preceding vehicle and controlling the brakes, it can be realized Pre-collision avoids the occurrence of rear-end collisions; by detecting the user's expression and the acceleration of the car, it can be determined whether the user is driving fatigue, and then can remind the user to stop or even control the parking and send the user to the third party, avoiding the accident caused by fatigue driving. Occurs, greatly improves the safety of driving the car; through the cooperation of the mobile terminal and the vehicle terminal to achieve the above functions, the cost of the automobile can be greatly reduced, and it is easy to implement and use, which is conducive to improving the user experience.
- FIG. 1 is a schematic flow chart of a driving method according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram showing the composition of a system according to an embodiment 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.
- a smart phone such as an Android mobile phone, an iOS mobile phone, a Windows Phone mobile phone, etc.
- a tablet computer such as an iOS mobile phone, a Windows Phone mobile phone, etc.
- a palmtop computer such as a Samsung Galaxy Tabs, etc.
- a notebook computer such as a tablet computer, a palmtop computer, a notebook computer, a mobile Internet device (MID, Mobile Internet Devices), or a wearable device.
- MID Mobile Internet Devices
- 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.
- FIG. 1 is a schematic flowchart of a driving method according to an embodiment of the present invention.
- the method includes the following steps:
- the mobile terminal initiates a connection request to the in-vehicle terminal, and establishes a connection with the in-vehicle terminal.
- the mobile terminal and the vehicle terminal can be connected through a USB cable or through the blue Wireless connection such as teeth, wifi or NFC. After the connection, the two can perform control commands and data transmission.
- the road traffic sign scanned and recognized by the mobile terminal may be used; if the mobile terminal does not scan the road traffic sign, the navigation information in the navigation application may be used.
- the road traffic sign may include, but is not limited to, a speed limit sign, a banned horn sign, a tunnel driving light sign, a no-change lane sign, a school area sign, an accident-prone road sign, and a sharp bend sign.
- the mobile terminal If it is determined that the current vehicle driving request is a speed limit x kilometers per hour, x is greater than 0, the mobile terminal sends a speed limit command to the vehicle terminal to enable the vehicle terminal to control the throttle and brake of the user's vehicle, and maintain the vehicle speed less than x.
- x kilometers per hour
- the mobile terminal sends a prohibition horn command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to lock the horn of the user's car, ignoring the honking operation of the user;
- the mobile terminal sends a light-on command to the vehicle-mounted terminal to enable the vehicle-mounted terminal to turn on the light of the user's automobile;
- the mobile terminal If it is determined that the current driving requirement of the automobile is a prohibited lane change, the mobile terminal prompts the user to prohibit the lane change here, and sends a prohibition lane changing instruction to the vehicle terminal to make the vehicle terminal ignore the current lane changing operation of the user;
- the mobile terminal If it is determined that the current vehicle driving request is slowing down, the mobile terminal prompts the user to slow down and sends a deceleration command to the vehicle-mounted terminal to cause the vehicle-mounted terminal to reduce the vehicle speed of the user's vehicle. For example, if the front is a school area, an accident-prone area, or a sharply curved section, you can choose to reduce the speed.
- the mobile terminal in the embodiment of the present invention can identify various road traffic signs and send corresponding instructions to the vehicle terminal, by controlling the direction, speed, lights, speakers, steering wheels, etc. of the car. Achieve assistance to the driver.
- the embodiment of the invention scans the road traffic sign and reminds the user through the mobile terminal, and can even directly control the car to drive for the scanned road traffic sign, which can greatly improve the safety of driving.
- 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.
- 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.
- 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.
- the mobile terminal initiates a connection request to the in-vehicle terminal to establish a connection with the in-vehicle terminal.
- Also includes:
- 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 password comprises a fingerprint password, an iris password, a digital password or a gesture password.
- 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.
- 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 safety of driving can be improved, and the deduction or even accident caused by the driving failure of the road traffic sign when the user is not concentrated can be avoided; by detecting the distance from the preceding vehicle and The control of the brake can realize the pre-collision and avoid the occurrence of rear-end collision.
- 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 improving the user experience.
- FIG. 2 is a schematic structural diagram of a system according to an embodiment of the present invention.
- 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;
- the mobile terminal is further configured to start a navigation application installed on the mobile terminal and turn on a rear camera of the mobile terminal; and read the navigation application Navigating information, and scanning and recognizing a road traffic sign in front of the user's car through the rear camera, determining a driving requirement of the road corresponding to the road traffic sign according to the navigation information and the identified road traffic sign;
- the driving requirement of the vehicle reminds the user to perform a corresponding driving operation or send a corresponding driving operation instruction to the vehicle-mounted terminal;
- the vehicle-mounted terminal 200 is configured to perform corresponding control on the user's car according to the received driving operation instruction sent by the mobile terminal;
- the mobile terminal 100 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.
- 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;
- the mobile terminal 100 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.
- the mobile terminal 100 is further configured to:
- 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 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 password comprises a fingerprint password, an iris password, a digital password or a gesture password.
- the road traffic sign comprises a speed limit sign, a banned horn sign, a tunnel driving light sign, a no-change lane sign, a school area sign, an accident-prone road sign, and a sharp bend sign.
- the mobile terminal is further configured to send a speed limit command to the vehicle vehicle terminal, where the vehicle terminal is further used to control a user car.
- the throttle and brakes maintain a speed of less than x kilometers per hour;
- the mobile terminal is further configured to send a prohibiting horn command to the vehicular terminal, and the vehicular terminal is further configured to lock the horn of the user's car, ignoring the honking operation of the user;
- the mobile terminal is further configured to send a light-on command to the vehicle-mounted terminal, and the vehicle-mounted terminal is further configured to open a light of the user's automobile;
- the mobile terminal is further configured to prompt the user to disable the lane change and send a prohibition lane change command to the vehicle terminal, and the vehicle terminal is further configured to ignore the current current user.
- Change lane operation If it is determined that the current driving requirement of the car is a prohibited lane change, the mobile terminal is further configured to prompt the user to disable the lane change and send a prohibition lane change command to the vehicle terminal, and the vehicle terminal is further configured to ignore the current current user. Change lane operation
- the mobile terminal is further configured to prompt the user to slow down and send a deceleration command to the in-vehicle terminal, and the in-vehicle terminal is further configured to reduce the vehicle speed of the user's car.
- the present invention has the following advantages:
- 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; by detecting the road traffic sign Auxiliary user driving can improve the safety of driving, avoiding the deduction or accident caused by the driver's lack of concentration when driving according to the driving requirements of road traffic signs; by detecting the distance from the preceding vehicle and controlling the brakes, it can be realized Pre-collision avoids the occurrence of rear-end collisions; by detecting the user's expression and the acceleration of the car, it can be determined whether the user is driving fatigue, and then can remind the user to stop or even control the parking and send the user to the third party, avoiding the accident caused by fatigue driving. Occurs, greatly improves the safety of driving the car; through the cooperation of the mobile terminal and the vehicle terminal to achieve the above functions, the cost of the automobile can be greatly reduced, and it is easy to implement and use, which is conducive to improving the user experience.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
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Abstract
一种驾驶方法，包括：移动终端（100）向车载终端（200）发起连接请求，与车载终端建立连接；通过移动终端确定前方道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求发送指令给车载终端以控制汽车行驶；通过移动终端确定与前车的距离，通过提醒用户及刹车控制实现预碰撞处理；通过移动终端检测用户面部表情确定用户当前是否为疲劳驾驶，并对汽车进行相应控制防止疲劳驾驶引发的事故。还公开了一种驾驶系统。采用该驾驶方法和系统可以提高汽车驾驶的智能化和安全性。
Description
本发明涉及汽车领域，尤其涉及一种驾驶方法及系统。
随着人们生活水平的不断提高，越来越多的用户和家庭拥有了自己的汽车。人们可以轻松的出行。但是随着道路上行驶的车辆越来越多，随之而来的道路交通事故也呈上升趋势。根据交通部门的资料显示，由于新手驾驶员驾驶经验不足以及疲劳驾驶的原因导致的交通事故十分之多。交通事故给国家造成巨大的经济损失和人员伤亡，已引起人们的强烈关注。
虽然随着汽车技术的飞速发展，越来越多新的安全技术如预碰撞系统、自动泊车系统等得以应用，但是配置这些新安全技术的车辆价格通常十分昂贵，普通用户无力购买和使用；且现有新技术的智能化程度还远远不够。
发明内容
本发明实施例所要解决的技术问题在于，提供一种驾驶方法及系统。以解决现有汽车智能化程度不够的问题。
为了解决上述技术问题，本发明实施例第一方面提供了一种驾驶方法，包括：
移动终端向车载终端发起连接请求，与所述车载终端建立连接；
当用户在所述移动终端上输入辅助驾驶功能开启指令时，启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端以便所述车载终端对用户汽车进行相应控制；
当用户在所述移动终端上输入预碰撞功能开启指令时，启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之
间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车；其中，所述第三预设阈值<第二预设阈值<第一预设阈值；
当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
本发明实施例第二方面提供了一种系统，包括：
移动终端，用于向车载终端发起连接请求，与所述车载终端建立连接；
当用户在所述移动终端上输入辅助驾驶功能开启指令时，所述移动终端还用于启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端；
所述车载终端用于根据接收到的移动终端发送的驾驶操作指令对用户汽车进行相应控制；
当用户在所述移动终端上输入预碰撞功能开启指令时，所述移动终端用于启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车
载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车；其中，所述第三预设阈值<第二预设阈值<第一预设阈值；
所述车载终端用于接收所述移动终端发送的第一刹车指令或第二刹车指令，进行对应的刹车操作；
当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，所述移动终端用于启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
实施本发明实施例，具有如下有益效果：
通过将移动终端和车载终端连接构成智能驾驶系统，使得配置较低且功能简单的汽车可以使用移动终端上的摄像头、传感器及处理器的功能，实现汽车驾驶智能化的目的；通过检测道路交通标志辅助用户驾驶，可以提高驾驶的安全性，避免用户精神不集中时没有按照道路交通标志的驾驶要求行驶而导致的扣分甚至事故发生；通过检测与前车的距离以及对刹车的控制，可以实现预碰撞，避免追尾事故的发生；通过检测用户表情及汽车加速度变化，可以确定用户是否在疲劳驾驶，进而可以提醒用户停车休息甚至控制停车及发送用户情况给第三方，避免了疲劳驾驶导致的事故发生，大大提高了汽车驾驶的安全性；通过移动终端与车载终端的配合实现上述功能，可以大大降低汽车的成本，易于实现和使用，利于提升用户的使用体验。
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例一种驾驶方法的流程示意图；
图2是本发明实施例一种系统的组成示意图。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例中的移动终端可以包括智能手机(如Android手机、iOS手机、Windows Phone手机等)、平板电脑、掌上电脑、笔记本电脑、移动互联网设备(MID，Mobile Internet Devices)或穿戴式设备等，其具备摄像头和加速度传感器，可拍摄图片和视频通话，还可以检测汽车行驶速度及方向变化。上述移动终端仅是举例，而非穷举，包含但不限于上述移动终端。
本发明实施例中的车载终端可以是汽车内部集成的中控导航终端，也可以是与汽车外挂的终端，且可以控制汽车的灯光、喇叭、方向盘、刹车和油门等。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”和“第三”等是用于区别不同对象，而非用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
请参照图1，为本发明实施例一种驾驶方法的流程示意图，在本实施例中，所述方法包括以下步骤：
S101，移动终端向车载终端发起连接请求，与所述车载终端建立连接。
可选地，移动终端与车载终端之间可以通过USB线连接，也可以通过蓝
牙、wifi或NFC等无线方式连接。连接之后，二者可以进行控制指令和数据传输。
S102，当用户在所述移动终端上输入辅助驾驶功能开启指令时，启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端以便所述车载终端对用户汽车进行相应控制。
可选地，当移动终端未安装导航应用时，则可以以移动终端扫描并识别的道路交通标志为准；若移动终端未扫描到道路交通标志，则可以以导航应用中的导航信息为准。二者相互呼应确认，则可以提高汽车驾驶要求的准确性。
可选地，所述道路交通标志可以包括但不限于限速标志、禁止鸣喇叭标志、隧道开车灯标志、禁止变道标志、学校区域标志、事故多发路段标志、急弯标志。
若确定当前汽车驾驶要求为限速x公里每小时，x大于0，则所述移动终端向所述车载终端发送限速指令以使所述车载终端控制用户汽车的油门和刹车，维持车速小于x公里每小时；
若确定当前汽车驾驶要求为禁止鸣喇叭，则所述移动终端向所述车载终端发送禁止喇叭指令以使所述车载终端锁死用户汽车的喇叭，忽略用户的鸣喇叭操作；
若确定当前汽车驾驶要求为隧道开灯，则所述移动终端向所述车载终端发送开灯指令以使所述车载终端打开用户汽车的车灯；
若确定当前汽车驾驶要求为禁止变道，则所述移动终端提示用户此处禁止变道，并向所述车载终端发送禁止变道指令以使所述车载终端忽略用户当前的变道操作；
若确定当前汽车驾驶要求为减速慢行，则所述移动终端提示用户减速慢行并向所述车载终端发送减速指令以使所述车载终端降低用户汽车的车速。例如前方为学校区域、事故多发地段、急弯路段等，则可以选择降低车速。
需要说明的是，除了上述道路交通标志以外，本发明实施例中的移动终端可以识别各类道路交通标志并发送相应的指令给车载终端，通过控制汽车的方向、速度、灯光、喇叭、方向盘等实现对驾驶员的辅助。
由于汽车的安全主要取决于人的因素，而人的注意力往往无法在驾驶全程保持一致。如果驾驶员驾驶经验不足或反应不足，会造成对道路交通标志反应不及，进而导致驾驶不规范的现象发生，造成车祸发生。本发明实施例通过移动终端扫描道路交通标志并提醒用户，甚至可以直接控制汽车针对扫描到的道路交通标志来进行行驶，可以大大提升驾驶的安全性。
S103，当用户在所述移动终端上输入预碰撞功能开启指令时，启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车。
其中，所述第三预设阈值<第二预设阈值<第一预设阈值。
通过移动终端的摄像头进行测距，并提示用户控制跟车距离，在距离较小时直接控制刹车，从而可以避免追尾事故，且通过移动终端实现，无需增加汽车成本。
S104，当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
通过移动终端的前置摄像头捕捉用户面部表情，并结合预设的表情库来判断用户是否处于疲劳驾驶状态，进而提醒用户停车休息。从而可以避免用户因疲劳驾驶引发的交通事故，提升了驾驶的安全性。且通过通知第三方及控制刹车的方式，可以确保疲劳用户继续行驶，进一步确保驾驶的安全性。
可选地，由于一个家庭中可能有多个汽车用户使用一台汽车，或者用户会将汽车借给其他朋友使用，因此，在移动终端向车载终端发起连接请求，与所述车载终端建立连接之后，还包括：
根据用户输入的密码确定用户身份；
若当前用户与上一次使用汽车的用户身份不同,则根据确定的用户身份读取用户的驾驶数据，所述驾驶数据由所述移动终端存储或上传至云端服务器存储；所述驾驶数据包括座椅调节数据、后视镜调节数据和音乐类型喜好数据；
将读取到的驾驶数据发送给所述车载终端以使所述车载终端调节座椅和后视镜，并加载相应类型的音乐。
可选地，所述密码包括指纹密码、虹膜密码、数字密码或手势密码。
通过用户身份确认，可以自适应调节相关驾驶参数，用户在调整一次之后便可以保存数据以便下次直接使用，十分方便。
在本实施例中，通过将移动终端和车载终端连接构成智能驾驶系统，使得配置较低且功能简单的汽车可以使用移动终端上的摄像头、传感器及处理器的功能，实现汽车驾驶智能化的目的；通过检测道路交通标志辅助用户驾驶，可以提高驾驶的安全性，避免用户精神不集中时没有按照道路交通标志的驾驶要求行驶而导致的扣分甚至事故发生；通过检测与前车的距离以及对刹车的控制，可以实现预碰撞，避免追尾事故的发生；通过检测用户表情及汽车加速度变化，可以确定用户是否在疲劳驾驶，进而可以提醒用户停车休息甚至控制停车及发送用户情况给第三方，避免了疲劳驾驶导致的事故发生，大大提高了汽车驾驶的安全性；通过移动终端与车载终端的配合实现上述功能，可以大大降低汽车的成本，易于实现和使用，利于提升用户的使用体验。
请参照图2，为本发明实施例一种系统的组成示意图，在本实施例中，所述系统包括：移动终端100和车载终端200。
移动终端100，用于向车载终端发起连接请求，与所述车载终端建立连接；
当用户在所述移动终端上输入辅助驾驶功能开启指令时，所述移动终端还用于启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端；
所述车载终端200用于根据接收到的移动终端发送的驾驶操作指令对用户汽车进行相应控制；
当用户在所述移动终端上输入预碰撞功能开启指令时，所述移动终端100用于启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车；其中，所述第三预设阈值<第二预设阈值<第一预设阈值；
所述车载终端200用于接收所述移动终端发送的第一刹车指令或第二刹车指令，进行对应的刹车操作；
当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，所述移动终端100用于启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
可选地，所述移动终端100还用于：
根据用户输入的密码确定用户身份；
若当前用户与上一次使用汽车的用户身份不同,则根据确定的用户身份读取用户的驾驶数据，所述驾驶数据由所述移动终端存储或上传至云端服务器存储；所述驾驶数据包括座椅调节数据、后视镜调节数据和音乐类型喜好数据；
将读取到的驾驶数据发送给所述车载终端；
所述车载终端还用于根据所述移动终端发送的驾驶数据调节座椅和后视镜，并加载相应类型的音乐。
可选地，所述密码包括指纹密码、虹膜密码、数字密码或手势密码。
可选地，所述道路交通标志包括限速标志、禁止鸣喇叭标志、隧道开车灯标志、禁止变道标志、学校区域标志、事故多发路段标志、急弯标志。
可选地，若确定当前汽车驾驶要求为限速x公里每小时，x大于0，则所述移动终端还用于向所述车载终端发送限速指令，所述车载终端还用于控制用户汽车的油门和刹车，维持车速小于x公里每小时；
若确定当前汽车驾驶要求为禁止鸣喇叭，则所述移动终端还用于向所述车载终端发送禁止喇叭指令，所述车载终端还用于锁死用户汽车的喇叭，忽略用户的鸣喇叭操作；
若确定当前汽车驾驶要求为隧道开灯，则所述移动终端还用于向所述车载终端发送开灯指令，所述车载终端还用于打开用户汽车的车灯；
若确定当前汽车驾驶要求为禁止变道，则所述移动终端还用于提示用户此处禁止变道，并向所述车载终端发送禁止变道指令，所述车载终端还用于忽略用户当前的变道操作；
若确定当前汽车驾驶要求为减速慢行，则所述移动终端还用于提示用户减速慢行并向所述车载终端发送减速指令，所述车载终端还用于降低用户汽车的车速。
需要说明的是，本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其它实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。对于装置实施例而言，由于其与方法实施例基本相似，所以描述的比较简单，相关之处参见方法实施例的部分说明即可。
通过上述实施例的描述，本发明具有以下优点：
通过将移动终端和车载终端连接构成智能驾驶系统，使得配置较低且功能简单的汽车可以使用移动终端上的摄像头、传感器及处理器的功能，实现汽车驾驶智能化的目的；通过检测道路交通标志辅助用户驾驶，可以提高驾驶的安全性，避免用户精神不集中时没有按照道路交通标志的驾驶要求行驶而导致的扣分甚至事故发生；通过检测与前车的距离以及对刹车的控制，可以实现预碰撞，避免追尾事故的发生；通过检测用户表情及汽车加速度变化，可以确定用户是否在疲劳驾驶，进而可以提醒用户停车休息甚至控制停车及发送用户情况给第三方，避免了疲劳驾驶导致的事故发生，大大提高了汽车驾驶的安全性；通过移动终端与车载终端的配合实现上述功能，可以大大降低汽车的成本，易于实现和使用，利于提升用户的使用体验。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，简称ROM)或随机存储记忆体(Random Access Memory，简称RAM)等。
以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。
Claims (10)
- 一种驾驶方法，其特征在于，包括：移动终端向车载终端发起连接请求，与所述车载终端建立连接；当用户在所述移动终端上输入辅助驾驶功能开启指令时，启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端以便所述车载终端对用户汽车进行相应控制；当用户在所述移动终端上输入预碰撞功能开启指令时，启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车；其中，所述第三预设阈值<第二预设阈值<第一预设阈值；当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
- 如权利要求1所述的方法，其特征在于，在移动终端向车载终端发起连接请求，与所述车载终端建立连接之后，还包括：根据用户输入的密码确定用户身份；若当前用户与上一次使用汽车的用户身份不同,则根据确定的用户身份读取用户的驾驶数据，所述驾驶数据由所述移动终端存储或上传至云端服务器存储；所述驾驶数据包括座椅调节数据、后视镜调节数据和音乐类型喜好数据；将读取到的驾驶数据发送给所述车载终端以使所述车载终端调节座椅和后视镜，并加载相应类型的音乐。
- 如权利要求2所述的方法，其特征在于，所述密码包括指纹密码、虹膜密码、数字密码或手势密码。
- 如权利要求1所述的方法，其特征在于，所述道路交通标志包括限速标志、禁止鸣喇叭标志、隧道开车灯标志、禁止变道标志、学校区域标志、事故多发路段标志、急弯标志。
- 如权利要求4所述的方法，其特征在于，还包括：若确定当前汽车驾驶要求为限速x公里每小时，x大于0，则所述移动终端向所述车载终端发送限速指令以使所述车载终端控制用户汽车的油门和刹车，维持车速小于x公里每小时；若确定当前汽车驾驶要求为禁止鸣喇叭，则所述移动终端向所述车载终端发送禁止喇叭指令以使所述车载终端锁死用户汽车的喇叭，忽略用户的鸣喇叭操作；若确定当前汽车驾驶要求为隧道开灯，则所述移动终端向所述车载终端发送开灯指令以使所述车载终端打开用户汽车的车灯；若确定当前汽车驾驶要求为禁止变道，则所述移动终端提示用户此处禁止变道，并向所述车载终端发送禁止变道指令以使所述车载终端忽略用户当前的变道操作；若确定当前汽车驾驶要求为减速慢行，则所述移动终端提示用户减速慢行 并向所述车载终端发送减速指令以使所述车载终端降低用户汽车的车速。
- 一种系统，其特征在于，包括：移动终端，用于向车载终端发起连接请求，与所述车载终端建立连接；当用户在所述移动终端上输入辅助驾驶功能开启指令时，所述移动终端还用于启动所述移动终端上安装的导航应用并开启所述移动终端的后置摄像头；读取所述导航应用中的导航信息，并通过所述后置摄像头扫描及识别用户汽车前方的道路交通标志，根据所述导航信息和识别出的道路交通标志确定所述道路交通标志对应的汽车驾驶要求；根据确定的汽车驾驶要求提醒用户进行对应的驾驶操作或发送对应的驾驶操作指令给所述车载终端；所述车载终端用于根据接收到的移动终端发送的驾驶操作指令对用户汽车进行相应控制；当用户在所述移动终端上输入预碰撞功能开启指令时，所述移动终端用于启动所述移动终端的后置摄像头，监控用户汽车前方的车辆；若监控到用户汽车与前方的车辆之间的距离小于第一预设阈值时，则提醒用户注意跟车距离；若监控到用户汽车与前方的车辆之间的距离小于第二预设阈值时，则向所述车载终端发送第一刹车指令，通知所述车载终端踩下预设深度的刹车；若监控到用户汽车与前方的车辆之间的距离小于第三预设阈值且所述第三预设阈值接近用户汽车在当前速度下的最小刹车距离，则向所述车载终端发送第二刹车指令，通知所述车载终端踩死刹车；其中，所述第三预设阈值<第二预设阈值<第一预设阈值；所述车载终端用于接收所述移动终端发送的第一刹车指令或第二刹车指令，进行对应的刹车操作；当用户行驶时间超过预设时间或者当用户在所述移动终端上输入防疲劳驾驶功能开启指令时，所述移动终端用于启动所述移动终端的前置摄像头，捕捉用户的面部表情；若用户当前的面部表情与预存的疲劳驾驶表情库中的表情相匹配，则提醒用户停车休息并向预设终端发起视频请求以便所述预设终端的使用者查看用户当前的面部表情；若用户在所述移动终端提醒停车休息之后仍未停车休息，则进一步检测用户汽车行驶时在左、右和前三个方向上的加速度 变化，当所述三个方向上的加速度变化量达到预设变化量时，向所述车载终端发送刹车指令，通知所述车载终端踩死刹车并开启危险报警闪光灯；并向所述预设终端拨号以便所述预设终端的使用者获取用户当前的身体疲劳状况。
- 如权利要求6所述的系统，其特征在于，所述移动终端还用于：根据用户输入的密码确定用户身份；若当前用户与上一次使用汽车的用户身份不同,则根据确定的用户身份读取用户的驾驶数据，所述驾驶数据由所述移动终端存储或上传至云端服务器存储；所述驾驶数据包括座椅调节数据、后视镜调节数据和音乐类型喜好数据；将读取到的驾驶数据发送给所述车载终端；所述车载终端还用于根据所述移动终端发送的驾驶数据调节座椅和后视镜，并加载相应类型的音乐。
- 如权利要求7所述的系统，其特征在于，所述密码包括指纹密码、虹膜密码、数字密码或手势密码。
- 如权利要求6所述的系统，其特征在于，所述道路交通标志包括限速标志、禁止鸣喇叭标志、隧道开车灯标志、禁止变道标志、学校区域标志、事故多发路段标志、急弯标志。
- 如权利要求9所述的系统，其特征在于，若确定当前汽车驾驶要求为限速x公里每小时，x大于0，则所述移动终端还用于向所述车载终端发送限速指令，所述车载终端还用于控制用户汽车的油门和刹车，维持车速小于x公里每小时；若确定当前汽车驾驶要求为禁止鸣喇叭，则所述移动终端还用于向所述车载终端发送禁止喇叭指令，所述车载终端还用于锁死用户汽车的喇叭，忽略用户的鸣喇叭操作；若确定当前汽车驾驶要求为隧道开灯，则所述移动终端还用于向所述车载终端发送开灯指令，所述车载终端还用于打开用户汽车的车灯；若确定当前汽车驾驶要求为禁止变道，则所述移动终端还用于提示用户此处禁止变道，并向所述车载终端发送禁止变道指令，所述车载终端还用于忽略用户当前的变道操作；若确定当前汽车驾驶要求为减速慢行，则所述移动终端还用于提示用户减速慢行并向所述车载终端发送减速指令，所述车载终端还用于降低用户汽车的车速。
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