CN113345204B - Vehicle-mounted remote fatigue awakening method and awakening system thereof - Google Patents
Vehicle-mounted remote fatigue awakening method and awakening system thereof Download PDFInfo
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- CN113345204B CN113345204B CN202110585335.4A CN202110585335A CN113345204B CN 113345204 B CN113345204 B CN 113345204B CN 202110585335 A CN202110585335 A CN 202110585335A CN 113345204 B CN113345204 B CN 113345204B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
Abstract
The invention discloses a vehicle-mounted remote fatigue awakening method and an awakening system thereof, wherein the method comprises the steps of detecting the driving state of a driver and judging whether the driver is in a fatigue driving state; if the vehicle is in a fatigue driving state, controlling the vehicle to enter a fatigue relieving mode; under the mode is alleviated in fatigue, reduce driving speed, propelling movement safety parking area gives the driver, on the way to safety parking area in the past, continue to detect driver's driving state, judge driver's fatigue degree, awaken the driver according to preset fatigue degree grade, reach safety parking area after, control the vehicle and stop, force driver's rest until reaching preset rest duration threshold value. When a driver is in a fatigue driving state, the vehicle is controlled to enter a fatigue driving relieving mode, the fatigue degree of the driver is continuously detected in the driving process, the driver is awakened, and the vehicle is controlled to stop after the driver reaches a safe parking area, so that the fatigue feeling of the driver is reduced, and the driver is protected from safe traveling.
Description
Technical Field
The invention relates to the technical field of automobile management, in particular to a vehicle-mounted remote fatigue awakening method and an awakening system thereof.
Background
With the improvement of living standard, more and more families own one or two or even more automobiles. As automobile reserves increase, traffic safety issues become more acute. According to related researches, fatigue driving is one of the main causes of traffic accidents, the proportion of the fatigue driving reaches 48%, and the direct economic loss reaches hundreds of thousands of dollars. The driving fatigue refers to a phenomenon that a driver has a decreased driving skill objectively due to disorder of physiological and psychological functions after driving for a long time. The driver has poor or insufficient sleeping quality, and is easy to have fatigue when driving the vehicle for a long time. When a driver is in a fatigue state, untimely and inaccurate gear shifting, dull operation action and even short-time sleep sometimes occur, and the vehicle loses control capability in severe cases, so that the result is difficult to recover.
With the development of science and technology, various warning devices have been developed, some warning modes of the fatigue driving instruments commonly used in the market adopt a time setting and arrival reminding mode, the warning mode can remind a driver to rest only after arrival of time, and real-time monitoring and real-time reminding of the state of the driver cannot be performed, and after some warning devices detect fatigue driving of the driver, the drivers are generally stimulated or reminded to keep clear only by sending sound from a loudspeaker of a vehicle, so that the situation that some drivers continue driving without considering fatigue driving can not be fundamentally prevented, and effective protection can not be provided for the drivers.
Disclosure of Invention
The present invention provides a vehicle-mounted remote fatigue wake-up method and a wake-up system thereof, so as to solve the problems proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an in-vehicle remote fatigue wake-up method, the method comprising:
detecting the driving state of a driver, and judging whether the current driving state of the driver is in a fatigue driving state;
if the vehicle is in a fatigue driving state, controlling the vehicle to enter a fatigue relieving mode;
under the mode is alleviated in fatigue, reduce driving speed, propelling movement safety parking area gives the driver, on the way to safety parking area in the past, continue to detect driver's driving state, judge driver's fatigue degree, awaken the driver according to preset fatigue degree grade, reach safety parking area after, control the vehicle and stop, force driver's rest until reaching preset rest duration threshold value.
Further, the detecting the driving state of the driver, and the determining whether the current driving state of the driver is in the fatigue driving state includes:
capturing facial features of a driver through a vehicle-mounted terminal, wherein the facial features comprise at least two of eyeball blood filling amount, eye closing time, eye opening degree, blinking times, eye rubbing times and beating times;
and when the numerical values of at least two facial features are larger than or equal to the preset threshold value of the corresponding facial feature, judging that the current driving state of the driver is in a fatigue driving state.
Further, the waking up the driver according to the preset fatigue degree level includes:
when the fatigue degree risk level is one grade, continuously alarming the driver;
when the fatigue degree risk level is two levels, notifying a preset emergency contact;
and when the fatigue degree risk level is three levels, starting a video call with a preset emergency contact person, wherein the video call starting time is longer than or equal to the time for going to a safe parking area.
Further, the emergency contact person conducts safe driving guidance on the driver through video call.
Furthermore, the driving route and the road condition information of the driving road of the vehicle on the driving route are obtained in the way of the forward safe parking area, the road condition and the driving trend of other vehicles near the vehicle are predicted to the driver, safe driving guidance is carried out on the driver, and the driver is guided to drive according to the driving route.
Further, the forcing the driver to rest until a preset rest duration threshold is reached includes:
acquiring the current driving time;
acquiring the fatigue state of a driver;
acquiring the historical driving time and the historical rest time of a driver;
and calculating the rest time corresponding to the current driving time according to the fatigue state of the driver, the historical driving time and the historical rest time, wherein the rest time is not less than 20 min.
An in-vehicle remote fatigue wake-up system, the system comprising:
the vehicle-mounted terminal is used for detecting the driving state of a driver and judging whether the current driving state of the driver is in a fatigue driving state;
the control terminal is in signal connection with the vehicle-mounted terminal and used for controlling the vehicle to enter a fatigue relieving mode when the current driving state of the driver is in a fatigue driving state, controlling the vehicle to reduce the driving speed under the fatigue relieving mode, controlling the vehicle-mounted terminal to push a safe parking area to the driver, controlling the vehicle-mounted terminal to continuously detect the driving state of the driver on the way to the safe parking area, judging the fatigue degree of the driver, awakening the driver according to a preset fatigue degree grade, controlling the vehicle to stop after the safe parking area is reached, and forcing the driver to rest until a preset rest duration threshold value is reached.
Further, the in-vehicle terminal includes:
the camera is used for capturing facial features of the driver so as to judge the current driving state of the driver, continuously detecting the driving state of the driver on the way to the safe parking area and judging the fatigue degree of the driver;
the prompting module is used for continuously giving an alarm to the driver when the fatigue degree risk level is one level;
and the communication module is used for informing the preset emergency contact when the fatigue degree risk level is two-level, and starting a video call with the preset emergency contact when the fatigue degree risk level is three-level, wherein the video call starting time is longer than or equal to the time for going to the safe parking area.
Further, the in-vehicle terminal includes:
the route acquisition module is used for detecting the external environment of the vehicle, determining a safe parking area, forming a driving route and pushing the driving route to a driver;
the road condition information acquisition module is used for acquiring the road condition information of a vehicle driving road on a driving route;
and the guiding module is used for predicting the road surface condition and the driving trend of other vehicles near the vehicle to guide the driver to drive safely according to the driving route.
Further, the control terminal includes:
the first acquisition module is used for acquiring the current driving time length;
the second acquisition module is used for acquiring the fatigue state of the driver;
the third acquisition module is used for the historical driving time and the historical rest time of the driver;
the calculation module is used for calculating the rest duration corresponding to the current driving duration according to the fatigue state of the driver, the historical driving duration and the historical rest duration, and the rest duration is not less than 20 min.
Compared with the prior art, the invention has the beneficial effects that:
1. when a driver is in a fatigue driving state, the invention controls the vehicle to enter a fatigue driving relieving mode, reduces the driving speed, pushes a safe parking area to the driver, continuously detects the fatigue degree of the driver in the driving process, awakens the driver according to a preset fatigue degree grade, sets total insurance for safe driving, prevents the driver from seeing subsequent early warning prompts due to the fatigue state, improves the effectiveness of the early warning prompts, controls the vehicle to stop after reaching the safe parking area, and forces the driver to rest until reaching a preset rest duration threshold value until the driver is clear, thereby reducing the fatigue feeling of the driver, preventing the driver from fatigue driving, improving the driving safety, greatly reducing traffic accidents caused by fatigue driving, being beneficial to stopping hidden dangers and providing protection for the safety of the driver, the loss of life and property is reduced;
2. the driver is awakened to different degrees according to different fatigue degree grades, so that the driver is prevented from fatigue driving, not only is simple machine monitoring and reminding performed, but also artificial monitoring of an emergency contact is added, notification is performed at the first time, and timeliness and accuracy of risk monitoring are improved;
3. on the way of going to a safe parking area, safe driving guidance is carried out on a driver, so that the driving efficiency and the driving safety are effectively improved;
4. the rest duration corresponding to the current driving duration is calculated according to the fatigue state of the driver, the historical driving duration and the historical rest duration, so that the rest duration of the driver is enough, the driver is prevented from fatigue driving, and the driving safety is improved.
Drawings
FIG. 1 is a block diagram of a vehicle-mounted remote fatigue wake-up system according to the present invention;
FIG. 2 is a flowchart of a vehicle-mounted remote fatigue wake-up method of the present invention;
in the figure: the system comprises a vehicle-mounted terminal 1, a camera 11, a route acquisition module 12, a prompt module 13, a communication module 14, a road condition information acquisition module 15, a guide module 16, a control terminal 2, a first acquisition module 21, a second acquisition module 22, a third acquisition module 23 and a calculation module 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides an in-vehicle remote fatigue wake-up system, the system includes an in-vehicle terminal 1 and a control terminal 2, the control terminal 2 is in signal connection with the in-vehicle terminal 1, the in-vehicle terminal 1 is configured to detect a driving state of a driver and determine whether a current driving state of the driver is in a fatigue driving state, in this embodiment, the in-vehicle terminal 1 includes a camera 11, a route acquisition module 12, a prompt module 13, and a communication module 14, wherein the prompt module 13 and the communication module 14 may be integrated on the camera 11 to form an integrated camera, the camera 11 captures facial features of the driver to determine the current driving state of the driver, the facial features may include at least two of eyeball congestion, eye closing time, eye opening degree, blink number, eye rubbing number, and beat number, when the values of the at least two facial features are greater than or equal to a preset threshold corresponding to the facial features, judging that the current driving state of a driver is in a fatigue driving state, in order to avoid excessive occupation of host machine resources, the driver continuously drives the vehicle for 2 hours, then starts the camera 11, if the camera 11 is started all the time, the host machine needs to calculate all the time, the resources are occupied very much, the control terminal 2 controls the vehicle to enter a fatigue relieving mode when the current driving state of the driver is in the fatigue driving state, and controls the vehicle to reduce the driving speed and prevent the vehicle from driving at high speed under the fatigue relieving mode, and the route acquisition module 12 detects the external environment of the vehicle to determine a safe parking area to form a driving route to be pushed to the driver, for example, the route acquisition module 12 can be a navigation module which plans the driving route of the vehicle reaching the safe parking area, acquires traffic intersection lane selection information, road speed limit information and the like, and the driver goes to the safe parking area according to the driving route, when the driver goes to the safe parking area, the camera 11 continuously detects the driving state of the driver, judges the fatigue degree of the driver, awakens the driver according to the preset fatigue degree level, when the risk level of the fatigue degree is one level, the prompt module 13 continuously alarms the driver, the prompt module 13 prompts by sound, such as vehicle-mounted sound alarm, loudspeaker alarm, ringtone alarm, music alarm, mechanical stimulation, such as seat vibration, slight vibration of a steering wheel and the like, so that the driver cannot fall asleep but dangerously drive, when the risk level of the fatigue degree is two levels, the communication module 14 is started, 4G or 5G flow is started, the preset emergency contact is informed, a call or short message prompt can be made, the emergency contact is informed, the attention of the emergency contact is aroused, when the risk level of the fatigue degree is three levels, the video call with the preset emergency contact is started, wherein, the time length for starting the video call is longer than or equal to the time length for going to the safe parking area, so that the emergency contact can check the condition of the driver in real time, help is given at the first time, the driver is effectively guided to get away from the bad state, the timeliness and the accuracy of risk monitoring are improved, the total insurance is set for safe driving, the condition that the driver cannot see the follow-up early warning prompt because of being in the fatigue state is prevented, the effectiveness of the early warning prompt is improved, the driver can be guided to safely drive the vehicle in the way of going to the safe parking area, wherein, the vehicle-mounted terminal 1 also comprises a road condition information acquisition module 15 and a guide module 16, the road condition information acquisition module 15 acquires the road condition of the vehicle driving road on the driving route, for example, the real-time road condition is acquired through a camera device and a radar sensing device arranged at the four sides of the vehicle and the driving trend of other vehicles near the vehicle is sensed, the method comprises the steps that a front-view camera arranged in front of a vehicle and a millimeter wave radar or a laser radar are used for judging that the vehicle runs ahead at a collision danger, a guiding module 16 is used for guiding the driver to safely drive the vehicle by predicting the road condition and the driving trend of other vehicles near the vehicle and guiding the driver to drive according to the driving route, the guiding module 16 can be used for voice broadcasting, timely reminding the driver of road selection and driving speed, avoiding other vehicles and preventing collision or rear-end collision, and can also be used for guiding the driver in a video call through an emergency contact, at the moment, the driving route of a navigation module 12, the lane selection information of a traffic intersection, the speed limit information and the like are obtained, the road condition information obtained by a road condition information obtaining module 15 is sent to the emergency contact, and meanwhile, the driving state information of the vehicle is sent to the emergency contact, for example, the image information collected by a driving assistance system ADAS of the vehicle, The method comprises the steps that image information collected by a vehicle event data recorder of a vehicle and speed information sensed by a speed sensor of the vehicle are sent to an emergency contact person, the emergency contact person can guide driving to drive according to the vehicle running state information and road condition information of a vehicle running road, timely remind a driver of road selection and driving speed, avoid other vehicles, after the emergency contact person arrives at a safe parking area, the control terminal 2 controls the vehicle to stop, and forces the driver to rest until a preset rest time threshold value is reached, wherein the control terminal 2 comprises a first acquisition module 21, a second acquisition module 22, a third acquisition module 23 and a calculation module 24, the first acquisition module 21 is used for acquiring the current driving time, for example, driving accumulated time is acquired through a DAS timing program, the vehicle running time is accumulated immediately after the vehicle is started, and the vehicle is cleared after the vehicle is stationary for a certain time, the second obtaining module 22 obtains the fatigue state of the driver, for example, the fatigue degree grade of the driver is obtained through the data of the camera 11, the third obtaining module 23 obtains the historical driving time and the historical rest time of the driver, for example, the historical driving time of each time is obtained through the timing program of the DAS system, the rest time of the driver in the vehicle is obtained through the image information shot by the vehicle-mounted camera, the rest time of the driver outside the vehicle is obtained according to the navigation information of the parking position of the vehicle, the rest time of the driver after the driving is comprehensively calculated, the calculating module 24 calculates the rest time corresponding to the current driving time according to the fatigue state of the driver, the historical driving time and the historical rest time, the rest time is not less than 20min, thereby reducing the fatigue feeling of the driver, preventing the driver from fatigue driving, and improving the driving safety, traffic accidents caused by fatigue driving are greatly reduced, hidden dangers are avoided, protection is provided for safe traveling of drivers, and loss of lives and property is reduced.
As shown in fig. 2, the present embodiment provides a vehicle-mounted remote fatigue wake-up method, which includes the following steps:
s101: detecting the driving state of a driver, and judging whether the current driving state of the driver is in a fatigue driving state;
s102: if the vehicle is in the fatigue driving state, controlling the vehicle to enter a fatigue relieving mode;
s103: under the mode is alleviated in fatigue, reduce driving speed, propelling movement safety parking area gives the driver, on the way to safety parking area in the past, continue to detect driver's driving state, judge driver's fatigue degree, awaken the driver according to preset fatigue degree grade, reach safety parking area after, control the vehicle and stop, force driver's rest until reaching preset rest duration threshold value.
Specifically, a signal connection between the control terminal 2 and the vehicle-mounted terminal 1 is established, the camera 11 captures facial features of the driver to judge the current driving state of the driver, the facial features may include at least two of congestion amount of eyeballs, eye closing time, eye opening degree, eye blinking times, eye rubbing times and eye beating times, for example, the camera 11 acquires eye image information of the driver every 3min to be superposed and compared with a preset image, when a non-superposed part (namely, congestion area of the eyeballs) reaches a preset value of 20%, it is determined that the eye congestion amount is greater than a preset threshold value a, a fatigue degree is reached, a value of 1 is obtained, and otherwise, a value of 0 is obtained; the camera 11 acquires the image information of the eyes of the driver every 3min, when the eye closing time is greater than a preset threshold value B, the fatigue degree is reached, a value 1 is acquired, and otherwise, a value 0 is acquired; the camera 11 acquires the eye image information of the driver every 3min and performs coincidence comparison with a preset image, when a non-coincident part (namely the eye closing degree) reaches a preset value of 50%, the eye opening and closing degree is judged to be smaller than a preset threshold value C, the fatigue degree is reached, a value of 1 is obtained, and otherwise, a value of 0 is obtained; when the blinking number of times within 5min is larger than a preset threshold value D, the fatigue degree is reached, a numerical value 1 is obtained, otherwise, a numerical value 0 is obtained; when the eye rubbing times is larger than a preset threshold value E within 5min, the fatigue degree is reached, a value 1 is obtained, otherwise, a value 0 is obtained; when the beating times within 5min are larger than a preset threshold value F, the fatigue degree is reached, a value 1 is obtained, otherwise, a value 0 is obtained; when the numerical values of at least two facial features are larger than or equal to the preset threshold values of the corresponding facial features, judging that the current driving state of the driver is in a fatigue driving state, controlling the vehicle to enter a fatigue relieving mode when the current driving state of the driver is in the fatigue driving state, controlling the vehicle to reduce the driving speed in the fatigue relieving mode, planning a driving route of the vehicle reaching a safe parking area by a navigation module, acquiring lane selection information, road speed limit information and the like at a traffic intersection, continuously detecting the driving state of the driver in the forward safe parking area by a camera 11 according to the driving route, judging the fatigue degree of the driver, awakening the driver according to the preset fatigue degree grade, and when the fatigue degree risk grade is one grade (the numerical values of at least two facial features are larger than or equal to the preset threshold values of the corresponding facial features), the prompting module 13 gives a continuous alarm to the driver, the prompting module 13 gives an audible prompt, such as a car audio alarm, a speaker alarm, a ring alarm, a music alarm, or a mechanical stimulus, such as seat vibration, steering wheel slight vibration, etc., when the fatigue degree risk level is of two levels (the values of at least three facial features are greater than or equal to the preset threshold values of the corresponding facial features), the communication module 14 is started, 4G or 5G flow is started, a preset emergency contact is notified, a call or short message prompt can be made to notify the emergency contact, the attention of the emergency contact is called, when the fatigue degree risk level is of three levels (the values of at least two facial features are greater than or equal to the preset threshold values of the corresponding facial features), a video call with the preset emergency contact is started, wherein the video call is started for a time period greater than or equal to the time period for going to a safe parking area, the guiding module 16 can be used for guiding the driver to drive according to the driving route, timely reminding the driver of road selection, driving speed and avoiding other vehicles to prevent collision or rear-end collision, and certainly guiding the driver in a video call through emergency contacts, at this time, the driving route of the navigation module 12, the lane selection information of the acquired traffic intersection, the speed limit information of the road, etc. and the road condition information acquired by the road condition information acquisition module 15 are sent to the emergency contact person, and at the same time, the driving state information of the vehicle is sent to the emergency contact person, for example, the image information acquired by the driving assistance system ADAS of the vehicle, the image information acquired by the vehicle recorder of the vehicle, the speed information sensed by the speed sensor of the vehicle, and the driving state information of the vehicle is sent to the emergency contact person, and the emergency contact person can guide the driving according to the driving state information of the vehicle and the road condition information of the driving road of the vehicle, prompt the driver to select and drive the road, avoid other vehicles, after reaching the safe parking area, the control terminal 2 controls the vehicle to stop, and force the driver to rest until reaching the preset rest time threshold value, the driving accumulated time is obtained through a DAS timing program, the driving time of a vehicle is accumulated after the vehicle is started, the vehicle is accumulated and cleared after the vehicle is stationary for a certain time, the fatigue degree grade of the driver is obtained through the data of a camera 11, the historical driving time of each time is obtained through the DAS timing program, the rest time of the driver in the vehicle is obtained through the image information shot by a vehicle-mounted camera, the rest time of the driver outside the vehicle is obtained according to the navigation information of the parking position of the vehicle, the rest time of the driver after the driving is comprehensively calculated, the rest time corresponding to the current driving time is calculated through a calculation module 24 according to the fatigue state, the historical driving time and the historical rest time of the driver, the rest time can be trained through a neural network model, and the network model is used for training according to the fatigue state, the historical driving time and the historical rest time of the driver, obtaining a rest duration model after training, wherein the rest duration model after training takes a fatigue state, a historical driving duration and a historical rest duration of a driver as input, and takes a rest duration which accords with the driver as output, for example, a certain driving duration is 3.5 hours, the rest duration of the time is 20min, if the driving time is 3.5 hours, if the fatigue degree of the time is one level, the rest duration of the time can be 20min, if the fatigue degree of the time is two levels, the rest duration of the time can be 25min to 35min, if the fatigue degree of the time is three levels, the rest duration of the time can be 35min to 45min, that is, the rest duration is considered by integrating the fatigue degree of the driver, when the rest duration is reached, the camera 11 can also detect the driving state of the driver, and when the driver is in a waking state, that is: when the driver does not have the above-described concentration of facial features, the control vehicle may be started.
When a driver is in a fatigue driving state, the invention controls the vehicle to enter a fatigue driving relieving mode, reduces the driving speed, pushes a safe parking area to the driver, continuously detects the fatigue degree of the driver in the driving process, awakens the driver according to a preset fatigue degree grade, sets total insurance for safe driving, prevents the driver from seeing subsequent early warning prompts due to the fatigue state, improves the effectiveness of the early warning prompts, controls the vehicle to stop after reaching the safe parking area, and forces the driver to rest until reaching a preset rest duration threshold value until the driver is clear, thereby reducing the fatigue feeling of the driver, preventing the driver from fatigue driving, improving the driving safety, greatly reducing traffic accidents caused by fatigue driving, being beneficial to stopping hidden dangers and providing protection for the safety of the driver, the loss of life and property is reduced; awakening the driver to different degrees according to different fatigue degree grades to prevent the driver from fatigue driving; on the way of going to a safe parking area, safe driving guidance is carried out on a driver, so that the driving efficiency and the driving safety are effectively improved; the rest duration corresponding to the current driving duration is calculated according to the fatigue state of the driver, the historical driving duration and the historical rest duration, so that the rest duration of the driver is enough, the driver is prevented from fatigue driving, and the driving safety is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A vehicle-mounted remote fatigue awakening method is characterized by comprising the following steps:
detecting the driving state of a driver, and judging whether the current driving state of the driver is in a fatigue driving state;
if the vehicle is in a fatigue driving state, controlling the vehicle to enter a fatigue relieving mode;
in a fatigue relieving mode, reducing the driving speed, pushing a safe parking area to a driver, continuously detecting the driving state of the driver on the way to the safe parking area, judging the fatigue degree of the driver, awakening the driver according to a preset fatigue degree grade, controlling the vehicle to stop after reaching the safe parking area, and forcing the driver to rest until reaching a preset rest duration threshold value;
wherein forcing the driver to rest until a preset rest duration threshold is reached comprises:
acquiring the current driving time;
acquiring the fatigue state of a driver;
acquiring the historical driving time and the historical rest time of a driver;
and calculating the rest duration corresponding to the current driving duration according to the fatigue state of the driver, the historical driving duration and the historical rest duration, wherein the rest duration is not less than 20 min.
2. The vehicle-mounted remote fatigue awakening method according to claim 1, wherein the step of detecting the driving state of the driver and the step of judging whether the current driving state of the driver is in the fatigue driving state comprises the following steps:
capturing facial features of a driver through a vehicle-mounted terminal, wherein the facial features comprise at least two of eyeball blood filling amount, eye closing time, eye opening degree, blinking times, eye rubbing times and beating times;
and when the numerical values of at least two facial features are larger than or equal to the preset threshold value of the corresponding facial feature, judging that the current driving state of the driver is in a fatigue driving state.
3. The vehicle-mounted remote fatigue wake-up method according to claim 1 or 2, wherein the waking up the driver according to the preset fatigue level comprises:
when the fatigue degree risk level is one grade, continuously alarming the driver;
when the fatigue degree risk level is two levels, notifying a preset emergency contact;
and when the fatigue degree risk level is three levels, starting a video call with a preset emergency contact person, wherein the video call starting time is longer than or equal to the time for going to the safe parking area.
4. The vehicle-mounted remote fatigue wake-up method according to claim 3, characterized in that: the emergency contact person conducts safe driving guidance on the driver through the video call.
5. The vehicle-mounted remote fatigue wake-up method according to claim 1 or 4, characterized in that: and on the way of going to the safe parking area, acquiring the driving route and road condition information of the driving road of the vehicle on the driving route, predicting the road condition and the driving trend of other vehicles nearby the vehicle to guide the driver to drive safely according to the driving route.
6. The utility model provides a vehicle-mounted remote fatigue awakens system which characterized in that: the system comprises:
the vehicle-mounted terminal is used for detecting the driving state of a driver and judging whether the current driving state of the driver is in a fatigue driving state;
control terminal, with vehicle mounted terminal signal connection, be used for being in the fatigue driving state at driver's current driving state, control vehicle gets into fatigue and alleviates the mode, in the fatigue and alleviates the mode, control vehicle reduces the speed of driving, control vehicle mounted terminal propelling movement safety parking area gives the driver, on the way in preceding safety parking area, control vehicle mounted terminal continues to detect driver's driving state, judge driver's fatigue degree, awaken the driver according to predetermined fatigue degree grade, reach safety parking area after, control vehicle stops, force driver's rest until reaching predetermined rest time length threshold value, control terminal includes:
the first acquisition module is used for acquiring the current driving time length;
the second acquisition module is used for acquiring the fatigue state of the driver;
the third acquisition module is used for the historical driving time and the historical rest time of the driver;
the calculation module is used for calculating the rest duration corresponding to the current driving duration according to the fatigue state of the driver, the historical driving duration and the historical rest duration, and the rest duration is not less than 20 min.
7. The vehicle-mounted remote fatigue wake-up system according to claim 6, wherein the vehicle-mounted terminal comprises:
the camera is used for capturing facial features of the driver so as to judge the current driving state of the driver, continuously detecting the driving state of the driver on the way to the safe parking area and judging the fatigue degree of the driver;
the prompting module is used for continuously giving an alarm to the driver when the fatigue degree risk level is one level;
and the communication module is used for informing the preset emergency contact when the fatigue degree risk level is in a second level, and starting a video call with the preset emergency contact when the fatigue degree risk level is in a third level, wherein the video call starting time is longer than or equal to the time for going to the safe parking area.
8. The vehicle-mounted remote fatigue wake-up system according to claim 6 or 7, characterized in that: the vehicle-mounted terminal includes:
the route acquisition module is used for detecting the external environment of the vehicle, determining a safe parking area, forming a driving route and pushing the driving route to a driver;
the road condition information acquisition module is used for acquiring the road condition information of a vehicle driving road on a driving route;
and the guiding module is used for predicting the road surface condition and the driving trend of other vehicles near the vehicle to guide the driver to drive safely according to the driving route.
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| CN113990033A (en) * | 2021-09-10 | 2022-01-28 | 南京融才交通科技研究院有限公司 | Vehicle traffic accident remote take-over rescue method and system based on 5G internet of vehicles |
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