CN112687076A - Method and device for preventing fatigue driving and bracelet - Google Patents
Method and device for preventing fatigue driving and bracelet Download PDFInfo
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- CN112687076A CN112687076A CN202011479138.6A CN202011479138A CN112687076A CN 112687076 A CN112687076 A CN 112687076A CN 202011479138 A CN202011479138 A CN 202011479138A CN 112687076 A CN112687076 A CN 112687076A
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Abstract
The invention relates to a method, a device and a bracelet for preventing fatigue driving, wherein the method comprises the following steps: acquiring a driver signal in real time; carrying out data mining on the driver signals, and analyzing and comparing to give driving state evaluation; verifying the driving state according to the driving state evaluation; and performing corresponding action according to the driving state assessment. The invention analyzes and judges whether the driver is in a fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of data collected and stored previously, and has the characteristics of high monitoring accuracy, comprehensive consideration, adaptability to severe environment, high response speed, low manufacturing cost and the like.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for preventing fatigue driving and a bracelet.
Background
With the rapid development of science and technology and economy, automobiles become the main vehicles of people basically. However, as more and more automobiles travel on the road, traffic accidents occur more and more. The main reason is caused by fatigue driving which is not intended by people, and huge economic loss and personal injury are caused, so that the method has important practical significance for the research of the fatigue driving prevention system.
Fatigue driving refers to the phenomenon that when a driver drives for a long time or is tired excessively all night, the driver produces the imbalance of psychological and physiological functions, and phenomena such as attention deficit, reaction retardation, dull eyes, soreness and pain of limbs and the like occur. Fatigue driving is generated by drivers in a large system of man-vehicle-environment. During driving, a driver needs to pay attention to the road condition all the time and judges vehicles and pedestrians in real time. In the process, the attention of the driver is always in a high stress state, and mental fatigue is relatively easy to cause. Meanwhile, the fatigue of the shoulders, arms, legs, feet and other parts of the driver can be caused by continuously operating the automobile by the limbs of the driver, the fatigue of the waist and the back is caused by long-time fixation of the sitting posture, and the factors comprehensively cause the mental and physical fatigue of the driver.
In the related art, the detection technology for the fatigue state of the driver mainly focuses on facial image recognition, that is, whether the driver is tired is determined by recognizing the closing frequency, expression, and the like of the eyes of the driver through several cameras installed inside the vehicle. The technology has low installation and use popularization rate due to the reasons of complex equipment, inconvenient use and the like, only carries out voice reminding when detecting that a driver is in a fatigue state, does not have active vehicle control measures, and has little effect on the voice reminding when the driver enters the fatigue state.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the method, the device and the bracelet for preventing the fatigue driving, which are used for analyzing and judging whether the driver is in the fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of previously collected and stored data.
In order to solve the technical problems, the method, the device and the bracelet for preventing fatigue driving provided by the invention have the following technical scheme:
in a first aspect, an embodiment of the invention discloses a method for preventing fatigue driving, which includes the following steps:
acquiring a driver signal in real time;
carrying out data mining on the driver signals, and analyzing and comparing to give driving state evaluation;
verifying the driving state according to the driving state evaluation;
and performing corresponding action according to the driving state assessment.
In any of the above aspects, preferably, the driver signal acquired in real time includes:
the pulse signals are acquired by the pulse signal processing module in real time, amplified, filtered and shaped and stored in the data storage module, or
Brain wave signals acquired in real time, which are signals acquired by a brain wave sensor and stored in a data storage module, or
And the image signals are acquired in real time and are signals acquired by the video image acquisition module and stored in the data storage module.
In any of the above aspects, preferably, the method for preventing fatigue driving further includes:
and comparing and matching the pulse signals or brain wave signals or image signals stored in the data storage module, and obtaining the fatigue state of the driver.
In any of the above aspects, preferably, the method for preventing fatigue driving further includes:
the method comprises the steps of acquiring the running track of a traffic carrier in real time, acquiring the running track of the traffic carrier by a GPS or Beidou positioning system, and analyzing and judging the detected running track of the traffic carrier.
In any of the above aspects, preferably, the method for analyzing and determining the travel track of the transportation vehicle includes:
taking a driving route in a current period of time, and comparing the driving route with information stored and recorded previously;
if the deviation delta of the driver from the route is less than or equal to 50%, comparing the deviation with preset characteristics of the driver, and if the deviation meets the preset characteristics of the fatigue driving state, not sending out a warning;
if the driver deviates from the route by 50 percent and delta is less than or equal to 80 percent, reminding is carried out through an indicator light;
if the driver deviates from the route by delta > 80%, a warning signal is sent out through the indicator lamp and the in-vehicle sound, and the vehicle is assisted to stop properly in a deceleration mode.
In any of the above aspects, preferably, the method for preventing fatigue driving further includes:
the method comprises the steps of acquiring driving time in real time, grading and reminding a driver according to the driving time, wherein the driving time is calculated by a clock module, the grading is light fatigue when the driver continuously drives for 1-2 hours, moderate fatigue when the driver continuously drives for 2-3 hours, extreme fatigue when the driver continuously drives for 3-4 hours, and the reminding is made when the driver continuously drives for more than a preset extreme fatigue time period.
In any of the above aspects, preferably, the method for preventing fatigue driving further includes:
when a driver is in fatigue driving, the alarm module is controlled to give an alarm, the counting is started, the driver is forced to stop for rest, and the alarm is released until the speed of the traffic vehicle is reduced to 0 within the preset time;
if the traffic carrier does not stop within the preset time, the positioning information and the alarm information are sent to the control terminal through the wireless transmitting module, the double-flash lamp is forcibly turned on, and the alarm sound intensity is enhanced.
The invention analyzes and judges whether the driver is in a fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of data collected and stored previously, and has the characteristics of high monitoring accuracy, comprehensive consideration, adaptability to severe environment, high response speed, low manufacturing cost and the like.
When the driver is in a fatigue driving state, the automobile double-flashing light is turned on to give an alarm, the speed of the automobile is reduced, the sound box is turned on to play a prompt tone and the like, so that the driver can prompt the spirit and drive safely in time, and when the driver is in a serious fatigue state, the traffic vehicle is automatically controlled to enter a parking state. And the structure is simple and the use is very convenient.
In a second aspect, an apparatus for preventing fatigue driving includes:
the acquisition module is used for acquiring a driver signal in real time, wherein the driver signal is a pulse signal acquired in real time, the pulse signal is acquired by the pulse signal processing module and is amplified, filtered and shaped, and then is stored in the data storage module, or is a brain wave signal acquired in real time, the brain wave signal is acquired by the brain wave sensor and is stored in the data storage module, or is an image signal acquired in real time, and the image signal is acquired by the video image acquisition module and is stored in the data storage module;
the analysis module is used for carrying out data mining on the driver signals, analyzing and comparing to give driving state evaluation, and verifying the driving state according to the driving state evaluation;
and the control module is used for making corresponding actions according to the driving state evaluation.
In any of the above schemes, preferably, the analysis module further comprises a module for comparing and matching the pulse signals or brain wave signals or image signals stored in the data storage module, and obtaining the fatigue state of the driver.
The invention analyzes and judges whether the driver is in a fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of data collected and stored previously, and has the characteristics of high monitoring accuracy, comprehensive consideration, adaptability to severe environment, high response speed, low manufacturing cost and the like.
When the driver is in a fatigue driving state, the automobile double-flashing light is turned on to give an alarm, the speed of the automobile is reduced, the sound box is turned on to play a prompt tone and the like, so that the driver can prompt the spirit and drive safely in time, and when the driver is in a serious fatigue state, the traffic vehicle is automatically controlled to enter a parking state. And the structure is simple and the use is very convenient.
In a third aspect, the bracelet comprises the device for preventing fatigue driving.
The third aspect of the present invention plays the same role as the second aspect and the first aspect, and therefore, the description thereof is omitted.
Drawings
The drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
FIG. 1 is a schematic diagram of a method of preventing fatigue driving according to the present invention;
FIG. 2 is a schematic view of a bracelet according to the present invention;
FIG. 3 is a schematic diagram of the operation of a video image capturing module in the method for preventing fatigue driving according to the present invention;
fig. 4 is a schematic diagram of an analysis method of a central processing module in the method for preventing fatigue driving according to the present invention.
Fig. 5 is a schematic view of an apparatus for preventing fatigue driving according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the technical solutions of the present invention will be described in detail below with reference to the drawings and the detailed description of the present invention.
Example (b):
in a first aspect, as shown in fig. 1 and fig. 2, an embodiment of the present invention discloses a method for preventing fatigue driving, including the following steps:
step 1: driver signals are acquired in real time.
In the invention, a driver wears a bracelet 1 on the wrist, a pulse signal processing module, a data storage module and a central processing module are arranged in the bracelet 1, the pulse signal processing module is used for acquiring a pulse signal of the driver, amplifying, filtering and shaping the pulse signal, transmitting the detected pulse signal to the central processing module, and the central processing module is connected with the data storage module and stores the detected pulse signal in the data storage module; still be provided with touch pad 2 on the bracelet 1, touch pad 2 with the central processing module electricity is connected, and consequently, the driver can be through establishing personal information archives on the touch pad, personal information archives include race of the person, age, sex, brain wave signal, iris characteristic and name etc. in addition, the driver still can be according to self condition, through touch-sensitive screen input relevant parameter, like driving time limit, warning mode etc to adapt to driver individual difference, and store personal information archives in the data storage module, consequently after having stored information, can wear the bracelet on the wrist, can travel.
For example, the brain wave sensor can be placed on the cap preferred by the driver, the signals of the brain waves are transmitted to the central processing unit through wireless transmission, the central processing unit stores the acquired brain wave signals of the driver in the data storage module, the real-time acquired brain wave signals are compared with the brain wave signals stored in the data storage module, the brain wave data of the driver are compared, and the fatigue state of the driver is given.
As shown in fig. 3, in the present invention, in order to improve the accuracy of the acquired driver signal, a video image acquisition module may be disposed on the vehicle, and acquire the driving route of the transportation vehicle and the iris state characteristics of the driver in real time, and send the iris state characteristics of the driver to the central processing module, and the central processing module stores information in the data storage module, for example: the video image acquisition module can be a camera or an infrared sensor or an iris detection camera and the like, a driver drives an automobile to acquire initial information under the state of confirming that the driver is full of mind, the information comprises the distance of the automobile deviating from a lane, iris characteristics and brain wave characteristics, the information is stored in the data storage module, in addition, a camera capable of adjusting the up-down and left-right positions can be placed right above the front of the driver, the camera can acquire images under various conditions of daytime, nighttime, backlight and frontlighting, and the data is transmitted to the central processing module; in addition, the high-definition cameras can be respectively arranged on the left side and the right side of the front upper portion of the vehicle, lane line identification is facilitated, meanwhile, a driving route of a driver is further accurately determined by means of an infrared sensor, or a driving track of a traffic carrier is determined by a GPS or Beidou positioning system in a wireless communication mode, then data information is transmitted to the central processing module, and the central processing module stores collected information of the driver and the collected lane information in the data storage module.
Preferably, the vehicle may be a running vehicle driven by a power system. Such as passenger cars, freight cars, public transportation vehicles, etc. driven by gasoline or diesel engines, or two-wheel, three-wheel or four-wheel electric vehicles driven by motors, or transportation vehicles driven by other new energy sources as power sources.
Step 2: carrying out data mining on the driver signals, and analyzing and comparing to give driving state evaluation;
as shown in fig. 4, in the present invention, a central processing module analyzes acquired information, wherein the analysis method of the central processing module is as follows:
central processing module by switching on T0The iris state characteristics of the driver in the normal state and the iris state characteristics in T acquired at any moment1Comparing iris state characteristics of the driver acquired at any moment, and continuously detecting the fatigue degree when the judgment result is normal driving; when fatigue driving is detected, an indicator light prompt and a voice prompt are respectively given according to the fatigue degree, wherein the fatigue degree can be divided into mild fatigue, moderate fatigue and extreme fatigue.
Preferably, the central processing module further has a memory function, when the driver is actually awake while the driver is in the light fatigue state, the driver can ignore the event, and the data storage module records the operation related to the driver at the event, and when the event occurs for a plurality of times, prompts the driver whether the event is executed next time.
Preferably, when the user is uncomfortable or has some diseases and may affect the pulse, a special mode can be entered, in which condition the central processing module does not need to obtain the previous pulse information of the driver from the data storage module, and the central processing module takes the pulse data of fifteen minutes before wearing the device as reference data to compare with the later measuring device.
In order to improve the driving safety of the driver, a clock module is arranged in the bracelet, the clock module can automatically record the driving time of the driver and send the recorded information to the central processing module, the central processing module stores the data in the data storage module, the central processing module can set three levels of light fatigue, medium fatigue and extreme fatigue, each level corresponds to a time period, and when the driving time of the driver exceeds a preset time period, the reminding is made, for example, the warning device can be defined as light fatigue when driving for 1-2 hours continuously, is defined as medium fatigue when driving for 2-3 hours continuously, is defined as fatigue when driving for 3-4 hours continuously, and is made the reminding when the driving time of the driver exceeds the preset extreme time period.
And step 3: the driving state is verified based on the driving state assessment.
The central processing module is according to acquireing the driving route of driver and the iris characteristic of driver contrast match, the central processing module acquires the driving route of driver that high definition digtal camera and infrared sensor gathered in real time, then central processing module gets the driving route in ten minutes before the present moment, contrasts with the information of previous storage record, if there is great difference, then can constitute the condition of reporting to the police, if the iris characteristic of driver accords with the characteristic of the tired driving state of preset, then inform control center driver state good, concrete judgement mode is:
if the deviation delta of the driver from the route is less than or equal to 50%, the central processing module compares the iris characteristics of the driver according to the preset iris characteristics of the driver, and if the iris characteristics accord with the preset fatigue driving state characteristics, no warning is sent;
if the driver deviates from the route by 50 percent and delta is less than or equal to 80 percent, the central processing module reminds through the indicator light;
if the driver deviates from the route delta more than 80%, the central processing module controls the indicator lamp and the in-vehicle sound to send out warning signals, and the vehicle is assisted to stop by decelerating appropriately.
Preferably, the central processing module may compare the driving route of the driver with the brain wave signal of the driver or the pulse signal of the driver, the central processing module acquires the brain wave signal of the driver or the pulse signal of the driver in real time and the driving route of the driver acquired by the infrared sensor, the central processing module then acquires the driving route ten minutes before the current time, compares the driving route with the information stored and recorded previously, if there is a large difference, an alarm condition is formed, if the brain wave signal or the pulse signal of the driver meets the characteristics of a preset fatigue driving state, the control center is notified that the driver is in a good state, and the specific determination method is as follows:
if the deviation delta of the driver from the route is less than or equal to 50%, the central processing module compares the preset brain wave signals or pulse signals of the driver, and if the preset characteristics of the fatigue driving state are met, no warning is given;
if the driver deviates from the route by 50 percent and delta is less than or equal to 80 percent, the central processing module reminds through the indicator light;
if the deviation delta of the driver from the route is more than 80%, the central processing module controls the engine controller to reduce the opening of the accelerator to reduce the vehicle speed, controls the vehicle body controller to turn on the double-flash lamp to give an alarm to the outside, and enables the traffic vehicle to enter a parking state when the driver is in a severe fatigue state.
And 4, step 4: and performing corresponding action according to the driving state assessment.
When the central processing module judges that the driver is fatigue driving, the central processing module controls the alarm module to give an alarm, and the alarm is counted down for five minutes on the vehicle-mounted liquid crystal display to force the driver to stop for rest, and when the speed of the traffic vehicle is reduced to 0 within five minutes, the alarm is released; when the traffic carrier does not stop in five minutes, the central processing module can send positioning information and alarm information to the control terminal (the control terminal can be a traffic management department or a spare contact person of a driver and the like for being directly contacted with the driver, and the driver can be reminded in time) through the wireless transmitting module, and the central processing module forcibly turns on the double flashing lights, so that the alarm sound intensity is enhanced.
The invention analyzes and judges whether the driver is in a fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of data collected and stored previously, and has the characteristics of high monitoring accuracy, comprehensive consideration, adaptability to severe environment, high response speed, low manufacturing cost and the like.
When the driver is in a fatigue driving state, the automobile double-flashing light is turned on to give an alarm, the speed of the automobile is reduced, the sound box is turned on to play a prompt tone and the like, so that the driver can prompt the spirit and drive safely in time, and when the driver is in a serious fatigue state, the traffic vehicle is automatically controlled to enter a parking state. And the structure is simple and the use is very convenient.
In a second aspect, as shown in fig. 5, an embodiment of the present invention discloses a device for preventing fatigue driving, including:
the acquisition module is used for acquiring a driver signal in real time, wherein the driver signal is a pulse signal acquired in real time, the pulse signal is acquired by the pulse signal processing module and is amplified, filtered and shaped, and then is stored in the data storage module, or is a brain wave signal acquired in real time, the brain wave signal is acquired by the brain wave sensor and is stored in the data storage module, or is an image signal acquired in real time, and the image signal is acquired by the video image acquisition module and is stored in the data storage module;
the analysis module is used for carrying out data mining on the driver signals, analyzing and comparing to give driving state evaluation, and verifying the driving state according to the driving state evaluation;
and the control module is used for making corresponding actions according to the driving state evaluation.
In the invention, the analysis module is further used for comparing and matching the pulse signals or brain wave signals or image signals stored in the data storage module and obtaining the fatigue state of the driver.
In a third aspect, as shown in fig. 2, a bracelet comprises the fatigue driving prevention device.
The invention analyzes and judges whether the driver is in a fatigue driving state or not by monitoring the driving route, iris characteristics, brain waves and the like of the driver and according to a large amount of data collected and stored previously, and has the characteristics of high monitoring accuracy, comprehensive consideration, adaptability to severe environment, high response speed, low manufacturing cost and the like.
When the driver is in a fatigue driving state, the automobile double-flashing light is turned on to give an alarm, the speed of the automobile is reduced, the sound box is turned on to play a prompt tone and the like, so that the driver can prompt the spirit and drive safely in time, and when the driver is in a serious fatigue state, the traffic vehicle is automatically controlled to enter a parking state. And the structure is simple and the use is very convenient.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method of preventing fatigue driving, the method comprising the steps of:
acquiring a driver signal in real time;
carrying out data mining on the driver signals, and analyzing and comparing to give driving state evaluation;
verifying the driving state according to the driving state evaluation;
and performing corresponding action according to the driving state assessment.
2. The method of preventing fatigue driving according to claim 1, wherein the driver signal acquired in real time comprises:
the pulse signals are acquired by the pulse signal processing module in real time, amplified, filtered and shaped and stored in the data storage module, or
Brain wave signals acquired in real time, which are signals acquired by a brain wave sensor and stored in a data storage module, or
And the image signals are acquired in real time and are signals acquired by the video image acquisition module and stored in the data storage module.
3. The method of preventing fatigue driving according to claim 2, further comprising:
and comparing and matching the pulse signals or brain wave signals or image signals stored in the data storage module, and obtaining the fatigue state of the driver.
4. The method of preventing fatigue driving according to claim 3, further comprising:
the method comprises the steps of acquiring the running track of a traffic carrier in real time, acquiring the running track of the traffic carrier by a GPS or Beidou positioning system, and analyzing and judging the detected running track of the traffic carrier.
5. The method for preventing fatigue driving according to claim 4, wherein the method for analyzing and determining the driving trajectory of the transportation vehicle comprises:
taking a driving route in a current period of time, and comparing the driving route with information stored and recorded previously;
if the deviation delta of the driver from the route is less than or equal to 50%, comparing the deviation with preset characteristics of the driver, and if the deviation meets the preset characteristics of the fatigue driving state, not sending out a warning;
if the driver deviates from the route by 50 percent and delta is less than or equal to 80 percent, reminding is carried out through an indicator light;
if the driver deviates from the route by delta > 80%, a warning signal is sent out through the indicator lamp and the in-vehicle sound, and the vehicle is assisted to stop properly in a deceleration mode.
6. The method of preventing fatigue driving according to claim 5, further comprising:
the method comprises the steps of acquiring driving time in real time, grading and reminding a driver according to the driving time, wherein the driving time is calculated by a clock module, the grading is light fatigue when the driver continuously drives for 1-2 hours, moderate fatigue when the driver continuously drives for 2-3 hours, extreme fatigue when the driver continuously drives for 3-4 hours, and the reminding is made when the driver continuously drives for more than a preset extreme fatigue time period.
7. The method of preventing fatigue driving according to claim 6, further comprising:
when a driver is in fatigue driving, the alarm module is controlled to give an alarm, the counting is started, the driver is forced to stop for rest, and the alarm is released until the speed of the traffic vehicle is reduced to 0 within the preset time;
if the traffic carrier does not stop within the preset time, the positioning information and the alarm information are sent to the control terminal through the wireless transmitting module, the double-flash lamp is forcibly turned on, and the alarm sound intensity is enhanced.
8. An apparatus for preventing fatigue driving, comprising:
the acquisition module is used for acquiring a driver signal in real time, wherein the driver signal is a pulse signal acquired in real time, the pulse signal is acquired by the pulse signal processing module and is amplified, filtered and shaped, and then is stored in the data storage module, or is a brain wave signal acquired in real time, the brain wave signal is acquired by the brain wave sensor and is stored in the data storage module, or is an image signal acquired in real time, and the image signal is acquired by the video image acquisition module and is stored in the data storage module;
the analysis module is used for carrying out data mining on the driver signals, analyzing and comparing to give driving state evaluation, and verifying the driving state according to the driving state evaluation;
and the control module is used for making corresponding actions according to the driving state evaluation.
9. The apparatus for preventing fatigue driving according to claim 8, wherein the analyzing module further comprises a module for comparing and matching the pulse signal or brain wave signal or image signal stored in the data storage module and deriving the fatigue state of the driver.
10. Bracelet characterized in that it comprises a device for preventing fatigue driving according to claim 8 or 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011479138.6A CN112687076A (en) | 2020-12-15 | 2020-12-15 | Method and device for preventing fatigue driving and bracelet |
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| CN202011479138.6A CN112687076A (en) | 2020-12-15 | 2020-12-15 | Method and device for preventing fatigue driving and bracelet |
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| CN112687076A true CN112687076A (en) | 2021-04-20 |
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| CN202011479138.6A Pending CN112687076A (en) | 2020-12-15 | 2020-12-15 | Method and device for preventing fatigue driving and bracelet |
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