TWI824833B - Fatigue driving decision system and method thereof - Google Patents

Abstract

A fatigue driving decision system and a method thereof are provided. Brain wave detection device is set in headrest of driver seat in vehicle to detect brain wave of driver. Wearable device is wore at driver to detect physiological data of driver. On-board diagnostic (OBD) is set in vehicle to record driving information when vehicle is moving. Fatigue warning value is analyzed and calculated according to recorded driving information by OBD. Physiological state of driver is decided according to brain wave of driver and physiological data of driver by OBD. Control instruction or control instruction and first aid information is/are generated according to different physiological state of driver and fatigue warning value is greater than or equal to default warning value. Vehicle is changed to automatic driving state and flashing light is turned on according to control instruction by OBD. Vehicle is moved to outside lane at automatic driving state then vehicle is shut down. Therefore, the improve efficiency of road traffic safety may be achieved.

Description

Fatigue driving judgment system and method

A judgment system and a method thereof, in particular, a fatigue driving judgment system and a method for automatically controlling the vehicle to turn on the flashing lights and move to the outside lane to turn off the lights when the driver is tired to improve road traffic safety.

Drivers who drive for long periods of time will inevitably become fatigued, leading to a loss of driving concentration, or sleep state due to fatigue, which will undoubtedly cause doubts about road traffic safety.

The existing method of providing driving fatigue judgment is usually to use external stimuli (such as the playing of warning sound effects, seat vibration, etc.) to remind the driver when it is judged that the driver is fatigued and to warn the driver that he needs to rest for relief. fatigue to avoid major traffic accidents. However, the external stimulation provided by the driver's fatigue judgment can only provide reminders and warnings to normal drivers. If the driver is comatose due to poor physical condition, the external stimulation will not be able to Provide reminders and warnings to unconscious drivers.

To sum up, it can be seen that there has long been a problem in the previous technology that the driver becomes comatose due to poor physical condition, causing the fatigue warning of the existing external stimulation to be ineffective. Therefore, it is necessary to propose improved technical means to solve this problem.

In view of the problem in the previous technology that the driver becomes comatose due to poor physical condition, which makes the fatigue warning of the existing external stimulus invalid, the present invention discloses a fatigue driving judgment system and a method thereof, wherein:

The fatigue driving judgment system disclosed by the present invention includes: a brain wave detection device, a wearable device and a vehicle-mounted computer. The vehicle-mounted computer further includes: a recording module, a receiving module, a calculation module, a judgment module, a generation module and Teleportation module.

The brainwave detection device is installed on the headrest of the driver's seat in the vehicle to detect the driver's brainwaves; the wearable device is worn on the driver to detect the driver's physiological data.

The vehicle-mounted computer is installed in the vehicle. The recording module of the vehicle-mounted computer records the driving information of the vehicle when the vehicle is driving. The receiving module of the vehicle-mounted computer receives the driver's brain waves from the brain wave detection device and receives the driver's brain waves from the wearable device. Physiological data; the calculation module of the on-board computer analyzes the recorded driving information and calculates the fatigue warning value; the judgment module of the on-board computer determines the driver's physiological state based on the driver's brain waves and the driver's physiological data; the on-board computer The generation module generates control instructions when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is in a sleep state. It is generated when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is in a coma state. Control instructions and first aid information; and the transmission module of the on-board computer transmits first aid information to the emergency center.

The on-board computer controls the vehicle to switch to autonomous driving and turn on the flashing lights according to the control instructions. The autonomous driving state controls the vehicle to move to the outside lane and then turn off the vehicle.

The fatigue driving judgment method disclosed in the present invention includes the following steps:

First, the brainwave detection device is installed on the headrest of the driver's seat in the car to detect the driver's brainwaves; then, the wearable device is worn on the driver to detect the driver's physiological data; then, the on-board computer is installed in the car to record the driving information when the car is driving; then, the on-board computer receives the driver's brain waves from the brain wave detection device and the driver's physiological data from the wearable device; then, the on-board computer analyzes the recorded driving information. The information is analyzed and the fatigue warning value is calculated; then, the on-board computer determines the driver's physiological state based on the driver's brain waves and the driver's physiological data; then, when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state When the state is in the sleep state, the on-board computer generates control instructions; then, when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is in a coma state, the control instructions and first aid information are generated; then, the on-board computer controls the vehicle according to the control instructions. The vehicle switches to autonomous driving and turns on the flashing lights. The autonomous driving state controls the vehicle to move to the outside lane and then turns off the vehicle. Finally, the on-board computer transmits emergency information to the emergency center.

The system and method disclosed in the present invention are as described above. The difference between them and the prior art is that the brainwave detection device is installed on the headrest of the driver's seat in the vehicle to detect the driver's brainwaves, and the wearable device is worn on the driver. To detect the driver's physiological data, the on-board computer is installed in the vehicle to record the driving information when the vehicle is driving. The on-board computer analyzes the recorded driving information and calculates the fatigue warning value. The on-board computer is based on the driver's brain. Waves and the driver's physiological data are used to determine the driver's physiological state. According to the physiological state of different drivers and the fatigue warning value is greater than or equal to the preset warning value, a control command or control command and first aid information are generated. The on-board computer controls the car according to the control command. The vehicle switches to autonomous driving and turns on the flashing lights. The autonomous driving state controls the vehicle to move to the outside lane and then turns off the vehicle.

Through the above technical means, the present invention can achieve the technical effect of high road traffic safety.

The embodiments of the present invention will be described in detail below with reference to the drawings and examples, so that the implementation process of how to apply technical means to solve technical problems and achieve technical effects of the present invention can be fully understood and implemented accordingly.

The following will first describe the fatigue driving judgment system disclosed in the present invention, and please refer to "Figure 1", which is a system block diagram of the fatigue driving judgment system of the present invention.

The fatigue driving judgment system disclosed by the present invention includes: a brain wave detection device 10, a wearable device 20 and a vehicle-mounted computer 30. The vehicle-mounted computer 30 further includes: a recording module 31, a receiving module 32, a calculation module 33, and a judgment module. Module 34, generation module 35 and transmission module 36.

The brainwave detection device 10 is installed in the headrest of the driver's seat in the vehicle to detect the driver's brainwaves. The wearable device 20 is worn on the driver to detect the driver's physiological data. The aforementioned physiological data is, for example, : blood pressure, pulse... etc., the brain wave detection device 10 and the wearable device 20 are connected to the vehicle-mounted computer 30 through wireless transmission. The aforementioned wireless transmission method is, for example: Wi-Fi, Bluetooth, mobile communication network... etc., This is only an example and does not limit the application scope of the present invention.

The vehicle-mounted computer 30 is installed in the vehicle. The recording module 31 of the vehicle-mounted computer 30 records driving information when the vehicle is driving. The driving information is, for example, engine load, engine running time, driving speed, vehicle interior temperature, etc. , this is only for illustration and does not limit the scope of application of the present invention. Moreover, the receiving module 32 of the vehicle-mounted computer 30 receives the driver's brain waves from the brain wave detection device 10 and receives the driver's brain waves from the wearable device 20 . the patient’s physiological data.

The computing module 33 of the on-board computer 30 analyzes the recorded driving information and calculates the fatigue warning value. Each data item in the driving information (i.e., engine load, engine running time, driving speed, vehicle interior) is pre-established in the on-board computer 30 temperature, etc.) are respectively set with different data ranges and corresponding preset values. The calculation module 33 of the on-board computer 30 can calculate the fatigue after finding out the preset values corresponding to each data item in the driving information and adding them. Warning value, it is worth noting that the fatigue warning value calculated by the calculation module 33 of the on-board computer 30 will continue to record the driving information of the vehicle while the vehicle is driving based on the recording module 31 of the on-board computer 30 for continuous cumulative calculation until the vehicle Turn off the vehicle and then reset the fatigue warning value to zero.

Specifically, it is assumed that the data ranges corresponding to the engine running time are 0 to 1 hour, 1 to 2 hours, and 2 to 3 hours respectively. The preset value corresponding to 0 to 1 hour is 10, and the preset value corresponding to 1 to 2 hours is 20, and the preset value corresponding to 2 to 3 hours is 30. This is only an example and does not limit the scope of application of the present invention. It is assumed that the data ranges corresponding to the temperature in the vehicle are 20 to 25 degrees and 26 degrees respectively. to 30 degrees and 31 to 35 degrees. The default value corresponding to 20 to 25 degrees is 10, the default value corresponding to 26 to 30 degrees is 20, and the default value corresponding to 31 to 35 degrees is 30. This is just an example. This description does not limit the scope of application of the present invention.

Next, the judgment module 34 of the vehicle-mounted computer 30 determines the driver's physiological state based on the driver's brain waves and the driver's physiological data. Brain waves of different physiological states and physiological data of different physiological states are pre-established in the vehicle-mounted computer 30. According to Brain waves of different physiological states and physiological data of different physiological states are established in advance to analyze the driver's brain waves and the driver's physiological data to determine the driver's physiological state.

Specifically, the driver's physiological state is assumed to be a sleep state. The physiological state is sleep state, the brain waves corresponding to the sleep state are sleep brain waves, and the physiological data are heart rate 50 to 57, blood pressure 100 to 110, and 70 to 80 respectively. The physiological state is coma. The brain waves corresponding to the state are coma brain waves and the physiological data are heart rate above 95 and below 49, blood pressure above 180 and above 95 respectively. This is only an example and does not limit the application scope of the present invention.

When the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is in a sleep state, the generation module 35 of the on-board computer 30 generates a control instruction, and the on-board computer 30 controls the vehicle to switch to automatic driving and turn on the flashlight according to the control instruction. In the light state, the automatic driving state controls the vehicle to move to the outside lane and then turns off the vehicle to avoid major traffic accidents.

When the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is comatose, a control instruction and first aid information are generated. The on-board computer 30 controls the vehicle to switch to automatic driving and turn on the flashing light state according to the control instruction. The automatic driving state Control the vehicle to move to the outside lane and then turn off the vehicle to avoid major traffic accidents.

At the same time, the emergency information can be transmitted to the emergency center through the transmission module 36 of the on-board computer 30. The emergency center notifies nearby ambulance vehicles and police units to rescue the driver of the vehicle based on the location information of the emergency information.

Next, the operating system and method of the first implementation aspect of the present invention will be described below in the first embodiment. Please also refer to "Figure 2A" and "Figure 2B". Figure 2B is a method flow chart of the fatigue driving determination method of the present invention.

The fatigue driving judgment method disclosed in the present invention includes the following steps:

First, the brainwave detection device is installed on the headrest of the driver's seat in the car to detect the driver's brainwaves (step 401); then, the wearable device is worn on the driver to detect the driver's physiological data (step 402 ); Next, the vehicle-mounted computer is installed in the vehicle to record the driving information when the vehicle is driving (step 403); Then, the vehicle-mounted computer receives the driver's brainwaves from the brainwave detection device and receives the driver's brainwaves from the wearable device. physiological data (step 404); then, the on-board computer analyzes the recorded driving information and calculates the fatigue warning value (step 405); then, the on-board computer determines the driver's fatigue based on the driver's brain waves and the driver's physiological data. Physiological state (step 406); then, when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is sleep state, the on-board computer generates a control instruction (step 407); then, when the fatigue warning value is greater than or equal to the preset When the warning value is reached and the driver's physiological state is comatose, a control instruction and first aid information are generated (step 408); then, the on-board computer controls the vehicle to switch to automatic driving and turns on the flashing light state according to the control instruction, and the automatic driving state controls the vehicle. After moving to the outside lane, turn off the vehicle (step 409); finally, the on-board computer transmits the emergency information to the emergency center (step 410).

In summary, it can be seen that the difference between the present invention and the prior art is that the brainwave detection device is installed on the headrest of the driver's seat in the vehicle to detect the driver's brainwaves, and the wearable device is worn on the driver to detect the brainwaves. The driver's physiological data. The on-board computer is installed in the vehicle to record the driving information when the vehicle is driving. The on-board computer analyzes the recorded driving information and calculates the fatigue warning value. The on-board computer is based on the driver's brain waves and The driver's physiological data determines the driver's physiological state. Based on the different driver's physiological states and the fatigue warning value is greater than or equal to the preset warning value, control instructions or control instructions and first aid information are generated. The on-board computer controls the vehicle switching according to the control instructions. For autonomous driving and turning on the flashing lights, the autonomous driving state controls the vehicle to move to the outside lane and then turn off the vehicle.

This technical means can solve the problem in the previous technology that the driver's coma due to poor physical condition makes the existing fatigue warning of external stimuli ineffective, thereby achieving the technical effect of improving road traffic safety.

Although the embodiments disclosed in the present invention are as above, the described contents are not used to directly limit the patent protection scope of the present invention. Anyone with ordinary knowledge in the technical field to which the present invention belongs may make slight changes in the form and details of the implementation without departing from the spirit and scope of the disclosure of the present invention. The patent protection scope of the present invention must still be defined by the attached patent application scope.

10: Brainwave detection device 20:Wearable devices 30:Car computer 31:Recording module 32:Receive module 33:Computing module 34:Judgement module 35: Generate module 36:Teleport module Step 401: The brainwave detection device is installed on the headrest of the driver's seat in the vehicle to detect the driver's brainwaves. Step 402: The wearable device is worn on the driver to detect the driver's physiological data Step 403: The on-board computer is installed in the vehicle to record driving information when the vehicle is driving. Step 404: The on-board computer receives the driver's brain waves from the brain wave detection device and receives the driver's physiological data from the wearable device. Step 405: The on-board computer analyzes the recorded driving information and calculates the fatigue warning value Step 406: The on-board computer determines the driver's physiological state based on the driver's brain waves and the driver's physiological data. Step 407: When the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is sleep state, the on-board computer generates a control instruction Step 408: Generate control instructions and first aid information when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is comatose. Step 409: The on-board computer controls the vehicle to switch to automatic driving and turn on the flashing lights according to the control command. In the automatic driving state, the vehicle is controlled to move to the outside lane and then turns off the vehicle. Step 410: The on-board computer transmits emergency information to the emergency center

Figure 1 is a system block diagram of the fatigue driving judgment system of the present invention. Figure 2A and Figure 2B are method flow charts of the fatigue driving determination method of the present invention.

10: Brainwave detection device

20:Wearable devices

30:Car computer

31:Recording module

32:Receive module

33:Computing module

34:Judgement module

35: Generate module

36:Teleport module

Claims (8)

A fatigue driving judgment system, suitable for a car with automatic driving, which includes: A brainwave detection device, installed on the headrest of the driver's seat in the vehicle, to detect the driver's brainwaves; A wearable device worn on the driver to detect the driver's physiological data; and A vehicle-mounted computer is installed in the automobile vehicle, and the vehicle-mounted computer further includes: A recording module that records the driving information of the automobile when the vehicle is driving; A receiving module that receives the driver's brain waves from the brain wave detection device and receives the driver's physiological data from the wearable device; A calculation module analyzes the recorded driving information and calculates a fatigue warning value; A judgment module determines the driver's physiological state based on the driver's brain waves and the driver's physiological data; A generation module that generates a control instruction when the fatigue warning value is greater than or equal to a preset warning value and the driver's physiological state is a sleep state, and when the fatigue warning value is greater than or equal to the preset warning value and the driver The control command and first aid information are generated when the physiological state is coma; and A transmission module transmits the first aid information to an emergency center; Wherein, the on-board computer controls the vehicle to switch to automatic driving and turn on the flashing lights according to the control instructions, and the automatic driving state controls the vehicle to move to the outside lane and then turn off the vehicle. The fatigue driving judgment system as described in claim 1, wherein each data item in the driving information is set with a different data range and a corresponding preset value, and the corresponding data item of each data item in the recorded driving information is found. The preset values are added to calculate the fatigue warning value. The fatigue driving judgment system as described in claim 2, wherein the fatigue warning value is based on the recording module to continuously record the driving information of the vehicle when the vehicle is driving for continuous cumulative calculation until the vehicle is turned off and the fatigue warning value is Return to zero. The fatigue driving judgment system of claim 1, wherein the first aid center notifies nearby ambulance vehicles and police units to rescue the driver of the automobile vehicle based on the location information of the first aid information. A fatigue driving judgment method, suitable for a car with automatic driving, includes the following steps: A brainwave detection device is installed on the headrest of the driver's seat in the vehicle to detect the driver's brainwaves; A wearable device is worn on the driver to detect the driver's physiological data; An on-board computer is installed in the automobile vehicle to record driving information when the automobile vehicle is driving; The vehicle-mounted computer receives the driver's brain waves from the brain wave detection device and receives the driver's physiological data from the wearable device; The on-board computer analyzes the recorded driving information and calculates a fatigue warning value; The on-board computer determines the driver's physiological state based on the driver's brain waves and the driver's physiological data; When the fatigue warning value is greater than or equal to a preset warning value and the driver's physiological state is sleep state, the on-board computer generates a control instruction; The control command and first aid information are generated when the fatigue warning value is greater than or equal to the preset warning value and the driver's physiological state is comatose; The on-board computer controls the vehicle to switch to automatic driving and turn on the flashing lights according to the control instructions, and the automatic driving state controls the vehicle to move to the outside lane and then turn off the vehicle; and The vehicle-mounted computer transmits the first aid information to an emergency center. The fatigue driving judgment method as described in claim 5, wherein the on-board computer analyzes the recorded driving information and calculates a fatigue warning value, and each data item in the driving information is set with different data. The range and the corresponding preset value are found, and the preset value corresponding to each data item in the recorded driving information is found and added together to calculate the fatigue warning value. The fatigue driving judgment method as described in claim 6, wherein the on-board computer analyzes the recorded driving information and calculates a fatigue warning value. The fatigue warning value is based on the on-board computer continuously recording the driving time of the vehicle. The driving information is continuously accumulated and calculated until the vehicle is turned off and the fatigue warning value is reset to zero. The method for determining fatigue driving as described in claim 5, wherein the method further includes the step of the emergency center notifying nearby ambulance vehicles and police units to rescue the driver of the vehicle based on the location information of the first aid information. steps.

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