CN110371133A - Fatigue of automobile driver detection system and method - Google Patents
Fatigue of automobile driver detection system and method Download PDFInfo
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- CN110371133A CN110371133A CN201910578854.0A CN201910578854A CN110371133A CN 110371133 A CN110371133 A CN 110371133A CN 201910578854 A CN201910578854 A CN 201910578854A CN 110371133 A CN110371133 A CN 110371133A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
-
- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W2040/0818—Inactivity or incapacity of driver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W2040/0818—Inactivity or incapacity of driver
- B60W2040/0827—Inactivity or incapacity of driver due to sleepiness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/26—Incapacity
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to fatigue driving technical fields, and in particular to a kind of fatigue of automobile driver detection system and method.Including vehicle-mounted computer, respiration transducer, pulse transducer, road through detection module, Bus- Speed Monitoring module, camera, face recognition module, voice alarm module.When driver's respiratory rate, driver's pulse frequency, driver's eye-closing period are more than calibration value；Vehicle running path distorts and does not beat turn signal, and driving path returns just not within the nominal time；When car speed is gradually accelerated, judge that driver is in fatigue driving state and sends alarm.Using the respiratory rate of driver, driver's pulse frequency, vehicle running path data, vehicle speed information, driver's eye-closing period data as the degree of fatigue judgment criteria of driver, the limitation of detection method can not only be eliminated, while can also ensure that the accuracy of testing result.
Description
Technical field
The present invention relates to fatigue driving technical fields, and in particular to a kind of fatigue of automobile driver detection system and method.
Background technique
With the development of economy, auto industry enters a new developing period, using highway as the dedicated of representative
Road becomes increasingly popular, however adjoint therewith is that road traffic accident takes place frequently, and in the reason of causing accident, driver fatigue is driven
Sailing is one of most important reason.It is provided according to newest friendship, driver should at least stop rest after continuous drive 4 hours
20 minutes, however the people that this rule is deferred in real life is considerably less, especially some cart drivers, in order in a hurry frequent
Continuously drive seven or eight hours.
In the prior art, have by the way that whether detection driver head's posture often tilts down and determine degree of fatigue, but
It is that the judgement of such method is too single, and some people head pose when fatigue is held essentially constant, thus this side
Method can not accurately detect whether driver is tired, influence the accuracy of judgement.In addition, although driver head in fatigue is transported
Moving will not be so frequent, but on some more spacious roads when driving, driver judges that automobile is in a safe condition, no
When will receive the influence of surrounding, the case where will more observing road surface ahead, thus head movement infrequently can not be direct
Illustrate that driver is in a state of fatigue, by detecting the method for head movement to determine whether fatigue is easy to appear erroneous judgement.And it adopts
The degree of fatigue of driver is also capable of detecting when with the mode that camera captures the variation of driver face, but this method is still
It has some limitations.When driver face is shielded, this detection method will lose effect, be unable to reach detection mesh
's.
Summary of the invention
The purpose of the present invention is to the defects of the prior art, provide a kind of with higher serious forgiveness, accuracy of judgement
Property high fatigue of automobile driver detection system and method.
A kind of fatigue of automobile driver detection system of the present invention, technical solution are as follows:
Including
Vehicle-mounted computer, for receiving driver's respiratory rate, driver's pulse frequency, vehicle running path data, vehicle
Velocity information, driver's eye-closing period data, when driver's respiratory rate, driver's pulse frequency, driver's eye-closing period are equal
More than calibration value；
Vehicle running path distorts and does not beat turn signal, and driving path returns just not within the nominal time；
When car speed is gradually accelerated, judge that driver is in fatigue driving state, sends and alert to voice alarm module；
Respiration transducer, for detecting the respiratory rate of driver and being sent to vehicle-mounted computer；
Pulse transducer, for detecting the pulse frequency of driver and being sent to vehicle-mounted computer；
Road is through detection module, for detecting the driving path of vehicle and being sent to vehicle-mounted computer；
Bus- Speed Monitoring module, for obtaining vehicle speed information and being sent to vehicle-mounted computer；
Camera, for shooting driver face picture and being sent to vehicle-mounted computer；
Face recognition module draws the driver face for receiving the driver face picture of vehicle-mounted computer transmission
Face obtains driver's eye-closing period data after being identified and is sent to vehicle-mounted computer；
Voice alarm module, for being alerted after the alarm signal for receiving vehicle-mounted computer transmission.
It is more preferred, it further include micro air pump, the micro air pump is arranged in the wrist strap of driver, the vehicle mounted electric
Brain judges to control micro air pump to driver's wrist injection compressed air after driver is in fatigue driving state.
It is more preferred, it further include self-locking control unit, the vehicle-mounted computer judges that driver is in fatigue driving state
And driver tired driving can not be still prevented after reminding, then it sends locking and names to self-locking control unit, it is described from lock control
Unit carries out automatic locking to vehicle after receiving locking order.
It is more preferred, it further include signal amplifier, active filter and the voltage shaping being arranged in inside vehicle-mounted computer
Circuit；
The signal amplifier is for amplifying processing to vehicle-mounted computer input end signal；
The active filter is for being filtered amplified signal；
The voltage shaping circuit is used to carry out Shape correction to filtered signal.
More preferred, driver's shoulder position is arranged on safety belt in the respiration transducer.
It is more preferred, it further include clock unit, the clock unit is used to send local clock information to vehicle-mounted computer.
A kind of fatigue of automobile driver detection method of the present invention, technical solution are as follows:
It acquires the respiratory rate of driver, driver's pulse frequency, vehicle running path data, vehicle speed information, drive
The person's of sailing eye-closing period data, when
Driver's respiratory rate, driver's pulse frequency, driver's eye-closing period are more than calibration value；
Vehicle running path distorts and does not beat turn signal, and driving path returns just not within the nominal time；
When car speed is gradually accelerated, judge that driver is in fatigue driving state and sends alarm.
More preferred, when judging that driver is in fatigue driving state, also control is arranged in driver's baring skin
The micro air pump at place sprays compressed air.
It is more preferred, when judging that driver is in fatigue driving state and can not still prevent driver fatigue after reminding
When driving, force to carry out locking to vehicle.
The invention has the benefit that the present invention is by the respiratory rate of driver, driver's pulse frequency, vehicle driving road
The degree of fatigue judgment criteria of diameter data, vehicle speed information, driver's eye-closing period data as driver, can not only disappear
Except the limitation of detection method, while it can also ensure that the accuracy of testing result；When vehicle-mounted computer determines that driver is in tired
When labor state, vehicle-mounted computer starting voice alarm module, micro air pump remind driver, prevent driver Dauerverbrechen
It is tired.Parking can also be forced using active locking when reminding invalid simultaneously, further ensure driving safety.
Detailed description of the invention
Fig. 1 is a kind of catenation principle figure of fatigue of automobile driver detection system of the present invention；
Fig. 2 is a kind of fatigue of automobile driver detection method flow diagram of the present invention.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
As shown in Figure 1, the present invention includes vehicle-mounted computer 1, what is be connected with vehicle-mounted computer 1 is used to provide local clock for system
Clock unit 11, be connected with vehicle-mounted computer 1 for shooting the camera of driver's face, what is be connected with vehicle-mounted computer is set to
Respiration transducer 3 on safety belt corresponding with driver's shoulder position, the pulse being set on wrist strap being connected with vehicle-mounted computer 1 pass
Sensor 4, the path detection module 5 being set on automobile chassis being connected with vehicle-mounted computer 1, what is be connected with vehicle-mounted computer 1 is used to examine
The Bus- Speed Monitoring module 6 of measuring car speed, the signal amplification for amplifying 1 input end signal of vehicle-mounted computer being connected with vehicle-mounted computer 1
Device 12, the active filter 13 for being filtered to amplified signal being connected with vehicle-mounted computer 1, with 1 phase of vehicle-mounted computer
The voltage shaping circuit 14 for being used to carry out filtered signal shaping even, what is be connected with vehicle-mounted computer 1 is used for camera 2
Shooting video is identified and feeds back to the face recognition module 7 of 1 driver's eye-closing period data of vehicle-mounted computer, with vehicle-mounted computer
1 micro air pump 9 being set in wrist strap being connected, the voice alarm module 7 for warning note being connected with vehicle-mounted computer 1, with
The self-locking control unit 10 for being used to carry out vehicle automatic locking that vehicle-mounted computer 1 is connected.
It is equipped with timer inside vehicle-mounted computer 1, is connected between camera 2 and vehicle-mounted computer 1 by video line, camera 2
It is set up in front of driver by fixed branch, camera 2 uses CCD camera.It is respiration transducer 3, pulse transducer 4, miniature
Air pump 9 is carried out wireless communication with vehicle-mounted computer 1, and signal amplifier 12, active filter 13, voltage shaping circuit 14 are set to
Inside vehicle-mounted computer.Respiration transducer 3, pulse transducer 4, micro air pump 9 are carried out by zigbee module and vehicle-mounted computer 1
Wireless communication.Respiration transducer 3, pulse transducer 4, path detection module 5, Bus- Speed Monitoring module 6 signal enter vehicle mounted electric
After brain 1, signal is handled by signal amplifier 12, active filter 13, voltage shaping circuit 14.
The facial video of driver can be shot using camera 2, face recognition module 7 can shoot camera 2 and regard
Frequency is identified that vehicle-mounted computer 1 passes through the time for the result judgement driver's eyes closure that face recognition module 7 identifies, eyes
Closing time is too long, illustrates that driver is in a state of fatigue.The above-mentioned acquisition about the time is by clock unit and vehicle mounted electric
What the timer inside brain 1 was realized.
Driver should put on wrist strap before driving.Respiration transducer 3 can detect the frequency of driver's breathing, pulse sensing
Device 4 can detect the frequency of driver's beat pulse, and when driver fatigue, the frequency of breathing and pulse can all be reduced；Path inspection
The driving path of vehicle can be detected by surveying module 5, not play when vehicle running path distortion and turn signal, and driving path does not exist
Timing is returned in nominal time illustrates that driver is in a state of fatigue；Bus- Speed Monitoring module can detect car speed, car speed
It gradually becomes faster, and transformation period is longer than the conventional acceleration time, and when velocity variations have biggish fluctuation illustrates at driver
In fatigue state.
When vehicle-mounted computer 1 determines that driver is in a state of fatigue, vehicle-mounted computer 1 sends alarm signal to audio alert mould
Block 8 is alerted, and is controlled the micro air pump 9 in wrist strap and sprayed compressed air to driver's wrist.Vehicle-mounted computer judgement drives
Member, if can not still prevent driver tired driving, sends locking in fatigue driving state and after voice and jet are reminded
To self-locking control unit 10, self-locking control unit 10 carries out automatic locking to vehicle after receiving locking order for name.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (9)
1. a kind of fatigue of automobile driver detection system, it is characterised in that: including
Vehicle-mounted computer (1), for receiving driver's respiratory rate, driver's pulse frequency, vehicle running path data, vehicle speed
Information, driver's eye-closing period data are spent, when
Driver's respiratory rate, driver's pulse frequency, driver's eye-closing period are more than calibration value；
Vehicle running path distorts and does not beat turn signal, and driving path returns just not within the nominal time；
When car speed is gradually accelerated, judge that driver is in fatigue driving state, sends and alert to voice alarm module (8)；
Respiration transducer (3), for detecting the respiratory rate of driver and being sent to vehicle-mounted computer (1)；
Pulse transducer (4), for detecting the pulse frequency of driver and being sent to vehicle-mounted computer (1)；
Road is through detection module (5), for detecting the driving path of vehicle and being sent to vehicle-mounted computer (1)；
Bus- Speed Monitoring module (6), for obtaining vehicle speed information and being sent to vehicle-mounted computer (1)；
Camera (2), for shooting driver face picture and being sent to vehicle-mounted computer (1)；
Face recognition module (7), for receiving the driver face picture of vehicle-mounted computer (1) transmission, to the driver face
Picture obtains driver's eye-closing period data after being identified and is sent to vehicle-mounted computer (1)；
Voice alarm module (8), for being alerted after the alarm signal for receiving vehicle-mounted computer (1) transmission.
2. fatigue of automobile driver detection system according to claim 1, it is characterised in that: it further include micro air pump (9),
The micro air pump (9) is arranged in the wrist strap of driver, and the vehicle-mounted computer (1) judges that driver is in fatigue driving state
Control micro air pump (9) sprays compressed air to driver's wrist afterwards.
3. fatigue of automobile driver detection system according to claim 1, it is characterised in that: further include self-locking control unit
(10), the vehicle-mounted computer (1) judges that driver is in fatigue driving state and can not still prevent driver fatigue after reminding
It drives, then sends locking and name to self-locking control unit (10), the self-locking control unit (10) receives right after locking order
Vehicle carries out automatic locking.
4. fatigue of automobile driver detection system according to claim 1, it is characterised in that: further include being arranged in vehicle mounted electric
Brain (1) internal signal amplifier (12), active filter (13) and voltage shaping circuit (14)；
The signal amplifier (12) is for amplifying processing to vehicle-mounted computer (1) input end signal；
The active filter (13) is for being filtered amplified signal；
The voltage shaping circuit (14) is used to carry out Shape correction to filtered signal.
5. fatigue of automobile driver detection system according to claim 1, it is characterised in that: the respiration transducer (3)
Driver's shoulder position is set on safety belt.
6. fatigue of automobile driver detection system according to claim 1, it is characterised in that: further include clock unit
(11), the clock unit (11) is used to send local clock information to vehicle-mounted computer (1).
7. a kind of fatigue of automobile driver detection method, it is characterised in that: acquire respiratory rate, the driver's pulse frequency of driver
Rate, vehicle running path data, vehicle speed information, driver's eye-closing period data, when
Driver's respiratory rate, driver's pulse frequency, driver's eye-closing period are more than calibration value；
Vehicle running path distorts and does not beat turn signal, and driving path returns just not within the nominal time；
When car speed is gradually accelerated, judge that driver is in fatigue driving state and sends alarm.
8. fatigue of automobile driver detection method as claimed in claim 7, it is characterised in that: judging driver in fatigue
When driving condition, also the ejection compressed air of the micro air pump at driver's baring skin is arranged in control.
9. fatigue of automobile driver detection method as claimed in claim 7, it is characterised in that: when judge driver be in fatigue
Driving condition and when can not still prevent driver tired driving after reminding, forces to carry out locking to vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910578854.0A CN110371133A (en) | 2019-06-28 | 2019-06-28 | Fatigue of automobile driver detection system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578854.0A CN110371133A (en) | 2019-06-28 | 2019-06-28 | Fatigue of automobile driver detection system and method |
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| CN110371133A true CN110371133A (en) | 2019-10-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493897A (en) * | 2020-06-01 | 2020-08-07 | 南京国科医工科技发展有限公司 | Intelligent health monitoring and promoting system for automobile driver |
| CN111540171A (en) * | 2020-04-28 | 2020-08-14 | 河北地质大学 | Fatigue driving early warning system, corresponding early warning method and construction method |
| CN112141119A (en) * | 2020-09-23 | 2020-12-29 | 上海商汤临港智能科技有限公司 | Intelligent driving control method and device, vehicle, electronic equipment and storage medium |
| CN113370990A (en) * | 2020-03-10 | 2021-09-10 | 华为技术有限公司 | Driving assistance method and driving assistance device |
| CN114255568A (en) * | 2020-09-22 | 2022-03-29 | 深圳市鑫鸿源业科技有限公司 | Driver fatigue detection system |
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