CN107117027A - Vehicular intelligent control method and system based on fatigue monitoring - Google Patents
Vehicular intelligent control method and system based on fatigue monitoring Download PDFInfo
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- CN107117027A CN107117027A CN201710293458.4A CN201710293458A CN107117027A CN 107117027 A CN107117027 A CN 107117027A CN 201710293458 A CN201710293458 A CN 201710293458A CN 107117027 A CN107117027 A CN 107117027A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/20—Workers
- A61B2503/22—Motor vehicles operators, e.g. drivers, pilots, captains
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Abstract
The invention discloses the Vehicular intelligent control method based on fatigue monitoring and system, wherein, this method includes：After the physiological signal of collection driver, in vehicle travel process, the degree of fatigue of driver is judged according to the physiological signal of driver, if slight fatigue, then driver is pointed out, if severe fatigue, then driver pointed out, drive assistance function is opened simultaneously and danger alarm lamp is opened, and thus effectively provides safety guarantee during driver is from fatigue state to complete waking state for occupant；When vehicle stops, air mass signal in collecting vehicle, driver's personal safety degree is judged according to the physiological signal of driver and in-car air quality signal, if there is risk, then driver is pointed out, if danger, then driver is pointed out, vehicle window is opened simultaneously, so it is prevented that occupant effectively provides safety guarantee because of pernicious gas injury for the personnel that rest in the car.
Description
Technical field
The present invention relates to data check technology, and in particular to a kind of Vehicular intelligent control method based on fatigue monitoring and
Vehicular intelligent control system based on fatigue monitoring.
Background technology
With vehicle intellectualized and automation popularization, people gradually decrease to automobile manipulation.In roads such as highways
When road in order is driven, if driver continuously drives a vehicle for a long time, the imbalance of physiological function and mental function can be produced,
Objectively occur that driver's driving efficiency declines phenomenon, fatigue easily occur.
Research shows that in the world fatigue driving turns into causes one of major reason of traffic accidents.Root
According to the statistics of National Highway Traffic safety management bureau, on the highway in the U.S., every year because driver is in driving procedure
Cause about 100,000 traffic accidents into sleep state, wherein there are about 1500 directly results in death, 7.1 ten thousand cause people
Body is injured.China is at present because the fatigue driving number of casualties has accounted for the whole world 20%.The accident rate of fatigue driving is high, and consequence is serious, by
In the standard specifically assert to fatigue driving neither one at present, therefore, actually driver's traffic caused by fatigue driving
Accident ratio is more high than statistics.
In addition, in summer or hot weather, many car owners like idling to open air-conditioning sleep in the car, although open sky
Transfer order people is comfortable, but so very big to consumers risk, and air-conditioning sleep is especially open in sealed garage, and the lighter causes people
The dysfunction such as sensation, reaction, understanding, memory, severe one harm blood circulation system causes life danger.This be by
Become better and better in the sealing of vehicle with technique progress, in-car narrow space is airtight, automobile in the state of stagnation of movement,
Air outside in-car is difficult to convection current, and the carbon monoxide of engine long time running discharge just may gradually be assembled in the car,
In addition occupant breathes oxygen consumption and discharges carbon dioxide, and the time one is grown, and in-car oxygen is gradually decreased, and occupant will not know
Unconsciously it is poisoned and loses consciousness, loss of life can be caused when serious.
Along with the fast development of Intelligent worn device, Intelligent worn device can detect the health of people anywhere or anytime
State, can be by physiological signals such as monitor heart rate, pulse, blood pressure, body temperature, and whether judge user is fatigue state and life
Health condition.
Prior art, in order to detect the degree of fatigue of user, is generally all the physiological signal by detecting user, area
It is not that monitoring signals type is different, but is all used for judging the degree of fatigue of user, when driver is fatigue state, passes through
Audible alarm, point massage (light prompting) or electric shock stimulate one kind in driver's (bring up again and show) to be pointed out.Point out above
Although can stimulate driver nerve, in driver is from fatigue state to this period of complete waking state, vehicle according to
It is old in the process of running, if not control effectively to vehicle now, passenger remain unchanged it is in the hole in.In addition,
Prior art is not also monitored to the driver rested in the car and the life and health situation of occupant.
The content of the invention
The invention provides a kind of Vehicular intelligent control method and system based on fatigue monitoring, with solve prior art without
Method during driver is from fatigue state to complete waking state, and in the car rest during the problem of safely providing guarantee.
One aspect according to the present invention, should there is provided a kind of Vehicular intelligent control method based on fatigue monitoring
Method includes：
Gather the physiological signal of driver；
When speed is not zero, the degree of fatigue of driver is judged according to the physiological signal of driver, if slight tired
Labor, then point out driver, if severe fatigue, then driver is pointed out, while opening drive assistance function
And open danger alarm lamp；
When speed is that zero, engine speed is not zero, air mass signal in collecting vehicle is believed according to the physiology of driver
Number and in-car air quality signal judge driver's personal safety degree, if there is risk, then driver is pointed out,
If danger, then driver is pointed out, while opening vehicle window.
Preferably, the physiological signal of driver is gathered by Intelligent worn device, the physiological signal includes following any
It is one or more：Body temperature, heart rate, pulse；
The physiological signal is sent to central processing unit by the Intelligent worn device by radio communication；
Methods described also includes：
When speed is that zero, engine speed is not zero, and the Intelligent worn device and the central processing unit channel radio
When letter is connected, air mass signal in collecting vehicle judges to drive according to the physiological signal of driver and in-car air quality signal
Member's personal safety degree, if there is risk, then pointing out driver, if danger, then driver being carried
Show, while controlling electricity on vehicle, and open vehicle window.
Preferably, the fatigue driving threshold of the corresponding user of several Intelligent worn devices is stored in the central processing unit
Value；
The physiological signal according to driver judges that the degree of fatigue of driver includes：
Each physiological signal of the corresponding user of each Intelligent worn device is gathered in advance, and counts being averaged for each physiological signal
Value；
According to default range threshold and the average value of each physiological signal of the corresponding user of each Intelligent worn device, obtain
Obtain the fatigue driving threshold value of each physiological signal of the corresponding user of each Intelligent worn device；
According to the physiological signal of the corresponding user of current Intelligent worn device and corresponding fatigue driving threshold value, judge to work as
Whether the corresponding user of preceding Intelligent worn device is slight fatigue, and judges whether the user is driver；
If driver is slight fatigue and does not eliminate prompting after the prompting of preset duration, judge driver as severe
Fatigue.
Preferably, it is described eliminate prompting include it is following any one or more：
Switch is eliminated by specific action or pressing alarm and eliminates prompting；
Speed is reduced to safe speed threshold value.
Preferably, the in-car air quality signal includes：Oxygen concentration, harmful gas concentration；
The physiological signal and in-car air quality signal according to driver judges that driver's personal safety degree includes：
When physiological signal is normal, when oxygen concentration is less than oxygen concentration threshold value, it is determined to have risk；
When physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.
According to another aspect of the present invention there is provided a kind of Vehicular intelligent control system based on fatigue monitoring, this is
System includes：
Intelligent worn device, Wireless Telecom Equipment, central processing unit, vehicle control system, the Wireless Telecom Equipment, institute
State central processing unit and the vehicle control system is integrated in vehicle, the Intelligent worn device and the Wireless Telecom Equipment
Communication connection, the Wireless Telecom Equipment is connected with the center processing, and the central processing unit passes through CAN and the car
First electronic control unit of control system is connected；
The Intelligent worn device includes：Power supply, physiological signal sensor, the second electronic control unit, Tip element and
Wireless communication module, the power supply be the physiological signal sensor, second electronic control unit, the Tip element and
The wireless communication module power supply, the physiological signal sensor is used to gathering the physiological signal of wearer, and by the physiology
Signal is sent to second electronic control unit, and second electronic control unit will be described by the wireless communication module
Physiological signal is sent to the Wireless Telecom Equipment；The wireless communication module is receiving what the Wireless Telecom Equipment was sent
After slight fatigue signal, the slight tired signal is transferred to second electronic control unit, the second Electronic Control list
The member control Tip element is pointed out；
The vehicle control system includes：First electronic control unit, drive assistance function system, danger alarm lamp, car
Window controller, vehicle speed sensor, air mass sensor, first electronic control unit, the drive assistance function system
Control unit be connected with the vehicle window controller by CAN, the vehicle speed sensor and the air mass sensor
It is respectively used to the GES and air mass signal of collection being sent to first electronic control unit；
The central processing unit is used to receive after the physiological signal and the GES, when speed is not zero,
The degree of fatigue of driver is judged according to the physiological signal of driver, if slight fatigue, then to the Wireless Telecom Equipment
Slight tired signal is sent, to be pointed out by the Tip element driver, if severe fatigue, is then controlled described
Tip element is to point out driver, while controlling the drive assistance function system to open drive assistance function and control
The danger alarm lamp is alarmed；When speed is that zero, engine speed is not zero, adopted by the air mass sensor
Collect in-car air quality signal, driver's personal safety journey is then judged according to the physiological signal and in-car air quality signal
Degree, if there is risk, then sends slight tired signal to the Wireless Telecom Equipment, with by the Tip element to driving
The person of sailing is pointed out, and if danger, then controls the Tip element to point out driver, while controlling the vehicle window control
Device processed opens vehicle window.
Preferably, the physiological signal sensor is used to gather any one or more following physiological signal：Body temperature, heart rate
And pulse；
The system also includes：Combination instrument, is connected by CAN with the central processing unit, following for showing
Any one or more information：Physiological signal, speed, degree of fatigue and personal safety degree；
Engine speed sensor, is connected with first electronic control unit, for the first Electronic Control list
Member sends engine speed information；
The central processing unit is specifically for being that zero, engine speed is not zero when speed, and the Intelligent worn device
When being connected with the central processing unit radio communication, sentenced according to the physiological signal of the driver of collection and in-car air quality signal
Disconnected driver's personal safety degree, if there is risk, is then pointed out driver, if danger, then to driver
Pointed out, while controlling electricity on vehicle, and control the vehicle window controller to open vehicle window.
Preferably, the fatigue driving threshold value of the corresponding user of several Intelligent worn devices is stored in the central processing unit
With default range threshold；
The central processing unit specifically for gathering each physiological signal of the corresponding user of each Intelligent worn device in advance,
And count the average value of each physiological signal；According to each life of default range threshold and the corresponding user of each Intelligent worn device
The average value of signal is managed, the fatigue driving threshold value of each physiological signal of the corresponding user of each Intelligent worn device is obtained；According to
The physiological signal and corresponding fatigue driving threshold value of the corresponding user of current Intelligent worn device, judges that current intelligence wearing is set
Whether standby corresponding user is slight fatigue, and judges whether the user is driver；If driver is slight fatigue
And do not eliminate prompting after the prompting of preset duration, then judge driver as severe fatigue.
Preferably, the Intelligent worn device also includes：
Acceleration transducer, is connected with second electronic control unit, for adding the Intelligent worn device of collection
Velocity information is sent to second electronic control unit；
The Tip element is shock module, and wearer is pointed out in the form of vibrations；
Second electronic control unit is additionally operable to after the acceleration information that the acceleration transducer is sent is received,
Judge whether acceleration exceedes acceleration rate threshold, if it is, judging that driver expects to eliminate prompting.
Preferably, the air mass sensor includes：Oxygen concentration sensor and harmful gas concentration sensor；
The central processing unit specifically for when physiological signal it is normal, when oxygen concentration is less than oxygen concentration threshold value, judge
To there is risk, when physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.
The Vehicular intelligent control method and system based on fatigue monitoring that the present invention is provided, in the physiology letter of collection driver
After number, in vehicle travel process, the degree of fatigue of driver is judged according to the physiological signal of driver, if slight tired
Labor, then point out driver, if severe fatigue, then driver is pointed out, while opening drive assistance function
And danger alarm lamp is opened, thus effectively provided during driver is from fatigue state to complete waking state for occupant
Safety guarantee；When vehicle stops, air mass signal in collecting vehicle, according to the physiological signal and in-car air quality of driver
Signal judges driver's personal safety degree, if there is risk, then driver is pointed out, if danger, then right
Driver is pointed out, while vehicle window is opened, so it is prevented that occupant is injured because of pernicious gas, effectively in car
The personnel of interior rest provide safety guarantee.
Further, the Vehicular intelligent control method and system based on fatigue monitoring that the present invention is provided, in addition to：Work as car
Speed is that zero, engine speed is not zero, and the Intelligent worn device with the central processing unit radio communication when being connected, collection
In-car air quality signal, driver's personal safety journey is judged according to the physiological signal of driver and in-car air quality signal
Degree, if there is risk, then pointing out driver, if danger, then driver being pointed out, while control is whole
Che Shang electricity, and open vehicle window.It so can effectively prevent the in-car asphyxiant situation of rest personnel.
Further, the Vehicular intelligent control method and system based on fatigue monitoring that the present invention is provided, pass through following step
The rapid degree of fatigue for judging driver：Each physiological signal of the corresponding user of each Intelligent worn device is gathered in advance, and is counted
The average value of each physiological signal；According to default range threshold and each physiological signal of the corresponding user of each Intelligent worn device
Average value, obtain the fatigue driving threshold value of each physiological signal of the corresponding user of each Intelligent worn device；According to current intelligence
The physiological signal and corresponding fatigue driving threshold value of the corresponding user of energy wearable device, judges current Intelligent worn device correspondence
User whether be slight fatigue, and judge whether the user is driver；If driver is for slight fatigue and pre-
If not eliminating prompting after the prompting of duration, then judge driver as severe fatigue.Because everyone physiological signal is present
Between difference, especially masculinity and femininity difference become apparent from, if detected with identical standard, it is easy to cause judge by accident or
Fail to judge, the present invention determines respective slight tired criterion according to the average value of each user physiological signal of itself, has
Effect ensure that the accuracy of judgement.In addition, the criterion between slight fatigue and severe fatigue is also believed without obvious physiology
Number boundary, how to judge that driver is in severe fatigue state to reduce traffic accident is a hot research problem, still
It is of the invention from another angle still without good solution：When it is determined that driver is slight fatigue, give and point out, such as
Fruit does not receive the instruction for eliminating prompting in preset duration, then it is assumed that driver is in severe fatigue state, thus effectively
Detect driver whether be in severe fatigue state, prevent traffic accident.
Further, the Vehicular intelligent control method and system based on fatigue monitoring that the present invention is provided, give in car
The criterion of the personal safety degree of interior rest personnel：When physiological signal is normal, and oxygen concentration is less than oxygen concentration threshold value,
It is determined to have risk；When physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger
Danger.So different treatment measures can be made for different situations, safety guarantee is provided to occupant.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.The accompanying drawing of the present embodiment is only used for showing the purpose of preferred embodiment, and is not regarded as
It is limitation of the present invention.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of flow according to the Vehicular intelligent control method provided in an embodiment of the present invention based on fatigue monitoring
Figure；
Fig. 2 is a kind of flow chart of the method for the degree of fatigue according to judgement driver provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the method according to judgement driver's personal safety degree provided in an embodiment of the present invention；
Fig. 4 is the first structure according to the Vehicular intelligent control system provided in an embodiment of the present invention based on fatigue monitoring
Schematic diagram；
Fig. 5 is second of structure according to the Vehicular intelligent control system provided in an embodiment of the present invention based on fatigue monitoring
Schematic diagram.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
As shown in figure 1, being one according to the Vehicular intelligent control method provided in an embodiment of the present invention based on fatigue monitoring
Plant flow chart.
In the present embodiment, methods described can comprise the steps：
Step S01, gathers the physiological signal of driver.
In the present embodiment, the physiological signal of driver can be gathered by Intelligent worn device, naturally it is also possible to pass through
The physiological signal of physiological signal sensor collection driver in the car is set, not limited herein.Preferably, worn by intelligence
Wear equipment gather driver physiological signal, the physiological signal include it is following any one or more：Body temperature, heart rate, pulse；
The physiological signal is sent to positioned at in-car central processing unit by the Intelligent worn device by radio communication.
In a specific embodiment, driver's carrying Intelligent worn device enters vehicle, and when for the first time, intelligence wearing is set
During for entering vehicle, it need to be attached manually, i.e., Intelligent worn device is connected with in-car with central processing unit (T-ECU)
Bluetooth connection, this operation can be configured by MP5 host interfaces, after successful connection, MP5 main frames carry out text prompt
Successful connection, Intelligent worn device carries out 2 progress confirmation successful connections of vibrations.When non-first time Intelligent worn device enters car
When, system can be connected automatically, and by MP5 host acknowledgements carry Intelligent worn device personnel be driver.When having confirmed that
After driver's carrying Intelligent worn device is driven a vehicle, Intelligent worn device can monitor the physiological signal of driver in real time, and lead to
The T-ECU that this physiological signal is delivered in vehicle by bluetooth in real time is crossed, in order to which T-ECU judges according to the physiological signal of collection
Driver whether there is fatigue driving.
Step S02, when speed is not zero, the degree of fatigue of driver is judged according to the physiological signal of driver, if
For slight fatigue, then driver is pointed out, if severe fatigue, then driver is pointed out, driven while opening
Miscellaneous function and opening danger alarm lamp.
In the present embodiment, in vehicle travel process, judge driver whether there is fatigue driving situation, and according to
The degree of fatigue driving takes different counter-measures.Wherein, drive assistance function includes：Lane departure warning (LDWS), from
Dynamic emergency brake (AEB), self-adaption cruise system (ACC) etc., can also include unmanned function etc..
In a specific embodiment, if central processing unit (T-ECU) judges that now driver is in fatigue driving feelings
During condition, vehicle modules (such as instrument, automatic emergency brake system, self-adaption cruise system can be delivered to by CAN
Deng), Intelligent worn device is delivered to by bluetooth equipment.Each system can carry out corresponding measure according to the signal of receiving, a,
If now judging, driver has just enter into fatigue driving (slight fatigue), i.e., Intelligent worn device carries out vibration prompting, and instrument is carried out
" your fatigue driving, please stop rest for word alarm.”；If b, the first prompting can not allow driver to regain consciousness, that is, judge to drive
The person of sailing is in severe fatigue, now keeps the first to point out, and MP5 driving vehicle loudspeaker send buzz, open driving auxiliary
Function, including：Lane departure warning (LDWS), automatic emergency brake (AEB), self-adaption cruise system (ACC) etc., opening are dangerous
Warning light points out surrounding vehicles.When being pointed out more than, client regained consciousness, the continuous whipping Intelligent worn device of can exerting oneself 2 times with
On, you can release Intelligent worn device vibration prompting, the buzz of the full loudspeaker of full car, hydropac lamp；If monitoring driver's life
Reason signal judges that driver is clear-headed and keeps more than 3min, that is, automatically terminates all promptings, the vehicle in front returned to is set, such as fruiting period
Between driver release partial function manually, by driver operation be defined, without automatically terminating, if being monitored again within 3min
There is fatigue driving situation in driver, by reclocking.
Step S03, when speed is that zero, engine speed is not zero, air mass signal in collecting vehicle, according to driver
Physiological signal and in-car air quality signal judge driver's personal safety degree, if there is risk, then to driver
Pointed out, if danger, then driver is pointed out, while opening vehicle window.
In a specific embodiment, when T-ECU receives only tach signal, without GES (or vehicle speed value
Exceed duration set in advance, such as 3min for 0), then it is defaulted as user and rests in the car, now can T-ECU monitoring user's lifes
Characteristic information and in-car air quality information (oxygen content, toxic gas content etc.) are managed, judges environment inside car whether to user
Healthy threat or the user's body reason feature of producing is in unsafe condition, if user's physiological health has been on the hazard, now
This is delivered to BCM, MP5 and instrument by T-ECU by CAN network, and is pointed out by Bluetooth control Intelligent worn device.
Each system takes different measure according to information：Wearable device is pointed out by vibrating.BCM can control the door glass of vehicle four automatic
Landing.Instrument carries out text prompt " in-car air quality is poor, please be aerated ".MP5 can control in-car loudspeaker to carry out sound
Alarm.When T-ECU does not have tach signal, and there is no GES, and Intelligent worn device has been connected with T-ECU, acquiescence is used
Family is rested in the car, and now T-ECU monitors user's physiological characteristic and judges whether user's body reason feature is in unsafe condition,
If user's physiological health has been on the hazard, T-ECU first can control vehicle to be powered, i.e., all electrical appliances are in running order, T-
ECU wakes up BCM, MP5 and instrument by CAN network, and is transferred to by bluetooth in Intelligent worn device.Each system is according to letter
Breath takes different measure：Wearable device is pointed out by vibrating.BCM can control the door glass of vehicle four to land automatically.Instrument is entered
Row text prompt " environment inside car is poor, it is proposed that vehicle is divulged information ".MP5 can control in-car loudspeaker to carry out audible alarm.Need explanation
, after detecting Intelligent worn device and leaving vehicle, T-ECU immediately can power off vehicle.If in addition, because user only exists
In-car rest, without tach signal, illustrates that vehicle is not actuated, i.e., vehicle may be upper electric, therefore, designs T-ECU to work as car
When any one car door is opened, T-ECU is to be powered, and T-ECU does not receive tach signal and GES still after 5min, then
T-ECU searches for matching Intelligent worn device automatically, a, when searching Intelligent worn device, connects automatically and monitors use
Family physiological characteristic.B, when not searching Intelligent worn device, then carry out T-ECU power themselves downs, if period any time
Section detects car door and there is open signal, and T-ECU can be re-energised again, after 5min T-ECU do not receive still tach signal with
GES, then T-ECU search for matching Intelligent worn device automatically.
The Vehicular intelligent control method and system based on fatigue monitoring that the present invention is provided, in vehicle travel process, root
The degree of fatigue of driver is judged according to the physiological signal of driver, if slight fatigue, then driver is pointed out, if
For severe fatigue, then driver is pointed out, while opening drive assistance function and opening danger alarm lamp, thus effectively
During driver is from fatigue state to complete waking state safety guarantee is provided for occupant；When vehicle stops, collection
In-car air quality signal, driver's personal safety journey is judged according to the physiological signal of driver and in-car air quality signal
Degree, if there is risk, then pointing out driver, if danger, then driver being pointed out, while opening vehicle
Window, so it is prevented that occupant is injured because of pernicious gas, effectively provides safety for the personnel that rest in the car and protects
Barrier.
As shown in Fig. 2 a kind of of method for the degree of fatigue according to judgement driver provided in an embodiment of the present invention flows
Cheng Tu.In the present embodiment, the fatigue driving of the corresponding user of several Intelligent worn devices is stored in the central processing unit
Threshold value.Wherein, the fatigue driving threshold value of user can be obtained by following methods.
The physiological signal according to driver judges that the degree of fatigue of driver comprises the following steps：
Step S21, gathers each physiological signal of the corresponding user of each Intelligent worn device in advance, and counts each physiology letter
Number average value.
In the present embodiment, the average value of each physiological signal can be counted by T-ECU, naturally it is also possible to be by intelligently wearing
The average value of each physiological signal of equipment programming count is worn, is not limited herein.
Step S22, according to each physiological signal of default range threshold and the corresponding user of each Intelligent worn device
Average value, obtains the fatigue driving threshold value of each physiological signal of the corresponding user of each Intelligent worn device.
In the present embodiment, default range threshold can be a ratio value, the percentage of such as average value, that is,
Say using average value as datum line, delimit certain limit and be used as default range threshold.
Step S23, according to the physiological signal of the corresponding user of current Intelligent worn device and corresponding fatigue driving threshold
Value, whether be slight fatigue, and judge whether the user is driver if judging the corresponding user of current Intelligent worn device.
In the present embodiment, due to whether being in fatigue by the corresponding fatigue driving threshold decision driver of each user
Drive, can effectively lift the degree of accuracy of judgement.
Step S24, if driver is slight fatigue and does not eliminate prompting after the prompting of preset duration, judgement is driven
The person of sailing is severe fatigue.
Wherein, it is described eliminate prompting include it is following any one or more：Opened by specific action or pressing alarm elimination
Close and eliminate prompting；Speed is reduced to safe speed threshold value.Specific action can be to rock Intelligent worn device etc., for example, intelligence
Acceleration transducer can be set in wearable device, and when rocking Intelligent worn device, acceleration transducer will collect phase
Information is answered, judges that driver wishes to eliminate prompting with this
In the present embodiment, because the criterion between slight fatigue and severe fatigue is also without obvious physiological signal
Boundary, it to reduce traffic accident is that a hot research is asked that how prior art, which judges that driver is in severe fatigue state,
Topic, but still without good solution, the present embodiment is from another angle：When it is determined that driver is slight fatigue, give
Prompting is given, if not receiving the instruction for eliminating prompting in preset duration, then it is assumed that driver is in severe fatigue state, this
Sample just effectively detects whether driver is in severe fatigue state, prevents traffic accident.
As shown in figure 3, being one kind of the method according to judgement driver's personal safety degree provided in an embodiment of the present invention
Flow chart.
In the present embodiment, the in-car air quality signal includes：Oxygen concentration, harmful gas concentration；The basis
The physiological signal and in-car air quality signal of driver judges that driver's personal safety degree includes：
Step S31, when physiological signal is normal, when oxygen concentration is less than oxygen concentration threshold value, is determined to have risk.Specifically
Ground, can gather oxygen concentration information by oxygen concentration sensor.
Step S32, when physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, is determined as danger
Danger.
Correspondingly, present invention also offers a kind of Vehicular intelligent control system based on fatigue monitoring, as shown in figure 4, being
The first structural representation of the Vehicular intelligent control system based on fatigue monitoring provided according to embodiments of the present invention.
In the present embodiment, the system includes：Intelligent worn device, Wireless Telecom Equipment, central processing unit, vehicle control
System processed, the Wireless Telecom Equipment, the central processing unit and the vehicle control system are integrated in vehicle, the intelligence
Wearable device and the Wireless Telecom Equipment are communicated to connect, and the Wireless Telecom Equipment is connected with the center processing, it is described in
Central processor is connected by CAN with the first electronic control unit of the vehicle control system.
Wherein, the Intelligent worn device includes：Power supply, physiological signal sensor, the second electronic control unit, prompting are single
Member and wireless communication module, the power supply are the physiological signal sensor, second electronic control unit, the prompting list
First and described wireless communication module power supply, the physiological signal sensor is used for the physiological signal for gathering wearer, and will be described
Physiological signal is sent to second electronic control unit, and second electronic control unit will by the wireless communication module
The physiological signal is sent to the Wireless Telecom Equipment；The wireless communication module is receiving the Wireless Telecom Equipment hair
After the slight tired signal sent, the slight tired signal is transferred to second electronic control unit, the second electronics control
Unit processed controls the Tip element to be pointed out.
The vehicle control system includes：First electronic control unit, drive assistance function system, danger alarm lamp, car
Window controller, vehicle speed sensor, air mass sensor, first electronic control unit, the drive assistance function system
Control unit be connected with the vehicle window controller by CAN, the vehicle speed sensor and the air mass sensor
It is respectively used to the GES and air mass signal of collection being sent to first electronic control unit.Wherein, described
One electronic control unit can be car body controller (BCM).
The central processing unit is used to receive after the physiological signal and the GES, when speed is not zero,
The degree of fatigue of driver is judged according to the physiological signal of driver, if slight fatigue, then to the Wireless Telecom Equipment
Slight tired signal is sent, is driven with carrying out prompting to driver by the Tip element, if severe fatigue, then institute is controlled
Tip element is stated to point out driver, while controlling the drive assistance function system to open drive assistance function and control
The danger alarm lamp is made to be alarmed；When speed is that zero, engine speed is not zero, pass through the air mass sensor
Air mass signal in collecting vehicle, then judges driver's personal safety according to the physiological signal and in-car air quality signal
Degree, if there is risk, then sends slight tired signal, to pass through the Tip element pair to the Wireless Telecom Equipment
Driver is pointed out, if danger, then controls the Tip element to point out driver, while controlling the car
Window controller opens vehicle window.
Wherein, the air mass sensor includes：Oxygen concentration sensor and harmful gas concentration sensor；In described
Central processor specifically for when physiological signal it is normal, when oxygen concentration is less than oxygen concentration threshold value, is determined to have risk, works as life
When managing that signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.In addition, the wagon control
System can also include speed probe, be arranged on engine output shaft and go out, so can basis for gathering engine speed
Engine speed and speed judge whether vehicle is in idling mode, so in order to protecting in the car storehouse under idling mode
The personnel of interior rest.
In the present embodiment, as shown in figure 5, for according to the Vehicular intelligent provided in an embodiment of the present invention based on fatigue monitoring
Second of structural representation of control system.The physiological signal sensor is used to gather following any one or more physiology letter
Number：Body temperature, heart rate and pulse；The system also includes：Combination instrument, is connected by CAN with the central processing unit, is used
In any one or more following information of display：Physiological signal, speed, degree of fatigue and personal safety degree；And engine
Speed probe, is connected with first electronic control unit, turns for sending engine to first electronic control unit
Fast information；The central processing unit specifically for being that zero, engine speed is not zero when speed, and the Intelligent worn device with
When the central processing unit radio communication is connected, judged according to the physiological signal of the driver of collection and in-car air quality signal
Driver's personal safety degree, if there is risk, is then pointed out driver, if danger, then driver is entered
Row prompting, while controlling electricity on vehicle, and controls the vehicle window controller to open vehicle window.
Specifically, the fatigue driving threshold value of the corresponding user of several Intelligent worn devices is stored in the central processing unit
With default range threshold.The central processing unit specifically for gathering each of the corresponding user of each Intelligent worn device in advance
Physiological signal, and count the average value of each physiological signal；According to default range threshold and each Intelligent worn device is corresponding makes
The average value of each physiological signal of user, obtains the fatigue driving of each physiological signal of the corresponding user of each Intelligent worn device
Threshold value；According to the physiological signal of the corresponding user of current Intelligent worn device and corresponding fatigue driving threshold value, judge current
Whether the corresponding user of Intelligent worn device is slight fatigue, and judges whether the user is driver；If driver
Prompting is not eliminated for slight fatigue and after the prompting of preset duration, then judge driver as severe fatigue.
The Intelligent worn device also includes：Acceleration transducer, is connected with second electronic control unit, for inciting somebody to action
The acceleration information of the Intelligent worn device of collection is sent to second electronic control unit；The Tip element is vibrations mould
Block, is pointed out wearer in the form of vibrations；Second electronic control unit, which is additionally operable to work as, receives the acceleration
After the acceleration information that sensor is sent, judge whether acceleration exceedes acceleration rate threshold, if it is, judging that driver expects
Eliminate prompting.
Preferably, the air mass sensor includes：Oxygen concentration sensor and harmful gas concentration sensor；It is described
Central processing unit specifically for when physiological signal it is normal, when oxygen concentration is less than oxygen concentration threshold value, be determined to have risk, when
When physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.
Control logic and display be not intrinsic with any certain computer, virtual system or miscellaneous equipment provided herein
It is related.Various general-purpose systems can also be used together with based on teaching in this.As described above, this kind of system institute is constructed
It is required that structure be obvious.In addition, the present invention is not also directed to any certain programmed language.It is understood that, it is possible to use
Various programming languages realize the content of invention described herein, and the description done above to language-specific is to disclose
The preferred forms of the present invention.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect, exist
Above in the description of the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：It is i.e. required to protect
The application claims of shield features more more than the feature being expressly recited in each claim.
Those skilled in the art, which are appreciated that, to be carried out adaptively to the module in the system in embodiment
Change and they are arranged in one or more equipment different from the embodiment.Can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it can use any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit is required, summary and accompanying drawing) disclosed in each feature can or similar purpose identical, equivalent by offer alternative features come generation
Replace.
Although in addition, it will be appreciated by those of skill in the art that embodiment described herein includes institute in other embodiments
Including some features rather than further feature, but not the combination of the feature of be the same as Example mean be in the scope of the present invention
Within and form different embodiments.For example, in the following claims, embodiment claimed it is any it
One mode can use in any combination.
The present invention all parts embodiment can be realized with hardware, or with one or more processor run
Software module realize, or realized with combinations thereof.It will be understood by those of skill in the art that can use in practice
Microprocessor or digital signal processor (DSP) according to embodiments of the present invention are used for multioperation end remote control list to realize
Some or all functions in the system of operation object.The present invention is also implemented as being used to perform method as described herein
Some or all equipment or system program (such as computer program and computer program product).It is such to realize this
The program of invention can be stored on a computer-readable medium, or can have the form of one or more signal.So
Signal can download and obtain from the website of internet, can also be provided on carrier signal, or in any other form
There is provided.
It should be noted that above-described embodiment is that the present invention will be described rather than limited the invention, and
Those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded for depositing
In element or step not listed in the claims etc..Word "a" or "an" before element does not exclude the presence of many
Individual such element.The present invention can be by means of including the hardware of some different elements and by means of properly programmed calculating
Machine is realized.In if the unit claim of dry systems is listed, several in these systems can be by same
Hardware branch is embodied.Word first, second and third use do not indicate that any order.These words can be explained
For title.
Claims (10)
1. a kind of Vehicular intelligent control method based on fatigue monitoring, it is characterised in that methods described comprises the steps：
Gather the physiological signal of driver；
When speed is not zero, the degree of fatigue of driver is judged according to the physiological signal of driver, if slight fatigue, then
Driver is pointed out, if severe fatigue, then driver pointed out, while opening drive assistance function and opening
Danger alarm lamp；
When speed is that zero, engine speed is not zero, air mass signal in collecting vehicle, according to the physiological signal of driver and
In-car air quality signal judges driver's personal safety degree, if there is risk, then driver is pointed out, if
For danger, then driver is pointed out, while opening vehicle window.
2. the Vehicular intelligent control method according to claim 1 based on fatigue monitoring, it is characterised in that worn by intelligence
Wear equipment gather driver physiological signal, the physiological signal include it is following any one or more：Body temperature, heart rate, pulse；
The physiological signal is sent to central processing unit by the Intelligent worn device by radio communication；
Methods described also includes：
When speed is that zero, engine speed is not zero, and the Intelligent worn device and the central processing unit radio communication phase
Air mass signal in Lian Shi, collecting vehicle, driver people is judged according to the physiological signal of driver and in-car air quality signal
Body safe coefficient, if there is risk, is then pointed out driver, if danger, then driver is pointed out, together
When control vehicle on electricity, and open vehicle window.
3. the Vehicular intelligent control method according to claim 2 based on fatigue monitoring, it is characterised in that the centre
The fatigue driving threshold value of the corresponding user of several Intelligent worn devices is stored in reason device；
The physiological signal according to driver judges that the degree of fatigue of driver includes：
Each physiological signal of the corresponding user of each Intelligent worn device is gathered in advance, and counts the average value of each physiological signal；
According to default range threshold and the average value of each physiological signal of the corresponding user of each Intelligent worn device, obtain each
The fatigue driving threshold value of each physiological signal of the corresponding user of Intelligent worn device；
According to the physiological signal of the corresponding user of current Intelligent worn device and corresponding fatigue driving threshold value, current intelligence is judged
Whether the corresponding user of energy wearable device is slight fatigue, and judges whether the user is driver；
If driver is slight fatigue and does not eliminate prompting after the prompting of preset duration, judge that driver is tired as severe
Labor.
4. the Vehicular intelligent control method according to claim 3 based on fatigue monitoring, it is characterised in that the elimination is carried
Show including it is following any one or more：
Switch is eliminated by specific action or pressing alarm and eliminates prompting；
Speed is reduced to safe speed threshold value.
5. the Vehicular intelligent control method according to claim 1 based on fatigue monitoring, it is characterised in that described in-car empty
Gas quality signal includes：Oxygen concentration, harmful gas concentration；
The physiological signal and in-car air quality signal according to driver judges that driver's personal safety degree includes：
When physiological signal is normal, when oxygen concentration is less than oxygen concentration threshold value, it is determined to have risk；
When physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.
6. a kind of Vehicular intelligent control system based on fatigue monitoring, it is characterised in that the system includes：
Intelligent worn device, Wireless Telecom Equipment, central processing unit, vehicle control system, the Wireless Telecom Equipment, it is described in
Central processor and the vehicle control system are integrated in vehicle, and the Intelligent worn device communicates with the Wireless Telecom Equipment
Connection, the Wireless Telecom Equipment is connected with the center processing, and the central processing unit passes through CAN and the vehicle control
First electronic control unit of system processed is connected；
The Intelligent worn device includes：Power supply, physiological signal sensor, the second electronic control unit, Tip element and wireless
Communication module, the power supply is the physiological signal sensor, second electronic control unit, the Tip element and described
Wireless communication module power supply, the physiological signal sensor is used to gathering the physiological signal of wearer, and by the physiological signal
It is sent to second electronic control unit, second electronic control unit is by the wireless communication module by the physiology
Signal is sent to the Wireless Telecom Equipment；The wireless communication module is receiving the slight of the Wireless Telecom Equipment transmission
After tired signal, the slight tired signal is transferred to second electronic control unit, the second electronic control unit control
The Tip element is made to be pointed out；
The vehicle control system includes：First electronic control unit, drive assistance function system, danger alarm lamp, vehicle window control
Device processed, vehicle speed sensor, air mass sensor, first electronic control unit, the control of the drive assistance function system
Unit processed is connected with the vehicle window controller by CAN, the vehicle speed sensor and air mass sensor difference
For the GES and air mass signal of collection to be sent into first electronic control unit；
The central processing unit is used to receive after the physiological signal and the GES, when speed is not zero, according to
The physiological signal of driver judges the degree of fatigue of driver, if slight fatigue, is then sent to the Wireless Telecom Equipment
Slight fatigue signal, to be pointed out by the Tip element driver, if severe fatigue, then controls the prompting
Unit is to point out driver, while controlling the drive assistance function system to open described in drive assistance function and control
Danger alarm lamp is alarmed；When speed is that zero, engine speed is not zero, pass through the air mass sensor collecting vehicle
Interior air mass signal, then judges driver's personal safety degree according to the physiological signal and in-car air quality signal,
If there is risk, then send slight tired signal to the Wireless Telecom Equipment, with by the Tip element to driving
Member is pointed out, and if danger, then controls the Tip element to point out driver, while controlling the vehicle window to control
Device opens vehicle window.
7. the Vehicular intelligent control system according to claim 6 based on fatigue monitoring, it is characterised in that the physiology letter
Number sensor is used to gather any one or more following physiological signal：Body temperature, heart rate and pulse；
The system also includes：Combination instrument, is connected by CAN with the central processing unit, following any for showing
One or more information：Physiological signal, speed, degree of fatigue and personal safety degree；
Engine speed sensor, is connected with first electronic control unit, for being sent out to first electronic control unit
Send engine speed information；
The central processing unit is specifically for being that zero, engine speed is not zero when speed, and the Intelligent worn device and institute
When stating central processing unit radio communication and being connected, judged to drive according to the physiological signal of the driver of collection and in-car air quality signal
The person's of sailing personal safety degree, if there is risk, is then pointed out driver, if danger, then driver is carried out
Prompting, while controlling electricity on vehicle, and controls the vehicle window controller to open vehicle window.
8. the Vehicular intelligent control system according to claim 7 based on fatigue monitoring, it is characterised in that the centre
The fatigue driving threshold value and default range threshold of the corresponding user of several Intelligent worn devices is stored in reason device；
The central processing unit is united specifically for gathering each physiological signal of the corresponding user of each Intelligent worn device in advance
Count the average value of each physiological signal；Believed according to each physiology of default range threshold and the corresponding user of each Intelligent worn device
Number average value, obtain the fatigue driving threshold value of each physiological signal of the corresponding user of each Intelligent worn device；According to current
The physiological signal of the corresponding user of Intelligent worn device and corresponding fatigue driving threshold value, judge current Intelligent worn device pair
Whether the user answered is slight fatigue, and judges whether the user is driver；If driver for slight fatigue and
Prompting is not eliminated after the prompting of preset duration, then judges driver as severe fatigue.
9. the Vehicular intelligent control system according to claim 8 based on fatigue monitoring, it is characterised in that the intelligence is worn
Wearing equipment also includes：
Acceleration transducer, is connected with second electronic control unit, for by the acceleration of the Intelligent worn device of collection
Information is sent to second electronic control unit；
The Tip element is shock module, and wearer is pointed out in the form of vibrations；
Second electronic control unit is additionally operable to after the acceleration information that the acceleration transducer is sent is received, judge
Whether acceleration exceedes acceleration rate threshold, if it is, judging that driver expects to eliminate prompting.
10. the Vehicular intelligent control system according to claim 6 based on fatigue monitoring, it is characterised in that the air
Mass sensor includes：Oxygen concentration sensor and harmful gas concentration sensor；
The central processing unit specifically for when physiological signal it is normal, when oxygen concentration is less than oxygen concentration threshold value, be judged to depositing
In risk, when physiological signal is abnormal and/or harmful gas concentration is higher than adverse concentration threshold value, it is determined as danger.
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Application publication date: 20170901 |