CN104044460A - Alarm method and device for preventing fatigue driving of motor vehicle - Google Patents
Alarm method and device for preventing fatigue driving of motor vehicle Download PDFInfo
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- CN104044460A CN104044460A CN201410120908.6A CN201410120908A CN104044460A CN 104044460 A CN104044460 A CN 104044460A CN 201410120908 A CN201410120908 A CN 201410120908A CN 104044460 A CN104044460 A CN 104044460A
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Abstract
The invention discloses an alarm device for preventing fatigue driving of a motor vehicle. The alarm device for preventing the fatigue driving of the motor vehicle comprises a single chip microcomputer, and an input interface and an output interface of the single chip microcomputer, and is characterized in that the input interface is connected with a fingerprint recognition device, a face and eyes positioning device, a heart rate monitoring device, a skin surface resistance monitoring device and an alcohol detection device respectively; the output interface of the single chip microcomputer is connected with an alarm device, a vehicle control system, a vehicle-mounted terminal, a card reader and a recorder respectively; the fingerprint recognition device, the heart rate monitoring device, the skin surface resistance monitoring device and the alcohol detection device can be arranged in a key, a safety belt or a steering wheel of the vehicle. The alarm device for preventing the fatigue driving of the motor vehicle has the advantages that the heart rate monitoring device and the skin surface resistance monitoring device can monitor the current state of a driver in real time, timely remind a system whether the driver is going to enter a sleepy period and ensure to give out a system prompt or start the alarm device in first time so as to reduce traffic accidents.
Description
Technical field
The present invention relates to biomedical engineering and mechatronic interleaving techniques field, specifically a kind of alarm method of automobile anti-fatigue driving and device.
Background technology
Fatigue driving, drive over the speed limit, drive when intoxicated etc. is to cause the major reason of traffic accident, and stopping the traffic accident that these reasons cause is one of long-term task of people.
In recent years, along with the development of computer technology, integrated circuit technique and digital image processing techniques, people have developed timely monitoring chaufeur driving condition and have prevented the instrument of fatigue driving, these instruments be mainly the monitoring eye state of chaufeur or the electroencephalogram of chaufeur.Wherein, in the eye state of monitoring chaufeur, when chaufeur eyelid stops opening and closing, while there is tired meaning, system or instrument give the alarm immediately, chaufeur is waken up with a start, and continue to keep normal driving, the shortcoming of this device is: more late to driver fatigue early warning, when driver's eyes stops opening and closing by the time, belonged to sleep period, this is quite unfavorable to driving; In the system or instrument of electroencephalogram of monitoring chaufeur, need to use the large heavier electroencephalogram being connected with human brain, bring certain load to like this health of chaufeur, impact is driven.Meanwhile, the fatigue driving instrument that prevents of exploitation mainly adopts a kind of method of measurement at present, and the intrinsic limitation of method itself causes the inaccurate of assessment result, can not prepare to judge the state of chaufeur, can cause traffic accident.
Summary of the invention
The object of this invention is to provide a kind of alarm method and device of automobile anti-fatigue driving, the method is mainly the finger print information that first gathers chaufeur, analyze after its identity, judge whether generation drives whether continuously the time of driving exceedes specified value with chaufeur to chaufeur, if chaufeur do not have generation drive and the driving time of chaufeur in specialized range, then gather eye and the facial information of chaufeur simultaneously, heart rate data, skin surface resistance data, system continues to analyze the synthesis reference breath of chaufeur, multivariantly judge whether chaufeur enters drowsiness or sleep period, thereby determine whether enable early warning scheme and enable which kind of early warning scheme.
The alarm method of a kind of automobile anti-fatigue driving of the present invention, comprises the following steps:
(1), in the time of motor vehicle starting, fingerprint identification device gathers the finger print information of chaufeur, by fingerprint information data record;
(2) by the finger print information comparison of the finger print information of datumization and record, analyze the identity of this chaufeur, judge whether for driving, if in generation, is driven starter motor motor-car main fuel reservoir shut-off circuit, if in generation, does not drive, judge that whether this chaufeur is the time of driving continuously in 24h to exceed specified value, if the driving time of chaufeur exceedes specified value, enables self-propelled vehicle main fuel reservoir shut-off circuit;
(3) if chaufeur is not that generation drives and the driving time of chaufeur does not exceed specified value, alcohol detecting device gathers the alcohol content of chaufeur; And with specified value comparison, judge whether alcohol content exceeds standard, if alcohol content exceeds standard, enable self-propelled vehicle main fuel reservoir shut-off circuit;
(4) if the alcohol content of chaufeur does not exceed standard, self-propelled vehicle normally travels;
(5) face and eye registration device, heart rate monitoring unit and skin surface electrical resistance monitoring device gather respectively sign information the record of chaufeur, the time 15～25min of collection;
(6) analyze face and the scope of eyes position scope, heart rate and skin surface resistance;
(7) in motor-driven vehicle going process, sign information the record of Real-time Collection chaufeur, compare with the scope in (6) step simultaneously, first relatively heart rate, judge that whether heart rate is normal, judge that heart rate is whether in (6) step in recording interval, if heart rate mal, start the two sudden strain of a muscle controllers of car light and Che Nei auditory tone cues controller in warning device, secondly compare skin surface resistance, judge that whether skin surface resistance value is normal, judge in the scope whether skin surface resistance value record in (6) step, if skin surface resistance value mal, start auditory tone cues controller in the car in warning device, whether the position that finally judges face and eyes is normal, if mal, in the scope not recording in (6) step, start the two sudden strain of a muscle controllers of warning device car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller and brake of motor-driven vehicle control circuit,
(8), in the time that self-propelled vehicle stops travelling, stop the collection of sign information, and sign information is put in order to original value.
When changes in heart rate departs from the more than 10 beats/min of recording interval in (6) step, i.e. changes in heart rate mal; When skin surface resistance variations departs from (6) step recording interval in the time that a second, internal resistance value rangeability exceeded 100%, i.e. skin surface resistance variations mal.
A kind of warning device of automobile anti-fatigue driving, comprise: micro controller system, the input interface of micro controller system and output interface, input interface connects respectively fingerprint identification device, face and eye registration device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device, the output interface of micro controller system connects respectively warning device, vehicle control system, car-mounted terminal, card reader and recording instrument, wherein fingerprint identification device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device can be placed on car key or car safety strap or car bearing circle.
Described fingerprint identification device can be placed on car key or car safety strap or car bearing circle; Heart rate monitoring unit and skin surface resistance device are placed on car safety strap or car bearing circle; If alcohol detecting device is arranged on car.
Described micro controller system is the micro controller system of arm framework.
Described fingerprint identification device comprises infra-ray sensing fingerprint image acquisition module, view data processing module and comparing module.
Described alcohol detecting device comprises: gas sensor and signal processor.
Described heart rate monitoring unit comprises: infrared pickoff and signal processor.
Described skin surface electrical resistance monitoring device comprises: skin surface resistance sensor and signal processor, the structure of skin surface resistance sensor is that microelectrode connects R-U conv, and R-U conv connects filter, filter access signal processor, wherein R is resistance, and U is voltage.
Described warning device comprises: the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller, the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and enabling separately of Che Nei auditory tone cues controller complete.
Described vehicle control system comprises brake of motor-driven vehicle control circuit and self-propelled vehicle main fuel reservoir shut-off circuit;
Described car-mounted terminal is GPRS/CDMA interface.
Described card reader records the finger print information of chaufeur.
Described recording instrument records the normal range of normal every sign of chaufeur, and every sign in logging machine motor-car driving process.
The warning of a kind of automobile anti-fatigue driving of the present invention and the advantage of method are: heart rate device and skin surface resistance device can be monitored driver's current state in real time, and whether prompt system driver is about to enter the sleepy phase in time, guarantee to provide system prompt or start warning device in the very first time, reduce the generation of traffic accident; Whether face and eye registration device more can accurately provide driver in sleep simultaneously, pressure motor vehicle gasoline throttle is closed, and when facial and eye registration device finally determine that driver is in the sleepy phase, take to enable the braking circuit of self-propelled vehicle and the shut-off circuit of main fuel reservoir, finally guarantee the safety of arteries of communication; Heart rate device, skin surface resistance device and face and the multiple mode of eye registration device are monitored simultaneously, give driver more taking care of multimachine meeting, the generation avoiding traffic accident; Fingerprint identification device, heart rate device, skin surface resistance device and alcohol measurement mechanism are selected to be placed on car key or car safety strap or car bearing circle flexibly, make the measurement of sign information more convenient and more reliable.
Detailed description of the invention
Embodiment mono-
An alarm method for automobile anti-fatigue driving, comprises the following steps:
(1), in the time of motor vehicle starting, fingerprint identification device gathers the finger print information of chaufeur, by fingerprint information data record;
(2) by the finger print information comparison of the finger print information of datumization and record, analyze the identity of this chaufeur, judge whether for driving, if in generation, is driven starter motor motor-car main fuel reservoir shut-off circuit, if in generation, does not drive, judge that whether this chaufeur is the time of driving continuously in 24h to exceed specified value, if the driving time of chaufeur exceedes specified value, enables self-propelled vehicle main fuel reservoir shut-off circuit;
(3) if chaufeur is not that generation drives and the driving time of chaufeur does not exceed specified value, alcohol detecting device gathers the alcohol content of chaufeur; And compare with the alcohol content 80mg/100mL in blood, judge whether alcohol content exceeds standard, if alcohol content exceeds standard, enable self-propelled vehicle main fuel reservoir shut-off circuit;
(4) if the alcohol content of chaufeur does not exceed standard, self-propelled vehicle normally travels;
(5) face and eye registration device, heart rate monitoring unit and skin surface electrical resistance monitoring device gather respectively sign information the record of chaufeur, the time 15min of collection;
(6) analyze face and the scope of eyes position scope, heart rate and skin surface resistance;
(7) in motor-driven vehicle going process, sign information the record of Real-time Collection chaufeur, compare with the scope in (6) step simultaneously, first relatively heart rate, judge that whether heart rate is normal, judge that heart rate is whether in (6) step in recording interval, if heart rate mal, start the two sudden strain of a muscle controllers of car light and Che Nei auditory tone cues controller in warning device, secondly compare skin surface resistance, judge that whether skin surface resistance value is normal, judge in the scope whether skin surface resistance value record in (6) step, if skin surface resistance value mal, start auditory tone cues controller in the car in warning device, whether the position that finally judges face and eyes is normal, if mal, in the scope not recording in (6) step, start the two sudden strain of a muscle controllers of warning device car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller and brake of motor-driven vehicle control circuit,
(8), in the time that self-propelled vehicle stops travelling, stop the collection of sign information, and sign information is put in order to original value.
When changes in heart rate departs from the more than 10 beats/min of recording interval in (6) step, i.e. changes in heart rate mal; When skin surface resistance variations departs from (6) step recording interval in the time that a second, internal resistance value rangeability exceeded 100%, i.e. skin surface resistance variations mal.
A kind of warning of automobile anti-fatigue driving, comprise: micro controller system, the input interface of micro controller system and output interface, input interface connects respectively fingerprint identification device, face and eye registration device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device, and the output interface of micro controller system connects respectively warning device, vehicle control system, car-mounted terminal, card reader and recording instrument.
Described fingerprint identification device is placed on car key; Heart rate monitoring unit, skin surface resistance device and alcohol detecting device are placed on car bearing circle.
Described micro controller system is the micro controller system of arm framework.
Described fingerprint identification device comprises infra-ray sensing fingerprint image acquisition module, view data processing module and comparing module.
Described alcohol detecting device comprises: gas sensor and signal processor.
Described heart rate monitoring unit comprises: infrared pickoff and signal processor.
Described skin surface electrical resistance monitoring device comprises: skin surface resistance sensor and signal processor, the structure of skin surface resistance sensor is that microelectrode connects R-U conv, and R-U conv connects filter, filter access signal processor, wherein R is resistance, and U is voltage.
Described warning device comprises: the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller, the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and enabling separately of Che Nei auditory tone cues controller complete.
Described vehicle control system comprises brake of motor-driven vehicle control circuit and self-propelled vehicle main fuel reservoir shut-off circuit;
Described car-mounted terminal is GPRS/CDMA interface.
Described card reader records the finger print information of chaufeur.
Described recording instrument records the normal range of normal every sign of chaufeur, and every sign in logging machine motor-car driving process.
Embodiment bis-
An alarm method for automobile anti-fatigue driving, comprises the following steps:
(1), in the time of motor vehicle starting, fingerprint identification device gathers the finger print information of chaufeur, by fingerprint information data record;
(2) by the finger print information comparison of the finger print information of datumization and record, analyze the identity of this chaufeur, judge whether for driving, if in generation, is driven starter motor motor-car main fuel reservoir shut-off circuit, if in generation, does not drive, judge that whether this chaufeur is the time of driving continuously in 24h to exceed specified value, if the driving time of chaufeur exceedes specified value, enables self-propelled vehicle main fuel reservoir shut-off circuit;
(3) if chaufeur is not that generation drives and the driving time of chaufeur does not exceed specified value, alcohol detecting device gathers the alcohol content of chaufeur; And compare with the alcohol content 80mg/100mL in blood, judge whether alcohol content exceeds standard, if alcohol content exceeds standard, enable self-propelled vehicle main fuel reservoir shut-off circuit;
(4) if the alcohol content of chaufeur does not exceed standard, self-propelled vehicle normally travels;
(5) face and eye registration device, heart rate monitoring unit and skin surface electrical resistance monitoring device gather respectively sign information the record of chaufeur, the time 25min of collection;
(6) analyze face and the scope of eyes position scope, heart rate and skin surface resistance;
(7) in motor-driven vehicle going process, sign information the record of Real-time Collection chaufeur, compare with the scope in (6) step simultaneously, first relatively heart rate, judge that whether heart rate is normal, judge that heart rate is whether in (6) step in recording interval, if heart rate mal, start the two sudden strain of a muscle controllers of car light and Che Nei auditory tone cues controller in warning device, secondly compare skin surface resistance, judge that whether skin surface resistance value is normal, judge in the scope whether skin surface resistance value record in (6) step, if skin surface resistance value mal, start auditory tone cues controller in the car in warning device, whether the position that finally judges face and eyes is normal, if mal, in the scope not recording in (6) step, start the two sudden strain of a muscle controllers of warning device car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller and brake of motor-driven vehicle control circuit,
(8), in the time that self-propelled vehicle stops travelling, stop the collection of sign information, and sign information is put in order to original value.
When changes in heart rate departs from the more than 12 beats/min of recording interval in (6) step, i.e. changes in heart rate mal; When skin surface resistance variations departs from (6) step recording interval in the time that a second, internal resistance value rangeability exceeded 120%, i.e. skin surface resistance variations mal.
A kind of warning of automobile anti-fatigue driving, comprise: micro controller system, the input interface of micro controller system and output interface, input interface connects respectively fingerprint identification device, face and eye registration device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device, and the output interface of micro controller system connects respectively warning device, vehicle control system, car-mounted terminal, card reader and recording instrument.
Described fingerprint identification device, heart rate monitoring unit, skin surface resistance device and alcohol detecting device are placed on car bearing circle.
Described micro controller system is the micro controller system of arm framework.
Described fingerprint identification device comprises infra-ray sensing fingerprint image acquisition module, view data processing module and comparing module.
Described alcohol detecting device comprises: gas sensor and signal processor.
Described heart rate monitoring unit comprises: infrared pickoff and signal processor.
Described skin surface electrical resistance monitoring device comprises: skin surface resistance sensor and signal processor, the structure of skin surface resistance sensor is that microelectrode connects R-U conv, and R-U conv connects filter, filter access signal processor, wherein R is resistance, and U is voltage.
Described warning device comprises: the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller, the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and enabling separately of Che Nei auditory tone cues controller complete.
Described vehicle control system comprises brake of motor-driven vehicle control circuit and self-propelled vehicle main fuel reservoir shut-off circuit;
Described car-mounted terminal is GPRS/CDMA interface.
Described card reader records the finger print information of chaufeur.
Described recording instrument records the normal range of normal every sign of chaufeur, and every sign in logging machine motor-car driving process.
Embodiment tri-
An alarm method for automobile anti-fatigue driving, comprises the following steps:
(1), in the time of motor vehicle starting, fingerprint identification device gathers the finger print information of chaufeur, by fingerprint information data record;
(2) by the finger print information comparison of the finger print information of datumization and record, analyze the identity of this chaufeur, judge whether for driving, if in generation, is driven starter motor motor-car main fuel reservoir shut-off circuit, if in generation, does not drive, judge that whether this chaufeur is the time of driving continuously in 24h to exceed specified value, if the driving time of chaufeur exceedes specified value, enables self-propelled vehicle main fuel reservoir shut-off circuit;
(3) if chaufeur is not that generation drives and the driving time of chaufeur does not exceed specified value, alcohol detecting device gathers the alcohol content of chaufeur; And compare with the alcohol content 80mg/100mL in blood, judge whether alcohol content exceeds standard, if alcohol content exceeds standard, enable self-propelled vehicle main fuel reservoir shut-off circuit;
(4) if the alcohol content of chaufeur does not exceed standard, self-propelled vehicle normally travels;
(5) face and eye registration device, heart rate monitoring unit and skin surface electrical resistance monitoring device gather respectively sign information the record of chaufeur, the time 20min of collection;
(6) analyze face and the scope of eyes position scope, heart rate and skin surface resistance;
(7) in motor-driven vehicle going process, sign information the record of Real-time Collection chaufeur, compare with the scope in (6) step simultaneously, first relatively heart rate, judge that whether heart rate is normal, judge that heart rate is whether in (6) step in recording interval, if heart rate mal, start the two sudden strain of a muscle controllers of car light and Che Nei auditory tone cues controller in warning device, secondly compare skin surface resistance, judge that whether skin surface resistance value is normal, judge in the scope whether skin surface resistance value record in (6) step, if skin surface resistance value mal, start auditory tone cues controller in the car in warning device, whether the position that finally judges face and eyes is normal, if mal, in the scope not recording in (6) step, start the two sudden strain of a muscle controllers of warning device car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller and brake of motor-driven vehicle control circuit,
(8), in the time that self-propelled vehicle stops travelling, stop the collection of sign information, and sign information is put in order to original value.
When changes in heart rate departs from the more than 14 beats/min of recording interval in (6) step, i.e. changes in heart rate mal; When skin surface resistance variations departs from (6) step recording interval in the time that a second, internal resistance value rangeability exceeded 80%, i.e. skin surface resistance variations mal.
A kind of warning of automobile anti-fatigue driving, comprise: micro controller system, the input interface of micro controller system and output interface, input interface connects respectively fingerprint identification device, face and eye registration device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device, and the output interface of micro controller system connects respectively warning device, vehicle control system, car-mounted terminal, card reader and recording instrument.
Described fingerprint identification device, heart rate monitoring unit, skin surface resistance device and alcohol detecting device are placed on car safety strap.
Described micro controller system is the micro controller system of arm framework.
Described fingerprint identification device comprises infra-ray sensing fingerprint image acquisition module, view data processing module and comparing module.
Described alcohol detecting device comprises: gas sensor and signal processor.
Described heart rate monitoring unit comprises: infrared pickoff and signal processor.
Described skin surface electrical resistance monitoring device comprises: skin surface resistance sensor and signal processor, the structure of skin surface resistance sensor is that microelectrode connects R-U conv, and R-U conv connects filter, filter access signal processor, wherein R is resistance, and U is voltage.
Described warning device comprises: the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller, the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and enabling separately of Che Nei auditory tone cues controller complete.
Described vehicle control system comprises brake of motor-driven vehicle control circuit and self-propelled vehicle main fuel reservoir shut-off circuit;
Described car-mounted terminal is GPRS/CDMA interface.
Described card reader records the finger print information of chaufeur.
Described recording instrument records the normal range of normal every sign of chaufeur, and every sign in logging machine motor-car driving process.
Claims (7)
1. an alarm method for automobile anti-fatigue driving, is characterized in that comprising the following steps:
(1), in the time of motor vehicle starting, fingerprint identification device gathers the finger print information of chaufeur, by fingerprint information data record;
(2) by the finger print information comparison of the finger print information of datumization and record, analyze the identity of this chaufeur, judge whether for driving, if in generation, is driven starter motor motor-car main fuel reservoir shut-off circuit, if in generation, does not drive, judge that whether this chaufeur is the time of driving continuously in 24h to exceed specified value, if the driving time of chaufeur exceedes specified value, enables self-propelled vehicle main fuel reservoir shut-off circuit;
(3) if chaufeur is not that generation drives and the driving time of chaufeur does not exceed specified value, alcohol detecting device gathers the alcohol content of chaufeur; And with specified value comparison, judge whether alcohol content exceeds standard, if alcohol content exceeds standard, enable self-propelled vehicle main fuel reservoir shut-off circuit;
(4) if the alcohol content of chaufeur does not exceed standard, self-propelled vehicle normally travels;
(5) face and eye registration device, heart rate monitoring unit and skin surface electrical resistance monitoring device gather respectively sign information the record of chaufeur, the time 15～25min of collection;
(6) analyze face and the scope of eyes position scope, heart rate and skin surface resistance;
(7) in motor-driven vehicle going process, sign information the record of Real-time Collection chaufeur, compare with the scope in (6) step simultaneously, first relatively heart rate, judge that whether heart rate is normal, judge that heart rate is whether in (6) step in recording interval, if heart rate mal, start the two sudden strain of a muscle controllers of car light and Che Nei auditory tone cues controller in warning device, secondly compare skin surface resistance, judge that whether skin surface resistance value is normal, judge in the scope whether skin surface resistance value record in (6) step, if skin surface resistance value mal, start auditory tone cues controller in the car in warning device, whether the position that finally judges face and eyes is normal, if mal, in the scope not recording in (6) step, start the two sudden strain of a muscle controllers of warning device car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller and brake of motor-driven vehicle control circuit,
(8), in the time that self-propelled vehicle stops travelling, stop the collection of sign information, and sign information is put in order to original value.
2. the alarm method of a kind of automobile anti-fatigue driving according to claim 1, is characterized in that: when changes in heart rate departs from the more than 10 beats/min of recording interval in (6) step, i.e. changes in heart rate mal; When skin surface resistance variations departs from (6) step recording interval in the time that a second, internal resistance value rangeability exceeded 100%, i.e. skin surface resistance variations mal.
3. the warning device of an automobile anti-fatigue driving, comprise: micro controller system, the input interface of micro controller system and output interface, it is characterized in that: input interface connects respectively fingerprint identification device, face and eye registration device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device, the output interface of micro controller system connects respectively warning device, vehicle control system, car-mounted terminal, card reader and recording instrument, wherein fingerprint identification device, heart rate monitoring unit, skin surface electrical resistance monitoring device and alcohol detecting device can be placed on car key or car safety strap or car bearing circle.
4. the warning device of a kind of automobile anti-fatigue driving according to claim 3, is characterized in that: described fingerprint identification device and alcohol detecting device are placed on car key or car safety strap or car bearing circle; Heart rate monitoring unit and skin surface resistance device are placed on car safety strap or car bearing circle.
5. the warning device of a kind of automobile anti-fatigue driving according to claim 3, is characterized in that: described micro controller system is the micro controller system of arm framework.
6. the warning device of a kind of automobile anti-fatigue driving according to claim 3, it is characterized in that: described skin surface electrical resistance monitoring device comprises: skin surface resistance sensor and signal processor, the structure of skin surface resistance sensor is that microelectrode connects R-U conv, R-U conv connects filter, filter access signal processor, wherein R is resistance, and U is voltage.
7. the warning device of a kind of automobile anti-fatigue driving according to claim 3, it is characterized in that: described warning device comprises: the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and Che Nei auditory tone cues controller, the two sudden strain of a muscle controllers of car light, the outer loudspeaker prompting controller of car and enabling separately of Che Nei auditory tone cues controller complete.
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2014
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