CN101002685A - System for real-time monitoring of fatigue of driver of automobile - Google Patents
System for real-time monitoring of fatigue of driver of automobile Download PDFInfo
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- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 19
- 230000002500 effect on skin Effects 0.000 claims description 12
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- 230000036391 respiratory frequency Effects 0.000 claims description 4
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- 230000035565 breathing frequency Effects 0.000 abstract 1
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- 230000036760 body temperature Effects 0.000 description 1
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Abstract
本发明涉及汽车驾驶员疲劳实时监测系统，它包括车载计算机(6)、油门踏板深度传感器(5)、用于测量驾驶员呼吸频率和呼吸深度的呼吸传感器(7)；油门踏板深度传感器(5)设置在车体与油门踏板之间；呼吸传感器(7)设置在安全带(2)上的与人体上部躯干接触处；油门踏板深度传感器(5)的信号输出端、呼吸传感器(7)的信号输出端与车载计算机(6)的信号输入端连接。本发明系统利用各种传感器获得驾驶员的各种信息数据输出给车载计算机，计算机可根据这些数据，对驾驶员的疲劳状况进行判断，当计算机识别出驾驶员身体状况不适合驾驶时，即可通过各种方法对驾驶员进行警告，或控制车辆不能运行。
The invention relates to a real-time monitoring system for automobile driver fatigue, which comprises a vehicle-mounted computer (6), an accelerator pedal depth sensor (5), a breathing sensor (7) for measuring the driver's breathing frequency and breathing depth; the accelerator pedal depth sensor (5) ) is arranged between the car body and the accelerator pedal; the breath sensor (7) is arranged on the seat belt (2) in contact with the upper torso of the human body; the signal output end of the accelerator pedal depth sensor (5), the breath sensor (7) The signal output end is connected with the signal input end of the vehicle-mounted computer (6). The system of the present invention uses various sensors to obtain various information data of the driver and outputs them to the on-board computer. The computer can judge the driver's fatigue status according to these data. When the computer recognizes that the driver's physical condition is not suitable for driving, it can The driver is warned by various methods, or the vehicle cannot be controlled to run.
Description
Technical field
The present invention relates to automobile, be specifically related to the real-time monitoring system on the automobile, especially for the monitoring system of monitoring driver's health in real time.
Background technology
Driver tired driving is one of major reason that causes pernicious vehicle accident, and especially in the long-distance bus vehicle accident, the hazardness of fatigue driving is the most outstanding.Long-distance driver's driving time is long, work load is heavy, is easy to cause driving fatigue even vehicle accident takes place.Because vehicle-mounted passenger is more or vehicle-mounted cargo is more, in case vehicle accident takes place then cause catastrophic consequence.According to nineteen ninety American National traffic safety portion, it is 31% relevant with fatigue driving to cause the vehicle accident of heavy truck driver death to weigh.The statistical inquiry of the traffic safety portion of american car community (AAA) shows, 47% truck driver drowsiness when driving, and about 41%～59% heavy truck vehicle accident is relevant with fatigue driving.China Ministry of Communications report: because the vehicle accident that fatigue driving caused, still being shared ratio at absolute number no matter, all is the highest.Therefore, the real-time fatigue monitoring for the long-distance driver has important practical significance.
At present, technology and the method to the driver fatigue monitoring is a lot.Chinese patent publication number CN1737864A discloses a kind of " human body information monitoring steering wheel ", and human body informations such as the body temperature when this steering wheel can be driven the driver, heart rate are monitored, and can be with the signal input computer that records.The data that computer can provide according to this steering wheel, health to the driver judges, when computer identifies driver's health and is not suitable for driving, then can send alarm signal immediately, to remind its physical condition discomfort of driver, be not suitable for steering vehicle.
Above-mentioned " human body information monitoring steering wheel " is simple in structure, and cost is low, but the means that human body information is gathered are single, can't gather the various relevant informations of the human body of driver fatigue comprehensively.
Summary of the invention
Technical problem to be solved by this invention is: a kind of system for real-time monitoring of fatigue of driver of automobile is provided, and this real-time monitoring system can utilize multiple information sources that driver's degree of fatigue is monitored in real time.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
System for real-time monitoring of fatigue of driver of automobile, it comprises car-mounted computer, gas pedal depth transducer, is used to measure the respiration pickup of driver's respiratory frequency and respiratory depth;
The gas pedal depth transducer is arranged between car body and the gas pedal;
Respiration pickup be arranged on the seat belt with human body upper torso contact position;
The signal output part of gas pedal depth transducer, the signal output part of respiration pickup are connected with the signal input part of car-mounted computer.
In the such scheme, system also comprises the dermal resistance pick off, the dermal resistance pick off be arranged on the steering wheel with the human hands contact position, the signal output part of dermal resistance pick off is connected with the signal input part of car-mounted computer.
In the such scheme, system also comprises steering wheel angle sensor, and rotary angle transmitter is arranged between wheel steering axle and the car body, and the signal output part of rotary angle transmitter is connected with the signal input part of car-mounted computer.
In the such scheme, system also comprises steering wheel grip pick off, and steering wheel grip pick off is arranged on the steering wheel, and the signal output part of steering wheel grip pick off is connected with the signal input part of car-mounted computer.
In the such scheme, system also comprises auditory tone cues equipment, and the loudspeaker of auditory tone cues equipment are arranged in the driver's cabin, and auditory tone cues equipment is controlled by car-mounted computer.
The various information datas that system of the present invention utilizes various pick offs to obtain the driver are exported to car-mounted computer, computer can be according to these data, fatigue conditions to the driver is judged, when computer identifies driver's health and is not suitable for driving, can warn the driver by the whole bag of tricks, or the control vehicle can not move.
Compared with the prior art, the present invention has the following advantages:
1, changes traditional method of utilizing single information to monitor, utilized multiple information sources that driver's degree of fatigue is monitored in real time.
2, when a pick-up transducers can't be worked, the information of utilizing other sensor acquisition to obtain also can be finished the task of fatigue monitoring, has improved the reliability of driver fatigue monitoring.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention
Fig. 2 is the structured flowchart of the embodiment of the invention
Fig. 3 is the circuit diagram of data-converting block
The specific embodiment
The embodiment of the invention as shown in Figure 1, it is long-distance driver's system for real-time monitoring of fatigue.It comprises car-mounted computer 6, gas pedal depth transducer 5, be used to measure the respiration pickup 7 of driver's respiratory frequency and respiratory depth, dermal resistance pick off 4, steering wheel angle sensor 2, steering wheel grip pick off 3, auditory tone cues equipment etc.
Gas pedal depth transducer 5 is arranged between car body and the gas pedal; Respiration pickup 7 be arranged on the seat belt 2 with human body upper torso contact position; Dermal resistance pick off 4, steering wheel grip pick off 3 be arranged on outer rim on the steering wheel with the human hands contact position; Steering wheel angle sensor 2 is installed between wheel steering axle and the car body.
As shown in Figure 2, the signal output part of gas pedal depth transducer 5, steering wheel grip pick off 3, steering wheel angle sensor 2 all is connected with the signal input part of car-mounted computer by data-converting block.
Dermal resistance pick off 4, respiration pickup 7 are connected with the signal input part of car-mounted computer by USB interface.
The loudspeaker 1 of auditory tone cues equipment are arranged in the driver's cabin, and auditory tone cues equipment is by car-mounted computer 6 controls.
In the embodiment of the invention, steering wheel angle sensor 2 is selected steering wheel angle sensor G85 for use, and this pick off carries out the measurement of angle according to the grating principle.Steering wheel grip pick off 3 adopts pressure sensors, it is the NPP-301-100A of U.S. NovaSensor company.It is installed in steering wheel outer rim place, and the driver is when the direction of operating dish, and steering wheel grip pick off 3 is experienced the size of driver's grip and produced voltage signal, thereby can determine the size of driver's grip according to the voltage signal that produces.
Dermal resistance pick off 4 is installed in steering wheel outer rim place, when two fingers of driver refer to that abdomen contacts with this pick off, just can respond in real time and obtains the dermal resistance signal magnitude of driver in driving procedure.
Gas pedal depth transducer 5 is a displacement transducer, and it is German VOLFA ultraprecise level conductive plastics displacement transducer KR-V/A75.The one end is installed on the gas pedal connecting rod, and the other end is fixed on the car body of position directly over the gas pedal, thereby realizes the measurement to accelerator pedal displacement.
Skin resistance pick off 4, respiration pickup 7 are selected skin electric transducer, the respiration pickup in the Canadian BioGraph multimedia biological feedback system respectively for use.Skin resistance pick off 4 is a thermistor (temperature) sensor, the resistance variations on the record driver skin.Respiration pickup 7 is the fixed respiratory wave pick off of semiconductor pressure resistance type pectoral girdle (or bellyband), can be used for the waveform that not damaged detects the driver.
Data-converting block (as shown in Figure 3) is used for the information that steering wheel angle sensor 2, steering wheel grip pick off 3, gas pedal depth transducer 5 receive is carried out digitized processing input car-mounted computer 6.Steering wheel angle sensor 2, steering wheel grip pick off 3, gas pedal depth transducer 5 are connected with R2.
Skin resistance signal, the breath signal that skin resistance pick off 4, respiration pickup 7 collect sends to Canadian BioGraph multimedia biological feedback system, and handles the size that obtains skin resistance, respiratory capacity through this biological feedback system.This biological feedback system links to each other with computer by USB interface.
Computer obtains steering wheel grip, the gas pedal degree of depth, steering wheel angle, skin resistance, the multiple information of breathing, and multi-source information is carried out information fusion, thereby decision-making, whether identification of driver be in fatigue state.
The loudspeaker 1 of auditory tone cues equipment are installed in roof place, driver top position.When computer decision-making goes out the driver when being in fatigue state, just can trigger auditory tone cues equipment, loudspeaker 1 send caution sound.
When the driver starts the fatigue monitoring function, steering wheel angle sensor 2, steering wheel grip pick off 3, dermal resistance pick off 4, gas pedal depth transducer 5, various information are gathered in respiration pickup 7 beginnings simultaneously, and setting its frequency acquisition is identical value, and therefore various information have identical time series.
Claims (5)
1, system for real-time monitoring of fatigue of driver of automobile, it comprises car-mounted computer (6); It is characterized in that: it also comprises: gas pedal depth transducer (5), be used to measure the respiration pickup (7) of driver's respiratory frequency and respiratory depth;
Gas pedal depth transducer (5) is arranged between car body and the gas pedal;
Respiration pickup (7) be arranged on the seat belt (2) with human body upper torso contact position;
The signal output part of the signal output part of gas pedal depth transducer (5), respiration pickup (7) is connected with the signal input part of car-mounted computer (6).
2, real-time monitoring system as claimed in claim 1, it is characterized in that: it also comprises dermal resistance pick off (4), dermal resistance pick off (4) be arranged on the steering wheel with the human hands contact position, the signal output part of dermal resistance pick off (4) is connected with the signal input part of car-mounted computer (6).
3, real-time monitoring system as claimed in claim 1, it is characterized in that: it also comprises steering wheel angle sensor (2), rotary angle transmitter (2) is arranged between wheel steering axle and the car body, and the signal output part of rotary angle transmitter (2) is connected with the signal input part of car-mounted computer.
4, real-time monitoring system as claimed in claim 1, it is characterized in that: it also comprises steering wheel grip pick off (3), steering wheel grip pick off (3) is arranged on the steering wheel, and the signal output part of steering wheel grip pick off (3) is connected with the signal input part of car-mounted computer (6).
5, real-time monitoring system as claimed in claim 1 is characterized in that: it also comprises auditory tone cues equipment, and the loudspeaker of auditory tone cues equipment (1) are arranged in the driver's cabin, and auditory tone cues equipment is controlled by car-mounted computer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100513445A CN100453043C (en) | 2007-01-23 | 2007-01-23 | A real-time monitoring system for driver's fatigue |
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| CNB2007100513445A CN100453043C (en) | 2007-01-23 | 2007-01-23 | A real-time monitoring system for driver's fatigue |
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| CN101002685A true CN101002685A (en) | 2007-07-25 |
| CN100453043C CN100453043C (en) | 2009-01-21 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102046086A (en) * | 2008-07-04 | 2011-05-04 | 丰田自动车株式会社 | Drowsiness detector |
| CN102407805A (en) * | 2010-09-20 | 2012-04-11 | 天津职业技术师范大学 | Real-time Monitoring System of Automobile Driver's State |
| CN102473354A (en) * | 2009-07-09 | 2012-05-23 | 爱信精机株式会社 | State detection device, state detection method, and program |
| CN102602358A (en) * | 2011-01-25 | 2012-07-25 | 帕拉贡股份公司 | Safety belt for motor vehicles, has safety belt with hose section that extends in longitudinal direction in which electrical or electronic unit of seat belt is inserted |
| CN102988051A (en) * | 2012-12-13 | 2013-03-27 | 中国人民解放军第四军医大学 | Device and method for monitoring health of computer operator |
| CN103253136A (en) * | 2013-05-21 | 2013-08-21 | 艾德军 | Correcting instrument preventing fatigue driving |
| CN103300869A (en) * | 2013-05-29 | 2013-09-18 | 哈尔滨工业大学 | Real-time monitoring system for fatigue of automobile driver based on human respiration signal |
| CN104036619A (en) * | 2013-03-04 | 2014-09-10 | 德尔福电子(苏州)有限公司 | Fatigue detection method and detection apparatus based on turn angle data of steering wheel |
| CN104108393A (en) * | 2014-07-30 | 2014-10-22 | 上海工程技术大学 | Intelligent cushion system for automobile driver |
| CN105555186A (en) * | 2013-09-16 | 2016-05-04 | 传感特克斯有限公司 | Piezoresistive textile sensor and system for detecting the heart and/or respiratory rate |
| CN105748076A (en) * | 2016-04-18 | 2016-07-13 | 中国人民解放军海军医学研究所 | Assistant decision-making system and method for conversion of manual control to mechanical control on basis of human body respiratory signal |
| CN105894736A (en) * | 2016-06-15 | 2016-08-24 | 南京理工大学 | Steering wheel device for fatigue driving detection and safety pre-warning method thereof |
| CN105912124A (en) * | 2016-04-18 | 2016-08-31 | 中国人民解放军海军医学研究所 | Manual control to machine control decision system based on physiological signal |
| CN105997041A (en) * | 2016-04-18 | 2016-10-12 | 中国人民解放军海军医学研究所 | System and method for manual-control-to-mechanical control auxiliary decision based on human electrocardiosignal |
| CN106952448A (en) * | 2017-03-08 | 2017-07-14 | 武汉理工大学 | A vehicle-mounted device with the function of real-time identification and early warning of full-cycle driving fatigue levels |
| CN110371133A (en) * | 2019-06-28 | 2019-10-25 | 神龙汽车有限公司 | Fatigue of automobile driver detection system and method |
| CN114255568A (en) * | 2020-09-22 | 2022-03-29 | 深圳市鑫鸿源业科技有限公司 | Driver fatigue detection system |
| CN115565354A (en) * | 2022-11-18 | 2023-01-03 | 深圳智者行天下科技有限公司 | Commercial vehicle driver safety monitoring system based on artificial intelligence |
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| US4706072A (en) * | 1983-11-30 | 1987-11-10 | Aisin Seiki Kabushiki Kaisha | Human condition monitoring and security controlling apparatus on a road-vehicle |
| CN2189557Y (en) * | 1994-05-20 | 1995-02-15 | 吴建平 | Nodding-proof device for driver of automobile |
| US5691693A (en) * | 1995-09-28 | 1997-11-25 | Advanced Safety Concepts, Inc. | Impaired transportation vehicle operator system |
| US6661345B1 (en) * | 1999-10-22 | 2003-12-09 | The Johns Hopkins University | Alertness monitoring system |
| DE10259522A1 (en) * | 2002-12-19 | 2004-07-01 | Robert Bosch Gmbh | Radar-based sensing of the position and / or movement of the body or in the body of living beings |
| CN100495460C (en) * | 2005-09-06 | 2009-06-03 | 武汉理工大学 | Human body information monitoring steering wheel |
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- 2007-01-23 CN CNB2007100513445A patent/CN100453043C/en not_active Expired - Fee Related
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| CN102046086B (en) * | 2008-07-04 | 2013-08-28 | 丰田自动车株式会社 | Drowsiness detector |
| CN102046086A (en) * | 2008-07-04 | 2011-05-04 | 丰田自动车株式会社 | Drowsiness detector |
| CN102473354A (en) * | 2009-07-09 | 2012-05-23 | 爱信精机株式会社 | State detection device, state detection method, and program |
| US8786448B2 (en) | 2009-07-09 | 2014-07-22 | Aisin Seiki Kabushiki Kaisha | State detecting device, state detecting method, and non-transitory computer-readable medium |
| CN102473354B (en) * | 2009-07-09 | 2014-07-16 | 爱信精机株式会社 | State detecting device, state detecting method, and program |
| CN102407805A (en) * | 2010-09-20 | 2012-04-11 | 天津职业技术师范大学 | Real-time Monitoring System of Automobile Driver's State |
| CN102602358B (en) * | 2011-01-25 | 2017-04-12 | 帕拉贡股份公司 | Safety belt for motor vehicles, has safety belt with hose section that extends in longitudinal direction in which electrical or electronic unit of seat belt is inserted |
| CN102602358A (en) * | 2011-01-25 | 2012-07-25 | 帕拉贡股份公司 | Safety belt for motor vehicles, has safety belt with hose section that extends in longitudinal direction in which electrical or electronic unit of seat belt is inserted |
| CN102988051A (en) * | 2012-12-13 | 2013-03-27 | 中国人民解放军第四军医大学 | Device and method for monitoring health of computer operator |
| CN104036619A (en) * | 2013-03-04 | 2014-09-10 | 德尔福电子(苏州)有限公司 | Fatigue detection method and detection apparatus based on turn angle data of steering wheel |
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| CN103253136A (en) * | 2013-05-21 | 2013-08-21 | 艾德军 | Correcting instrument preventing fatigue driving |
| CN103300869A (en) * | 2013-05-29 | 2013-09-18 | 哈尔滨工业大学 | Real-time monitoring system for fatigue of automobile driver based on human respiration signal |
| CN105555186A (en) * | 2013-09-16 | 2016-05-04 | 传感特克斯有限公司 | Piezoresistive textile sensor and system for detecting the heart and/or respiratory rate |
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| CN105748076A (en) * | 2016-04-18 | 2016-07-13 | 中国人民解放军海军医学研究所 | Assistant decision-making system and method for conversion of manual control to mechanical control on basis of human body respiratory signal |
| CN105912124A (en) * | 2016-04-18 | 2016-08-31 | 中国人民解放军海军医学研究所 | Manual control to machine control decision system based on physiological signal |
| CN105997041A (en) * | 2016-04-18 | 2016-10-12 | 中国人民解放军海军医学研究所 | System and method for manual-control-to-mechanical control auxiliary decision based on human electrocardiosignal |
| CN105894736A (en) * | 2016-06-15 | 2016-08-24 | 南京理工大学 | Steering wheel device for fatigue driving detection and safety pre-warning method thereof |
| CN106952448A (en) * | 2017-03-08 | 2017-07-14 | 武汉理工大学 | A vehicle-mounted device with the function of real-time identification and early warning of full-cycle driving fatigue levels |
| CN106952448B (en) * | 2017-03-08 | 2019-06-28 | 武汉理工大学 | It is a kind of to have the car-mounted device for driving complete period level of fatigue real-time identification warning function |
| CN110371133A (en) * | 2019-06-28 | 2019-10-25 | 神龙汽车有限公司 | Fatigue of automobile driver detection system and method |
| CN114255568A (en) * | 2020-09-22 | 2022-03-29 | 深圳市鑫鸿源业科技有限公司 | Driver fatigue detection system |
| CN115565354A (en) * | 2022-11-18 | 2023-01-03 | 深圳智者行天下科技有限公司 | Commercial vehicle driver safety monitoring system based on artificial intelligence |
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