CN102542728A - Method and system for detecting fatigue driving - Google Patents
Method and system for detecting fatigue driving Download PDFInfo
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- CN102542728A CN102542728A CN2011104512611A CN201110451261A CN102542728A CN 102542728 A CN102542728 A CN 102542728A CN 2011104512611 A CN2011104512611 A CN 2011104512611A CN 201110451261 A CN201110451261 A CN 201110451261A CN 102542728 A CN102542728 A CN 102542728A
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Abstract
The invention discloses a method and a system for detecting fatigue driving. The method comprises the steps of: measuring road condition through an accelerometer; obtaining recorded driving time, and calculating the fatigue degree of a driver by combining with the measured road condition; and generating prompting information according to the fatigue degree. According to method and the system for detecting the fatigue driving, disclosed by the invention, different fatigue curves under various conditions can be accurately calculated through a scientific method, and the method and the system have important significances in reducing accident occurring rate, ensuring personal safety of the driver, and the like, and are convenient and practical.
Description
Technical field
The present invention relates to fatigue-driving detection technology, specially refer to the method and system that a kind of fatigue driving detects.
Background technology
Current a lot of fatigue driving detection system all is to be difficult in real life scenarios, use easily at the additional on one's body a lot of pick-up units of driver.Also with good grounds in addition eye pupil or facial characteristics are discerned the driver and whether are in fatigue state, and this technology is because individual human differs greatly, and the result who calculates also has than big-difference; Complex algorithm needs powerful processor to support in addition; And be installed to the facial dead ahead of driver, can influence driver's sight line, cause unsafe factor.The fatigue driving detection system that proposes a kind of convenience, safety now becomes problem demanding prompt solution.
Summary of the invention
Fundamental purpose of the present invention is the method that provides a kind of fatigue driving to detect, and has promoted convenience and security that fatigue driving detects.
The present invention proposes the method that a kind of fatigue driving detects, and comprises step:
Measure the road surface situation through accelerometer;
Obtain the driving time of record, calculate driver's fatigue strength in conjunction with the road surface situation of measuring;
Produce information according to said fatigue strength.
Preferably, before the step of said running time of obtaining record, also comprise:
When driving beginning, record driver's the driving time.
Preferably, said step according to said fatigue strength generation information specifically comprises:
The fatigue strength grade is set;
Produce corresponding prompt information according to the fatigue strength grade.
Preferably, said information comprises pilot lamp, sound and/or vibration.
The present invention also proposes the system that a kind of fatigue driving detects, and comprising:
Accelerometer cell is used for measuring the road surface situation through accelerometer;
The fatigue strength computing unit, calculates driver's fatigue strength in conjunction with the road surface situation of measuring at the driving time that is used to obtain record;
Tip element is used for producing information according to said fatigue strength.
Preferably, said system also comprises:
Record cell, when being used for driving beginning, record driver's the driving time.
Preferably, said Tip element specifically comprises:
Grade is provided with module, is used to be provided with the fatigue strength grade;
The information module is used for producing corresponding prompt information according to the fatigue strength grade.
Preferably, said information comprises pilot lamp, sound and/or vibration.
The present invention can accurately calculate the curves of fatigue different under the various situation through scientific approach, for reducing accident rate, guarantee driver personal safety etc. important meaning is arranged all, and convenient and practical.
Description of drawings
Fig. 1 is a steps flow chart synoptic diagram among method one embodiment that detects of fatigue driving of the present invention;
Fig. 2 is another steps flow chart synoptic diagram among method one embodiment that detects of fatigue driving of the present invention;
Fig. 3 is the steps flow chart synoptic diagram of pointing out among another embodiment of method of fatigue driving detection of the present invention;
Fig. 4 is a structural representation among one embodiment of system that detects of fatigue driving of the present invention;
Fig. 5 is another structural representation among one embodiment of system that detects of fatigue driving of the present invention;
Fig. 6 is the structural representation of Tip element among another embodiment of system of detecting of fatigue driving of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, an embodiment of the method for a kind of fatigue driving detection of the present invention is proposed.This method can comprise:
Step S10, measure the road surface situation through accelerometer;
Step S11, the driving time of obtaining record, calculate driver's fatigue strength in conjunction with the road surface situation of measuring;
Step S12, produce information according to said fatigue strength.
Producing fatigue in the driving is a progressive process, and along with the prolongation of time, human body is tired to fatigue, by the tired and overtired development to moderate of slight fatigue from not having.Can be the driving fatigue curve with fatigue strength along with forming curve map with the situation of driving the time development and change.On one day different time points, the degree of fatigue of human body is also different on the other hand, and owing to road conditions in the driving procedure are sent out variation, makes the degree of fatigue fluctuations of human body.
Research shows that road conditions are good more in driving procedure, and human body is easy to generate fatigue more, and degree of fatigue all strengthens with the prolongation of the time of driving gradually.In conjunction with the tired situation about producing of above-mentioned several kinds of drivers; Adopt accelerometer to measure the road surface situation in the present embodiment; Come scientifically to calculate that the driver is current whether belongs to the fatigue phase in conjunction with factors such as driving times, make corresponding prompt information thus, remind companion in driver or the car.
With reference to Fig. 2, also comprise before the above-mentioned steps S11:
When step S100, driving beginning, record driver's the driving time.
Driver's one actuating vehicle can be driven the time by opening entry, and measures the road surface situation through accelerometer simultaneously, mainly is the situation of jolting on road surface.Then, can combine this driving time, the intrinsic curve of fatigue and road surface situation, calculate the current tired situation (fatigue strength) of driver, judge that the driver is current and whether belong to fatigue driving; If belong to fatigue driving, can produce information, remind companion in driver or the car.Such as according to curve of fatigue rule, the driving time, long more driver was more tired, if but the road surface situation relatively jolt, driver's notice is more concentrated and reduced fatigue strength; The road surface situation is good more, possibly make more easy fatigue of driver, revises the curve of fatigue with this, reaches the purpose of accurate detection fatigue strength.Above-mentioned steps S10 and step S100 execution sequence are in no particular order.
The method that above-mentioned fatigue driving detects is accurately calculated the curves of fatigue different under the various situation through scientific approach, for reducing accident rate, guarantee driver personal safety etc. important meaning is arranged all, and convenient and practical.
With reference to Fig. 3, in another embodiment of the present invention, above-mentioned steps S12 can specifically comprise:
Step S121, the fatigue strength grade is set;
Step S122, produce corresponding prompt information according to the fatigue strength grade.
Through different fatigue strength grades is set, thereby produce different informations as the case may be, give the suitable prompting of driver.Above-mentioned information comprises pilot lamp, sound and/or vibration.Such as, when the fatigue strength grade is low, can remind through pilot lamp; When fatigue strength is higher relatively, can pass through sound or vibrating alert; And reach possibly have a strong impact on driving safety the time when fatigue strength, can select wherein both or the three of pilot lamp, sound and vibration to remind driver and companion simultaneously.
With reference to Fig. 4, an embodiment of the system 20 of a kind of fatigue driving detection of the present invention is proposed.This system 20 can comprise: accelerometer cell 21, fatigue strength computing unit 22 and Tip element 23; This accelerometer cell 21 is used for measuring the road surface situation through accelerometer; This fatigue strength computing unit 22, calculates driver's fatigue strength in conjunction with the road surface situation of measuring at the driving time that is used to obtain record; This Tip element 23 is used for producing information according to said fatigue strength.
Producing fatigue in the driving is a progressive process, and along with the prolongation of time, human body is tired to fatigue, by the tired and overtired development to moderate of slight fatigue from not having.Can be the driving fatigue curve with fatigue strength along with forming curve map with the situation of driving the time development and change.On one day different time points, the degree of fatigue of human body is also different on the other hand, and owing to road conditions in the driving procedure are sent out variation, makes the degree of fatigue fluctuations of human body.
Research shows that road conditions are good more in driving procedure, and human body is easy to generate fatigue more, and degree of fatigue all strengthens with the prolongation of the time of driving gradually.In conjunction with the tired situation about producing of above-mentioned several kinds of drivers; Adopt accelerometer cell 21 to measure the road surface situation in the present embodiment; Through fatigue strength computing unit 22 the road surface situation of measuring is combined factors such as driving time; Calculate scientifically whether the driver is current belongs to the fatigue phase, utilize Tip element 23 to make corresponding prompt information thus, remind companion in driver or the car.
With reference to Fig. 5, said system 20 also comprises: record cell 24, and when being used for driving beginning, record driver's the driving time.
Driver's one actuating vehicle can be driven the time through record cell 24 opening entries, and simultaneously through accelerometer cell 21 measurement road surface situation, mainly is the situation of jolting on road surface.Then, fatigue strength computing unit capable of using 22 combines these driving times, the intrinsic curve of fatigue and road surface situation etc., calculates the current tired situation (fatigue strength) of driver, judges that the driver is current whether to belong to fatigue driving; If belong to fatigue driving, can use Tip element 23 to produce information, remind companion in driver or the car.Such as according to curve of fatigue rule, the driving time, long more driver was more tired, if but the road surface situation relatively jolt, driver's notice is more concentrated and reduced fatigue strength; The road surface situation is good more, possibly make more easy fatigue of driver, revises the curve of fatigue with this, reaches the purpose of accurate detection fatigue strength.
The curves of fatigue different under the various situation accurately calculates through scientific approach in the system 20 that above-mentioned fatigue driving detects, and for reducing accident rate, guarantee driver personal safety etc. important meaning is arranged all, and convenient and practical.
With reference to Fig. 6, in another embodiment of the present invention, above-mentioned Tip element 23 specifically comprises: grade is provided with module 231 and information module 232; This grade is provided with module 231, is used to be provided with the fatigue strength grade; This information module 232 is used for producing corresponding prompt information according to the fatigue strength grade.
Grade is provided with module 231 through different fatigue strength grades is set, thereby makes information module 232 produce different informations as the case may be, gives the suitable prompting of driver.Above-mentioned information comprises pilot lamp, sound and/or vibration.Such as, when the fatigue strength grade is low, can remind through pilot lamp; When fatigue strength is higher relatively, can pass through sound or vibrating alert; And reach possibly have a strong impact on driving safety the time when fatigue strength, can select wherein both or the three of pilot lamp, sound and vibration to remind driver and companion simultaneously.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. the method that fatigue driving detects is characterized in that, comprises step:
Measure the road surface situation through accelerometer;
Obtain the driving time of record, calculate driver's fatigue strength in conjunction with the road surface situation of measuring;
Produce information according to said fatigue strength.
2. the method that fatigue driving according to claim 1 detects is characterized in that, before the step of said running time of obtaining record, also comprises:
When driving beginning, record driver's the driving time.
3. the method that fatigue driving according to claim 1 detects is characterized in that, said step according to said fatigue strength generation information specifically comprises:
The fatigue strength grade is set;
Produce corresponding prompt information according to the fatigue strength grade.
4. the method that detects according to each described fatigue driving in the claim 1 to 3 is characterized in that said information comprises pilot lamp, sound and/or vibration.
5. the system that fatigue driving detects is characterized in that, comprising:
Accelerometer cell is used for measuring the road surface situation through accelerometer;
The fatigue strength computing unit, calculates driver's fatigue strength in conjunction with the road surface situation of measuring at the driving time that is used to obtain record;
Tip element is used for producing information according to said fatigue strength.
6. the system that fatigue driving according to claim 5 detects is characterized in that said system also comprises:
Record cell, when being used for driving beginning, record driver's the driving time.
7. the system that fatigue driving according to claim 5 detects is characterized in that said Tip element specifically comprises:
Grade is provided with module, is used to be provided with the fatigue strength grade;
The information module is used for producing corresponding prompt information according to the fatigue strength grade.
8. the system that detects according to each described fatigue driving in the claim 5 to 7 is characterized in that said information comprises pilot lamp, sound and/or vibration.
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| CN2011104512611A CN102542728A (en) | 2011-12-29 | 2011-12-29 | Method and system for detecting fatigue driving |
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| CN2011104512611A CN102542728A (en) | 2011-12-29 | 2011-12-29 | Method and system for detecting fatigue driving |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103458259A (en) * | 2013-08-27 | 2013-12-18 | Tcl集团股份有限公司 | Method, device and system for detecting eye fatigue caused by 3D video watching |
| CN104050779A (en) * | 2014-06-10 | 2014-09-17 | 奇瑞汽车股份有限公司 | Anti-fatigue happy driving device, system and method |
| CN106228755A (en) * | 2016-08-12 | 2016-12-14 | 深圳市元征科技股份有限公司 | Fatigue driving method for early warning and cloud server |
| CN107844777A (en) * | 2017-11-16 | 2018-03-27 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating information |
| CN108909718A (en) * | 2018-07-11 | 2018-11-30 | 中国医学科学院生物医学工程研究所 | Fatigue driving method for early warning, device, equipment and storage medium |
| CN109493568A (en) * | 2018-12-29 | 2019-03-19 | 重庆集诚汽车电子有限责任公司 | A kind of real-time driving fatigue monitoring system being integrated in car body controller and monitoring method |
| CN113401122A (en) * | 2020-03-17 | 2021-09-17 | 北京新能源汽车股份有限公司 | Cruise control method and device and electric automobile |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458259A (en) * | 2013-08-27 | 2013-12-18 | Tcl集团股份有限公司 | Method, device and system for detecting eye fatigue caused by 3D video watching |
| CN104050779A (en) * | 2014-06-10 | 2014-09-17 | 奇瑞汽车股份有限公司 | Anti-fatigue happy driving device, system and method |
| CN106228755A (en) * | 2016-08-12 | 2016-12-14 | 深圳市元征科技股份有限公司 | Fatigue driving method for early warning and cloud server |
| CN107844777A (en) * | 2017-11-16 | 2018-03-27 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating information |
| CN107844777B (en) * | 2017-11-16 | 2021-06-11 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating information |
| CN108909718A (en) * | 2018-07-11 | 2018-11-30 | 中国医学科学院生物医学工程研究所 | Fatigue driving method for early warning, device, equipment and storage medium |
| CN109493568A (en) * | 2018-12-29 | 2019-03-19 | 重庆集诚汽车电子有限责任公司 | A kind of real-time driving fatigue monitoring system being integrated in car body controller and monitoring method |
| CN113401122A (en) * | 2020-03-17 | 2021-09-17 | 北京新能源汽车股份有限公司 | Cruise control method and device and electric automobile |
| CN113401122B (en) * | 2020-03-17 | 2022-05-24 | 北京新能源汽车股份有限公司 | Cruise control method and device and electric automobile |
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Owner name: GUANGXI LEADER DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGXI WEITONG AUTOMOBILE INFORMATION TECHNOLOGY CO., LTD. Effective date: 20121017 |
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Effective date of registration: 20121017 Address after: 530012, No. 10, No. two, No. 3, headquarters Road, Guangxi, China. The factory building No. of China ASEAN enterprise headquarters Applicant after: Guangxi Linghua Digital Technology Co., Ltd. Address before: 530012 the Guangxi Zhuang Autonomous Region, China headquarters Road, No. 3, China - ASEAN science and technology enterprise incubator base No. two, factory floor, No. 10 Applicant before: Guangxi Weitong Automobile Information Technology Co., Ltd. |
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Application publication date: 20120704 |