CN205433685U - Tired detecting system of driver based on surface electromyography technique - Google Patents
Tired detecting system of driver based on surface electromyography technique Download PDFInfo
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- CN205433685U CN205433685U CN201521125712.2U CN201521125712U CN205433685U CN 205433685 U CN205433685 U CN 205433685U CN 201521125712 U CN201521125712 U CN 201521125712U CN 205433685 U CN205433685 U CN 205433685U
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000002567 electromyography Methods 0.000 title abstract 5
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Abstract
The utility model discloses a tired detecting system of driver based on surface electromyography technique, including tired detection terminal equipment and remote monitoring center two parts, wherein, tired detection terminal device design is wearable headring, including start -up / X button, surface electromyography detection electrode, data processing and controller, vibrating motor and wireless transmitting device on the wearable headring. The utility model discloses utilize the measuring of the principle of surface electromyography detection technique to the measuring realization fatigue state of eye within range surface electromyography signal. Through detecting early warning and network backstage early warning linkage in this locality, can reinforced battalion waybill position to driver drive state's real -time supervision, solved that present mainstream detection technique exists if receive that driver individual differences and external environment condition influence greatly, hang down with tired characteristic dependence, the high scheduling problem of the detection technique degree of difficulty, provide the detecting system that the principle is simple, realization difficulty is relatively low, dependence on parameter is big, the accuracy is high for the measuring of driver's fatigue.
Description
Technical field
This utility model relates to safe driving and utilizes, particularly to a kind of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology.
Background technology
In recent years, along with increasing sharply of automobile pollution, China's Road Safety Status is abnormal severe, and vehicle accident has become the significant problem affecting socio-economic development.Multiple studies have shown that both at home and abroad, fatigue driving, and thus caused with the dangerous driving behaviors such as car is the nearest, deviation be the major reason causing vehicle accident.Once showing for the investigation that 5,400 more than one piece vehicle accidents within 3 years occur according to what United States highways Transportation Security Administration (NHTSA) was carried out recently, fatigue driving is most frequent " key exercise before accident ", accounts for the 37% of vehicle accident.Research shows, by driver fatigue state is detected in real time, and carve when necessary the precarious position to driver carry out report to the police intervene, the generation of the most pernicious vehicle accident of vehicle accident can be substantially reduced.Particularly with being engaged in the operation operation such as long-distance passenger transportation, shipping, the driver that needs are driven for a long time continuously, being difficult to maintain high alertness in driving, the monitoring in real time of fatigue driving and intervention just seem more important always.
Current fatigue detection method mainly has three kinds, the first is driver's face fatigue detecting based on machine vision, i.e. by photographic head and fatigue detecting Algorithm Analysis driver eye and facial characteristics, judge that it is the most tired, although this method uses wide, but relatively big by driver's individual difference and external environment influence, detection algorithm technical threshold is high, and the accuracy of detection of current existing procucts mostly cannot meet functional need；The second is detection based on vehicles behavior characteristics, such as the operating situation of steering wheel, speed, lane shift situation etc., the data that this detection method is gathered are little with fatigue driving dependency, and cannot formulate unified product standard for different automobile types, therefore promote difficulty bigger；The third is detection method based on physiological driver's parameter, main flow is to brain wave (Electroencephalogram at present, EEG) detection, brain wave is to judge tired relatively reliable index at present, but it is also a highstrung index, requiring higher to measuring accuracy, functional realiey is more difficult, there is no considerable product at present and occurs.
Under this technical background, the utility model proposes a kind of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology, fatigue state (such as frequency of wink, eye-closing period, eyes closed time proportion etc. in the unit interval) can be reflected due to eye parameter, this equipment mainly utilizes the surface electromyogram signal in the range of detecting electrode detection eyelid, the muscular states reflected according to this signal judges eye closure state, thus realizes the detection of driver fatigue state.The method principle is simple and with the eye parameter the highest with tired degree of association as foundation, solves many defects that existing mainstream technology exists to a certain extent, and tool is of great significance.
Surface electromyogram signal: refer to that the bio electricity change that neuromuscular system produces when completing various randomness and non-random activity guides, amplifies, records and show, through surface electrode, the one-dimensional voltage time sequence signal obtained.Surface electrode can be placed directly within skin surface, easy to use.
Utility model content
This utility model purpose is: provide a kind of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology, system is mainly provided with the surface electromyogram signal in the range of wearable headring detection driver's eyelid of detecting electrode by one, judge eye open and-shut mode according to this electromyographic signal figure, thus realize the detection of fatigue state.Linked by this locality detection early warning and net background early warning, the operating organization real-time monitoring to driver state can be strengthened.Its utility model purpose is mainly:
(1) this utility model solve that existing main flow detection technique exists as by driver's individual difference and external environment influence are big and fatigue characteristic dependency is low, detection technique difficulty problem, provide for driver fatigue detection that a kind of principle is simple, realize the detection method that difficulty is relatively low, dependence on parameter is big, accuracy is high；
(2) the detection equipment of this system uses the design of wearable headring, solve that existing mobile unit exists take interior space, affect car in attractive in appearance, affected greatly by vehicle, promoted the problems such as difficulty is bigger；
(3) this systematic difference can provide operation safety to driver, reduce the vehicle accident caused because of fatigue driving, the linkage realized with remote monitoring center by cordless communication network can build omnibearing monitoring system, ensure the safe operation order of passenger-cargo operation market further, promote unit of operation's intelligent management level.
The technical solution of the utility model is:
A kind of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology, including fatigue detecting terminal unit and remote monitoring center two parts, wherein, fatigue detecting terminal unit is designed as wearable headring, include on wearable headring that on/off button, surface myoelectric detecting electrode, data process and controller, vibrating motor and wireless launcher, wherein
On/off button, is placed in the outside side of headring, is connected with the supplying cell of headring, is used for being turned on and off system；
Surface myoelectric detecting electrode, is placed in circumference of eyes position inside headring, for gathering the electrical activity signal produced when ocular nerve musculature carries out opening and closing campaign, and is sent to data process and controller；
Data process and controller, are placed in inside headring, are on the one hand analyzed the electrical activity signal of surface myoelectric detecting electrode collection, it is judged that eye open and-shut mode, judge that driver is the most tired according to eyes closed frequency and duration；On the other hand, when system judges driver tired driving, send vibration signal to vibrating motor, and by wireless launcher, this fatigue signal is transmitted to remote monitoring center；
Vibrating motor, is placed in inside headring, produces vibration receiving after data process the vibration signal sent with controller, and the driver of prompting fatigue takes a good rest；
Wireless launcher, is placed in inside headring, is receiving after data process the transmission signal sent with controller, is sending fatigue signal to remote monitoring center in real time；
Remote monitoring center, including service controller and display platform, receives the giving fatigue pre-warning information that the wireless launcher of described fatigue detecting terminal unit pushes, carries out processing preservation, the fatigue driving information of driver is carried out report form statistics management and control.
Preferably, described wireless launcher uses GPRS transmission antenna.
Preferably, the quantity of described surface myoelectric detecting electrode is two, is respectively placed in two circumference of eyes positions inside headring.
nullThe method step that Study in Driver Fatigue State Surveillance System based on surface myoelectric technology of the present utility model realizes fatigue detecting is: in the case of the installation of fatigue detecting terminal unit battery is intact，After pressing on/off button，Closing of circuit，After system starts starts，The surface myoelectric detecting electrode being placed in circumference of eyes starts to gather the electrical activity signal of eye muscle motion，When eyes carry out opening and closing campaign，The electrical activity signal of eye muscle can produce change，Guide through surface electrode、Amplify、Record and show，Data processor draws the data such as Guan Bi frequency and the duration of eyes according to electrode obtained sequence signal analysis，When these data reach the fatigue threshold of setting，System judges that this driver is in fatigue driving state，System data processes and sends vibration signal with controller to vibrating motor，Vibrating motor produces vibration and driver is carried out early warning，Simultaneously，Controller sends transmission information signal to wireless transmitter module，Wireless transmitter module sends the most tired signal to remote monitoring center；Remote monitoring center receives the giving fatigue pre-warning information that the wireless launcher of described fatigue detecting terminal unit pushes, and carries out processing preservation, the fatigue driving information of driver is carried out report form statistics management and control.
The utility model proposes a kind of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology, system utilizes the principle of surface myoelectric detection technique that the detection of eye boundary inner surface electromyographic signal realizes the detection of fatigue state.Linked by this locality detection early warning and net background early warning, the operating organization real-time monitoring to driver state can be strengthened.It has the advantages that:
(1) what this utility model proposed utilizes the method that surface myoelectric detection technique realizes fatigue detecting, and principle is simple, it is relatively low to realize difficulty, dependence on parameter big, can realize fatigue state high accuracy, high robust, the differentiation of high reliability；
(2) the detection equipment of this system uses the design of wearable headring, is not affected by vehicle, does not account for interior space, is beneficial to popularize；
(3) this systematic difference can provide operation safety to driver, reduce the vehicle accident caused because of fatigue driving, the linkage realized with remote monitoring center by cordless communication network can build omnibearing monitoring system, ensure the safe operation order of passenger-cargo operation market further, promote unit of operation's intelligent management level.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Fig. 1 is the module principle figure of Study in Driver Fatigue State Surveillance System based on surface myoelectric technology described in the utility model；
Fig. 2 is the hardware architecture diagram of fatigue detecting terminal unit described in the utility model；
Fig. 3 is the workflow diagram that this utility model Study in Driver Fatigue State Surveillance System based on surface myoelectric technology realizes fatigue detecting.
Detailed description of the invention
As it is shown in figure 1, a kind of based on surface myoelectric technology the Study in Driver Fatigue State Surveillance System disclosed in this utility model, including fatigue detecting terminal unit and remote monitoring center two parts.Wherein, as in figure 2 it is shown, fatigue detecting terminal unit is designed as wearable headring 1, wearable headring includes on/off button 2, surface myoelectric detecting electrode 3, data process and controller 4, vibrating motor 5 and wireless launcher 6.
On/off button 2, is placed in the outside side of headring, is connected with the supplying cell of headring, is used for being turned on and off system；
Surface myoelectric detecting electrode 3, quantity is two, is respectively placed in two circumference of eyes positions inside headring, for gathering the electrical activity signal produced when ocular nerve musculature carries out opening and closing campaign, and is sent to data process and controller；
Data process and controller 4, are placed in inside headring, are on the one hand analyzed the electrical activity signal of surface myoelectric detecting electrode collection, it is judged that eye open and-shut mode, judge that driver is the most tired according to eyes closed frequency and duration；On the other hand, when system judges driver tired driving, send vibration signal to vibrating motor, and by wireless launcher, this fatigue signal is transmitted to remote monitoring center；
Vibrating motor 5, is placed in inside headring, produces vibration receiving after data process the vibration signal sent with controller, and the driver of prompting fatigue takes a good rest；
Wireless launcher 6, is placed in inside headring, uses GPRS transmission antenna, is receiving after data process the transmission signal sent with controller, is sending fatigue signal to remote monitoring center in real time；
Remote monitoring center, including service controller and display platform, receives the giving fatigue pre-warning information that the wireless launcher of described fatigue detecting terminal unit pushes, carries out processing preservation, the fatigue driving information of driver is carried out report form statistics management and control.
As it is shown on figure 3, the method step that Study in Driver Fatigue State Surveillance System based on surface myoelectric technology of the present utility model realizes fatigue detecting is:
(1) fatigue detecting terminal unit battery install intact after press start button and can normally work, described checking with EMG method electrode gathers the electrical activity signal of eye muscle motion, then sends the signal to described data and processes and controller；
(2) described data process and carry out signal value calculating with controller by passing to the dsp processor of inside after signal input acquisition driver's eye electrical activity signal, then result of calculation it is sent to processor be analyzed processing, when this signal value reaches the fatigue threshold that system is arranged, system judges that now driver is as fatigue driving；
(3) when system judges to occur fatigue driving, processing and send vibration instruction with controller to described vibrating motor, vibrating motor produces vibration after receiving vibration instruction, and driver is carried out early warning, and driver should suitably be stopped after receiving this prompting rest.Meanwhile, data process and send information transmission instruction with controller to described wireless launcher, and real-time tired signal is sent to remote monitoring center after receiving this instruction by wireless base station apparatus by GPRS antenna；
(4) after remote monitoring center receives tired signal, carrying out dissection process and be saved in data base, in display platform, audio alert is reminded and sent to popup text simultaneously, and monitoring personnel can carry out management and control by other telecommunication device to driver after finding.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All modifications done according to the spirit of this utility model main technical schemes, all should contain within protection domain of the present utility model.
Claims (3)
1. a Study in Driver Fatigue State Surveillance System based on surface myoelectric technology, it is characterized in that: include fatigue detecting terminal unit and remote monitoring center two parts, wherein, fatigue detecting terminal unit is designed as wearable headring, include on wearable headring that on/off button, surface myoelectric detecting electrode, data process and controller, vibrating motor and wireless launcher, wherein
On/off button, is placed in the outside side of headring, is connected with the supplying cell of headring, is used for being turned on and off system；
Surface myoelectric detecting electrode, is placed in circumference of eyes position inside headring, for gathering the electrical activity signal produced when ocular nerve musculature carries out opening and closing campaign, and is sent to data process and controller；
Data process and controller, are placed in inside headring, are on the one hand analyzed the electrical activity signal of surface myoelectric detecting electrode collection, it is judged that eye open and-shut mode, judge that driver is the most tired according to eyes closed frequency and duration；On the other hand, when system judges driver tired driving, send vibration signal to vibrating motor, and by wireless launcher, this fatigue signal is transmitted to remote monitoring center；
Vibrating motor, is placed in inside headring, produces vibration receiving after data process the vibration signal sent with controller, and the driver of prompting fatigue takes a good rest；
Wireless launcher, is placed in inside headring, is receiving after data process the transmission signal sent with controller, is sending fatigue signal to remote monitoring center in real time；
Remote monitoring center, including service controller and display platform, receives the giving fatigue pre-warning information that the wireless launcher of described fatigue detecting terminal unit pushes, carries out processing preservation, the fatigue driving information of driver is carried out report form statistics management and control.
Study in Driver Fatigue State Surveillance System based on surface myoelectric technology the most according to claim 1, it is characterised in that: described wireless launcher uses GPRS transmission antenna.
Study in Driver Fatigue State Surveillance System based on surface myoelectric technology the most according to claim 1, it is characterised in that: the quantity of described surface myoelectric detecting electrode is two, is respectively placed in two circumference of eyes positions inside headring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521125712.2U CN205433685U (en) | 2015-12-31 | 2015-12-31 | Tired detecting system of driver based on surface electromyography technique |
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| CN201521125712.2U CN205433685U (en) | 2015-12-31 | 2015-12-31 | Tired detecting system of driver based on surface electromyography technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662407A (en) * | 2015-12-31 | 2016-06-15 | 清华大学苏州汽车研究院（吴江） | System for detecting driver fatigue based on surface myoelectricity technology |
| CN109550146A (en) * | 2018-11-16 | 2019-04-02 | 上海交通大学 | A kind of fatigue mitigation device based on electro photoluminescence Yu muscle infomation detection |
-
2015
- 2015-12-31 CN CN201521125712.2U patent/CN205433685U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662407A (en) * | 2015-12-31 | 2016-06-15 | 清华大学苏州汽车研究院（吴江） | System for detecting driver fatigue based on surface myoelectricity technology |
| CN109550146A (en) * | 2018-11-16 | 2019-04-02 | 上海交通大学 | A kind of fatigue mitigation device based on electro photoluminescence Yu muscle infomation detection |
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