CN108694815A - A kind of fatigue driving auxiliary device and method for detecting fatigue driving - Google Patents
A kind of fatigue driving auxiliary device and method for detecting fatigue driving Download PDFInfo
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- CN108694815A CN108694815A CN201810830011.0A CN201810830011A CN108694815A CN 108694815 A CN108694815 A CN 108694815A CN 201810830011 A CN201810830011 A CN 201810830011A CN 108694815 A CN108694815 A CN 108694815A
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- driver
- fatigue driving
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- ccd camera
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of fatigue driving auxiliary devices,Including information acquisition device,Infrared CCD camera,Capacitance sensor,Common CCD camera,Transport condition detection module,Signal amplifier,A/D converter,Dsp processor,Attention device,Brake module,Data storage,The infrared CCD camera is installed between automotive windshield and room mirror,The output end of the infrared CCD camera is electrically connected at the input terminal of signal picker,For the frequency of wink to driver,Wink time and frequency of yawning are acquired,And it is transmitted to signal picker,The present invention is by the infrared CCD camera that is installed between automotive windshield and room mirror come the frequency of wink to driver,Wink time and frequency of yawning are acquired,The number of nodding of driver is acquired by the capacitance sensor for being installed on automobile inner top,So as to be detected to fatigue driving state.
Description
Technical field
The invention belongs to fatigue driving auxiliary device technical fields, and in particular to a kind of fatigue driving auxiliary device, this hair
It is bright to also relate to a kind of fatigue driving auxiliary device and method for detecting fatigue driving.
Background technology
Driving fatigue refers to driver after continuous driving for a long time, generates the imbalance of physiological function and mental function, and
Objectively there is the phenomenon that driving efficiency decline.Driver's poor sleeping quality or deficiency, long-duration driving vehicle, are susceptible to
Fatigue.Driving fatigue influences whether all sides such as attention, feeling, consciousness, thinking, judgement, will, decision and movement of driver
Face, to which fatigue driving is easy to cause the generation of driving accident.
But fatigue driving in the prior art detection is difficult to the facial characteristics according to driver and nods number and and match
It closes external reason road conditions detection and transport condition carries out whether judgement driver is in fatigue driving state, detection method is more
It is single, thus detection result is unsatisfactory, thus also need to improve.
Invention content
The purpose of the present invention is to provide a kind of fatigue driving auxiliary device and its application methods, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions:A kind of fatigue driving auxiliary device, including information are adopted
Storage, infrared CCD camera, capacitance sensor, common CCD camera, transport condition detection module, signal amplifier, A/D turn
Parallel operation, dsp processor, attention device, brake module, data storage;
The infrared CCD camera is installed between automotive windshield and room mirror, the output end of the infrared CCD camera
It is electrically connected at the input terminal of signal picker, for the frequency of wink of driver, wink time and frequency of yawning
Rate is acquired, and is transmitted to signal picker;
The capacitance sensor be installed on automobile inner top and positioned at operating seat surface, the capacitance sensor it is defeated
Outlet is electrically connected at the input terminal of signal picker, is acquired for the number of nodding to driver, and be transmitted to
Signal picker;
At the top of the common CCD camera installation automobile is outer and towards the front of vehicle traveling direction, the common CCD images
The output end of head is electrically connected at the input terminal of signal picker, for being detected to road conditions, and is transmitted to signal and adopts
Storage;
The transport condition detection module is electrically connected at signal picker, and shape is operated for detecting vehicle condition and driver
State, and transmit a signal to signal picker;
Described information collector is electrically connected at A/D converter, the A/ for acquiring analog signal by signal amplifier
The output end of D converters is also electrically connected at dsp processor;
The output end in dsp processor is electrically connected in the brake module and attention device, is respectively used to safety shut-down and pre-
Alert prompt.
Preferably, the transport condition detection module includes pressure sensor, rotation direction sensor, acceleration transducer,
The pressure sensor is installed on accelerator pedal of automobile lower surface, the dynamics stepped on the gas for detecting driver, and the steering passes
Sensor is installed on vehicle steering wheel main spindle's, is used for the rotation angle of monitoring direction disk, and the acceleration transducer is installed on
On automobile front suspension, the acceleration situation for detecting automobile.
Preferably, the brake module includes brake operating mechanism and brake, the brake operating mechanism generate braking,
Control braking effect and all parts that braking energy is transmitted to brake.
Preferably, the output end of the dsp processor is also electrically connected at data storage, for storing fatigue driving
Situation
The present invention also provides a kind of method for detecting fatigue driving of fatigue driving auxiliary device, specifically include following steps:
S1, carry out blink to driver by the infrared CCD camera being installed between automotive windshield and room mirror
Frequency, wink time and frequency of yawning are acquired, and are come to automobile by the capacitance sensor for being installed on automobile inner top
The number of nodding of driver is acquired, and is carried out to automobile needs by the common CCD camera for being installed on automobile top
Road conditions are monitored;The situation that driver steps on the gas suddenly is acquired by pressure sensor, is sensed by turning to
Device is acquired the zig zag number of driver, by acceleration transducer can be to automobile on different road conditions
Travel speed is detected, in addition, being acquired statistics to these information by information acquisition device;
S2, analog signal transmission to the A/D converter for being collected information acquisition device by signal amplifier carry out analog-to-digital conversion, turn
Dsp processor is transmitted to after alternatively again and carries out analyzing processing;
S3, after dsp processor analyzing processing, if it is determined that driver is in fatigue driving state and is then sent out to attention device
Alarm command prompts driver, when prompted between be more than that estimated time attention device is not turned off manually by driver also,
Braking commands then are sent out from dsp processor to brake module again, i.e., braking, control braking effect are generated by brake operating mechanism
And all parts that braking energy is transmitted to brake realize emergency brake;
S4, the information after analyzing processing is stored by data storage, convenient for making warning effect to driver.
A kind of fatigue driving auxiliary device and method for detecting fatigue driving provided by the invention, the present invention is by being installed on vapour
Infrared CCD camera between vehicle windscreen and room mirror comes the frequency of wink to driver, wink time and beats
Yawn frequency is acquired, and is carried out to the number of nodding of driver by the capacitance sensor for being installed on automobile inner top
Acquisition, so as to be detected to fatigue driving state;By being installed on the common CCD camera of automobile top come to automobile
It needs the road conditions carried out to be monitored, while coordinating pressure sensor, rotation direction sensor and acceleration transducer can be to driving
The person's of sailing fatigue driving degree is further determined, i.e., is adopted to the situation that driver steps on the gas suddenly by pressure sensor
Collection, is acquired the zig zag number of driver by rotation direction sensor, can be existed to automobile by acceleration transducer
Travel speed on different road conditions is detected, in addition, being acquired statistics to these information by information acquisition device, is led to
It crosses analog signal transmission to the A/D converter that signal amplifier collects information acquisition device and carries out analog-to-digital conversion, after conversion again
It is transmitted to dsp processor and carries out analyzing processing, after dsp processor analyzing processing, if it is determined that driver is in fatigue
Driving condition then sends out alarm command to attention device, prompts driver, when prompted between be more than estimated time warning
Device is not turned off manually by driver also, then sends out braking commands from dsp processor to brake module again, that is, passes through braking maneuver machine
Structure generates braking, control braking effect and all parts realization emergency brake that braking energy is transmitted to brake, has very
High practicability greatly improves a kind of use functionality of the collision protection system of vehicle, ensures its using effect and make
With benefit, it is suitble to be widely popularized.
Description of the drawings
Fig. 1 is the modular structure schematic diagram of a kind of fatigue driving auxiliary device of the present invention and method for detecting fatigue driving.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of fatigue driving auxiliary device of such as Fig. 1, including information acquisition device, infrared CCD camera,
Capacitance sensor, common CCD camera, transport condition detection module, signal amplifier, A/D converter, dsp processor, warning
Device, brake module, data storage;
The infrared CCD camera is installed between automotive windshield and room mirror, the output end of the infrared CCD camera
It is electrically connected at the input terminal of signal picker, for the frequency of wink of driver, wink time and frequency of yawning
Rate is acquired, and is transmitted to signal picker;
The capacitance sensor be installed on automobile inner top and positioned at operating seat surface, the capacitance sensor it is defeated
Outlet is electrically connected at the input terminal of signal picker, is acquired for the number of nodding to driver, and be transmitted to
Signal picker;
At the top of the common CCD camera installation automobile is outer and towards the front of vehicle traveling direction, the common CCD images
The output end of head is electrically connected at the input terminal of signal picker, for being detected to road conditions, and is transmitted to signal and adopts
Storage;
The transport condition detection module is electrically connected at signal picker, and shape is operated for detecting vehicle condition and driver
State, and transmit a signal to signal picker;
Described information collector is electrically connected at A/D converter, the A/ for acquiring analog signal by signal amplifier
The output end of D converters is also electrically connected at dsp processor;
The output end in dsp processor is electrically connected in the brake module and attention device, is respectively used to safety shut-down and pre-
Alert prompt.
Preferably, the transport condition detection module includes pressure sensor, rotation direction sensor, acceleration transducer,
The pressure sensor is installed on accelerator pedal of automobile lower surface, the dynamics stepped on the gas for detecting driver, and the steering passes
Sensor is installed on vehicle steering wheel main spindle's, is used for the rotation angle of monitoring direction disk, and the acceleration transducer is installed on
On automobile front suspension, the acceleration situation for detecting automobile.
Preferably, the brake module includes brake operating mechanism and brake, the brake operating mechanism generate braking,
Control braking effect and all parts that braking energy is transmitted to brake.
Preferably, the output end of the dsp processor is also electrically connected at data storage, for storing fatigue driving
Situation
The present invention also provides a kind of method for detecting fatigue driving of fatigue driving auxiliary device, specifically include following steps:
S1, carry out blink to driver by the infrared CCD camera being installed between automotive windshield and room mirror
Frequency, wink time and frequency of yawning are acquired, and are come to automobile by the capacitance sensor for being installed on automobile inner top
The number of nodding of driver is acquired, and is carried out to automobile needs by the common CCD camera for being installed on automobile top
Road conditions are monitored;The situation that driver steps on the gas suddenly is acquired by pressure sensor, is sensed by turning to
Device is acquired the zig zag number of driver, by acceleration transducer can be to automobile on different road conditions
Travel speed is detected, in addition, being acquired statistics to these information by information acquisition device;
S2, analog signal transmission to the A/D converter for being collected information acquisition device by signal amplifier carry out analog-to-digital conversion, turn
Dsp processor is transmitted to after alternatively again and carries out analyzing processing;
S3, after dsp processor analyzing processing, if it is determined that driver is in fatigue driving state and is then sent out to attention device
Alarm command prompts driver, when prompted between be more than that estimated time attention device is not turned off manually by driver also,
Braking commands then are sent out from dsp processor to brake module again, i.e., braking, control braking effect are generated by brake operating mechanism
And all parts that braking energy is transmitted to brake realize emergency brake;
S4, the information after analyzing processing is stored by data storage, convenient for making warning effect to driver.
In conclusion compared with prior art, the present invention is red between automotive windshield and room mirror by being installed on
Outer CCD camera is acquired the frequency of wink of driver, wink time and frequency of yawning, by being installed on
The capacitance sensor of automobile inner top is acquired the number of nodding of driver, so as to fatigue driving state
It is detected;The road conditions carried out are needed to be monitored in automobile by being installed on the common CCD camera of automobile top,
Coordinate pressure sensor, rotation direction sensor and acceleration transducer that can further be sentenced to driver tired driving degree simultaneously
It is fixed, i.e., the situation that driver steps on the gas suddenly is acquired by pressure sensor, by rotation direction sensor come to driver
Zig zag number be acquired, travel speed of the automobile on different road conditions can be carried out by acceleration transducer
Detection, in addition, being acquired statistics to these information by information acquisition device, is collected information acquisition device by signal amplifier
Analog signal transmission to A/D converter carry out analog-to-digital conversion, conversion after be transmitted to again dsp processor carry out analyzing processing,
After dsp processor analyzing processing, if it is determined that driver is in fatigue driving state and then sends out alarm life to attention device
Enable, driver prompted, when prompted between be more than that estimated time attention device is not turned off manually by driver also, then again by
Dsp processor sends out braking commands to brake module, i.e., generates braking, control braking effect by brake operating mechanism and will make
The all parts that energy is transmitted to brake realize emergency brake.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of fatigue driving auxiliary device, including information acquisition device, infrared CCD camera, capacitance sensor, common CCD are taken the photograph
As head, transport condition detection module, signal amplifier, A/D converter, dsp processor, attention device, brake module, data storage
Device;
The infrared CCD camera is installed between automotive windshield and room mirror, the output end of the infrared CCD camera
It is electrically connected at the input terminal of signal picker, for the frequency of wink of driver, wink time and frequency of yawning
Rate is acquired, and is transmitted to signal picker;
The capacitance sensor be installed on automobile inner top and positioned at operating seat surface, the capacitance sensor it is defeated
Outlet is electrically connected at the input terminal of signal picker, is acquired for the number of nodding to driver, and be transmitted to
Signal picker;
At the top of the common CCD camera installation automobile is outer and towards the front of vehicle traveling direction, the common CCD images
The output end of head is electrically connected at the input terminal of signal picker, for being detected to road conditions, and is transmitted to signal and adopts
Storage;
The transport condition detection module is electrically connected at signal picker, and shape is operated for detecting vehicle condition and driver
State, and transmit a signal to signal picker;
Described information collector is electrically connected at A/D converter, the A/ for acquiring analog signal by signal amplifier
The output end of D converters is also electrically connected at dsp processor;
The output end in dsp processor is electrically connected in the brake module and attention device, is respectively used to safety shut-down and pre-
Alert prompt.
2. a kind of fatigue driving auxiliary device according to claim 1, it is characterised in that:The transport condition detection module
Include pressure sensor, rotation direction sensor, acceleration transducer, the pressure sensor is installed on accelerator pedal of automobile following table
Face, the dynamics stepped on the gas for detecting driver, the rotation direction sensor is installed on vehicle steering wheel main spindle's, for monitoring
The rotation angle of steering wheel, the acceleration transducer are installed on automobile front suspension, the acceleration situation for detecting automobile.
3. a kind of fatigue driving auxiliary device according to claim 1, it is characterised in that:The brake module includes braking
Operating mechanism and brake, the brake operating mechanism generate braking, control braking effect and braking energy are transmitted to braking
The all parts of device.
4. a kind of fatigue driving auxiliary device according to claim 1, it is characterised in that:The output of the dsp processor
End is also electrically connected at data storage, the situation for storing fatigue driving.
5. a kind of method for detecting fatigue driving described in claim 1 for fatigue driving auxiliary device, it is characterised in that:Tool
Body includes the following steps:
S1, carry out blink to driver by the infrared CCD camera being installed between automotive windshield and room mirror
Frequency, wink time and frequency of yawning are acquired, and are come to automobile by the capacitance sensor for being installed on automobile inner top
The number of nodding of driver is acquired, and is carried out to automobile needs by the common CCD camera for being installed on automobile top
Road conditions are monitored;The situation that driver steps on the gas suddenly is acquired by pressure sensor, is sensed by turning to
Device is acquired the zig zag number of driver, by acceleration transducer can be to automobile on different road conditions
Travel speed is detected, in addition, being acquired statistics to these information by information acquisition device;
S2, analog signal transmission to the A/D converter for being collected information acquisition device by signal amplifier carry out analog-to-digital conversion, turn
Dsp processor is transmitted to after alternatively again and carries out analyzing processing;
S3, after dsp processor analyzing processing, if it is determined that driver is in fatigue driving state and is then sent out to attention device
Alarm command prompts driver, when prompted between be more than that estimated time attention device is not turned off manually by driver also,
Braking commands then are sent out from dsp processor to brake module again, i.e., braking, control braking effect are generated by brake operating mechanism
And all parts that braking energy is transmitted to brake realize emergency brake;
S4, the information after analyzing processing is stored by data storage, convenient for making warning effect to driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810830011.0A CN108694815A (en) | 2018-07-25 | 2018-07-25 | A kind of fatigue driving auxiliary device and method for detecting fatigue driving |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830011.0A CN108694815A (en) | 2018-07-25 | 2018-07-25 | A kind of fatigue driving auxiliary device and method for detecting fatigue driving |
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| CN108694815A true CN108694815A (en) | 2018-10-23 |
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| CN201810830011.0A Pending CN108694815A (en) | 2018-07-25 | 2018-07-25 | A kind of fatigue driving auxiliary device and method for detecting fatigue driving |
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Cited By (7)
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| CN109770925A (en) * | 2019-02-03 | 2019-05-21 | 闽江学院 | A kind of fatigue detection method based on depth time-space network |
| CN109817056A (en) * | 2019-01-30 | 2019-05-28 | 北京津发科技股份有限公司 | Driving behavior data acquisition device and assessment device based on vehicle drive |
| CN109887373A (en) * | 2019-01-30 | 2019-06-14 | 北京津发科技股份有限公司 | Driving behavior collecting method, assessment method and device based on vehicle drive |
| CN109977930A (en) * | 2019-04-29 | 2019-07-05 | 中国电子信息产业集团有限公司第六研究所 | Method for detecting fatigue driving and device |
| CN110311971A (en) * | 2019-06-27 | 2019-10-08 | 上海工程技术大学 | A kind of vehicle-bone monitoring device and application |
| CN111572543A (en) * | 2020-04-06 | 2020-08-25 | 沃行科技(南京)有限公司 | Full-automatic driving assisting system and method for passenger vehicle |
| CN112393916A (en) * | 2020-10-15 | 2021-02-23 | 东风汽车集团有限公司 | Test device and test method for roof strength |
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| CN109817056A (en) * | 2019-01-30 | 2019-05-28 | 北京津发科技股份有限公司 | Driving behavior data acquisition device and assessment device based on vehicle drive |
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| CN110311971A (en) * | 2019-06-27 | 2019-10-08 | 上海工程技术大学 | A kind of vehicle-bone monitoring device and application |
| CN111572543A (en) * | 2020-04-06 | 2020-08-25 | 沃行科技(南京)有限公司 | Full-automatic driving assisting system and method for passenger vehicle |
| CN112393916A (en) * | 2020-10-15 | 2021-02-23 | 东风汽车集团有限公司 | Test device and test method for roof strength |
| CN112393916B (en) * | 2020-10-15 | 2022-02-15 | 东风汽车集团有限公司 | Test device and test method for roof strength |
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Application publication date: 20181023 |
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