CN109602403A - Fatigue driving detecting system and method - Google Patents
Fatigue driving detecting system and method Download PDFInfo
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- CN109602403A CN109602403A CN201811481799.5A CN201811481799A CN109602403A CN 109602403 A CN109602403 A CN 109602403A CN 201811481799 A CN201811481799 A CN 201811481799A CN 109602403 A CN109602403 A CN 109602403A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
Abstract
The present invention proposes a kind of fatigue driving detecting system and method, belongs to vehicle intelligent terminal field.The present invention solves in current fatigue driving objective measure, it is all made of direct method or is all made of indirect method and detected, the problem of cannot effectively being detected in conjunction with practical tired situation of the actual conditions to driver, its drip irrigation device are as follows: fatigue driving detecting system, including heart rate detection unit, breathing detection unit, driving habit data acquisition unit, analytical calculation unit and display alarm unit, the heart rate detection unit, breathing detection unit, driving habit data acquisition unit and display alarm unit are connect with analytical calculation unit；Method for detecting fatigue driving is applied to fatigue driving detecting system, and whether tired, and carry out prompting displaying according to the tired situation of driver if analyzing driver by data such as the changes in heart rate situations, respiratory variations situation, driving habit situation of change of acquisition driver.
Description
Technical field
The present invention relates to vehicle intelligent terminal technologies, the in particular to technology of fatigue driving detection.
Background technique
Fatigue driving detects the important need that automobile intelligent when always uses field, the side of the detection of fatigue driving at present
Method is also varied, and relatively common method has method for objectively evaluating and two kinds of subjective evaluation method, and subjective evaluation method is main
By way of automobile data recorder data or filling in questionnaire, the physiological status during driving is carried out after driving
Assessment；Objective evaluation acquires driver fatigue by the intervention of detection device when main relative to subjective evaluation method
Relevant parameter carries out tired judgement.
Objective evaluation method is divided into direct method and indirect method again: the fatigue that direct method mainly passes through in detection driving procedure is straight
It connects the variation of relevant physiological status, such as frequency of wink, yawns, head position variation, electroencephalogram, electroculogram, electrocardiogram,
Connection is then that the driving behavior of monitoring driver reflects fatigue conditions indirectly, by real-time driving behavior and normal driving behavior
It compares, to judge whether to occur with fatigue related abnormal operation.But in current fatigue driving objective measure,
It is all made of direct method or is all made of indirect method and detected, cannot effectively combine actual conditions to the practical tired situation of driver
It is detected.
Summary of the invention
The object of the present invention is to provide a kind of fatigue driving detecting system and methods, solve the objective inspection of current fatigue driving
It in survey method, is all made of direct method or is all made of indirect method and detected, effectively actual conditions cannot be combined to the reality of driver
The problem of border fatigue situation is detected.
The present invention solves its technical problem, the technical solution adopted is that: fatigue driving detecting system, including heart rate detection list
Member, breathing detection unit, driving habit data acquisition unit, analytical calculation unit and display alarm unit, the heart rate detection
Unit, breathing detection unit, driving habit data acquisition unit and display alarm unit are connect with analytical calculation unit；
The heart rate detection unit is used for after driver fastens one's safety belt, and acquires the heart rate data of driver, and transmit
To analytical calculation unit；
The breathing detection unit is used to acquire the respiratory rate data of driver, and is transmitted to analytical calculation unit；
The driving habit data acquisition unit reads traveling state of vehicle and driver drives for accessing automobile bus
Situation, and it is transmitted to analytical calculation unit；
The analytical calculation unit is single for obtaining heart rate detection unit, breathing detection unit and the acquisition of driving habit data
The data of member acquisition are simultaneously stored, and situation of change, the breathing value of Variation of Drivers ' Heart Rate value and heart rate are calculated according to the data of storage
And respiratory variations situation and driving condition data and driving situation delta data, and combine the Variation of Drivers ' Heart Rate value calculated and heart rate
Situation of change, breathing value and respiratory variations situation and driving condition data and driving situation delta data, analyze driver's
Fatigue driving situation, and analysis result is sent to display alarm unit, when the driving situation of driver is driven in dangerous fatigue
When sailing in the range of regulation, sends alert data and carry out prompting to display alarm unit and show；
The display alarm unit is used to receive the analysis result information and based on the analysis results of analytical calculation unit transmission
Information is shown prompting.
Further, the heart rate detection unit is integrated with heart rate sensor, on the inside of sensor inserted safety band, when driving
After the person of sailing fastens one's safety belt, the heart rate data acquisition of driver is can be realized in heart rate detection unit.
Particularly, tension variations frequency situation of the breathing detection unit by monitoring safety belt lower abdomen section, acquisition
The respiratory rate data of driver, and it is transmitted to analytical calculation unit.
It is further that the driving condition and driver's driving situation include automobile's instant velocity, acceleration, deviation
Situation, continuous driving time and steering wheel delay of control interval.
Method for detecting fatigue driving includes the following steps: applied to the fatigue driving detecting system
Step 1, setting Rule of judgment threshold value, the judgment threshold including heart rate, breathing, driving situation is arranged, and store and arrive
Analytical calculation unit is for acquiring the analytical calculation after data；
Step 2, analytical calculation unit from heart rate detection unit, breathing detection unit and drive habit according to sample frequency timing
Used data acquisition unit obtains real time data, and data are stored, and then enters step 3,4 and 5 simultaneously；
The heart rate data that step 3, the heart rate data stored according to step 2 obtain storage is calculated, and is specifically included:
Step 301, the current newest heart rate variability signals of extraction are compared with the condition threshold of step 1, calculate base
In the fatigue state of real-time heart rate；
Step 302, the change curve that Current heart rate is calculated according to the heart rate data of a period of time, are arranged in conjunction with step 1
Condition threshold calculates the fatigue state based on changes in heart rate situation；
Step 303, according to the calculated result of step 301 and step 302, calculate the fatigue detection result based on heart rate；
Step 4, the breath data stored according to step 2, calculate the change curve of a period of time breath data, in conjunction with step
The condition threshold of 1 setting, calculates the fatigue state based on breath data；
Step 5 is calculated according to the driving habit data that step 2 stores in conjunction with the Rule of judgment and threshold value of different data
Fatigue state based on driving habit data；
Step 6 is integrated using the method for weighting judgement based on changes in heart rate situation according to the calculated result of step 3-5
Fatigue state, the fatigue state based on breath data, the Analysis of Mental Fatigue based on driving habit data go out the tired of driver
Labor situation；
Step 7, the content-data for generating needs prompting displaying based on the analysis results are sent to the display of display unit step 4 and mention
It wakes up；
Step 8, display unit receive the analysis of analytical calculation unit as a result, carrying out display alarm.
Particularly, in step 2, the heart rate detection unit is integrated with heart rate sensor, in sensor inserted safety band
Side, after driver fastens one's safety belt, the heart rate data acquisition of driver is can be realized in heart rate detection unit.
Further, the breathing detection unit passes through the tension variations frequency of monitoring safety belt lower abdomen section in step 2
Situation, acquires the respiratory rate data of driver, and is transmitted to analytical calculation unit.
It, can by direct method and indirectly the invention has the advantages that by above-mentioned fatigue driving detecting system and method
Method combines, by the heart rate data and changes in heart rate situation, respiratory variations situation, driving habit situation of change that acquire driver
Deng progress comprehensive data analysis, the fatigue detecting of driver's current state is realized.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of embodiment fatigue driving detecting system；
Fig. 2 is the process flow diagram of embodiment method for detecting fatigue driving.
Specific embodiment
Below with reference to examples and drawings, the technical schemes of the invention are described in detail.
Fatigue driving detecting system of the present invention, including heart rate detection unit, breathing detection unit, driving habit data
Acquisition unit, analytical calculation unit and display alarm unit, wherein heart rate detection unit, breathing detection unit, driving habit number
It is connect with analytical calculation unit according to acquisition unit and display alarm unit；Heart rate detection unit is used to fasten safety as driver
After band, the heart rate data of driver is acquired, and be transmitted to analytical calculation unit；Breathing detection unit is for acquiring exhaling for driver
Frequency data are inhaled, and are transmitted to analytical calculation unit；Driving habit data acquisition unit reads vehicle for accessing automobile bus
Driving condition and driver's driving situation, and it is transmitted to analytical calculation unit；Analytical calculation unit is for obtaining heart rate detection list
Member, the data of breathing detection unit and the acquisition of driving habit data acquisition unit are simultaneously stored, and are calculated according to the data of storage
Variation of Drivers ' Heart Rate value and the situation of change of heart rate, breathing value and respiratory variations situation and driving condition data and driving situation variation
Data, and combine situation of change, breathing value and the respiratory variations situation and driving condition of the Variation of Drivers ' Heart Rate value and heart rate that calculate
Data and driving situation delta data analyze the fatigue driving situation of driver, and analysis result are sent to display alarm list
Member sends alert data to display alarm list when the driving situation of driver is in the range of dangerous fatigue driving regulation
Member carries out prompting and shows；Display alarm unit is used to receive the analysis result information of analytical calculation unit transmission and is tied according to analysis
Fruit information is shown prompting.
Method for detecting fatigue driving includes the following steps: applied to the fatigue driving detecting system
Step 1, setting Rule of judgment threshold value, the judgment threshold including heart rate, breathing, driving situation is arranged, and store and arrive
Analytical calculation unit is for acquiring the analytical calculation after data；
Step 2, analytical calculation unit from heart rate detection unit, breathing detection unit and drive habit according to sample frequency timing
Used data acquisition unit obtains real time data, and data are stored, and then enters step 3,4 and 5 simultaneously；
The heart rate data that step 3, the heart rate data stored according to step 2 obtain storage is calculated, and is specifically included:
Step 301, the current newest heart rate variability signals of extraction are compared with the condition threshold of step 1, calculate base
In the fatigue state of real-time heart rate；
Step 302, the change curve that Current heart rate is calculated according to the heart rate data of a period of time, are arranged in conjunction with step 1
Condition threshold calculates the fatigue state based on changes in heart rate situation；
Step 303, according to the calculated result of step 301 and step 302, calculate the fatigue detection result based on heart rate；
Step 4, the breath data stored according to step 2, calculate the change curve of a period of time breath data, in conjunction with step
The condition threshold of 1 setting, calculates the fatigue state based on breath data；
Step 5 is calculated according to the driving habit data that step 2 stores in conjunction with the Rule of judgment and threshold value of different data
Fatigue state based on driving habit data；
Step 6 is integrated using the method for weighting judgement based on changes in heart rate situation according to the calculated result of step 3-5
Fatigue state, the fatigue state based on breath data, the Analysis of Mental Fatigue based on driving habit data go out the tired of driver
Labor situation；
Step 7, the content-data for generating needs prompting displaying based on the analysis results are sent to the display of display unit step 4 and mention
It wakes up；
Step 8, display unit receive the analysis of analytical calculation unit as a result, carrying out display alarm.
Here, the changes in heart rate situation, respiratory variations situation, driving habit situation of change etc. of acquisition driver can be passed through
Whether data analyze driver tired, and carry out prompting displaying according to the tired situation of driver.
Embodiment
Fatigue driving detecting system of the embodiment of the present invention, by heart rate detection unit, breathing detection unit, driving habit data
Acquisition unit, analytical calculation unit and display alarm unit composition, structure composition schematic diagram is referring to Fig. 1, wherein heart rate detection
Unit, breathing detection unit, driving habit data acquisition unit and display alarm unit are connect with analytical calculation unit.Heart rate
Detection unit is used for after driver fastens one's safety belt, and acquires the heart rate data of driver, and be transmitted to analytical calculation unit；It exhales
The respiratory rate data that detection unit is used to acquire driver are inhaled, and are transmitted to analytical calculation unit；The acquisition of driving habit data
Unit reads traveling state of vehicle and driver's driving situation, and be transmitted to analytical calculation unit for accessing automobile bus；Point
Analysis computing unit is used to obtain the data of heart rate detection unit, breathing detection unit and the acquisition of driving habit data acquisition unit simultaneously
It is stored, situation of change, breathing value and the respiratory variations situation of Variation of Drivers ' Heart Rate value and heart rate is calculated according to the data of storage
With driving condition data and driving situation delta data, and combine calculate Variation of Drivers ' Heart Rate value and heart rate situation of change, exhale
Suction value and respiratory variations situation and driving condition data and driving situation delta data, analyze the fatigue driving situation of driver,
And analysis result is sent to display alarm unit, when the driving situation of driver is in the range of dangerous fatigue driving regulation
When, transmission alert data carries out prompting to display alarm unit and shows；Display alarm unit is for receiving analytical calculation unit hair
The analysis result information that send and information is shown prompting based on the analysis results.
In above system, heart rate detection unit can integrate heart rate sensor, and driving is worked as in sensor inserted safety band inside
After member fastens one's safety belt, the heart rate data acquisition of driver is can be realized in heart rate detection unit；Breathing detection unit can pass through
The tension variations frequency situation for monitoring safety belt lower abdomen section, acquires the respiratory rate data of driver, and be transmitted to analytical calculation
Unit；When driving condition and driver's driving situation preferably include automobile's instant velocity, acceleration, deviation situation, continuous driving
Between and steering wheel delay of control interval etc..
Method for detecting fatigue driving, referring to fig. 2, this method is applied to the fatigue driving detection system to process flow diagram
System, includes the following steps:
Step 1, setting Rule of judgment threshold value, the judgment threshold including heart rate, breathing, driving situation is arranged, and store and arrive
Analytical calculation unit is for acquiring the analytical calculation after data；
Step 2, analytical calculation unit from heart rate detection unit, breathing detection unit and drive habit according to sample frequency timing
Used data acquisition unit obtains real time data, and data are stored, and then enters step 3,4 and 5 simultaneously；
The heart rate data that step 3, the heart rate data stored according to step 2 obtain storage is calculated, and is specifically included:
Step 301, the current newest heart rate variability signals of extraction are compared with the condition threshold of step 1, calculate base
In the fatigue state of real-time heart rate；
Step 302, the change curve that Current heart rate is calculated according to the heart rate data of a period of time, are arranged in conjunction with step 1
Condition threshold calculates the fatigue state based on changes in heart rate situation；
Step 303, according to the calculated result of step 301 and step 302, calculate the fatigue detection result based on heart rate；
Step 4, the breath data stored according to step 2, calculate the change curve of a period of time breath data, in conjunction with step
The condition threshold of 1 setting, calculates the fatigue state based on breath data；
Step 5 is calculated according to the driving habit data that step 2 stores in conjunction with the Rule of judgment and threshold value of different data
Fatigue state based on driving habit data；
Step 6 is integrated using the method for weighting judgement based on changes in heart rate situation according to the calculated result of step 3-5
Fatigue state, the fatigue state based on breath data, the Analysis of Mental Fatigue based on driving habit data go out the tired of driver
Labor situation；
Step 7, the content-data for generating needs prompting displaying based on the analysis results are sent to the display of display unit step 4 and mention
It wakes up；
Step 8, display unit receive the analysis of analytical calculation unit as a result, carrying out display alarm.
In the step 2 of the above method, preferably integrated heart rate sensor, sensor inserted safety band in heart rate detection unit
Inside, after driver fastens one's safety belt, the heart rate data acquisition of driver is can be realized in heart rate detection unit；Breathing detection list
Member can acquire the respiratory rate data of driver, and transmit by the tension variations frequency situation of monitoring safety belt lower abdomen section
To analytical calculation unit.
Claims (7)
1. fatigue driving detecting system, which is characterized in that including heart rate detection unit, breathing detection unit, driving habit data
Acquisition unit, analytical calculation unit and display alarm unit, the heart rate detection unit, breathing detection unit, driving habit number
It is connect with analytical calculation unit according to acquisition unit and display alarm unit；
The heart rate detection unit is used for after driver fastens one's safety belt, and acquires the heart rate data of driver, and is transmitted to point
Analyse computing unit；
The breathing detection unit is used to acquire the respiratory rate data of driver, and is transmitted to analytical calculation unit；
The driving habit data acquisition unit reads traveling state of vehicle and driver drives feelings for accessing automobile bus
Condition, and it is transmitted to analytical calculation unit；
The analytical calculation unit is adopted for obtaining heart rate detection unit, breathing detection unit and driving habit data acquisition unit
The data of collection are simultaneously stored, and according to the data of storage calculating Variation of Drivers ' Heart Rate value and the situation of change of heart rate, breathing value and are exhaled
Situation of change and driving condition data and driving situation delta data are inhaled, and combines the change of the Variation of Drivers ' Heart Rate value and heart rate that calculate
Change situation, breathing value and respiratory variations situation and driving condition data and driving situation delta data, analyzes the fatigue of driver
Driving situation, and analysis result is sent to display alarm unit, when the driving situation of driver is advised in dangerous fatigue driving
When in fixed range, transmission alert data carries out prompting to display alarm unit and shows；
The display alarm unit is used to receive the analysis result information of analytical calculation unit transmission and based on the analysis results information
It is shown prompting.
2. fatigue driving detecting system according to claim 1, which is characterized in that the heart rate detection unit is integrated with the heart
Rate sensor, sensor inserted safety band inside, after driver fastens one's safety belt, driver is can be realized in heart rate detection unit
Heart rate data acquisition.
3. fatigue driving detecting system according to claim 1, which is characterized in that the breathing detection unit passes through monitoring
The tension variations frequency situation of safety belt lower abdomen section, acquires the respiratory rate data of driver, and is transmitted to analytical calculation unit.
4. fatigue driving detecting system according to claim 1, which is characterized in that the driving condition and driver drive
Situation includes automobile's instant velocity, acceleration, deviation situation, continuous driving time and steering wheel delay of control interval.
5. method for detecting fatigue driving, applied to fatigue driving detecting system described in claim 1-4 any one, feature
It is, includes the following steps:
Step 1, setting Rule of judgment threshold value, the judgment threshold including heart rate, breathing, driving situation is arranged, and store to analysis
Computing unit is for acquiring the analytical calculation after data；
Step 2, analytical calculation unit are according to sample frequency periodically from heart rate detection unit, breathing detection unit and driving habit number
Real time data is obtained according to acquisition unit, and data are stored, then enters step 3,4 and 5 simultaneously；
The heart rate data that step 3, the heart rate data stored according to step 2 obtain storage is calculated, and is specifically included:
Step 301, the current newest heart rate variability signals of extraction are compared with the condition threshold of step 1, calculate based on real
When heart rate fatigue state；
Step 302, the change curve that Current heart rate is calculated according to the heart rate data of a period of time, the condition being arranged in conjunction with step 1
Threshold value calculates the fatigue state based on changes in heart rate situation；
Step 303, according to the calculated result of step 301 and step 302, calculate the fatigue detection result based on heart rate；
Step 4, the breath data stored according to step 2, calculate the change curve of a period of time breath data, set in conjunction with step 1
The condition threshold set calculates the fatigue state based on breath data；
Step 5 is calculated and is based in conjunction with the Rule of judgment and threshold value of different data according to the driving habit data that step 2 stores
The fatigue state of driving habit data；
Step 6 integrates the fatigue based on changes in heart rate situation using the method for weighting judgement according to the calculated result of step 3-5
State, the fatigue state based on breath data, the Analysis of Mental Fatigue based on driving habit data go out the tired feelings of driver
Condition；
Step 7, the content-data for generating needs prompting displaying based on the analysis results are sent to display unit step 4 display alarm；
Step 8, display unit receive the analysis of analytical calculation unit as a result, carrying out display alarm.
6. method for detecting fatigue driving according to claim 5, which is characterized in that in step 2, the heart rate detection unit
It is integrated with heart rate sensor, sensor inserted safety band inside, after driver fastens one's safety belt, heart rate detection unit can be real
The heart rate data acquisition of existing driver.
7. method for detecting fatigue driving according to claim 5, which is characterized in that in step 2, the breathing detection unit
By monitoring the tension variations frequency situation of safety belt lower abdomen section, the respiratory rate data of driver are acquired, and be transmitted to analysis
Computing unit.
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| CN111784972A (en) * | 2020-07-14 | 2020-10-16 | 北京敬一科技有限公司 | Vehicle fatigue driving resisting equipment based on big data and implementation method |
| CN111968340A (en) * | 2020-08-21 | 2020-11-20 | 无锡威孚高科技集团股份有限公司 | Fatigue driving detection early warning device |
| CN111968341A (en) * | 2020-08-21 | 2020-11-20 | 无锡威孚高科技集团股份有限公司 | Fatigue driving detection system and method |
| CN113071446A (en) * | 2021-02-26 | 2021-07-06 | 三三智能科技(苏州)有限公司 | Health index monitoring system based on automobile intelligent safety belt and data processing method thereof |
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Application publication date: 20190412 |