CN106447825B - A kind of vehicle-mounted information recording system based on Internet of Things - Google Patents
A kind of vehicle-mounted information recording system based on Internet of Things Download PDFInfo
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- CN106447825B CN106447825B CN201610782426.6A CN201610782426A CN106447825B CN 106447825 B CN106447825 B CN 106447825B CN 201610782426 A CN201610782426 A CN 201610782426A CN 106447825 B CN106447825 B CN 106447825B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
- G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness
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Abstract
The vehicle-mounted information recording system based on Internet of Things that the invention discloses a kind of, including vehicle-mounted black box module, helicopter module, eye movement obtain module, heart rate obtains module and mobile terminal；Vehicle-mounted black box module collects and records automotive service information, including the speed, acceleration and Chinese herbaceous peony image under vehicle driving state；Helicopter module is completed by helicopter embedded system, when detecting the collision of some strength, the case where shooting arround car of taking off；Eye movement obtains module and is completed by camera, obtains driver eye movement track；Heart rate obtains module and is completed by the hand held heart rate monitor being mounted in vehicle steering wheel, obtains the heart rate of driver；Mobile terminal module can be completed by vehicle-mounted computer, provided the synchronizing clock signals of each module, and handle eye movement signal, heart rate signal, judged the state of mind of driver at that time.The present invention to modules provide synchronizing clock signals, can synchronization gain automotive service information and driver the state of mind.
Description
Technical field
The present invention relates to automotive service information acquiring technologies, are related to vehicle-mounted Mini Tele-Copter technology, are related to based on eye movement rail
Mark, driver's state of mind acquiring technology of heart rate speed more particularly to a kind of based on Internet of Things, synchronization gain automobile is driven
The vehicle-mounted information recording system of the person's of sailing information.
Background technique
Current vehicle-mounted information recording system can only take the job information and Chinese herbaceous peony monitoring video of automobile mostly, can be clear
The job information of automobile is recorded, but the state of mind of driver at that time is known nothing.The factor caused the accident may
More than one, other than vehicle behavior, it is also possible to be because system for distraction of driver, fatigue driving, mood are excessively exciting, even
It is because replaced driver, and everything is all the be unable to measure record of existing vehicle-mounted black box.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of vehicle-mounted information recording system based on Internet of Things
System.
The purpose of the present invention is achieved through the following technical solutions: a kind of vehicle-mounted information recording system based on Internet of Things
System, including vehicle-mounted black box module, vehicle-mounted helicopter module, vehicle-mounted eye movement track acquisition module, heart rate obtain module and movement
Terminal module；
The vehicle-mounted black box module collects and records the job information of automobile, including under vehicle driving state speed,
Acceleration and Chinese herbaceous peony image；
The vehicle-mounted helicopter module is completed by helicopter embedded system, the embedded system include micro helicopter,
Arm processor, wireless communication module, piezoelectric type crash sensor, GPS sensor, altimeter, tachometer of measuring, gyroscope and
Camera sensing device；After automobile is by a degree of collision, micro helicopter automatic takeoff shoot automobile arround the case where,
Prevent important information that can not be recorded because of reasons such as explosions；
The vehicle-mounted eye movement track obtains module and is completed by camera, obtains driver eye movement track；
The heart rate obtains module and is completed by the hand held heart rate monitor being mounted in vehicle steering wheel, obtains driver
Heart rate signal；
The mobile terminal module can be completed by vehicle-mounted computer, provide the synchronizing clock signals of each module, and believe eye movement
Number, heart rate signal handled, judge and record the state of mind of driver at that time.
Further, collection analysis is synchronized to the eye movement of driver, heart rate, judges the spirit of driver accordingly
State.It is subsequent to read the information stored in black box, the spiritual shape of the job information of automobile and driver when understand incident
State.
Further, acquisition has the eyeball moving track of dynamic characteristic as basic data, directly reacts the life of human body
Reason state overcomes the influence of many uncontrollable disturbing factors in conventional method, for example night strong light, the strong of driver are opened
Eye state etc. accurately can be positioned and be acquired to eyeball moving track, accurately judge the spirit of driver accordingly
State.
Further, judge whether driver diverts attention when meeting accident or entered fatigue state according to eye movement.To eye
Dynamic rail mark is analyzed, according to watch rate attentively, fixation time judges whether driver diverts attention；Judge that driver is according to eye movement rule
It is no to have entered fatigue state, when eye movement is fewerly more regular or dynamic, just illustrate that driver has entered fatigue state.According to
The emotional state of the speed auxiliary judgment driver of heart rate at that time.Because of the nervous anxiety of people or after drinking, heart rate all can
It is significantly accelerated, thus the speed of heart rate can auxiliary judgment driver mood whether anxiety and tense or be in drunk driving state.
Further, the image that the mobile terminal obtains module input to eye movement carries out recognition of face, utilizes product
Sciagraphy identification pupil is divided to build on the image after edge extracting and binary conversion treatment using Hough transform circle detection method
Vertical eye-face's relative coordinate system carries out accurate positionin and track following to pupil；Eye movement-state of mind relationship is established to judge
Model, the state of mind of driver is judged according to the relevant parameter of eye movement, and the relevant parameter of the eye movement includes note
Depending on rate, fixation time, eye movement rule.
Further, the vehicle-mounted helicopter module to the record of accident information the following steps are included:
(1) when piezoelectric type crash sensor detects the collision of some strength, output voltage changes, when it is more than
When setting value, helicopter lift-off；There are two types of helicopter lift-off modes: A, arm processor issues to micro helicopter emit immediately
Instruction emits micro helicopter；B, automatic catapult-launching gear is arranged in the position (generally in roof) of storage helicopter in automobile,
When automatic catapult-launching gear detects car body collision, as the automatic ejection-mode of aircraft pilot seat by unmanned helicopter according to setting
Fixed ejection force F is launched away, and F has preset size and Orientation, guarantees unmanned function ejection to height appropriate and model
It encloses, starts the power supply of unmanned helicopter while ejection, complete initialization, certain altitude, the top on unmanned helicopter are arrived in ejection
Spiral shell instrument detects that the inflection point begun to decline (is exactly that helicopter is cast under power F to parabola highest point, the speed in centrifugal force direction
When Vg=0, acceleration of gravity can detecte the variation of speed vertical direction --- reversed), then automatically turn on helicopter spiral
Paddle, according to the control models balancing helicopter such as helicopter attitude；
(2) under Mode A lift-off mode, when micro helicopter receives firing order, initialization task is first carried out, it is right
Operating system itself and peripheral equipment are initialized；
(3) gesture stability of micro helicopter.Gesture stability is the basis of Miniature Unmanned Helicopter autonomous flight control,
The helicopter embedded system selects PID control method to carry out coordinated control to three rolling, pitching and yaw channels respectively.θ
For pitch angle, φ is roll angle, and ψ is yaw angle, is referred to as attitude angle；P, q, r are helicopter angular speed at three points of body shafting
Amount.Kinematic relation between helicopter attitude angle and angular speed:
The differential equation is solved using numerical value solution, attitude angle is controlled using pid algorithm and angular-rate sensor, stablizes
Control the flight attitude of micro helicopter.
(4) position control of micro helicopter.Fuzzy control method does not need the mathematical model of object, but simulates people's
The mode of thinking control effectively to system, has many advantages, such as strong robustness, is suitble to processing non-linear.Therefore use mould
It pastes control law and designs helicopter closed loop location controller, control micro helicopter certain altitude above automobile does circumference fortune
It is dynamic.
(5) autonomous flight of micro helicopter.According to the posture of micro helicopter, position control principle, using two close cycles
Control the flight of micro helicopter.It is specific as follows: helicopter current location is determined according to the information of GPS, altimeter.According to current
Position exports flight attitude: if height is lower than setting value, exporting the posture flown upwards；If height be higher than setting value, export to
The posture of lower flight；If height exports the flight attitude deflected to the left, it is made to move in a circle in setting value.PID controller
According to the deviation of setting posture and current pose, output control signal controls steering engine, and steering engine controls the flight of micro helicopter.
Current pose obtains helicopter current angular velocity by gyro sensor, then with numerical value solution solution " attitude angle-angular speed "
The differential equation obtains current pose angle.
(6) shooting of the scene of the accident.When micro helicopter flight is to certain altitude, camera is opened, it will be arround automobile
Information be filmed, and mobile terminal is passed information to by wireless communication module, is stored in vehicle-mounted black box after processing
It is interior, while also being stored in the included storage card of micro helicopter.
Further, which further includes balloon ejection lift-off logging modle, and after collision accident generation, balloon ejection is risen
Null record module starts balloon ejection lift-off photographing mode, ejects the interior balloon for having compressed helium；The ascending balloon has connection
Line is connect with automobile, while the balloon installs camera module, communication module, memory module, and camera module is mounted on balloon
Bottom, and camera lens is in vertical view mode to ground, it can be achieved that getting a bird's eye view shooting, the communication mould of balloon to automobile and its surrounding progress high-altitude
Shooting video or/and photo are transferred to automobile, and import black box by block, while can also be deposited by what balloon video camera carried
Card storage is stored.
The beneficial effects of the present invention are: the present invention provides a kind of novel vehicle-mounted information recording systems, in original letter
It ceases in record system, the information of driver is also acquired.Specifically acquire the heart rate signal and eye movement of driver
Signal obtains the physiologic information of driver accordingly, the state of mind of driver when aided assessment incident.When law court tries the measurement of penalty
Or when insurance company determines reparation scheme, the state of mind of driver is an important reference data when accident.System packet
Vehicle-mounted helicopter module is included, is completed by helicopter embedded system, after automobile is by a degree of collision, micro helicopter
Automatic takeoff shoots the case where arround automobile, prevents important information that can not be recorded because of reasons such as explosions；According to vapour when accident
The job information of vehicle and the state of mind of driver can farthest restore accident situation.
Detailed description of the invention
Fig. 1 is present system entire block diagram；
Fig. 2 is eye movement Processing Algorithm flow chart of the present invention；
Fig. 3 is helicopter module control system block diagram of the present invention；
Fig. 4 be the invention detects that pickup data；
Fig. 5 be the invention detects that car speed data；
Fig. 6 is driver's state of mind data that one embodiment detects；
Fig. 7 is driver's state of mind data that another embodiment detects.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the present invention provides a kind of vehicle-mounted information recording system based on Internet of Things, including vehicle-mounted black box
Module, vehicle-mounted helicopter module, vehicle-mounted eye movement track obtains module, heart rate obtains module and mobile terminal module.
Vehicle-mounted black box module includes the physical sensors of automobile, obtains the job information of automobile；Helicopter module is in thing
Therefore automobile context information is obtained at the first time after occurring；Eye movement obtains module and obtains the eye movement letter for driving member
Number；Heart rate obtains the heart rate signal that module obtains driver；The clock signal of above-mentioned module (can be vehicle mounted electric by mobile terminal
Brain) it provides, above-mentioned module signal collected is transferred to mobile terminal, is analyzed by its processing；Mobile terminal is to signal processing point
After analysis, data are stored in vehicle-mounted black box.
As shown in Fig. 2, the image that the mobile terminal obtains module input to eye movement carries out recognition of face, product is utilized
Sciagraphy identification pupil is divided to build on the image after edge extracting and binary conversion treatment using Hough transform circle detection method
Vertical eye-face's relative coordinate system carries out accurate positionin and track following to pupil.Eye movement-state of mind relationship is established to judge
Model, according to the relevant parameter of eye movement: such as watching rate, fixation time, eye movement rule attentively, judge the spirit of driver
State.
As shown in figure 3, the vehicle-mounted helicopter module is completed by helicopter embedded system, which includes micro-
Type helicopter, arm processor, wireless communication module, piezoelectric type crash sensor, GPS sensor, altimeter, tachometer of measuring,
Gyroscope and camera sensing device；After automobile is by a degree of collision, micro helicopter automatic takeoff shoots automobile week
By the case where, prevent important information because explosion etc. reasons due to can not be recorded；The vehicle-mounted helicopter module is to accident information
Record the following steps are included:
(1) when piezoelectric type crash sensor detects the collision of some strength, output voltage changes, when it is more than
When setting value, helicopter lift-off；There are two types of helicopter lift-off modes: A, arm processor issues to micro helicopter emit immediately
Instruction emits micro helicopter；B, automatic catapult-launching gear is arranged in the position (generally in roof) of storage helicopter in automobile,
When automatic catapult-launching gear detects car body collision, as the automatic ejection-mode of aircraft pilot seat by unmanned helicopter according to setting
Fixed ejection force F is launched away, and F has preset size and Orientation, guarantees unmanned function ejection to height appropriate and model
It encloses, starts the power supply of unmanned helicopter while ejection, complete initialization, certain altitude, the top on unmanned helicopter are arrived in ejection
Spiral shell instrument detects that the inflection point begun to decline (is exactly that helicopter is cast under power F to parabola highest point, the speed in centrifugal force direction
When Vg=0, acceleration of gravity can detecte the variation of speed vertical direction --- reversed), then automatically turn on helicopter spiral
Paddle, according to the control models balancing helicopter such as helicopter attitude；
(2) under Mode A lift-off mode, when micro helicopter receives firing order, initialization task is first carried out, it is right
Operating system itself and peripheral equipment are initialized；
(3) gesture stability of micro helicopter.Gesture stability is the basis of Miniature Unmanned Helicopter autonomous flight control,
The helicopter embedded system selects PID control method to carry out coordinated control to three rolling, pitching and yaw channels respectively.θ
For pitch angle, φ is roll angle, and ψ is yaw angle, is referred to as attitude angle；P, q, r are helicopter angular speed at three points of body shafting
Amount.Kinematic relation between helicopter attitude angle and angular speed:
The differential equation is solved using numerical value solution, attitude angle is controlled using pid algorithm and angular-rate sensor, stablizes
Control the flight attitude of micro helicopter.
(4) position control of micro helicopter.Fuzzy control method does not need the mathematical model of object, but simulates people's
The mode of thinking control effectively to system, has many advantages, such as strong robustness, is suitble to processing non-linear.Therefore use mould
It pastes control law and designs helicopter closed loop location controller, control micro helicopter certain altitude above automobile does circumference fortune
It is dynamic.
(5) autonomous flight of micro helicopter.According to the posture of micro helicopter, position control principle, using two close cycles
Control the flight of micro helicopter.It is specific as follows: helicopter current location is determined according to the information of GPS, altimeter.According to current
Position exports flight attitude: if height is lower than setting value, exporting the posture flown upwards；If height be higher than setting value, export to
The posture of lower flight；If height exports the flight attitude deflected to the left, it is made to move in a circle in setting value.PID controller
According to the deviation of setting posture and current pose, output control signal controls steering engine, and steering engine controls the flight of micro helicopter.
Current pose obtains helicopter current angular velocity by gyro sensor, then with numerical value solution solution " attitude angle-angular speed "
The differential equation obtains current pose angle.
(6) shooting of the scene of the accident.When micro helicopter flight is to certain altitude, camera is opened, it will be arround automobile
Information be filmed, and mobile terminal is passed information to by wireless communication module, is stored in vehicle-mounted black box after processing
It is interior, while also being stored in the included storage card of micro helicopter.
After the accident, the information in black box can be read in the police or insurance company, and one timing of front and back occurs according to accident
Between data, automobile with the state of driver can differentiate accident responsibility when reduction accident occurs.With traffic accident pedestrian accident together
For, after the accident, read the information in black box.Go into action as shown in figure 4, the t0 moment takes pedestrian for Chinese herbaceous peony camera
At the time of road, time that t1 moment sudden change of acceleration, as driver touch on the brake, it is assumed that (t1-t0) is 3s, when remote super normal reaction
Between 0.3s~1s.As shown in figure 5, automobile driving speed is normal before pedestrian goes into action road, no hypervelocity responsibility.And it is held required for driver
The responsibility of load has much relations with the state of mind before his accident.If read driver information as shown in fig. 6, driver in t0
HR Heart Rate is normal before carving, no drunk driving suspicion；But eye movement is slow, and annotation rate is low, and fixation time is short, according to eye movement-spirit shape
States model judgement: driver, which is most likely because fatigue driving, to cause absent minded, and reaction speed is slower.Driver needs to hold
Carry on a shoulder pole biggish responsibility.And if read driver information as shown in fig. 7, driver is at the t0 moment, heartbeat adds suddenly for the previous period
Speed, that is, being possible as certain reasons leads to nervous or burst disease；And eye movement is normal, it is low to watch rate attentively,
Fixation time is short, and judged according to eye movement-state of mind model: the non-fatigue driving of driver althoughs note that power is low；Comprehensive two modules letter
Breath analysis can obtain: driver, which is most likely because nervous or burst disease, causes attention that can not concentrate, and affects reaction
Speed.For traffic accident caused by two different state of mind, driver's responsibility to be undertaken is significantly different.
In addition to this, very big effect can be also played in other accidents in the system.In car to car impact causing death's thing
In therefore, we can transfer the data of two vehicles collision front and back, if victim has that the rhythm of the heart is obviously abnormal before the collision of two vehicles,
Situations such as expression in the eyes laxes is analyzed in conjunction with the medical history of victim, then the reason of victim's death is caused to be particularly likely that
Because of burst disease, rather than traffic accident.It is clear that when regression analysis one plays traffic accident accident, automotive service state and driver
Reference data of the state of mind under synchronised clock is considerable.
Particular crash after the accident, in addition to helicopter go up to the air screening-mode other than, there are also a kind of balloon ejection lift-off clap
According to mode, yellow or other color balloons (inside having compressed helium) are ejected.The ascending balloon has connecting line to connect with automobile, together
When the balloon camera module, communication module, memory module are installed, camera module is mounted on balloon bottom, and camera lens pair
Ground is in vertical view mode, it can be achieved that getting a bird's eye view shooting to automobile and its surrounding progress high-altitude, the communication module of balloon interior will be shot
Video or/and photo are transferred to automobile, and import black box, while the storage card of the included certain capacity of balloon video camera also carries out
Storage, in case subsequent read.
Balloon screening-mode, it is smaller than miniature helicopter mode in freedom degree and dimensional extent, main cause be by
The limitation of camera angle and position is only capable of providing panorama vertical view birds-eye view, while in post incident, if chain accident is sent out
It is raw, it is likely that cause balloon and automobile connecting line to be damaged, then balloon can fly to aerial (special case: when balloon gravity and lift design
Balance, then can also stop in the sky).
Claims (6)
1. a kind of vehicle-mounted information recording system based on Internet of Things, it is characterised in that: including vehicle-mounted black box module, vehicle-mounted go straight up to
Machine module, vehicle-mounted eye movement track obtain module, heart rate obtains module and mobile terminal module；
The vehicle-mounted black box module collects and records the job information of automobile, including the speed under vehicle driving state, acceleration
Degree and Chinese herbaceous peony image；
The vehicle-mounted helicopter module is completed by helicopter embedded system, which includes micro helicopter, at ARM
Manage device, wireless communication module, piezoelectric type crash sensor, GPS sensor, altimeter, tachometer of measuring, gyroscope and camera
Sensor；After automobile is by a degree of collision, micro helicopter automatic takeoff shoot automobile arround the case where, prevent weight
Want information that can not be recorded because of explosion；
The vehicle-mounted eye movement track obtains module and is completed by camera, obtains driver eye movement track；
The heart rate obtains module and is completed by the hand held heart rate monitor being mounted in vehicle steering wheel, obtains the heart of driver
Rate signal；
The mobile terminal module is completed by vehicle-mounted computer, provides the synchronizing clock signals of each module, and to eye movement signal, heart rate
Signal is handled, and is judged and is recorded the state of mind of driver at that time；
The vehicle-mounted helicopter module to the record of accident information the following steps are included:
(1) when piezoelectric type crash sensor detects the collision of some strength, output voltage changes, when it is more than setting
When value, helicopter lift-off；There are two types of helicopter lift-off modes: A, arm processor issues firing order to micro helicopter immediately,
Emit micro helicopter；B, automatic catapult-launching gear is arranged in the position of storage helicopter in automobile, when automatic catapult-launching gear detects
Car body collision launches away unmanned helicopter according to the ejection force F of setting, and F has preset size and Orientation, guarantees
For the ejection of unmanned function to height appropriate and range, ejection while, starts the power supply of unmanned helicopter, completes initialization, ejection
To certain altitude, the gyroscope on unmanned helicopter detects the inflection point begun to decline, then automatically turns on helicopter screw propeller, press
According to helicopter attitude control mode balancing helicopter；
(2) under Mode A lift-off mode, when micro helicopter receives firing order, initialization task is first carried out, to operation
System itself and peripheral equipment are initialized；
(3) gesture stability of micro helicopter；Gesture stability is the basis of Miniature Unmanned Helicopter autonomous flight control, this is straight
Rising machine embedded system selects PID control method to carry out coordinated control to three rolling, pitching and yaw channels respectively；θ is to bow
The elevation angle, φ are roll angle, and ψ is yaw angle, are referred to as attitude angle；P, q, r are three-component of the helicopter angular speed in body shafting；Directly
Rise the kinematic relation between machine attitude angle and angular speed:
The differential equation is solved using numerical value solution, controls attitude angle, stability contorting using pid algorithm and angular-rate sensor
The flight attitude of micro helicopter；
(4) position control of micro helicopter；Helicopter closed loop location controller is designed using fuzzy control law, is controlled miniature
Helicopter certain altitude above automobile moves in a circle；
(5) autonomous flight of micro helicopter；According to the posture of micro helicopter, position control principle, using double-closed-loop control
The flight of micro helicopter；It is specific as follows: helicopter current location is determined according to the information of GPS, altimeter；According to present bit
It sets, exports flight attitude: if height is lower than setting value, exporting the posture flown upwards；If height is higher than setting value, output is downward
The posture of flight；If height exports the flight attitude deflected to the left, it is made to move in a circle in setting value；PID controller root
According to the deviation of setting posture and current pose, output control signal controls steering engine, and steering engine controls the flight of micro helicopter；When
Preceding posture obtains helicopter current angular velocity by gyro sensor, then micro- with numerical value solution solution " attitude angle-angular speed "
Divide equation, obtains current pose angle；
(6) shooting of the scene of the accident；When micro helicopter flight is to certain altitude, camera is opened, by letter arround automobile
Breath is filmed, and passes information to mobile terminal by wireless communication module, is stored in vehicle-mounted black box after processing, together
When also be stored in the included storage card of micro helicopter.
2. a kind of vehicle-mounted information recording system based on Internet of Things according to claim 1, it is characterised in that: to driver
Eye movement, heart rate synchronize collection analysis, judge the state of mind of driver accordingly；Subsequent read in black box stores
Information, the state of mind of the job information of automobile and driver when can understand incident.
3. a kind of vehicle-mounted information recording system based on Internet of Things according to claim 1, it is characterised in that: acquisition has
The eyeball moving track of dynamic characteristic directly reacts the physiological status of human body as basic data, can be to eyeball moving track
It is accurately positioned and is acquired, accurately judge the state of mind of driver accordingly.
4. a kind of vehicle-mounted information recording system based on Internet of Things according to claim 1, it is characterised in that: according to eye movement
Track judges whether driver diverts attention when meeting accident or entered fatigue state；Worked as according to the speed auxiliary judgment driver of heart rate
When emotional state.
5. a kind of vehicle-mounted information recording system based on Internet of Things according to claim 1, it is characterised in that: the movement
The image that terminal obtains module input to eye movement carries out recognition of face, pupil is identified using integral projection method, using Hough
Circle detection method is converted, eye-face's relative coordinate system is established on the image after edge extracting and binary conversion treatment, to pupil
Hole carries out accurate positionin and track following；Eye movement-state of mind relationship scoring model is established, according to the relevant parameter of eye movement
Judge the state of mind of driver, the relevant parameter of the eye movement includes watching rate, fixation time, eye movement rule attentively.
6. a kind of vehicle-mounted information recording system based on Internet of Things according to claim 1, it is characterised in that: the system is also
Lift-off logging modle is launched including balloon, after collision accident generation, balloon ejection lift-off logging modle starting balloon ejection is risen
Empty photographing mode ejects the interior balloon for having compressed helium；The ascending balloon has connecting line to connect with automobile, while the balloon is pacified
Camera module, communication module, memory module are filled, camera module is mounted on balloon bottom, and camera lens is in overlook mould to ground
Formula gets a bird's eye view shooting, it can be achieved that carrying out high-altitude to automobile and its surrounding, and the communication module of balloon passes shooting video or/and photo
It is defeated by automobile, and imports black box, while being stored by the storage card that balloon video camera carries.
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| CN104827906B (en) * | 2015-02-28 | 2017-08-11 | 南京邮电大学 | A kind of drunk driving crime prevention system based on radio sensing network |
| CN104680714A (en) * | 2015-03-24 | 2015-06-03 | 北京嘀嘀无限科技发展有限公司 | Method and system for sending prompts to user |
| CN105460218A (en) * | 2015-12-18 | 2016-04-06 | 苏州贝多环保技术有限公司 | Novel intelligent automobile |
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