CN109817056A - Driving behavior data acquisition device and assessment device based on vehicle drive - Google Patents
Driving behavior data acquisition device and assessment device based on vehicle drive Download PDFInfo
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Abstract
The present invention provides a kind of driving behavior data acquisition device and assessment device based on vehicle drive, the data acquisition device includes: pressure acquisition pad, at least one pressure sensor is distributed on the pressure acquisition pad, for acquiring the pressure of subject at least one position of vola；Acceleration transducer, for sensing the acceleration of subject foot；Wireless communication module, for carrying out wireless communication；First processor connects the pressure acquisition pad, the acceleration transducer and the wireless communication module, transmits data to external device (ED) for receiving the data from the pressure acquisition pad and the acceleration transducer, and by the wireless communication module.
Description
Technical field
The present invention relates to a kind of human parameters detection technique field more particularly to a kind of driving behaviors based on vehicle drive
Data acquisition device and assessment device.
Background technique
Driving simulation system refers to the driving environment that the simulation come is erected in drive simulating room, as shown in Figure 1, simulation
Control loop includes Driving Scene simulator, the full encirclement display screen 2 with front, for Driving Scene simulation, drive
The environmental simulation of room is sailed, driving simulation system further includes the station 3 of simulated automotive, and steering wheel 6, gas pedal 4, brake are stepped on
Some simulation yards similar with real vehicles such as plate 5, clutch pedal 8 (manual gear vehicle), left foot rest pedal 9, gearshift
Scape.3 scene cameras 1,7,10 are additionally provided in drive simulating room, vehicle front, rear and driver are recorded in shooting respectively
Position, wherein for shooting vehicle front, the camera 1,7 at rear can shoot the Driving Scene of vehicle, driven for shooting
The camera 10 of the person of sailing position can shoot the facial expression of driver, so as to analyze the reaction of driver, based on driving
The reaction of member generates corresponding interaction scenarios.In addition, being additionally provided with the sensing being mounted on manipulation device in drive simulating room
Device, for acquiring the Driving Operation of Motor Vehicles of driver.It can build one using vehicle driving simulator combination virtual reality emulation technology
A virtual driver training environment, people are interacted by the operating member of vehicle driving simulator with virtual environment, thus into
Row driver training.
Although existing vehicle driving simulator can simulate Training scene and carry out driving instruction by the interaction with driver
Practice, but current vehicle driving simulator only pass through judge user's face expression and manipulation sensor operation often can not be very smart
Really, the root that driver drives problem is rapidly found out, also can not preferably analyze driving behavior and psychology to driver training
Influence, to be difficult to more targeted be trained and correct.
Thus, the assessment precision of the driving behavior of drive simulating training how is improved, training for promotion effect is one and needs
It solves the problems, such as.
Summary of the invention
In consideration of it, the present invention devises a kind of driving behavior data acquisition device and assessment device based on vehicle drive,
To solve at least one defect existing in the prior art.
The technical scheme adopted by the invention is that:
On the one hand, the present invention provides a kind of driving behavior data acquisition device based on vehicle drive, which includes:
At least one pressure sensor is distributed on the pressure acquisition pad in pressure acquisition pad, for acquiring subject vola extremely
The pressure of a few position；
Acceleration transducer, for sensing the acceleration of subject foot；
Wireless communication module, for carrying out wireless communication；
First processor connects the pressure acquisition pad, the acceleration transducer and the wireless communication module, uses
In data of the reception from the pressure acquisition pad and the acceleration transducer, and it is outside to pass through the wireless communication module
Part device transmits data.
Preferably, device further include: the first photographic device is used to shoot subject face-image；First processing
Device is also used to based on subject face-image identification facial expression, to generate expression event in the case where identifying particular emotion
Label.
Preferably, the device further include: the second photographic device, for shooting vehicle environmental video；The first processor
It is also used to based on vehicle environmental video identification vehicle driving scene, to generate field in the case where identifying specific Driving Scene
Scape event tag.
Preferably, the acceleration transducer is 3-axis acceleration sensor；The pressure acquisition pad is multiple to be disposed with
The matrix form pressure acquisition pad of pressure sensor, for detecting the pressure of subject vola different location.
Preferably, the first processor is also used to the generation when detecting that the change rate of the acceleration reaches predetermined value
It is tested foot-propelled event tag.
On the other hand, the present invention provides a kind of driving behavior assessment device based on vehicle drive, which includes:
Wireless communication module, for being received by wireless communication from the driving behavior data acquisition dress based on vehicle drive
The plantar pressure data and foot's acceleration information set；And
Assessment processing unit generates foot pressure hotspot graph based on the plantar pressure data, and according to scheduled driving
Behavior decision model is tested driving behavior to determine based on the plantar pressure data and foot's acceleration information.
Preferably, the assessment processing unit is also received by the wireless communication module and is acquired from driving behavior data
The subject face image data of device and expression event tag based on particular emotion.
Preferably, the plantar pressure data are that the matrix form pressure acquisition pad with multiple pressure sensors is surveyed from vola
The pressure data of the different location obtained.
Preferably, the assessment processing unit is also received by the wireless communication module and is acquired from driving behavior data
Device at subject foot-propelled event tag and/or scene event label.
Preferably, the assessment processing unit determines driving behavior element weight based on received event tag, and is based on
Driving behavior element weight carries out subject driving behavior assessment.
The pressure that the present invention can acquire the acceleration transducer data for embodying foot's acceleration and embody foot force passes
Sensor data, and driving behavior is more accurately analyzed based on the data of acquisition.
Further, the embodiment of the present invention can also acquire facial expression data, and generate event under particular emotion
Label, with based on influence of the event tag analysis driver psychology to driving behavior, thus it is more targeted be trained and
It corrects.
Further, it for the data of acceleration transducer, can also be produced when rate of acceleration change is greater than predetermined threshold
Raw event tag, in order to analyze the corresponding time point driver of the event tag each behavioral data (such as foot force,
Facial expression, acceleration transducer are to the foot action withdrawn deposit out), to find out the root that driver drives problem, improve instruction
Practice effect.
Attendant advantages, purpose and feature of the invention will will be partly illustrated in the following description, and will be right
Partly become obvious after research hereafter in those of ordinary skill in the art, or can practice according to the present invention and obtain
Know.Objectives and other advantages of the present invention can be by specifically noting in written explanation and its claims and attached drawing
Structure realize to and obtain.
It will be appreciated by those skilled in the art that can be not limited to the objects and advantages that the present invention realizes above specific
It is described, and the above and other purpose that the present invention can be realized will be more clearly understood according to following detailed description.
Figure of description
Fig. 1 is the schematic diagram of existing driving simulation system；
Fig. 2 is the block diagram representation of driving behavior data acquisition device in one embodiment of the invention；
Fig. 3 is the block diagram representation of driving behavior data acquisition device in another embodiment of the present invention；
Fig. 4 is the schematic diagram in the pressure acquisition area of plantar pressure acquisition device in one embodiment of the invention；
Fig. 5 is the schematic diagram of the pressure acquisition insole of plantar pressure acquisition device in one embodiment of the invention；
Fig. 6 is not connected with display state diagram when host computer for plantar pressure acquisition device in one embodiment of the invention；
Display state diagram when Fig. 7 is plantar pressure acquisition device connection host computer in one embodiment of the invention；
Fig. 8 to Fig. 9 is that plantar pressure acquisition device connects host computer and in different stress shapes in one embodiment of the invention
Schematic diagram under state.
Specific embodiment
In the following, the preferred embodiment of the present invention is described in detail.The example of these preferred embodiments is in attached drawing
In illustrated.The embodiments of the present invention described shown in attached drawing and with reference to the accompanying drawings are only exemplary, and this
The technical spirit and its primary operational of invention are not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention
Other details.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, element, step or component when using herein, but
The presence or additional of one or more other features, element, step or component is not precluded.
Here, it should also be noted that, if term " connection " can not only refer to directly herein without specified otherwise
Connection, can also indicate being indirectly connected with there are intermediary.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
In the application of existing driving simulation system, acceleration information caused by foot action is used to simulate and be driven by nobody
The more accurate analysis of the drive simulating behavior of the person of sailing (subject, referred to as be tested), nobody is by the simulation of drive simulating person
Driving behavior is associated with the psychological factor of drive simulating person, and also nobody by plantar pressure analysis be used for driver
Improper driving behavior.That is, the prior art does not use the factors such as plantar pressure, foot's acceleration and/or subject's psychology
In the test, evaluation or training of subject's driving behavior.For this purpose, in embodiments of the present invention, by the acceleration of acceleration transducer
Degree evidence and subject's sole, embody the pressure data that user foot is subject to and be acquired, and be applied to user's driving behavior
Test and analysis, so that more accurately analyzing influence is by the factor of envoy's driving behavior, so as to more targetedly carry out
Training improves training effect.Further, it is also contemplated that the psychological factor of subject is driven caused by factor at heart to find out
Sail behavioral problem.
Fig. 2 is the block diagram representation of driving behavior data acquisition device in one embodiment of the invention.As shown in Fig. 2, the number
It include: pressure acquisition pad 110, acceleration transducer 120, wireless communication module 130 and processor 100 according to acquisition.Wherein, it presses
At least one pressure sensor is distributed on power acquisition pad 110, for acquiring the pressure of subject at least one position of vola；Add
Velocity sensor 120 is used to sense the acceleration of subject foot；Wireless communication module 130 is used to carry out with external device (ED) wireless
Communication；Processor 100 connects pressure acquisition pad 110, acceleration transducer 120 and wireless communication module 130, comes for receiving
From the data of pressure acquisition pad and acceleration transducer, and by wireless communication module to external device (ED) transmit data.
In an embodiment of the present invention, pressure acquisition pad 110 can be plantar pressure acquisition insole.Shown in Fig. 5 shows
In example, it is matrix form pressure acquisition insole that plantar pressure, which acquires insole, and so-called matrix form pressure acquisition insole refers to cloth on insole
Multiple pressure sensors are equipped with, for acquiring the pressure being subject at the different location of vola, the pressure sensor arranged on insole can
It arranges with rule or irregularly.In Fig. 5, plantar pressure acquisition insole is provided with 16 pressure sensors, can read foot
The pressure that 16, bottom position is subject to, i.e. matrix form pressure acquisition insole have the pressure sensing being made of 16 pressure acquisition points
Device matrix, but the present invention is not limited thereto, and more or fewer pressure acquisition points can also be arranged.6.1 in Fig. 5,6.2,
6.3,6.4 represent the pressure stress condition of toe position, 1.1,1.2,1.3,1.4,5.4 represent the pressure of forefoot by
Power situation, 2.2,2.3,2.4 represent the pressure stress condition in the middle part of vola, and 4.2,4.3,3.2,3.3 represent the pressure of rear heel
Stress condition.Present invention employs the pressure measurement modes of matrix form, ensure that the abundance of sole pressure test point quantity, protect
Each position (test point) of card plantar pressure is all monitored.The acquisition of the plantar pressure of two feet is mainly being simulated
In vehicle travel process, subject control vehicle accelerate, slow down, emergency processing when to each pedal (gas pedal,
Brake pedal, clutch pedal, left foot rest pedal) plantar pressure data acquisition, the pressure data based on acquisition can be with
Hotspot graph is generated, this will carry out exemplary description below.
In an embodiment of the present invention, acceleration transducer 120 can be placed in the ankles bit or other energy bodies of testee
The position of existing foot motion state.Acceleration transducer is preferably 3-axis acceleration sensor, for from orthogonal three
Foot's acceleration is measured on direction (on such as orthogonal X, Y, Z axis direction), wherein the direction of X, Y, Z axis can be by first
Definition begin to determine, for example, can will be perpendicular to the direction of foot palm surface, be parallel to the direction of foot palm surface direction toe and put down
The capable direction in foot palm surface direction foot side is as orthogonal X, Y, Z axis direction, but the present invention is not limited thereto.In addition,
In an embodiment of the present invention, using acceleration transducer 120 to the acquisition of acceleration mainly acquire be two aspect number
According to initial data in X, Y, Z axis and the angle value calculated by initial data, the initial data in X, Y, Z axis is main
For judging in driving, whether be tested the control severity to each pedal, judging to be tested has the fierce behavior driven,
The angle value calculated mainly measures the depth value that subject steps on each pedal each time.What acceleration transducer 120 acquired
Data are transferred to processor 100, carry out data processing by processor 100 and are uploaded to host computer.
In some embodiment of the invention, wireless communication module 130 can be long-range or short-range wireless communication module, such as blue
Tooth wireless communication module, Wi-Fi wireless communication module etc., but the present invention is not limited thereto.In other embodiments of the present invention,
Wireless communication module can also be replaced by wire communication module, to be communicated by wired mode.
In some embodiment of the invention, processor 100 (first processor) can be realized by single-chip microcontroller or PLC etc.,
Can also there are other kinds of processor or microprocessor to realize.Processor 100 can be used as slave computer and host computer phase
Even, to the data of host computer transmission acquisition, to show that the data of acquisition, or display are adopted on the display interface of upper pusher side
The intuitive schematic diagram that the data of collection are formed, such as hotspot graph.Further, in a preferred embodiment of the invention, processor 100 may be used also
To carry out data processing to the data of acquisition, based on the determining generation carrying in the case where reaching predetermined condition of the data of acquisition
The event tag of temporal information, and the data by event tag together with acquisition are sent to host computer.
In embodiments of the present invention, as shown in figure 4, plantar pressure acquires insole 110, the primary control box for handling data
Data connecting line 102 between (i.e. processor) 100 and plantar pressure acquisition insole 110 and primary control box 100 constitutes vola
Pressure acquisition device, to acquire the pressure in vola and be uploaded to host computer.Primary control box 100 can be single-chip microcontroller or PLC, but this
Invention is not limited to this.Acceleration transducer can be connected to primary control box 100, so that primary control box 100 and acceleration transducer one
Play composition acceleration acquisition device.
In the case where pressure acquisition device is not connect with host computer, plantar pressure shoes that the display interface of host computer is shown
The stress condition of pad is as shown in fig. 6, the corresponding pressure detecting region of insole is presentation black when not connected.In pressure acquisition
In the case that device has been connect with host computer, the stress condition for the plantar pressure insole that the display interface of host computer is shown is such as
Shown in Fig. 7, or as shown in Fig. 8 or Fig. 9, the deeper region stress of color is bigger.Wherein, it is basic to show pressure insole by Fig. 7
It is not affected by state when pressure.What Fig. 8 and Fig. 9 were indicated is that pressure acquisition device has been connect with host computer, and because of subject
The different firmly situations that apply and the pressure sensor data that collects and based on the original number from pressure sensor
According to the hotspot graph of generation.As illustrated in figs. 8-9, hot spot can be generated based on the pressure data that each pressure testing point detects
Figure can visually see subject in which position pressure maximum, so as to judge that subject foot uses based on hotspot graph
Whether power position is accurate.In addition, thering is column progress bar to show each pressure detecting on the left of display interface as shown in Fig. 6-Fig. 9
The stress condition of point, progress bar illustrate that pressure has reached maximum state of value when full.Further, it is also possible in the display interface in real time
Show the corresponding data of plantar pressure, such as the voltage value data received shown in Fig. 7-Fig. 9, the voltage value data and pressure
Power is directly proportional.
In exemplary embodiments of the present invention, the acquisition of matrix pressure can be used high-precision analog-digital converter (ADC) into
Row acquisition.ADC can be used 24bit and carry out data acquisition, and for example in 1024Hz, such high sampling rate ensure that sample frequency
The accuracy that data acquire and the reducibility to data.Precision, that is, sample frequency of ADC as above is merely illustrative, and the present invention is simultaneously
It is without being limited thereto, but be also based on actually detected demand and reasonably changed.
After plantar pressure acquisition insole powers on, the signal of each sensor output can carry out the first order by follower on insole
Amplification, is then filtered out Hz noise by the power frequency notch filter of 50Hz, and carry out second level amplification, using 0.1Hz's
Then high pass carries out modulus data conversion after the low pass of 1024Hz, the data transmission of the discrete signal after conversion is given
Single-chip microcontroller (first processor), then single-chip microcontroller sends data to host computer by modes such as bluetooths or Wi-Fi.Due to foot
Bottom pressure acquisition insole includes the pressure sensor of matrix form arrangement, and the mode that Time share scanning can be used in single-chip microcontroller acquires each
The value of pressure sensor.Then data are stored and is sent to host computer.
For single-chip microcontroller while acquiring the data of plantar pressure acquisition insole, also acquisition carrys out the acceleration of acceleration sensor
Angle value, and the acceleration information for being based further on acquisition calculates the variation of acceleration value.According to the rate of change of the value of acceleration
Judge whether subject is in fierce driving condition, if rate of acceleration change is greater than predetermined threshold, acceleration quickly changes
Moment single-chip microcontroller can to record in data add an event tag, that is, generate an event tag be added to acquisition
Data in, to record the value of each data at that time under scene and be identified by event tag, in post analysis
The data near time point recorded based on event tag determine whether there is fierce drive or whether in processing burst thing
Part.The variation of acceleration value as described above can be the change of a certain component of the acceleration value in all directions in (X, Y, Z axis)
Change, is also possible to the variation of total acceleration value.
After single-chip microcontroller obtains the raw value of acceleration information, acceleration and each can be calculated according to initial data
Angle between a axis, following formula:
The Z axis of acceleration transducer be naturally coordinate Z axis angle,
The X-axis of acceleration transducer be naturally coordinate X-axis angle,
The Y-axis of acceleration transducer be naturally coordinate Y-axis angle,
Wherein, Ax,Ay, AzIt is the initial data read out from acceleration transducer；Represent the XYZ axis of acceleration transducer
Measure obtained acceleration information.
It can determine whether the depth for the foot pedal that subject steps on and the change rate of angle by the angle value calculated, and store
Data.And the variation based on acceleration value generates the event tag for embodying step moving situation in real time, is referred to as tested foot-propelled event
Label.In a real case, by measuring the suddenly change of acceleration, software view produces an event tag, and remembers
The acquisition situation of all data of scene at that time under record, more targetedly to carry out driving behavior analysis.
Host computer may include processor (second processor), communication module and display unit, for mould by wireless communication
Block receives the data from slave computer, received data is stored in local or cloud, to carry out driving behavior analysis.It receives
Data can also be shown on the display unit.The plantar pressure number that host computer is acquired based on acquisition device shown in Fig. 2
According to acceleration information a comprehensive assessment and training can be made in field of traffic to subject.Host computer can also be right
The driving behavior of numerous subjects and its corresponding plantar pressure data and foot's acceleration information carry out big data analysis, with
The association between the driver behavior (such as driving habit) of subject and driving behavior is analyzed more accurately, thus more targetedly
Ground is trained, and improves training effect.In the embodiment of the present invention, second processor is mainly used for the progress of the data based on acquisition
Driving behavior assessment processing, therefore also referred to as assessment processing unit.
For example, the hotspot graph based on drafting can intuitively see the distribution of the pressure size situation and pressure of subject foot
Situation.Color shows that the power used is bigger more deeply feeling.Pass through the acquisition of pressure data and the acquisition of acceleration information, it can be determined that
The exception of the driving behavior of this subject and prompt are directed to the training of the exception out.For example, driving behavior process of the acquisition to subject
In to plantar pressure data and foot's acceleration information after, according to acceleration information accompany judgement subject for fierceness drive, according to
The data of plantar pressure judge that throttle foot position is trampled through common arch, and there is no data for tiptoe, according to pre-established judgement
Model can determine whether by big data analysis as driving behavior exception, and erroneous point drives in fierceness, and arch tramples.And it proposes
Training points are smooth ride, and tiptoe is trampled.
It is the acquisition to plantar pressure data and foot's acceleration information as described above, and is based on plantar pressure data
The assessment of driving behavior is carried out with foot's acceleration information.Fig. 3 gives driving behavior data in another embodiment of the present invention and adopts
The block diagram representation of acquisition means.As shown in figure 3, driving behavior data acquisition device is in addition to including pressure acquisition shown in Figure 2
Except pad 110, acceleration transducer 120, wireless communication module 130 and processor 100, it may also include multiple cameras 140.
Multiple camera for example may include: the first photographic device for shooting subject's face-image, and shooting vehicle ring
The second photographic device of one or more of border video, second photographic device are preferably used for before shooting simulating vehicle respectively
Two cameras of side and rear, i.e. front camera and rear camera, but the present invention is not limited thereto, and can also be more or fewer
Camera.
Front camera and rear camera is responsible for normal recording vehicle environmental video and is passed video by single-chip microcontroller (first processor)
It send to host computer to give over to subsequent driving behavior analysis, is a foundation for judging driving behavior.In the preferred embodiment of the present invention
In, single-chip microcontroller is also based on vehicle driving scene locating for vehicle environmental video identification vehicle and is decided whether according to scene
Active transmission scene event marks (or label), to generate scene event mark in the case where identifying specific Driving Scene
Label.As an example, there is barrier on charge station, road surface when complex situations occurs in scenic picture, such as excessively in the case where simulated scenario
When hindering object, the video identification that single-chip microcontroller can be shot based on front camera and rear camera goes out corresponding scene, and is pre- in the scene identified
Under the fixed scene (such as pass through charge station, have roadblock, front to have pedestrian's scene) for needing to be arranged event tag, single-chip microcontroller can
The case where generating an event tag from software view, and recording all acquisition data under scene at that time.
The camera (the first camera) of operator seat is used to shoot the facial expression of driver's (subject) and passes through single-chip microcontroller
(first processor) is uploaded to host computer.In a preferred embodiment of the invention, single-chip microcontroller can also identify facial expression and basis
The real-time recognition result of facial expression decides whether active transmission event flag.When human facial expression recognition result is scheduled
When facial expression (such as indignation, panic, anxiety) for needing to pay close attention to, single-chip microcontroller can generate one from software view and be used for
Particular emotion, carrying temporal information expression event tag is identified, is transmitted together with the face image data currently acquired
To host computer.Host computer can be according to whether the weight for having event tag to determine that facial expression weight influences driving behavior.Example
Such as, when angry facial expression occurs in facial expression, SCM system can generate a label thing according to the result of this indignation
Part label is simultaneously sent to host computer with the expression data acquired together, in order to personnel one of subsequent data analysis
Prompt, is the expression for the indignation which situation results in driver or subject, and analysis personnel can combine plantar pressure data
And acceleration information, it is analyzed there are also the data of front camera and rear camera and finds out reason.
In embodiments of the present invention, the assessment processing of host computer is single to generate foot pressure hot spot based on plantar pressure data
Figure, and determined based on plantar pressure data and foot's acceleration information by test ride according to scheduled driving behavior decision model
Sail behavior.Can also be based on according to scheduled driving behavior decision model plantar pressure data, foot's acceleration information and by
It tries facial expression and is tested driving behavior to test and assess.
Testing and assessing, also module receives the subject face from driving behavior data acquisition device to processing unit by wireless communication
Image data and expression event tag based on particular emotion.Further, assessment processing unit can also be by wireless communication
Module receive from driving behavior data acquisition device at subject foot-propelled event tag and/or scene event label.At assessment
Reason unit, which is based on received event tag, can determine driving behavior element weight, and carry out quilt based on driving behavior element weight
Try driving behavior assessment.Here, driving behavior element may include that vola jams on the pedal depression operation element of pedal, foot moves
Dynamic mobile element, vehicle scene element and subject facial expression element etc..By these elements of comprehensive analysis and drive row
For relationship, can more accurately test and assess to the driving behavior of subject, and provide more effective training program.
Further, in embodiments of the present invention, the assessment processing unit of host computer or the processor of slave computer may be used also
The feedback information for being directed to specific behavior element is generated with the identification based on the data to acquisition, and in the indoor mould of drive simulating
It is quasi- to drive display reminding information or play cuing voice messaging on display screen.For example, if there is nervous expression, assessment in subject
Processing unit can send nervous hint instructions to slave computer, should not mistake to be loosened by voice or display interface prompt subject
In anxiety, etc., so as to greatly improve trained experience.
The embodiment of the present invention is applicable not only to the driver training of field of traffic subject, it may also be used for the driving row of big data
For analysis.
In conclusion the present invention can acquire the acceleration transducer data for embodying foot's acceleration and embody foot force
Pressure sensor data, and more accurately analyze driving behavior based on the data of acquisition.
Further, the embodiment of the present invention can also acquire facial expression data, and generate event under particular emotion
Label, with based on influence of the event tag analysis driver psychology to driving behavior, thus it is more targeted be trained and
It corrects.
Further, it for the data of acceleration transducer, can also be produced when rate of acceleration change is greater than predetermined threshold
Raw event tag, in order to analyze the corresponding time point driver of the event tag each behavioral data (such as foot force,
Facial expression, acceleration transducer are to the foot action withdrawn deposit out), to find out the root that driver drives problem, improve instruction
Practice effect.
It is also possible to big data analysis be carried out based on subject data, more accurately to analyze each driving row
Influence for element to driving behavior can more accurately test and assess to the driving behavior of subject, and provide more effective instruction
Practice scheme.
In addition, the present invention also has the advantages that others are obvious or unconspicuous, will not repeat them here.
It should be clear that the invention is not limited to specific configuration described above and shown in figure and processing.
For brevity, it is omitted here the detailed description to known method.In the above-described embodiments, it has been described and illustrated several
Specific step is as example.But method process of the invention is not limited to described and illustrated specific steps, ability
The technical staff in domain can be variously modified, modification and addition, or change the step it after understanding spirit of the invention
Between sequence.
Those of ordinary skill in the art should be it will be appreciated that each example described in conjunction with embodiment disclosed herein
The component part of property, device and method can be realized with the combination of hardware, software or the two.Specifically actually with hardware
Or software mode executes, specific application and design constraint depending on technical solution.Professional technician can be right
Each specific application is to use different methods to achieve the described function, but this realization is it is not considered that exceed this hair
Bright range.When realizing in hardware, electronic circuit, specific integrated circuit (ASIC), appropriate solid may, for example, be
Part, plug-in unit, function card etc..When being realized with software mode, element of the invention is used to execute the program of required task
Or code segment.Perhaps code segment can store in machine readable media program or the data by carrying in carrier wave are believed
It number is sent in transmission medium or communication links." machine readable media " may include capableing of appointing for storage or transmission information
What medium.The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM
(EROM), floppy disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can via such as because
The computer network of special net, Intranet etc. is downloaded.
In the present invention, feature embodiment description and/or illustrated for one can be in one or more other realities
It applies in mode and uses in the same manner or in a similar manner, and/or combine with the feature of other embodiments or replace other
The feature of embodiment.
It should be noted that above-described embodiment is only the scope of the patents illustrated the present invention without limiting the present invention, Ren Heji
It, should all be in scope of patent protection of the invention in equivalents technology of the invention.
Claims (10)
1. a kind of driving behavior data acquisition device based on vehicle drive, which is characterized in that the device includes:
At least one pressure sensor is distributed on the pressure acquisition pad in pressure acquisition pad, for acquiring subject vola at least one
The pressure of a position；
Acceleration transducer, for sensing the acceleration of subject foot；
Wireless communication module, for carrying out wireless communication；
First processor connects the pressure acquisition pad, the acceleration transducer and the wireless communication module, for connecing
The data from the pressure acquisition pad and the acceleration transducer are received, and pass through the wireless communication module to external device (ED)
Transmit data.
2. the apparatus according to claim 1, which is characterized in that the device further include:
First photographic device is used to shoot subject face-image；
The first processor is also used to based on subject face-image identification facial expression, the case where identifying particular emotion
Under, generate expression event tag.
3. the apparatus according to claim 1, which is characterized in that the device further include:
Second photographic device, for shooting vehicle environmental video；
The first processor is also used to based on vehicle environmental video identification vehicle driving scene, to identify specific driver training ground
In the case where scape, scene event label is generated.
4. the apparatus according to claim 1, it is characterised in that:
The acceleration transducer is 3-axis acceleration sensor；
The pressure acquisition pad is the matrix form pressure acquisition pad for being disposed with multiple pressure sensors, for detecting subject vola not
With the pressure of position.
5. the apparatus according to claim 1, it is characterised in that:
The first processor is also used to generate subject foot-propelled thing when detecting that the change rate of the acceleration reaches predetermined value
Part label.
6. a kind of driving behavior assessment device based on vehicle drive, which is characterized in that the device includes:
Wireless communication module, for being received by wireless communication from the driving behavior data acquisition device based on vehicle drive
Plantar pressure data and foot's acceleration information；And
Assessment processing unit generates foot pressure hotspot graph based on the plantar pressure data, and according to scheduled driving behavior
Decision model is tested driving behavior to determine based on the plantar pressure data and foot's acceleration information.
7. assessment device according to claim 6, which is characterized in that the assessment processing unit also passes through the channel radio
Believe that module receives the subject face image data from driving behavior data acquisition device and the expression thing based on particular emotion
Part label.
8. assessment device according to claim 6, which is characterized in that the plantar pressure data are to pass with multiple pressure
The pressure data for the different location that the matrix form pressure acquisition pad of sensor is measured from vola.
9. assessment device according to claim 7, which is characterized in that the assessment processing unit also passes through the channel radio
Believe module receive from driving behavior data acquisition device at subject foot-propelled event tag and/or scene event label.
10. assessment device according to claim 6, which is characterized in that the assessment processing unit is based on received event
Label determines driving behavior element weight, and carries out subject driving behavior assessment based on driving behavior element weight.
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