CN104181819B - Human brain attention assessment system and car mould driving environment thereof under drive simulating environment - Google Patents
Human brain attention assessment system and car mould driving environment thereof under drive simulating environment Download PDFInfo
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- CN104181819B CN104181819B CN201410381256.1A CN201410381256A CN104181819B CN 104181819 B CN104181819 B CN 104181819B CN 201410381256 A CN201410381256 A CN 201410381256A CN 104181819 B CN104181819 B CN 104181819B
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Abstract
The invention discloses human brain attention assessment system and car mould driving environment thereof under a kind of drive simulating environment.This assessment system includes electroencephalogramsignal signal acquisition module, car mould control module, remote controller control module, host computer processing module, by brain electricity bluetooth earphone, remote controller, being in communication with each other between car mould and host computer, jointly realize the brain electricity attention parameter acquisition under drive simulating environment, monitoring and the statistics of violation driving information, thus carry out adequate preparation for the relation between assessment safe driving and attention.This car mould driving environment includes simulating highway, Che Mo, operating board and control station, and this car mould driving environment demonstrates the low situation of attention and traffic violations phenomenon easily occurs, and analyzes the relation having drawn attention with the traffic violation；There is provided attention training platform for driver's individuality, help its attention in driving procedure stable in the indication range of safe driving as far as possible, thus reduce the traffic violation and vehicle accident.
Description
Technical field
The present invention is to note the design of force estimation system, mutual relation between human brain attention and traffic violations under drive simulating environment under drive simulating environment based on brain electricity, evaluates the attention degree that driver safety is driven.It is applied to, among traffic driving, monitor attention situation, intervenes and correct driving behavior in violation of rules and regulations, the generation of minimizing vehicle accident.
Background technology
Attention and brain electricity have natural contact.Since the sixties in last century, scientist has carried out a large amount of electrophysiological research to cognitive psychology and neuroscience, especially to human brain produced specific brain regions electricity (electroencephalogram under various regimes, EEG) signal has carried out systematic research, has drawn many significant results.Along with scientist's understanding bioelectric to brain deeply, brain-computer interface (brain computer interface, BCI) technology becomes a new application in recent years.It is a kind of bioelectrical signals utilizing human brain, enters computer disposal, a kind of technology being controlled external equipment, and it is a kind of brand-new man-machine interaction mode, and its research is significant.The means that visible BCI exchanges with the external world as a kind of mankind brand-new, that do not rely on muscle, the most directly control by understanding the thinking activities of people and exchange, among driving for traffic, monitor attention situation, intervene correction driving behavior in violation of rules and regulations and there is the strongest social meaning.Prior art does not also have human brain attention assessment system under drive simulating environment.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides human brain attention assessment system and car mould driving environment thereof under a kind of drive simulating environment.
The technical scheme is that
Human brain attention assessment system under drive simulating environment, including Mindwave Mobile electroencephalogramsignal signal acquisition module, car mould control module, remote controller control module, host computer processing module, described car mould control module sends communication request by wireless host to host computer processing module, wireless host is by the violation information of record, car mould operation information wireless is sent to host computer processing module from machine by first, the EEG signals gathered is transmitted to host computer processing module by described Mindwave Mobile electroencephalogramsignal signal acquisition module by Bluetooth adapter, after wireless host and Mindwave Mobile electroencephalogramsignal signal acquisition module being transmitted the signal decoding come reading process by host computer processing module, the situation of attention is sent to car mould control module；When car mould control module sends communication request by wireless host to remote controller control module, remote controller control module is by the value of each remote-control channel of collection, wireless being sent to car mould control module from machine by second, car mould control module is used for controlling car mould and runs after resolving data checking treatment.
Further, described electroencephalogramsignal signal acquisition module includes that the eeg data collected is sent to PC by the bluetooth of standard agreement by Mindwave Mobile brain electricity bluetooth earphone and PC, described Mindwave Mobile brain electricity bluetooth earphone；Work as Mindwave
Produce when the data that Mobile brain electricity bluetooth earphone sends are received by the blue tooth serial equipment of PC and interrupt, enter and interrupt performing function, the data of serial ports relief area are read out completely and is put in buffering array, when searching the element of array until finding the frame head of two continuous print 0xaa, it is judged that whether data payload length is 32 bytes, the most then read 32 load datas, otherwise continue to search for, until the ending of buffering array, and exit interruption, wait and interrupt arriving next time；After obtaining effective eeg data, the brain electricity gathered is noticed that force value carries out glide filter, then obtain final brain electricity and note force value, and show on host computer.
The car mould driving environment of human brain attention assessment system under a kind of above-mentioned drive simulating environment, including simulation highway, Che Mo, operating board and control station；
Described simulation highway is made up of white KT plate, and edge posts black belt, random arrangement barrier on Edge check, simulation highway, for changing the traveling complexity of car mould；
It is provided with photoelectric sensor on described car mould, photoelectric velocity measurement module, picture pick-up device, before described photoelectric sensor is arranged at car mould, after, left, right, left front, left back, before the right side, right position, for detecting, driving is the most ever-present includes line ball orientation, the behavior of side swipe, described photoelectric velocity measurement module is assembled on the driving shaft of car mould motor, for detecting car mould speed and associated control signal, arrange on car mould is wirelessly transferred picture pick-up device for launching road conditions video data to monitoring client, described picture pick-up device is placed on steering wheel swing arm, the visual field can be adjusted along with the swing of steering wheel, the speed of car mould, direction running status all by tested by remote controller operation car mould servos control；
Described operating board includes PC, Mindwave Mobile brain electricity bluetooth ear and remote controller, wears Mindwave when tested
When Mobile brain electricity bluetooth earphone watches, before being sitting in operating board PC, the road conditions video sent back by the picture pick-up device of car mould, tested by remote controller operation control car mould simulation highway operation；
Described control station includes human brain attention assessment system under the drive simulating environment described in claim 1, by the way of being inquired by principal and subordinate, realize the data circulation between Mindwave Mobile electroencephalogramsignal signal acquisition module, car mould control module, remote controller control module, support the stable operation of whole system.
Beneficial effects of the present invention:
1, human brain attention assessment system under the drive simulating environment of the present invention, construct a drive simulating environment, by monitoring tested attention changed condition in driving procedure, and the reaction to various driving conditions, thus assess the relation between safe driving and attention, it will help reasonably monitor the behavior of driver, the potential risk that there may be vehicle accident is carried out early warning in time, advantageously reduce the generation of vehicle accident, thus reduce the loss of social property；
2, the car mould driving environment of the present invention demonstrates the low situation of attention and traffic violations phenomenon easily occurs, and analyzes the relation having drawn attention with the traffic violation；Obtain the attention indication range of safe driving, and point out that this index is relevant with driver's personal feature；There is provided attention training platform for driver's individuality, help its attention in driving procedure stable in the indication range of safe driving as far as possible, thus reduce the traffic violation and vehicle accident.
Accompanying drawing explanation
Fig. 1 is the overal system design block diagram of the present invention；
Fig. 2 is the car mould driving environment figure of the present invention；
Fig. 3 is the tested brain electric data collecting flow chart of the present invention；
Fig. 4 be the present invention drive simulating environment under human brain attention assessment system work model block diagram；
Fig. 5 is host computer and controls test interface figure with Bluetooth communication.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Under the drive simulating environment of the present invention, the framework that totally arranges of human brain attention assessment system and car mould driving environment thereof includes the building and design of hardware platform, the analyzing and design and the collection of experimental data and analysis of software program, concrete as it is shown in figure 1, include that car body design, car mould are installed, write car mould control program, brain electric data collecting, driving data collection, the extraction of car mould handle control signal.Building and designing of hardware platform mainly includes that module selects and circuit design, module selection part includes the functional modules such as Mindwave Mobile bluetooth brain wave acquisition module, car mould control module, remote controller control module and model racing track, Mindwave Mobile bluetooth brain wave acquisition module includes brain-wave sensor, data processor module and Bluetooth data transfer module, and remote controller is low frequency and can resist interference between picture pick-up device and wireless remote control.Circuit design includes car mould governor circuit design (mu balanced circuit design, regulating circuit design, motor-drive circuit design, warning circuit design, photoelectricity measurement circuit design in violation of rules and regulations), remote controller governor circuit design etc..The analysis of software program and design are by host computer processing module, remote controller control module and Che Mo control module composition, each module all includes respective function sub-modules, car mould control module processes and receives the control information that remote controller sends, each hardware module is driven to perform practical operation, remote controller control module gathers the tested behavior to remote control and operates, by wireless, the control information such as the velocity attitude of collection are sent on car mould, on the one hand host computer processing module receives the violation data of long-range car mould transmission and carries out statistics display, on the other hand receive, by bluetooth equipment, the eeg data that the tested bluetooth earphone worn sends, and control the visual field steering wheel on car mould accordingly.By brain electricity bluetooth earphone, remote controller, being in communication with each other between car mould and host computer, jointly realize the brain electricity attention parameter acquisition under drive simulating environment, monitoring and the statistics of violation driving information, thus carry out adequate preparation for the relation between assessment safe driving and attention.
The method of work that the present invention uses includes: the tested behavior to remote control of remote controller programmed acquisition operates, and by wireless device, the control information such as the speed of collection, direction is sent to car mould；Car mould controls program and performs practical operation by processing each hardware module of control information-driven receiving remote controller transmission；The various violation information meanwhile occurred in operating process are by logging modle record of breaking rules and regulations, then are sent to brain electricity host computer and monitoring software by wireless device；Brain electricity host computer one side carries out statistics display to the violation data of long-range car mould transmission, on the other hand receives tested its eeg data wearing bluetooth earphone transmission that passes through in simulating driving procedure by bluetooth equipment, and controls the visual field steering wheel on car mould accordingly.
The present embodiment selects K60 as car mould main control chip, CC1101 module connects between each module, 2.4G wireless camera head module gathers simulated roadway traffic information, and infrared sensor is as the detection module that crosses the border, and selects STC12C5A60S2 as self-control remote controller main control chip；The black belt of the racing track road edge that utilization white KT plate builds simulation test can change, for Edge check, the barrier randomly placed, the complexity that car mould travels on racing track；The hardware resource building reasonable distribution main control chip at hardware circuit, it is ensured that the linking of each module is compact, rationally distributed；The relatively low Digiplex of homemade channel is resistant between picture pick-up device and wireless remote control exist the effective ways of interference；The making utilizing Delphi7 to complete brain electricity ipc monitor acquisition software realizes the process of eeg data and analyzes display interface；The control program of car mould main control chip and the control program of remote-control handle are that program of lower computer is crucial；Utilize Mindwave Mobile bluetooth brain electricity equipment to gather the most tested brain wave data experimental test, and carry out analysis and assessment.
Such as Fig. 2, being the car mould driving environment built of the present invention, simulation highway is made up of white KT plate, and edge posts black belt, and on Edge check, simulation highway, the barrier of random arrangement can change the traveling complexity of car mould；The front, rear, left and right of car mould, left front, left back, right before, all placed photoelectric sensor behind the right side, be used for detecting the behaviors such as driving ever-present line ball orientation, side swipe in violation of rules and regulations；It is assembled with photoelectric velocity measurement module on the driving shaft of car mould motor, can be used for detecting car mould speed and associated control signal；The picture pick-up device being wirelessly transferred on car mould can launch road conditions video data to monitoring client, and this picture pick-up device is placed on steering wheel swing arm can adjust the visual field along with the swing of steering wheel；The speed of car mould, direction running status all by tested by remote controller operation car mould servos control.
When watching, before the tested Mindwave of wearing Mobile brain electricity bluetooth earphone is sitting in PC, the road conditions video sent back by the picture pick-up device of car mould, tested the operation at simulation highway of the car mould can be controlled by remote controller operation in hands；Meanwhile this tested eeg data collected is sent to PC by the bluetooth of standard agreement by Mindwave Mobile brain electricity bluetooth earphone, by Bluetooth adapter, the digital independent process sent is parsed the eeg data about attention by the host computer run on PC, be total to and host computer processes display.As Fig. 3 gives tested brain electric data collecting flow chart.Produce when the data that brain electricity bluetooth earphone sends are received by the blue tooth serial equipment of PC and interrupt, enter and interrupt performing function, the data of serial ports relief area are read out completely and is put in buffering array, when searching the element of array until finding the frame head of two continuous print 0xaa, it is judged that whether data payload length is 32 bytes, as actually read 32 load datas, otherwise continue to search for, until the ending of buffering array, and exit interruption, wait and interrupt arriving next time.After obtaining effective eeg data, the brain electricity gathered is noticed that force value carries out glide filter, then obtain final brain electricity and note force value, and show on host computer.
Car mould is when simulating traveling on highway, when car mould control module sends communication request by wireless host to host computer processing module, the violation information of record, car mould operation information wireless are sent to host computer processing module from machine by first by wireless host, the EEG signals gathered is transmitted to host computer processing module by described electroencephalogramsignal signal acquisition module by Bluetooth adapter, host computer processing module the situation of attention is sent to after wireless host and electroencephalogramsignal signal acquisition module being transmitted the signal decoding come reading process car mould control module；When car mould control module sends communication request by wireless host to remote controller control module, remote controller control module is by the value of each remote-control channel of collection, wireless being sent to car mould control module from machine by second, car mould control module is used for controlling car mould and runs after resolving data checking treatment；By the way of principal and subordinate inquires, realize the data circulation between electroencephalogramsignal signal acquisition module, car mould control module, remote controller control module, support the stable operation of whole system.As Fig. 4 gives this system work model.
If Fig. 5 is that host computer controls test interface figure with Bluetooth communication.The upper left side at interface is that communication adaptation shows, the lower left corner is shown that the eeg data bag received；Upper position is used for showing the violation statistical information of car mould, in violation of rules and regulations kind, and corresponding number of times；The right is then to show tested brain electricity attention curve ripple.This interface can clearly reflect tested change and the fluctuation situation noting force value at drive simulating whole process midbrain electricity.Iplot control is flexible, can be by the button on control to time shaft, and data axle carries out dragging, scaling, it is also possible to preserve existing oscillogram.In Fig. 5: 1. and 2. be used for arranging serial ports, 1. it is used for configuring bluetooth serial port equipment, is 2. used for configuring wireless serial port equipment；3. be used for testing serial ports whether normal communication, the parameter of some necessity by the most 5. display so that the BUG place quickly found out in source code；6. for showing the eeg data bag that collection comes；7. it is used for showing the violation statistical information of car mould, display kind in violation of rules and regulations, and corresponding number of times, processes assessment eventually for system；8. it is used for showing brain electricity attention data waveform figure, and the oscillogram of violation signal, can be by the button on control to time shaft, data axle carries out dragging, scaling, it is also possible to preserve existing oscillogram.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention.All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (3)
1. human brain attention assessment system under drive simulating environment, it is characterised in that: include Mindwave Mobile
Electroencephalogramsignal signal acquisition module, car mould control module, remote controller control module, host computer processing module, described car
Mould control module sends communication request by wireless host to host computer processing module, wireless host disobeying record
Rule information, car mould operation information wireless are sent to host computer processing module, described Mindwave from machine by first
The EEG signals transmission gathered is processed to host computer by Mobile electroencephalogramsignal signal acquisition module by Bluetooth adapter
Module, by host computer processing module to wireless host and Mindwave Mobile electroencephalogramsignal signal acquisition module transmission
After the signal decoding come reading process, the situation of attention is sent to car mould control module；When car mould controls mould
Block is by wireless host when remote controller control module sends communication request, and remote controller control module is each by gather
The value of individual remote-control channel, wireless is sent to car mould control module from machine by second, and car mould control module resolves number
According to and checking treatment after be used for controlling car mould and run；
Remote controller control module gathers the tested behavior to remote control and operates, by wireless device by the speed gathered,
Direction controlling information is sent to car mould control module；Car mould control module receives remote controller control module by processing
Each hardware module of control information-driven sent performs practical operation；Meanwhile occur in operating process is each
Kind violation information is by logging modle record of breaking rules and regulations, then is sent to brain electricity host computer and monitoring software by wireless device；
The violation data that on the one hand long-range car mould is sent by brain electricity host computer carries out statistics display, on the other hand passes through bluetooth
Equipment reception is tested wears, by it, eeg data that bluetooth earphone sends in simulating driving procedure, and controls accordingly
Visual field steering wheel on car mould processed.
Human brain attention assessment system under drive simulating environment the most according to claim 1, it is characterised in that:
Described electroencephalogramsignal signal acquisition module includes Mindwave Mobile brain electricity bluetooth earphone and PC, described
The eeg data collected is sent to by Mindwave Mobile brain electricity bluetooth earphone by the bluetooth of standard agreement
PC；The data sent when Mindwave Mobile brain electricity bluetooth earphone are connect by the blue tooth serial equipment of PC
When receiving produce interrupt, enter interrupt perform function, the data of serial ports relief area are read out completely be put in slow
In strokes per minute group, when searching the element of array until finding the frame head of two continuous print 0xaa, it is judged that data payload
Whether length is 32 bytes, the most then read 32 load datas, otherwise continue to search for, until buffer number
The ending of group, and exit interruption, wait and interrupt arriving next time；To collection after obtaining effective eeg data
Brain electricity notices that force value carries out glide filter, then obtains final brain electricity and notes force value, and shows on host computer
Out.
3. based on the car mould driving environment of human brain attention assessment system under the drive simulating environment described in claim 1,
It is characterized in that: include simulating highway, Che Mo, operating board and control station；
Described simulation highway is made up of white KT plate, and edge posts black belt, for Edge check, simulation
Random arrangement barrier on highway, for changing the traveling complexity of car mould；
Photoelectric sensor, photoelectric velocity measurement module, picture pick-up device, described photoelectric sensor it is provided with on described car mould
Be arranged at car mould front, rear, left and right, left front, left back, right before, right position, be used for detecting driving and disobey
Advise the ever-present behavior including line ball orientation, side swipe, the driving shaft of car mould motor assembles described photoelectric measuring
Speed module, is used for detecting car mould speed and associated control signal, and the picture pick-up device that is wirelessly transferred that car mould is arranged is used
In launching road conditions video data to monitoring client, described picture pick-up device is placed on steering wheel swing arm, can be along with steering wheel
Swing adjust the visual field, the speed of car mould, direction running status all by tested by remote controller operation car mould steering wheel control
System；
Described operating board includes PC, Mindwave Mobile brain electricity bluetooth earphone and remote controller, when tested
Wear before Mindwave Mobile brain electricity bluetooth earphone is sitting in operating board PC and watch by the picture pick-up device of car mould
During the road conditions video sent back, tested by remote controller operation control car mould simulation highway operation；
Described control station includes human brain attention assessment system under the drive simulating environment described in claim 1, uses
Realize by the way of being inquired by principal and subordinate Mindwave Mobile electroencephalogramsignal signal acquisition module, car mould control module,
Data circulation between remote controller control module, supports the stable operation of whole system.
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| CN105353869A (en) * | 2015-10-22 | 2016-02-24 | 苏州威尔勒信息技术有限公司 | Interactive experience driving method for virtual automobile |
| CN110464368A (en) * | 2019-08-29 | 2019-11-19 | 苏州中科先进技术研究院有限公司 | Brain attention rate appraisal procedure and system based on machine learning |
| CN112215115A (en) * | 2020-09-30 | 2021-01-12 | 易显智能科技有限责任公司 | Method and related device for concentration capability evaluation in driving training |
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| CN101571748A (en) * | 2009-06-04 | 2009-11-04 | 浙江大学 | Brain-computer interactive system based on reinforced realization |
| CN103294192A (en) * | 2013-04-25 | 2013-09-11 | 常州大学 | LED lamp switch control device and control method thereof based on motor imagery |
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