CN106937869A - Driver's biology electroanalysis experimental system under brake hard operating mode based on Virtual Driving Platform - Google Patents
Driver's biology electroanalysis experimental system under brake hard operating mode based on Virtual Driving Platform Download PDFInfo
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- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
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- A61B5/369—Electroencephalography [EEG]
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Abstract
Driver's biology electroanalysis experimental system under brake hard operating mode based on Virtual Driving Platform, slip touching electric installation, brake pedal and the gas pedal of angle-position encoder, gear mechanism on instrument board therein, steering wheel are connected by multifunctional data acquisition card with real-time target machine, and real-time target machine uses ICP/IP protocol and host communication；It is higher than driver's overhead position in pilot set rear ramp and the camera for being used to record experiment scene image information in real time being connected with main frame is installed towards instrument board and multi-screen display；Driver head is provided with leads biological brain wave acquisition sensor more, and main frame is inputted after sending into the processing of digital brain electrical record analysis system via the EEG signals for leading biological brain wave acquisition sensor collection more；Driver's body is provided with leads bioelectrical signals sensor more, and send into signal collection modulation transmitter module by transmission line by the skin electrical signal for leading the collection of bioelectrical signals sensor more inputs main frame after processing by data receiving system.
Description
Technical field
The present invention relates to experimental facilities, and in particular to driver under a kind of brake hard operating mode based on Virtual Driving Platform
Biological electroanalysis experimental system.
Background technology
China Auto Market rapid growth make it that increasing number occurs for road traffic accident.The traffic accident incidence of China
Considerably beyond developed country, traffic mortality is also higher by several times.A big chunk reason is driver attention among these
Do not concentrate or driving experience is not enough caused.Research shows, lacks when the driver in case of emergency having 90% touches on the brake
Brake force that is weary resolute and applying is less than actual braking requirement, and this often hinders them to apply rational brake force in time, caused
Braking distance increase.EBA (Emergency Braking Assistance, EBA) is exactly for such
Situation design, it is based on sensor, vehicle front to be monitored using camera, laser, radar, incessantly
The risk potential that monitoring automobile will collide with traveling ahead vehicle, if system once judges there is Ben Che and front truck
Collided danger, and it will be in advance pressurized to braking execution system, and brakes associated mechanisms gap and contracting are eliminated to reach
System response time during short operator brake operation, then when system further monitors that driver steps on brake pedal operation,
It judges that driver assert that the enough danger of current traffic environment needs to take brake operating, i.e., can start automatic emergency system immediately
Dynamic control, and controlled quentity controlled variable is to be computed determining according to real-time collision degree of danger, so as to substantially reduce what is crashed
Possibility.It is well known, however, that in the case where needing brake hard traffic environment driver's moving foot by pin moving contact to braking
Pedal and perform step on action, its belong to driver's operating and controlling vehicle avoid in dangerous process through brain Environment identification, risk analysis,
The end link of time domain aspect after dynamic decision and limb action response.If, integrated use human biological signal collection
Feature extraction and the deep learning methods such as equipment, brain electricity and myoelectricity, can depress prior to driver and its system is got before brake pedal
Dynamic to be intended to, this will greatly promote EBA performance, and the possibility crashed will also die-off to minimum.Cause
This, the sign and decoding research for carrying out the intention of driver's brake hard based on human biological signal have important show
Sincere justice.
At present, for driver's bioelectrical signals analysis and research under the dangerous driving cycle of intelligent driving accessory system still
It is few, lack applicable experiment porch can devoid of risk operation, limit by place, weather, time and number of times, to process of the test progress
Playback, reproduction and repetition.And the means that experimental method is gathered to driver information are more single, it is impossible to related letters a variety of to driver
Breath is gathered comprehensively.
The content of the invention
It is applied to may occur the high-risk driving cycle such as rear-end impact accident it is an object of the invention to provide one kind
Lower record and analysis can characterize driver's manipulation be intended to and behavior brain electricity, integumentary musculature power information based on Virtual Driving Platform
Driver's biology electroanalysis experimental system under brake hard operating mode.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:Including steering wheel, gear mechanism, brake pedal, oil
Door pedal, the instrument board of display vehicle real-time running state information and being connected with main frame for showing immediately ahead of driver
Show the multi-screen display of virtual traffic environment animation；
Angle-position encoder for providing steering wheel angle CAN message is installed on described steering wheel；
The slip touching electric installation for being provided with gear information contact signal is installed inside gear mechanism；
Brake pedal and gas pedal use can provide the electronic pedal of pedal aperture mould power information；
Wherein, instrument board, the angle-position encoder on steering wheel, the slip touching electric installation of gear mechanism, brake pedal
It is connected with gas pedal by multifunctional data acquisition card with real-time target machine, real-time target machine uses ICP/IP protocol and main frame
Communication；
It is provided with pilot set rear ramp higher than driver's overhead position and towards instrument board and multi-screen display
The camera for being used to record experiment scene image information in real time being connected with main frame；
Driver head is provided with leads biological brain wave acquisition sensor more, is gathered via biological brain wave acquisition sensor is led more
EEG signals feeding digital brain electrical record analysis system processing after input main frame；
Driver's body is provided with leads bioelectrical signals sensor more, by the skin for leading the collection of bioelectrical signals sensor more
Electric signal sends into signal collection modulation transmitter module by transmission line and inputs main frame by data receiving system after processing.
Described biological brain wave acquisition sensor and the digital brain electrical record analysis systems of leading using Austria PHONEX public affairs more
128 conducts digital eeg recording analysis systems measurement driver's EEG signals of department's production.
Described bioelectrical signals sensor, signal collection modulation transmitter module, the data receiving systems of leading use the U.S. more
The MP150WSW radio physiological test systems of BIOPAC companies production.
Described bioelectrical signals sensors of leading are affixed on driver's lower limb shank more respectively using SMD myoelectric sensor
Musculus peroneus, thigh sartorius, forearm brachioradialis, the upper arm triceps muscle of arm, shoulder back deltoid muscle skin surface.
Described multifunctional data acquisition card uses PXI-6070 data collecting cards.
Described signal collection modulation transmitter module is sent to data receiving system with the communication mode of wireless data transmission.
The method that the present invention can in real time be monitored using biological electricity is to each functional areas electric signal of driver's brain, special body position skin
Amplitude and time and frequency domain characteristics of skin electromyographic signal etc. are recorded and analyzed.
Compared with the prior art, the present invention has advantages below：
1st, virtual driving experimental system of the present invention includes：Driver manipulates behavioural characteristic collecting device, leads biological telecommunications more
Number collecting device, vehicle emulation and data logging system.Driver's manipulation behavioural characteristic collecting device includes deceleration of electrons/throttle
Pedal, gearbox-gear mechanism, steering wheel angle encoder, multifunctional data acquisition card, the system of stepping on available for collection driver
Dynamic/gas pedal action and corresponding tread depths, gearbox-gear, steering wheel turn over the information such as angle.Lead bioelectrical signals more
Collecting device includes record brain electricity, the acquisition system of electromyographic signal, before and after taking emergency brake operations available for collection driver
In a period of time lead brain electricity and integumentary musculature power information more.Information of vehicles record system utilize based on Labview RT and
Carsim RT set up brake hard operating mode associative simulation environment, available for collection virtual traffic scenarios environment in this car and
The information such as speed, acceleration and the relative distance of objects ahead vehicle.So as to obtain people-car-road closed loop much information input
To main frame, main frame can be analyzed the brain electricity before and after driver's implementation emergency brake operations, myoelectric information using multiple information sources.
2nd, acquiring biological electric signals equipment is led wirelessly to give birth to including 128 conducts digital eeg recording analysis systems and MP150WSW more
Manage test system.Many conducts digital eeg recording analysis systems are used to gather driver's brain electric information, and it is by electrode cap, electrode separated time
Box and high-speed figure amplifier composition；Radio physiological test system utilizes SMD myoelectric sensor, is attached at driver
Body difference critical movements position skin surface, the myoelectric information for gathering driver.Many conducts digital eeg recording analysis systems
System and radio physiological test system directly driven by computer host system, using itself software kit realize data display with
Storage；
3rd, driver's manipulation behavioural characteristic collecting device includes deceleration of electrons/gas pedal, gearbox-gear mechanism, direction
Disk angle-position encoder, multifunctional data acquisition card；Deceleration of electrons/gas pedal can be used for offer driver's to step on braking/throttle
Pedal is acted and corresponding tread depths；Gearbox-gear is in-house, and there is contact signal to be used to provide gearbox-gear information；
Steering wheel angle encoder turns over angle information for providing steering wheel；Multifunctional data acquisition card is used to gather these drivers
Behavior characteristic information.
4th, brake hard operating mode associative simulation environment is used to receive and driven by driver's manipulation behavioural characteristic collecting device collection
The person of sailing manipulates behavioural information, using simulated environment model real-time operation travel condition of vehicle, and output virtual traffic environment animation shows
Multi-screen display is shown in, and sends the meter informations such as vehicle speed in instrument board；Data record script file includes for record
Driver's manipulation behavior characteristic information, auto model emulation full state information.
5th, video camera is directly driven by computer host system, and the camera tests scene graph in real time with fixed frequency record
As information.
6th, instrument board obtains the vehicle car sent by information of vehicles record system by CAN and real-time system communication
The information such as speed, show for instrument board to driver information.
7th, display is directly driven by computer host system, is shown for human-computer interaction interface and virtual traffic environment is real
When animation show.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the present invention include steering wheel, gear mechanism 8,9, brake pedal 6, gas pedal 7, display vehicle it is real-time
The instrument board 4 of running state information and being connected with main frame 2 for showing that virtual traffic environment is moved immediately ahead of driver
The multi-screen display 3 of picture；
Angle-position encoder 5 for providing steering wheel angle CAN message is installed on the steering wheel of the present invention；
The inside of gear mechanism 8,9 is installed by the slip touching electric installation for being provided with gear information contact signal；
Brake pedal 6 and the use of gas pedal 7 can provide the electronic pedal of pedal aperture mould power information；
Wherein, instrument board 4, the angle-position encoder 5 on steering wheel, the slip touching electric installation of gear mechanism 8,9, braking
Pedal 6 and gas pedal 7 are connected by PXI-6070 data collecting cards 16 with real-time target machine 1, and real-time target machine 1 uses TCP/
IP agreement and host communication；
Installed in pilot set rear ramp higher than driver's overhead position and towards instrument board 4 and multi-screen display 3
There is the camera 13 for being used to record experiment scene image information in real time being connected with main frame 2；
Driver head be provided with leads biological brain wave acquisition sensor 12, via leading biological brain wave acquisition sensor more
The EEG signals feeding digital brain electrical record analysis system 14 of 12 collections inputs main frame 2 after handling；Biological brain wave acquisition is led to pass more
Sensor 12 and digital brain electrical record analysis system 14 are analyzed using 128 conducts digital eeg recordings of PHONEX companies of Austria production
Systematic survey driver's EEG signals.
Driver's body is provided with leads bioelectrical signals sensor 11 more, by leading what bioelectrical signals sensor 11 was gathered more
Skin electrical signal sends into signal collection modulation transmitter module 10 after processing by transmission line, with the communication party of wireless data transmission
Formula is sent to data receiving system 15 and inputs main frame 2 again.Bioelectrical signals sensors 11 of leading use SMD myoelectric sensor more,
Driver's lower limb shank musculus peroneus, thigh sartorius, forearm brachioradialis, the upper arm triceps muscle of arm, shoulder back deltoid muscle are affixed on respectively
Skin surface.Bioelectrical signals sensor 11, the signal collection modulation transmitter modules 10 of leading are produced more using BIOPAC companies of the U.S.
MP150WSW radio physiological test systems.
When driver starts virtual driving on Virtual Driving Platform, main frame 2, real-time target machine 1, driver's manipulation row
It is characterized collecting device, human biological signal's collecting device, vehicle emulation and data logging system, video camera and instrument board same
Shi Kaiqi, and set the corresponding collection of each composition or display frequency.Multifunctional data acquisition card 16 gathers driver's system of stepping in real time
Dynamic 6/ gas pedal 7 is acted and corresponding tread depths, the gear of gear mechanism 8 and 9, steering wheel angle encoder 5 turn over angle letter
Breath；The information that multifunctional data acquisition card 16 is gathered in real time, passes through pci bus and real-time system communication in real-time target machine 1；
Real-time target machine 1 utilizes the computing under LabviewRT environment of these information, and interactive information is used into ICP/IP protocol and main frame
2 communications；The information such as vehicle speed are sent in instrument board 4 by real-time target machine 1 using CAN communication, for aobvious to driver information
Show；Main frame 2 realizes driver virtual using interactive information computing under LabviewRT and CarSimRT associative simulation environment
Urgent damped condition operation on driving platform；Main frame 2 utilizes CarSimRT environment bottom documents, by multifunctional data acquisition card 16
The information such as car speed, acceleration, relative distance carries out record preservation according to sequential under the information gathered in real time, simulated environment；
Meanwhile, human biological signal's collecting device collection driver lead brain electricity and integumentary musculature power information, human-body biological telecommunications more
Number collecting device includes 128 conducts digital eeg recording analysis systems and MP150WSW radio physiological test systems, 128 conducts digitals
Eeg recording analysis system includes electrode cap, electrode junction box and digital eeg recording analysis system 14, and MP150WSW wirelessly gives birth to
Managing test system includes signal collection modulation transmitter module 10, data receiving system 15, gathers by SMD myoelectric sensor 11
The integumentary musculature electric signal of offer；Main frame 2 directly runs 128 conducts digital eeg recording analysis systems and MP150WSW radio physiologicals
The software systems of test system, are communicated, the driving that real-time recording unit is gathered on main frame 2 using it with the serial/parallel mouth of main frame 2
Member leads brain electricity and the electric time-domain information of integumentary musculature；Video camera 13 is directly driven by main frame 2, and the video camera 13 is with fixed frequency
Record tests scene image information in real time；The parameter setting of Virtual Driving Platform in the process of running is shown by operating single screen
The human-computer interaction interface that device 17 is shown is completed；The virtual traffic environment real-time animation that main frame 2 exports CarSim is included many
On panel type display 3 (being located in front of driver)；The experiment information recorded using main frame 2, main frame 2 reads various letters from memory
Breath, statistical analysis and deep learning are screened and carry out each functional areas electric signal of driver's brain, special body position skin muscular telecommunications
Number amplitude and the research such as time and frequency domain characteristics, obtain effective characteristic index.
Claims (6)
1. driver's biology electroanalysis experimental system under the brake hard operating mode based on Virtual Driving Platform, it is characterised in that：Bag
Include steering wheel, gear mechanism (8,9), brake pedal (6), gas pedal (7), the instrument for showing vehicle real-time running state information
Disk (4) and being connected with main frame for the multi-screen display (3) for showing virtual traffic environment animation immediately ahead of driver；
Angle-position encoder (5) for providing steering wheel angle CAN message is installed on described steering wheel；
The slip touching electric installation for being provided with gear information contact signal is installed inside gear mechanism (8,9)；
Brake pedal (6) and gas pedal (7) use can provide the electronic pedal of pedal aperture mould power information；
Wherein, instrument board (4), the angle-position encoder (5) on steering wheel, the slip touching electric installation of gear mechanism (8,9), system
Dynamic pedal (6) and gas pedal (7) are connected by multifunctional data acquisition card (16) with real-time target machine (1), real-time target machine
(1) ICP/IP protocol and host communication are used；
Installed in pilot set rear ramp higher than driver's overhead position and towards instrument board (4) and multi-screen display (3)
There is the camera (13) for being used to record experiment scene image information in real time being connected with main frame (2)；
Driver head be provided with leads biological brain wave acquisition sensor (12), via leading biological brain wave acquisition sensor (12) more
Input main frame (2) after EEG signals feeding digital brain electrical record analysis system (14) processing of collection；
Driver's body is provided with leads bioelectrical signals sensor (11) more, by leading bioelectrical signals sensor (11) collection more
Skin electrical signal by transmission line send into signal collection modulation transmitter module (10) after processing it is defeated by data receiving system (15)
Enter main frame (2).
2. driver's biology electroanalysis experiment under the brake hard operating mode according to claim 1 based on Virtual Driving Platform
System, it is characterised in that：It is described to lead biological brain wave acquisition sensor (12) and digital brain electrical record analysis system (14) is adopted more
The 128 conducts digital eeg recording analysis systems produced with Austrian PHONEX companies measure driver's EEG signals.
3. driver's biology electroanalysis experiment under the brake hard operating mode according to claim 1 based on Virtual Driving Platform
System, it is characterised in that：It is described to lead bioelectrical signals sensor (11), signal collection modulation transmitter module (10), data more
The MP150WSW radio physiological test systems that reception system (15) is produced using BIOPAC companies of the U.S..
4. driver's biology electroanalysis experiment under the brake hard operating mode according to claim 1 based on Virtual Driving Platform
System, it is characterised in that：Described bioelectrical signals sensors (11) of leading use SMD myoelectric sensor more, be affixed on drive respectively
The person's of sailing lower limb shank musculus peroneus, thigh sartorius, forearm brachioradialis, the upper arm triceps muscle of arm, shoulder back deltoid muscle skin surface.
5. driver's biology electroanalysis experiment under the brake hard operating mode according to claim 1 based on Virtual Driving Platform
System, it is characterised in that：Described multifunctional data acquisition card (16) uses PXI-6070 data collecting cards.
6. driver's biology electroanalysis experiment under the brake hard operating mode according to claim 1 based on Virtual Driving Platform
System, it is characterised in that：Described signal collection modulation transmitter module (10) is sent to the communication mode of wireless data transmission
Data receiving system (15).
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| CN201710230242.3A CN106937869A (en) | 2017-04-06 | 2017-04-06 | Driver's biology electroanalysis experimental system under brake hard operating mode based on Virtual Driving Platform |
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| CN107909854A (en) * | 2017-12-13 | 2018-04-13 | 北京交通大学 | A kind of braking method for early warning and system based on brain wave |
| CN109035960A (en) * | 2018-06-15 | 2018-12-18 | 吉林大学 | Driver's driving mode analysis system and analysis method based on simulation driving platform |
| CN109489730A (en) * | 2018-12-20 | 2019-03-19 | 中国工程物理研究院化工材料研究所 | The hot Combined Loading equipment operation multi-screen display method of explosive power |
| CN109658503A (en) * | 2018-12-29 | 2019-04-19 | 北京理工大学 | A kind of driving behavior intention detection method merging EEG signals |
| CN109859564A (en) * | 2019-04-03 | 2019-06-07 | 孟鹏翔 | A kind of on-line proving testing stand towards the acquisition of driver's driving data |
| CN111685736A (en) * | 2020-06-19 | 2020-09-22 | 中南大学 | Train driver and passenger stress response testing system and testing method thereof |
| CN113081000A (en) * | 2021-04-09 | 2021-07-09 | 北京理工大学 | Method for detecting braking intention based on electroencephalogram and electromyogram signals of driver |
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| CN109489730A (en) * | 2018-12-20 | 2019-03-19 | 中国工程物理研究院化工材料研究所 | The hot Combined Loading equipment operation multi-screen display method of explosive power |
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| CN111685736A (en) * | 2020-06-19 | 2020-09-22 | 中南大学 | Train driver and passenger stress response testing system and testing method thereof |
| CN113081000A (en) * | 2021-04-09 | 2021-07-09 | 北京理工大学 | Method for detecting braking intention based on electroencephalogram and electromyogram signals of driver |
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