CN105092276B - The test method that lining cutting chip off-falling influences tunnel in service operation safety - Google Patents
The test method that lining cutting chip off-falling influences tunnel in service operation safety Download PDFInfo
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- CN105092276B CN105092276B CN201510549297.1A CN201510549297A CN105092276B CN 105092276 B CN105092276 B CN 105092276B CN 201510549297 A CN201510549297 A CN 201510549297A CN 105092276 B CN105092276 B CN 105092276B
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Abstract
The test method that lining cutting chip off-falling provided by the invention influences tunnel in service operation safety, the virtual environment of car steering under the conditions of tunnel-liner chip off-falling is constructed including a., b. acquisition carries out the driving behavior information of drive simulating in virtual environment, c. the behavioural information of acquisition is analyzed and evaluated, judges influence of the inside lining chip off-falling in tunnel to travel safety；The present invention utilizes the structural principle of virtual reality technology and eye tracker, establish the experiment platform of virtual reality that test operation tunnel inside lining chip off-falling disease influences travel safety, without directly being tested in the tunnel to actual operation lining cutting chip off-falling disease, and it can be improved operation tunnel lining cutting chip off-falling to the efficiency of travel safety impact evaluation, it realizes the quantitative test difference lining cutting chip off-falling condition in virtual operation tunnel scene and functional and safety influence is runed to tunnel, it is provided for test operation tunnel lining cutting chip off-falling a kind of efficient, energy-efficient new method, greatly reduce cost of human and material resources, improve the accuracy of test.
Description
Technical field
The present invention relates to Tunnel Engineering more particularly to a kind of tests that lining cutting chip off-falling influences tunnel in service operation safety
Method.
Background technique
With the continuous improvement of China's economic level, China Automobile Industry is swift and violent, vehicle densification, driving high speed, sedan-chair
Vehicle family oriented and driver's deprofessionaliztion have been the inexorable trends of development.But due to vehicle fleet size and drive the rapid of number
Increase, traffic accident rate rises year by year, and the extensive concern of people has been obtained in Exploration on Train Operation Safety, especially in tunnel environment
In the more common environment accident rate of traffic accident incidence it is higher, reason: tunnel is as being embedded in stratum
Engineering works are a kind of forms of human use's underground space, while tunnel is that people bring traffic convenience, but due to
Environment is complicated in tunnel, and the influence of light and the influence of other factors will seriously affect traffic safety, wherein at it
In his factor, the lining cutting chip off-falling in tunnel is one of the key factor for causing driving dangerous, the top in tunnel or the lining cutting of side wall
Chip off-falling will cause serious influence to traffic safety, currently, main for the measurement of the travel safety under tunnel-liner chip off-falling
By field exploring, due to tunnel environment influence can not Accurate Determining, thus cannot be to tunnel-liner chip off-falling condition
Lower safe driving, which is made, correctly instructs measure, although having at present through rationalistic mathematical model to tunnel inside lining chip off-falling item
Travel safety under part is assessed, but is a lack of live real example, can not equally be made and accurately be instructed measure.
Summary of the invention
In view of this, the present invention provides a kind of test method that lining cutting chip off-falling influences tunnel in service operation safety, with
It solves the above problems.
The test method that lining cutting chip off-falling provided by the invention influences tunnel in service operation safety, including
A. the tunnel virtual environment under the conditions of different lining cutting chip off-fallings is constructed, and carries out driver in the virtual environment
Drive simulating；
B. the behavioural information of driver is acquired, and counts the lining cutting chip off-falling position in tunnel virtual environment；
C. according to the lining cutting chip off-falling position in the behavioural information and virtual environment of driver, determine tunnel inside lining chip off-falling item
Part down train safety grades.
Further, the step c further includes
C1. behavioural information of statistics driver under the conditions of different lining cutting chip off-fallings, and behavioural information is divided into different etc.
Grade；
C2. the lining cutting chip off-falling location information in virtual tunnel environment is counted, according to the concentration of lining cutting chip off-falling position
It is classified；
C3. behavioural information grade and the concentration ratings match of lining cutting chip off-falling position is corresponding, determine tunnel virtual ring
The travel safety in border, wherein travel safety also has different security levels.
Further, step a further includes the virtual environment that car steering is constructed by virtual environment display device, described virtual
Display device is used to simulate the virtual environment in different tunnel inside lining chip off-fallings.
Further, the behavioural information of driver described in step b includes that driver watches the dynamic of information and driver attentively
Make information.
Further, when to watch information attentively include duration of fixation, fixation time percentage, average fixation of the driver
Between, fixation times percentage, scanning eye movement average speed and pupil area size；The action message of the driver is driver
Change the operation information of vehicle running state.
Further, the action message of the driver includes changing driving direction, vehicle acceleration, vehicle deceleration and parking letter
Breath.
Further, step b further includes the driver for carrying out drive simulating in virtual environment by acquisition unit acquisition
Behavioural information, the acquisition unit includes eye tracker and sensor group.
Further, step a further includes the movement using automobile in 6-dof motion platform reduction virtual environment.
Beneficial effects of the present invention: the present invention utilizes the structural principle of virtual reality technology and eye tracker, establishes test
The experiment platform of virtual reality that operation tunnel inside lining chip off-falling disease influences travel safety, without arriving the tunnel of actual operation
In lining cutting chip off-falling disease is directly tested, and can be improved operation tunnel lining cutting chip off-falling to travel safety impact evaluation
Efficiency, realize in virtual operation tunnel scene quantitative test difference lining cutting chip off-falling condition and functional and peace runed to tunnel
The influence of full property provides a kind of efficient, energy-efficient new method for test operation tunnel lining cutting chip off-falling, greatly reduce manpower and
Material resources cost improves the accuracy of test.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the principle of the present invention schematic diagram.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples: Fig. 1 is the principle of the present invention schematic diagram.
As shown in Figure 1, the test method that the lining cutting chip off-falling in the present invention influences tunnel in service operation safety, including
A. the tunnel virtual environment under the conditions of different lining cutting chip off-fallings is constructed, and carries out driver in the virtual environment
Drive simulating；
B. the behavioural information of driver is acquired, and counts the lining cutting chip off-falling position in tunnel virtual environment；
C. according to the lining cutting chip off-falling position in the behavioural information and virtual environment of driver, determine tunnel inside lining chip off-falling item
Part down train safety grades.
The present invention utilizes virtual reality technology, and vehicle of the building for the virtual environment of car steering and for driving produces
The closed-loop system of raw " automobile-driver-tunnel ", driver's drive simulating automobile in this closed-loop system can be according to operation
The virtual environments such as the motion simulation of the virtual views of the lining cutting chip off-falling occurred in tunnel scene, scene audio and vehicle, make to drive
Member is immersed in this environment, and according to the tactile generated in virtual context, the sense of hearing and vision, converts corresponding driver behavior,
So that the position of virtual driving vehicle constantly changes in running environment, to generate the interaction of driver and virtual environment, pass through
To the motion conditions of driving behavior information and vehicle, operation tunnel inside lining chip off-falling phenomenon is tested to the shadow of travel safety
It rings.
In the present embodiment, the step c further includes
C1. behavioural information of statistics driver under the conditions of different lining cutting chip off-fallings, and behavioural information is divided into different etc.
Grade；
C2. the lining cutting chip off-falling location information in virtual tunnel environment is counted, according to the concentration of lining cutting chip off-falling position
It is classified；
C3. behavioural information grade and the concentration ratings match of lining cutting chip off-falling position is corresponding, determine tunnel virtual ring
The travel safety in border, wherein travel safety also has different security levels.
In the present embodiment, behavioural information is divided into: slight behavioural information, general behavior information, serious behavioural information and
Especially severe behavioural information, the behavioural information of each grade is to watch information attentively and the variable quantity of action message is made, for example, by oily
Door, brake and steering wheel variable quantity and watch information change amount attentively and be divided into four segments, i.e. A-B, B-C, C-D and D-E,
Wherein, A < B < C < D, the concentration of lining cutting chip off-falling position are also classified into four grades, including micro lining cutting chip off-falling, general lining
Build chip off-falling, intensive lining cutting chip off-falling and especially intensive lining cutting chip off-falling.When micro lining cutting chip off-falling, behavioural information is located at section A-B,
So driving at this time is safety, and general A value is 0；When general lining cutting chip off-falling, behavioural information is located at interval B-C, then at this time
Driving is safer, but driver is needed to pay attention to；When intensive lining cutting chip off-falling, behavioural information is located at section C-D, then at this time
Driving is dangerous, needs to terminate tunnel operation immediately；When lining cutting chip off-falling is especially intensive, the section of behavioural information is D-E at this time, then
It drives a vehicle at this time extremely dangerous, needs to terminate tunnel operation immediately, and repair immediately tunnel, deteriorate in order to avoid occurring caving in etc.
Accident.Due in simulated environment, without the influence of other vehicles, therefore, the intensive journey of behavioural information and lining cutting chip off-falling position
Degree has one-to-one relationship, so as to accurately reflect influence of the lining cutting chip off-falling to traffic safety.
Step a further includes the virtual environment that car steering is constructed by virtual environment display device, and the virtual presentation is set
It is ready for use on the virtual environment for simulating different tunnel inside lining chip off-fallings.
The behavioural information of driver described in step b includes that driver watches information and the action message of driver attentively.
In the present embodiment, step a further includes the virtual environment that car steering is constructed by virtual environment display device, institute
Stating virtual environment includes virtual views, scene audio and vehicle movement emulation.The virtual display device is for simulating not
The virtual environment of same tunnel inside lining chip off-falling.The present embodiment proposed adoption Uni ty3D software platform, falls for tunnel inside lining
The design of the virtual scene of block, people and virtual environment interact equal application and developments, communication with virtual reality peripheral equipment and
Control, virtual display device mainly include three-dimensional folding curtain and the video helmet, construct a 3D virtual ring by virtual display device
Border.
In the present embodiment, the behavioural information of driver described in step b includes that driver watches information and driving attentively
The action message of member.Based on tunnel road environmental quality, Accident Characteristic and driver dynamic visual characteristic, remembered using eye tracker
Driver eye movement data are recorded, by the analysis to eye movement behavior, effectively quantifies the eye movement behavior of driver, is conducive to find driving
The Behavior law of member, virtual environment when making corresponding eye movement in conjunction with driver in tunnel, and as operation tunnel liner
It builds chip off-falling disease and provides new experimental method to traffic safety impact evaluation.Specifically, the information of watching attentively of driver includes note
Depending on duration, fixation time percentage, average fixation time, fixation times percentage, scanning average speed and pupil area
Size；The action message of the driver is the operation information that driver changes vehicle running state.
In the present embodiment, the action message of the driver include change driving direction, vehicle accelerate, vehicle deceleration and
Parking information does not acquire above- mentioned information by sensor components, it is preferable that can acquire brake and throttle by pressure sensor
Pedal information acquires steering wheel rotation information by displacement sensor, and is carried out by the vehicle operation data in vehicle-mounted computer
It is comprehensively compared, those skilled in the art can realize above-mentioned acquisition purpose by a variety of Method means, and details are not described herein.
In the present embodiment, the device for testing lining cutting chip off-falling includes input unit, output unit, main control unit, is used for mould
Draw up virtual environment display unit, the acquisition unit for acquiring driving behavior information in different tunnel inside lining chip off-fallings
With the interactive unit interacted for driver and virtual scene,
The virtual environment display unit is connected with acquisition unit respectively at main control unit, the input unit and master control list
The output end of the input terminal connection of member, the output unit and main control unit connects.
The virtual environment display unit includes three-dimensional folding curtain and the video helmet, and the solid rolls over curtain and video helmet difference
It is connect with main control unit.
The acquisition unit includes watching the eye tracker of information attentively and biography for acquiring action message for acquiring driver
Sensor group.
The input unit includes steering wheel, throttle and brake, and the output unit includes 6-dof motion platform
For restoring the movement of automobile in virtual environment.
The interaction includes optical position tracker, handheld terminal and driving simulator.
For operation tunnel inside lining chip off-falling disease traffic safety impact evaluation is provided by the above method a kind of new
Experimental method provides new means for research prevention and mitigation traffic accident.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (5)
1. a kind of test method that lining cutting chip off-falling influences tunnel in service operation safety, it is characterised in that: including
A. the tunnel virtual environment under the conditions of different lining cutting chip off-fallings is constructed, and simulates driver in the virtual environment
It drives；
B. the behavioural information of driver is acquired, and counts the lining cutting chip off-falling position in tunnel virtual environment；
C. according to the lining cutting chip off-falling position in the behavioural information and virtual environment of driver, under the conditions of determining tunnel inside lining chip off-falling
Travel safety grade；
The behavioural information of driver described in step b includes that driver watches information and the action message of driver attentively；
The information of watching attentively of the driver includes duration of fixation, fixation time percentage, average fixation time, fixation times
Percentage, scanning eye movement average speed and pupil area size；The action message of the driver is that driver changes vehicle row
Sail the operation information of state；
The step c further includes
C1. behavioural information of statistics driver under the conditions of different lining cutting chip off-fallings, and behavioural information is divided into different grades；
C2. the lining cutting chip off-falling location information in virtual tunnel environment is counted, is carried out according to the concentration of lining cutting chip off-falling position
Classification；
C3. behavioural information grade and the concentration ratings match of lining cutting chip off-falling position is corresponding, determine tunnel virtual environment
Travel safety, wherein travel safety also has different security levels.
2. the test method that lining cutting chip off-falling according to claim 1 influences tunnel in service operation safety, feature exist
In: step a further includes the virtual environment that car steering is constructed by virtual environment display device, and the virtual display device is used for
Simulate the virtual environment of different tunnel inside lining chip off-fallings.
3. the test method that lining cutting chip off-falling according to claim 1 influences tunnel in service operation safety, feature exist
In: the action message of the driver includes changing driving direction, vehicle acceleration, vehicle deceleration and parking information.
4. the test that lining cutting chip off-falling described in -3 any claims influences tunnel in service operation safety according to claim 1
Method, it is characterised in that: step b further includes the driver for carrying out drive simulating in virtual environment by acquisition unit acquisition
Behavioural information, the acquisition unit includes eye tracker and sensor group.
5. the test method that lining cutting chip off-falling according to claim 1 influences tunnel in service operation safety, feature exist
In: step a further includes the movement using automobile in 6-dof motion platform reduction virtual environment.
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| CN201510549297.1A CN105092276B (en) | 2015-08-31 | 2015-08-31 | The test method that lining cutting chip off-falling influences tunnel in service operation safety |
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| CN105092276B true CN105092276B (en) | 2019-06-04 |
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| CN112396353A (en) * | 2020-12-14 | 2021-02-23 | 广州广明高速公路有限公司 | Highway tunnel operation safety risk simulation and evaluation system and method thereof |
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