CN103226390A - Panoramic virtual reality system for fire emergent escape - Google Patents
Panoramic virtual reality system for fire emergent escape Download PDFInfo
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- CN103226390A CN103226390A CN2013101802310A CN201310180231A CN103226390A CN 103226390 A CN103226390 A CN 103226390A CN 2013101802310 A CN2013101802310 A CN 2013101802310A CN 201310180231 A CN201310180231 A CN 201310180231A CN 103226390 A CN103226390 A CN 103226390A
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Abstract
The invention discloses a panoramic virtual reality system for fire emergent escape. The panoramic virtual reality system comprises a rotating seat, an acquisition module, a scene building module and a controller, wherein the rotating seat is positioned in surround displays; a user sits on the rotating seat and controls motion of the user in a three-dimensional virtual fire scene; the acquisition module is used for acquiring azimuth information and speed information of the user; the scene building module is used for building the three-dimensional virtual fire scene of a predetermined place; the three-dimensional virtual fire scene is displayed by virtue of six large-scale displays which are arranged into a circle; and the controller is used for judging escape behaviors of the user according to the azimuth information and the speed information of the rotating seat (acquired by the acquisition module), and rendering an escape scene of the user in the predetermined place according to the escape behaviors. According to the system in the embodiment of the invention, by using an annular scene displaying mode and an interactive mode of the rotating seat, a virtual scene which has a sense of reality is provided for the user, the aims of high immersion sense and wide viewing angles are fulfilled to ensure that the user can experience sensory stimulation caused by multichannels, and meanwhile, the building cost of the system is reduced.
Description
Technical field
The present invention relates to the virtual emulation technical field, particularly a kind of virtual reality system of panorama type fire emergency escape.
Background technology
Virtual reality technology is to utilize computer simulation to produce the virtual world of a three-dimensional, simulation on the sense organs such as vision, the sense of hearing, sense of touch is provided for the user, allow the user produce impression on the spot in person, can observe the things in the virtual world in real time, and carry out mutual with it.At present, the range of application of virtual reality technology is very extensive, is used widely at aspects such as engineering design, flight simulation, educational training, Entertainments.
At present, common virtual reality system comprises Table top type virtual reality system, wear-type virtual reality system, CAVE formula virtual reality system etc.Wherein, the Table top type virtual reality system is simple in structure, presents virtual scene by common computer usually, gives user's experience relatively poor, and very difficult generation has the virtual environment of the high property immersed.The feeling of immersion of wear-type virtual reality system is better, but user's visual angle is less, only can observe the scene about the degree of dead ahead 60, and the discomfort of health can appear when using headset equipment for a long time in the people.The property immersed of CAVE formula virtual reality system is the highest, but cost is very expensive, and a cover mature C AVE formula virtual reality system need spend up to 4,000,000 dollars, is difficult to promote the use of in practice.
On the other hand, still be the academic research field no matter in practical application, the relevant issues of fire disaster escaping all are difficult to solve.In actual applications, the method for fire drill is adopted in the training of personnel's fire-fighting technical ability usually, need expend higher human and material resources cost, be difficult to the scene that people present similar fire disaster escaping simultaneously; In the academic research field, people's behavioral study is perplexing a lot of scholars always in the fire disaster escaping, and for security consideration, the researchist can not place the people real fire scenario to carry out experimental study, so research means is very limited.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency.
For this reason, the objective of the invention is to propose a kind of virtual reality system of panorama type fire emergency escape, comprise: be arranged in the rotary seat of three-dimensional fire scenario, wherein, the user places on the described rotary seat and controls from the motion in described three-dimensional fire scenario; Acquisition module, the azimuth information and the velocity information that are used to gather rotary seat; Scene makes up module, is used to make up the described three-dimensional fire scenario of predetermined location, wherein, presents described three-dimensional fire scenario by six giant displays around the vision system that forms is omnibearing; Controller, the escape behavior that is used for judging described user according to the azimuth information and the velocity information of described rotary seat is also played up the escape scene of user in described predetermined location according to described escape behavior.
In one embodiment of the present of invention, also comprise: data extraction module is used for extracting the characteristic of described user when fire scenario escape behavior.
In one embodiment of the present of invention, the user is by being installed in rotary valve control on the described rotary seat from advancing or retreat in described three-dimensional fire scenario.
In one embodiment of the present of invention, described three-dimensional fire scenario comprises the smog under virtual flame scene, blast scene, smog scene and the true environment.
In one embodiment of the present of invention, described scene makes up the sound that module also is used for emulation three-dimensional fire scenario, and by the sound of described controller according to the mobile adjustment emulation three-dimensional fire scenario of described rotary seat.
In one embodiment of the present of invention, the escape scene of user in described predetermined location presents the three-dimensional fire scenario of 360 degree by a plurality of annular displays.
In one embodiment of the present of invention, described characteristic comprises escape time, escape speed, path, escape route, visual search scope, the blinkpunkt residence time and effects on physiological indexes.
In one embodiment of the present of invention, described effects on physiological indexes comprises skin conductivity, heart rate and muscle potential change.
In one embodiment of the present of invention, the sound of described emulation three-dimensional fire scenario comprises fire alarm sound, burning sound, explosive sound, brouhaha.
System according to the embodiment of the invention, the scene presentation mode by annular and the interactive mode of rotary seat provide the virtual scene of the sense of reality to the user, realize the purpose of high-immersion, wide viewing angle, made the multichannel stimulus to the sense organ of user experience, reduced the constructions cost of system simultaneously.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the structured flowchart of the virtual reality system of panorama type fire emergency escape according to an embodiment of the invention;
Fig. 2 is the data processing synoptic diagram of the virtual reality system of panorama type fire emergency escape according to an embodiment of the invention;
Fig. 3 is the structural drawing of rotary seat according to an embodiment of the invention;
Fig. 4 is the outside drawing of the virtual reality system of panorama type fire emergency escape according to an embodiment of the invention; And
Fig. 5 is the structured flowchart of the virtual reality system of panorama type fire emergency escape in accordance with another embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
Fig. 1 is the structured flowchart of the virtual reality system of panorama type fire emergency escape according to an embodiment of the invention.Fig. 2 is the data processing synoptic diagram of the virtual reality system of panorama type fire emergency escape according to an embodiment of the invention.As shown in Figure 1, the virtual reality system according to the panorama type fire emergency escape of the embodiment of the invention comprises that acquisition module 100, scene make up module 200 and controller 300.
Acquisition module 100 is used to gather the azimuth information and the velocity information of rotary seat.
Particularly, the user places on the rotary seat that is arranged in the three-dimensional fire scenario, and by the rotary seat control motion in the three-dimensional fire scenario certainly.
Fig. 3 is the structural drawing of rotary seat according to an embodiment of the invention.As shown in Figure 3, on the turning axle of rotary seat angular transducer has been installed, has been used to gather the angle that the user rotates.This angle-data is delivered to data acquisition circuit, and passes to data handling machine (being controller) by serial ports.The rotary valve of advancing has been installed on the right side of rotary seat, and the user is by rotary valve control user advancing in the three-dimensional fire scenario, for example, advances or retreats and gait of march.This data transfer of gathering arrives data acquisition circuit, and passes to data handling machine (being controller) by USB interface.Data handling machine is handled user's service data of gathering, thereby user's motion is presented in the three-dimensional fire scenario.
Scene makes up the described three-dimensional fire scenario that module 200 is used to make up predetermined location, wherein, presents described three-dimensional fire scenario by six giant displays around the vision system that forms is omnibearing.
Particularly, system by six screens around display output three-dimensional fire scenario.Six 47 inches LCD display joins end to end, and forms loop configuration, is used for showing user's environment scene on every side.Display passes through Mini-DisplayPort
TMConverting interface is connected to ATI Radeon
TMThe HD5870 video card, and use a data handling machine (being processor) to play up scene and computational data.Each piece exploration on display resolution ratio is 1024 * 768, and therefore, the total resolution that system shows can reach 6144 * 768.The sound of system is exported by sound system.
In one embodiment of the invention, the three-dimensional fire scenario is also made by the 3dmax7 software design, and realizes the interactive function of user and virtual scene by Vega software.The three-dimensional fire scenario comprises the smog under virtual flame scene, blast scene, smog scene and the true environment.The escape scene of user in predetermined location presents the three-dimensional fire scenario of 360 degree by a plurality of annular displays.
In one embodiment of the invention, predetermined location is hotel's scene.This hotel is total two-layer, links to each other by stair between the floor, comprises hall common in the true hotel, foreground, guest room, meeting room, toilet etc. in the scene.The fire exit in hotel is positioned at the hall, is provided with the position of finding the fire exit when emergency escape sign guides the user at emergency escape fast at the place, corridor in hotel.
In one embodiment of the invention, the simulation of flame scene, blast scene and smog scene is to be to realize by the Special Effects module that Vega software is provided, and then the effect of flame and blast can be set in scene quickly and easily.The position of flame, highly, time of burning, and the condition of the color of explosive effect, position, triggering etc. can be provided with in Vega software.Haze effect can be provided with in Special Effects module equally, and smog is arranged at the flame top, the haze effect during with the realization flame combustion.Simultaneously, the whole smog in the environment can also be set in the Environment module, as the visibility of smog, the color of smog etc.
In one embodiment of the invention, scene makes up the sound that module also is used for emulation three-dimensional fire scenario, and by the sound of controller according to the mobile adjustment emulation three-dimensional fire scenario of rotary seat, for example, fire alarm sound, burning sound, explosive sound, brouhaha etc.
In one embodiment of the invention, scene structure module has added background sounds such as fire alarm sound, flame combustion sound, explosive sound in the three-dimensional fire scenario.In Vega software, can set position, the sound of sound loudness and pitch, can hear the distance range of sound etc.When the user when the sound source, the loudness of sound can improve, on the contrary loudness descend, promptly by the sound of controller according to the mobile adjustment emulation three-dimensional fire scenario of rotary seat.Characteristic voice in the abundant simulating reality environment.
In one embodiment of the invention, in reality, produce smog, specifically produce smog, thereby the stimulation of real sense of smell and vision is provided for the user by electrical heating glycerine by aerosol producer.The generation of smog can control such as open or close by wireless remote mode, has very strong dirigibility.
Controller 300 is used for judging user's escape behavior and playing up the escape scene of user in predetermined location according to the escape behavior according to the azimuth information of rotary seat and velocity information.
Particularly, the user escapes according to fire condition control rotary seat in the three-dimensional fire scenario, and by controller 300 user's scene of escaping in the three-dimensional fire scenario is played up.
Fig. 5 is the structured flowchart of the virtual reality system of panorama type fire emergency escape in accordance with another embodiment of the present invention.As shown in Figure 5, the virtual reality system according to the panorama type fire emergency escape of the embodiment of the invention also comprises data extraction module 400.
Data extraction module 400 is used for extracting the characteristic of user when fire scenario escape behavior.
Characteristic when particularly, data extraction module 400 extraction users escape in fire scenario.This characteristic comprises escape time, escape speed, path, escape route, visual search scope, the blinkpunkt residence time and effects on physiological indexes, and effects on physiological indexes comprises skin conductivity, heart rate and muscle potential change.
In one embodiment of the invention, the extracting method of characteristic has two kinds.Wherein, a kind of is by the control data of data handling machine recording user to rotary seat, and this control data has reacted the behavioural characteristic that the user moves in the three-dimensional fire scenario.Characteristic mainly comprises escape time, escape speed, path, escape route etc.Another kind is the behavioral data by external unit instrument record user.For example, by the scope of eye movement instrument record user visual search in fire scenario, the time that blinkpunkt stops etc., perhaps by physiology feedback apparatus recording user effects on physiological indexes in the escape process.Effects on physiological indexes comprises skin conductivity, heart rate, muscle potential change etc.
System according to the embodiment of the invention, the scene presentation mode by annular and the interactive mode of rotary seat provide the virtual scene of the sense of reality to the user, realize the purpose of high-immersion, wide viewing angle, made the multichannel stimulus to the sense organ of user experience, reduced the constructions cost of system simultaneously.
Although illustrated and described embodiments of the invention above, be understandable that, the foregoing description is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change the foregoing description under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (9)
1. the virtual reality system of a panorama type fire emergency escape is characterized in that, comprising:
Be arranged in the rotary seat of three-dimensional fire scenario, wherein, the user places on the described rotary seat and controls from the motion in described three-dimensional fire scenario;
Acquisition module, the azimuth information and the velocity information that are used to gather rotary seat;
Scene makes up module, is used to make up the described three-dimensional fire scenario of predetermined location, wherein, presents described three-dimensional fire scenario by six giant displays around the vision system that forms is omnibearing;
Controller, the escape behavior that is used for judging described user according to the azimuth information and the velocity information of described rotary seat is also played up the escape scene of user in described predetermined location according to described escape behavior.
2. the virtual reality system of panorama type fire emergency escape according to claim 1 is characterized in that, also comprises:
Data extraction module is used for extracting the characteristic of described user when fire scenario escape behavior.
3. the virtual reality system of panorama type fire emergency escape according to claim 1 is characterized in that, the user is by being installed in rotary valve control on the described rotary seat from advancing or retreat in described three-dimensional fire scenario.
4. the virtual reality system of panorama type fire emergency escape according to claim 1 is characterized in that, described three-dimensional fire scenario comprises the smog under virtual flame scene, blast scene, smog scene and the true environment.
5. the virtual reality system of panorama type fire emergency escape according to claim 1, it is characterized in that, described scene makes up the sound that module also is used for emulation three-dimensional fire scenario, and by the sound of described controller according to the mobile adjustment emulation three-dimensional fire scenario of described rotary seat.
6. the virtual reality system of panorama type fire emergency escape according to claim 1 is characterized in that, the escape scene of user in described predetermined location presents the three-dimensional fire scenario of 360 degree by a plurality of annular displays.
7. the virtual reality system of panorama type fire emergency escape according to claim 2, it is characterized in that described characteristic comprises escape time, escape speed, path, escape route, visual search scope, the blinkpunkt residence time and effects on physiological indexes.
8. the virtual reality system of panorama type fire emergency escape according to claim 7 is characterized in that, described effects on physiological indexes comprises skin conductivity, heart rate and muscle potential change.
9. the virtual reality system of panorama type fire emergency escape according to claim 5 is characterized in that, the sound of described emulation three-dimensional fire scenario comprises fire alarm sound, burning sound, explosive sound, brouhaha.
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