CN106652633A - Multi-role fire-fighting drilling system and method based on virtual reality - Google Patents
Multi-role fire-fighting drilling system and method based on virtual reality Download PDFInfo
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Abstract
The invention provides a multi-role fire-fighting drilling system based on virtual reality. The multi-role fire-fighting drilling system comprises an information collection subsystem, an information management and logical processing subsystem, and an immersion type display subsystem which are in communication connection sequentially, wherein the information collection subsystem is used for collecting environmental information in an area under administration, and the human resource information and equipment information of fire fighting forces; the information management and logical processing subsystem is used for creating a simulation drilling environment and managing the drilling process; the immersion type display subsystem is used for providing hardware medium needed by drilling. The multi-role fire-fighting drilling system and the multi-role fire-fighting drilling method based on virtual reality provided by the invention can provide multiple immersion type display methods, a user can vividly experience the pressure and urgency of the scene of fire, so that while the psychological quality is enhanced, the practical experience is increased; a multi-person online large-scale drilling platform is provided, the capacity of giving orders, executing the orders and coordinating of commanding officers and soldiers is trained, and finally, the overall fighting level of the commanding officers and soldiers is promoted.
Description
Technical field
The invention belongs to technical field of virtual reality, more particularly to a kind of many role's fire-fighting drill systems based on virtual reality
System and method.
Background technology
In recent years, country progressively strengthens the development of emergent industry, and the General Office of the State Council has been issued with regard to accelerating to answer within 2014
The suggestion of anxious industry development.Fire-fighting cause as emergent industry in an important ring, also more and more paid attention to, each place
Also increasing fire-fighting drill is being organized in fire brigade.
With the fast development of China's economic, architecture ensemble scale is increasing, and building structure even more complex is occurred in that
Situations such as multiple and big rescue difficulty of various disasters.Traditional fire-fighting drill also rest on the spot, the outdoor scene of the true car of true man drills
Practice, this rehearsal mode can improve to a certain extent the technical and tactical levels of firefighterses, but manpower, the thing required for drilling
Power, financial resources cost are too high, and training environment is single limited, it is difficult to the cumulative many scenes of fire of simulating sun, and by time and space
Larger restriction, the safety of training is also relatively difficult to ensure card.For this purpose, there has been proposed the fire-fighting drill based on computer simulation technique,
This kind of technology allows firefighterses to carry out the rehearsal of some basic equipments, and the problems referred to above are solved to a certain extent, so receive
To the favor of vast fire units.
Existing emulation fire-fighting drill system generally existing problems with：
1. interactive interface is unfriendly, it is impossible to provide the convenient interaction of high-freedom degree under three-dimensional scenic；
2. scene prototype mostly is what is fabricated, does not reduce the truth of fire-fighting area under one's jurisdiction building；
3. function is relatively simple, can only carry out emulation study for some apparatuses or knowledge point, it is impossible to provide higher level
The training of the fire fighting and rescue tactics of (system) and multistage linking cooperation examination.
Therefore it provides a kind of man-machine interaction is convenient, scene reduction is true, the policy fire-fighting drill system that complete function is various
System, to meet the needs of a line firefighterses, becomes the technical problem that those skilled in the art are badly in need of solving.
The content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of many role's fire-fighting drill systems based on virtual reality
And method.
Concrete technical scheme of the present invention is as follows：
The invention provides a kind of many role's fire-fighting drill systems based on virtual reality, including the letter for communicating connection successively
Breath acquisition subsystem, information management and logical process subsystem and immersion show subsystem, described information acquisition subsystem
For gathering manpower, the facility information of local environmental information and fire brigade；
Described information is managed and logical process subsystem includes：
Modeling and rendering module, for carrying out parameter extraction to the information that described information acquisition subsystem is gathered, and with this
Carry out scene, equipment, Role Modeling and render；
User management module, is allocated according to the role of user to its task and authority；
Knowledge data database management module, for storing the information of described information acquisition subsystem collection, and in drilling
People information and trace information；
Server connects and data transmission module, is server and client for processing the service logic during putting out a fire to save life and property
Bi-directional communication channels are provided between end；
Client fire-fighting logic processing module, for processing multistage rehearsal during condition judgment, event capturing and
Logic is redirected；
The immersion shows that subsystem is used to provide hardware intermediaries required during rehearsal.
Further, described information acquisition subsystem includes：
Jurisdictional information acquisition module, for gathering the local building in fire brigade, traffic and water power pipe network letter is laid
Breath；
Fire-fighting resource information acquisition module, for gathering the manpower of fire brigade, the parameter information of equipment and service condition.
Further, the server connection and data transmission module include：
Central server, for monitoring the synchronization request of each server, message interested in each server is subscribed to
And distribution, while monitoring the load of each server；
Gateway server, for receiving the solicited message of client and being processed, and the solicited message is forwarded to
It is responsible for processing the server of the request, asynchronous wait-for-response message；
Database broker server, for processing additions and deletions of each server to database and changing operation is looked into, and by request data
Return to corresponding server；
Database server, for working including the database maintenance including data storage, schedule backup and data rewind；
Login service device, the registering and logging for processing user is operated；
Authentication server, for platform validation process；
Version control server, for processing the download and edition upgrading of client-side program；
Online chatting server, for supporting the word and voice-enabled chat function of each client.
Further, the immersion shows that subsystem includes：
Expert room, the pool commander in arranging and drill for the condition of a disaster before rehearsal；
Rehearsal room, for providing rehearsal environment and showing that the evaluation after rehearsal is summarized.
Further, the expert room configures at least one client computer, projecting apparatus and projection screen；It is described to drill
Practice room and configure some client computers, three projecting apparatus and projection arc curtain.
Invention further provides a kind of many role's fire-fighting drill methods based on virtual reality, comprise the steps：
S1 disposes hardware environment：Build expert room and rehearsal room；
S2 creates virtual environment：According to the local relevant information that information gathering subsystem is collected, virtual drilling is created
Practice scene, staffing and equipment facility；
S3 logging in system by user：Logged in by server connection and transport module, if user has had registration account
Number, then directly with account login；Account is crossed as user is unregistered, then should first be registered and be logged in again；
S4 distribution rehearsal roles：Default role include:
Dao Tiao team, Chief Director, military observation group, in the expert room；
Chief Commanding Officer, detachment commanding officer, base conductor person, Basic soldier, insider, it is indoor in the rehearsal；
The task of different role is divided the work, viewing angle and physics rehearsal space are differed；
S5 performs rehearsal process：Each role divides the work according to set task, in client fire-fighting logic processing module
Complete to specify rehearsal under process；
S6 rehearsals terminate, and by military observation, group is commented on, analyzed to this rehearsal.
Further, the concrete grammar of step S2 is as follows：
S2.1 gathers jurisdictional information：Collection information personnel using collecting device fire brigade it is local to building, traffic,
Water power pipe network information carries out collection in worksite, and database is uploaded to after arrangement；
S2.2 gathers fire-fighting equipment information：Thermal man power, equipment of the information gathering librarian use collecting device to fire brigade
Parameter and service condition be acquired, database is uploaded to after arrangement；
S2.3 three-dimensional modelings：Data to collecting are modeled, while making pinup picture picture；
S2.4 scenes and equipment are rendered：Using rendering engine, by the reduction of personnel, equipment and environmental information equal proportion, and
Real-time rendering is carried out to three-dimensional scenic during logical process.
Further, the concrete grammar of step S3 is as follows：
S3.1 opens central server；
S3.2 starts login service device, sends server to central server and reaches the standard grade synchronization message；
S3.3 login services device to central server sends service discovery synchronization message, represents to authentication server, data
Storehouse proxy server, database server upper offline event it is interested, central server is these events addition monitors；
During S3.4 user's application login system, central server is through to gateway server function allocation and load balancing
Analysis, forwards the request to gateway server, and gateway server forwards a request to game server, and asynchronous etc. to be returned
Message：
A. as game server, database broker server, database server are not actuated, then login service device cannot be received
To central server with regard to verifying the message informing that above-mentioned server is reached the standard grade, message " server connection failure ", Jing are now returned
NM server is transmitted to central server, is then forwarded to user；
B. as game server, database broker server, database server have been turned on, then in central server reception
State message that server reaches the standard grade and return to login service device, login service device sends registration information to authentication server, tests
Card server accessing databases proxy server, database broker server carries out inquiry operation to database server, and will
As a result according to database broker server->Authentication server->Login service device->Gateway server->Central server->With
The order at family returns to user；
S3.5 when database server is offline, monitor offline message and return in central server by related monitor
Game server；If now login service device is closed, offline synchronization message is sent to central server, now center service
Device closes related monitor.
Further, the concrete grammar of step S5 is as follows：
S5.1 Dao Tiao team creates virtual rehearsal room；
S5.2 Dao Tiao team, Chief Director, military observation group enter expert room 31, and other roles enter rehearsal room 32, and step on
Land correspondence role enters virtual rehearsal room；
S5.3 Chief Directors are selecting setting fire and related dangerous situation in scene, and click starts rehearsal, while timer starts
Timing；
After S5.4 command centres receive a crime report, according to dangerous situation type and scale, check that each detachment can be with strength and according to distance
Radiation carries out priority allotment, hierarchically personnel depaly；
S5.5 commander in chief receives current task implementation progress and the condition of a disaster developing stage that subordinate commander reports, and assigns in time
Order is searched and rescued or withdrawn in attack；
S5.6 detachments commanding officer receives higher level's task, develops actual conditions with reference to the condition of a disaster and passes on task to subordinate, while will
The report of subordinate is reported without delay to commander in chief；
S5.7 base conductors official receives superior instructions, and issues specific tasks to Basic soldier, while by Basic soldier report
The implementation status of announcement carries out integration and is reported to higher commander；
The task of S5.8 Basic soldier executing commanders simultaneously reports implementation progress, waits next step to indicate；
S5.9 such as commanders in chief assign further action and indicate, then be back to S5.6；As commander in chief indicates that fight terminates or special
The disaster relief that family limits has timed out, then rehearsal terminates.
Beneficial effects of the present invention are as follows：The many role's fire-fighting drill systems based on virtual reality that the present invention is provided are complete
For independent research, China's fire-fighting service logic is strictly deferred to, meet national polity, be adapted to fire brigade of China and use；There is provided many
Kind of immersion exhibition method, student can experience the pressure of scene of fire and urgent with vivid, while strengthening psychological quality,
Smell of powder is also increased, is that study in the future and training are accumulated experience；Many people are provided online extensive drilling platforms, it is powerful
Server cluster can support the real-time circulation of magnanimity logical data, it is ensured that the ageing of transmitting-receiving is ordered between officers and men at different levels
With accuracy, exercise refers to the ability of war officers and men's instruction issuing, execution and cooperation, so as to lift the whole battle for referring to war officers and men
Level；Building scene and the fire fighting device in its compass of competency can be customized for fire brigade, strengthens the same of rehearsal authenticity
When, also allow officers and men at different levels check its area under one's jurisdiction key fire-fighting key element whenever and wherever possible, realize that once collection, stage construction are multiplexed
Value promotion；Support can be provided convenient for extensive many role plays of the departments such as frontier defense, public security, anti-terrorism.
Description of the drawings
Fig. 1 is a kind of Organization Chart of many role's fire-fighting drill systems based on virtual reality described in embodiment 1；
Fig. 2 is a kind of Organization Chart of many role's fire-fighting drill systems based on virtual reality described in embodiment 2；
Fig. 3 is tied to drill room deployment in a kind of many role's fire-fighting drill systems based on virtual reality described in embodiment 2
Composition；
Fig. 4 be embodiment 3 described in a kind of many role's fire-fighting drill systems based on virtual reality in server connection and
The server cluster Organization Chart of data processing module；
Fig. 5 is a kind of flow chart of many role's fire-fighting drill methods based on virtual reality described in embodiment 4；
Fig. 6 be embodiment 4 described in a kind of many role's fire-fighting drill methods based on virtual reality in drill staffing
Structure chart；
Fig. 7 is server cluster in a kind of many role's fire-fighting drill methods based on virtual reality described in embodiment 6
Service discovery mechanisms sequence chart；
Fig. 8 is patrolled for client fire-fighting in a kind of many role's fire-fighting drill methods based on virtual reality described in embodiment 7
Collect the workflow diagram of processing module；
Fig. 9 is performed for rescue task in a kind of many role's fire-fighting drill methods based on virtual reality described in embodiment 7
Flow chart.
Wherein：1st, information gathering subsystem；11st, jurisdictional information acquisition module；12nd, fire-fighting resource information acquisition module；2、
Information management and logical process subsystem；21st, modeling and rendering module；22nd, user management module；23rd, knowledge data library management
Module；24th, server connection and data transmission module；241st, central server；242nd, gateway server；243rd, database broker
Server；244th, database server；245th, login service device；246th, authentication server；247th, version control server；248、
Online chatting server；25th, client fire-fighting logic processing module；3rd, immersion shows subsystem；31st, expert room；32nd, drill
Room.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail with following examples.
Embodiment 1
As shown in figure 1, the embodiment of the present invention 1 provides a kind of many role's fire-fighting drill systems based on virtual reality, bag
Include the information gathering subsystem 1, information management and logical process subsystem 2 and immersion displaying subsystem for communicating connection successively
3, described information acquisition subsystem 1 is used to gather manpower, the facility information of local environmental information and fire brigade；
Described information is managed and logical process subsystem 2 includes：
Modeling and rendering module 21, for carrying out parameter extraction to the information that described information acquisition subsystem 1 is gathered, and with
This carries out scene, equipment, Role Modeling and renders；
User management module 22, is allocated according to the role of user to its task and authority；
Knowledge data database management module 23, for storing the information of the collection of described information acquisition subsystem 1, and in drilling
People information and trace information；
Server connects and data transmission module 24, is server and visitor for processing the service logic during putting out a fire to save life and property
Family provides bi-directional communication channels between end；
Client fire-fighting logic processing module 25, for processing multistage rehearsal during condition judgment, event capturing with
And logic is redirected；
The immersion shows that subsystem 3 is used to provide hardware intermediaries required during rehearsal.
Unity3D rendering engines are adopted during render scenes, according to the model of the data creating based on early stage collection by scene
Interior building, fire fighting device, personnel, vehicle 1:1 true reduction, and real-time wash with watercolours is carried out to three-dimensional scenic during logical process
Dye, business logic processing also defers to completely the rule of real world, and how long the such as intensity of a fire is extinguished, the intensity of a fire form during putting out a fire to save life and property
Change, metamorphosis and blast that oil tank sustained combustion in a fire causes just allow to lead to when rescue vehicle is only narrow than road
Cross.
The many role's fire-fighting drill systems based on virtual reality that the present embodiment is provided, by information gathering on the spot, truly
Reduce unit building structure in jurisdiction (usable floor area, building height, building storey, internal structure, character of use,
Key area etc.), surrounding enviroment (adjacent building, street tunnel road etc.), fire fighting device (between fire protection control room, pump house, between water tank,
Power distribution station etc.), fire escape etc. (gateway, escape stair, Fire lift etc.), firefighterses can at any time in the area under one's jurisdiction of oneself
Fire extinguishing training, joint maneuver are carried out in building, so as to realize the checking to prediction scheme, and complete function, man-machine interaction are convenient, right
The deduction of tactics and coordinated ability between commander fighters at different levels is considered, carry out prewar preparation.
Embodiment 2
As shown in Fig. 2 the present embodiment 2 disappears on the basis of embodiment 1 there is provided a kind of many roles based on virtual reality
Anti- drilling system, the embodiment 2 further defines described information acquisition subsystem 1 to be included：
Jurisdictional information acquisition module 11, lays for gathering the local building in fire brigade, traffic and water power pipe network
Information；
Fire-fighting resource information acquisition module 12, for gathering the manpower of fire brigade, the parameter information of equipment and using feelings
Condition.
The immersion shows that subsystem 3 includes：
Expert room 31, configures at least one client computer, projecting apparatus and projection screen, for the condition of a disaster before rehearsal
Pool commander in arranging and drilling；
Rehearsal room 32, some client computers of configuration, three projecting apparatus and projection arc curtain, for providing rehearsal ring
Evaluation behind border and displaying rehearsal is summarized.
As shown in figure 3, arc curtain is placed in the front of rehearsal room, three projecting apparatus are distinguished in arc curtain oblique upper middle position
The region of left, center, right three of irradiation arc curtain, it is desirable to：
(1) there is overlay region in view field, connects to carry out fighting recklessly using splicer；
(2) projecting apparatus irradiation area is by screen trisection, each projecting apparatus front face line with irradiate arc curtain point normal
Overlap.
1 point of information gathering subsystem is two modules by the present embodiment 2, respectively to local building, environmental information and
The manpower of fire brigade, facility information are acquired, and separately carry out causing the information of collection more detailed, comprehensive.Immersion shows
In subsystem 3, expert room 31 is used to carry out Real Time Observation to the situation at rehearsal scene；Rehearsal builds arc curtain projection nucleus in room 32
Border, needs to place 3 high definition projecting apparatus, and according to the size of arc curtain, each projecting apparatus is placed in into specified location carries out projected picture
Splicing fusion；Arc curtain shows that being mainly used in the commander visual angle for showing commander in chief and conduct tactical evaluation afterwards summarizes.
Embodiment 3
As shown in figure 4, the present embodiment 3 disappears on the basis of embodiment 1 there is provided a kind of many roles based on virtual reality
Anti- drilling system, the embodiment 3 further defines the server connection and data transmission module 24 to be included：
Central server 241, for monitoring the synchronization request of each server, message interested in each server is ordered
Read and distribute, while monitoring the load of each server；
Gateway server 242, for receiving the solicited message of client and being processed, and the solicited message is forwarded
To the server for being responsible for the process request, asynchronous wait-for-response message；
Database broker server 243, for processing additions and deletions of each server to database and changing operation is looked into, and by number of request
According to returning to corresponding server；
Database server 244, for including the database maintenance work including data storage, schedule backup and data rewind
Make；
Login service device 245, the registering and logging for processing user is operated；
Authentication server 246, for platform validation process；
Version control server 247, for processing the download and edition upgrading of client-side program；
Online chatting server 248, for supporting the word and voice-enabled chat function of each client.
The server organization form extensibility is good, adapts to service the elastic telescopic of object scale, works as server stress
When very big, server can be deployed in respectively in different physical machines, be extended to server cluster pattern, and work as online number compared with
When few, also can all be deployed on same physical machine.These servers are organized using service discovery mechanisms, whole clothes
It can be found that all types of services in business device cluster mutually, such home server can easily find required clothes
Business, and without worrying whether required service is online, therebetween, central server 241 plays the effect of key, central server 241
First turn on, other servers all can register online/off-line state and subscribe to server interested to central server 241,
Central server 241 need to be monitored and forwarded, and without real time polling, alleviate the pressure of central server 241.
Embodiment 4
As shown in Figure 5 and Figure 6, the embodiment of the present invention 4 provides a kind of many role fire-fighting drill sides based on virtual reality
Method, comprises the steps：
S1 disposes hardware environment：Build expert room 31 and rehearsal room 32；
S2 creates virtual environment：According to the local relevant information that information gathering subsystem 1 is collected, virtual drilling is created
Practice scene, staffing and equipment facility；
S3 logging in system by user：Logged in by server connection and transport module 24, if user has had registration
Account, then directly with account login；Account is crossed as user is unregistered, then should first be registered and be logged in again；
S4 distribution rehearsal roles：Default role include：
Dao Tiao team, Chief Director, military observation group, in the expert room 31；
Chief Commanding Officer, detachment commanding officer, base conductor person, Basic soldier, insider, in the rehearsal room 32；
The task of different role is divided the work, viewing angle and physics rehearsal space are differed；
S5 performs rehearsal process：Each role divides the work according to set task, in client fire-fighting logic processing module 25
Process under complete specify rehearsal；
S6 rehearsals terminate, and by military observation, group is commented on, analyzed to this rehearsal.
The task and authority distribution of each role are as follows in step S4：
A. Dao Tiao team：It is responsible for research scenario, receives a crime report and command scheduling；
B. Chief Director：It is responsible for arranging the condition of a disaster in selected scene, and announces that rehearsal starts；
C. military observation group：It is responsible for observing whole manoeuvre process, and proposes guiding opinion；
D. commander in chief：With the view disaster-stricken scene of the first person, and according to situation real-time release order of putting out a fire to save life and property；
E. detachment/base conductor official：It is responsible for receiving superior command, distribution specific tasks and by the tasks carrying of subordinate personnel
Situation report-back is to higher commander；
F. Basic soldier：It is responsible to perform task of specifically putting out a fire to save life and property；
G. insider：Be responsible for report the condition of a fire, and at the scene for put out a fire to save life and property take action Informational support is provided.
The drilling method provided using the embodiment 4 carries out fire-fighting drill, during rehearsal, it is allowed to which multiple roles are carried out mutually
It is dynamic, include but are not limited to Dao Tiao team, Chief Director, military observation group, Chief Commanding Officer, detachment commanding officer, base conductor person, base
Layer soldier, wherein command centre, Chief Director, military observation group role entirely drill scene with God's view, other roles
Him is observed with first person to send as an envoy to the specific region of task.Enterprises can be completed to safety director by the system
Training, for daily safe lecture, unit can self-organization rehearsal；There is provided with unit of truly preventing fires to a line firefighterses
For the study of copy, training, familiar process.For the purpose of to improve its combat capabilities, improve fight efficiency, so as to avoid because of erroneous judgement
Or the inaccurate and caused disaster of information expands or casualties.
Embodiment 5
The present embodiment 5 provides a kind of many role's fire-fighting drill methods based on virtual reality on the basis of embodiment 4,
The concrete grammar that the embodiment 5 further defines step S2 is as follows：
S2.1 gathers jurisdictional information：Collection information personnel using collecting device fire brigade it is local to building, traffic,
Water power pipe network information carries out collection in worksite, and database is uploaded to after arrangement；
S2.2 gathers fire-fighting equipment information：Thermal man power, equipment of the information gathering librarian use collecting device to fire brigade
Parameter and service condition be acquired, database is uploaded to after arrangement；
S2.3 three-dimensional modelings：Data to collecting are modeled, while making pinup picture picture；
S2.4 scenes and equipment are rendered：Using rendering engine, by the reduction of personnel, equipment and environmental information equal proportion, and
Real-time rendering is carried out to three-dimensional scenic during logical process.
Collection jurisdictional information module understands first the essential information of building structure by CAD diagram, satellite mapping of building etc., so
Afterwards collection in worksite is carried out using collecting device, at the scene one by one verification confirms by main fire-fighting key element, and adopts conventional sign
It is labeled on drawing.Important facility is taken pictures simultaneously, subsequently through arrange confirmation it is errorless after, these are believed
Breath is arranged to store to be modeled for technical staff to database and used.Fire-fighting equipment information module is collected, for obtaining extinguishing vehicle
, the available strength of staffing send and service condition, fire extinguishing be equipped with equipment (illuminations, break-in tool, hydraulic giant, water band
Deng) parameter information etc., acquisition modes are that information gathering librarian use collecting device is shot on the spot and recorded.
Later stage environment deployment phase defers to the theory of immersion displaying, makes full use of current frontier science and technology, reduces as far as possible
Scene of fire.The arc curtain under various exhibition methods, including multistage rehearsal pattern is supported to show, the 3D helmets show, while interaction sets
It is standby to support mouse, keyboard, print hydraulic giant, intelligent radio handle.
Embodiment 6
As shown in fig. 6, the present embodiment 6 disappears on the basis of embodiment 4 there is provided a kind of many roles based on virtual reality
Anti- drilling method, the concrete grammar that the embodiment 6 further defines step S3 is as follows：
S3.1 opens central server (241)；
S3.2 starts login service device (245), sends server to central server (241) and reaches the standard grade synchronization message；
S3.3 login service devices (245) to central server sends service discovery synchronization message, represents to authentication server
(246), database broker server (243), database server (244) upper offline event it is interested, central server
(241) it is these event addition monitors；
During S3.4 user's application login system, central server (241) through to gateway server (242) function allocation and
The analysis of load balancing, forwards the request to gateway server (242), and gateway server (242) forwards a request to log in
Server (245), and the message to be returned such as asynchronous：
A. as game server (246), database broker server (243), database server (244) are not actuated, then
Login service device (245) cannot receive central server (241) with regard to verifying the message informing that above-mentioned server is reached the standard grade, and now return
Message " server connection failure " is returned, Jing NM servers (242) are transmitted to central server (241), are then forwarded to user；
B. as game server (246), database broker server (243), database server (244) have been turned on, then
Central server (241) receives the message that above-mentioned server reaches the standard grade and returns to login service device (245), login service device
(245) authentication server (246) is sent registration information to, authentication server (246) accesses database broker server
(243), database broker server (243) carries out inquiry operation to database server (244), and by result according to database
Proxy server (243)->Authentication server (246)->Login service device (245)->Gateway server (242)->Center service
Device (241)->The order of user returns to user；
When database server (244) is offline, related monitor monitors offline disappearing to S3.5 in central server (241)
Cease and return to game server (245)；If now login service device (245) is closed, send to central server (241)
Offline synchronization message, now central server (241) related monitor is closed.
As shown in fig. 7, because gateway server 242 is responsible for other servers of grouping management in addition to central server 241,
Gateway server 242 and central server 241 wouldn't be distinguished, the service discovery course of work between other each servers is such as
Under：
(1) A servers are reached the standard grade, and send synchronization message of reaching the standard grade to central server 241, and message format is：
Header:ONLINE_SYNC
Body:Int=>GroupType, uint=>Key, string=>IPAddress, int=>Port
GroupType represents the packet type of server；
Key represents the physical label of server, for one physical server of unique mark；
IPAddress represents the IP address of server；
Port represents the listening port number of server
(2) A servers subscribe to the up/down line service of B servers to server, and message format is：
Header:SERVICE_DISCOVERY_SYNC
Body:int[2]{GroupType,Options}
GroupType represents interested in which type of service
Options is represented and is serviced the option for more segmenting to which type of.There was only three kinds of options at present:
Online represent service is reached the standard grade it is interested
Offline represents offline interested in servicing
Both represents upper to service offline interested
(3) central server 241 creates a listening port and is responsible for monitoring the up/down line message of B servers；
(4) B servers are reached the standard grade, and send synchronization message of reaching the standard grade to central server 241；
(5) central server 241 listens to the message and sends service discovery to A servers and replys；
(6) A servers receive the message, when there is user's request, it is not necessary to inquire about the state of B servers, reduce not
Stop the bandwidth shared by the message transmission of requesting query B server states；
(7) B servers are offline, and send offline synchronization message to central server 241, and message format is：
Header:SERVICE_DISCOVERY_SYNC
Body:int[2]{GroupType,Options}
GroupType represents interested in which type of service
Options is represented and is serviced the option for more segmenting to which type of.There was only three kinds of options at present:
Online represent service is reached the standard grade it is interested
Offline represents offline interested in servicing
Both represents upper to service offline interested
(8) central server 241 listens to the message and sends the offline reply of service to A servers；
(9) A servers receive the message, and record B server state informations；
(10) unless the transmission of A servers unsubscribes message or A servers are unanimously online, the otherwise meeting of central server 241
The listening port is preserved always for monitoring the synchronization message of B servers.
The server cluster adopts service discovery mechanisms, the i.e. central server 241 will not real time polling each server
State, but listening port is opened, monitor up/down line, the subscription information of other servers.Certain server is subscribed to when there is server
Afterwards, central server 241 is its one listening port of unlatching, when its server up/down line interested, the listening port meeting
It is sent to message to instruct for the synchronous Subscriber status information that it is preserved.The cost of very little can be so used to ensure
The validity with message transmission is called between server, mitigates the pressure of central server 241.
Embodiment 7
As shown in Figure 8 and Figure 9, the present embodiment 7 provides a kind of based on the polygonal of virtual reality on the basis of embodiment 4
Color fire-fighting drill method, the concrete grammar that the embodiment 7 further defines step S5 is as follows：
S5.1 Dao Tiao team creates virtual rehearsal room；
S5.2 Dao Tiao team, Chief Director, military observation group enter expert room 31, and other roles enter rehearsal room 32, and step on
Land correspondence role enters virtual rehearsal room；
Content of examination is conferred by S5.3 Dao Tiao team, and scene is understood in advance, and arranges the condition of a disaster；Chief Director is with reference to Dao Tiao team
Result is conferred, the condition of a disaster addition scheme is drafted, after setting fire, the intensity of a fire, the wounded, trapped personnel, dangerous goods etc., examination is announced
Start, and start timing, click starts rehearsal；If examining process not limiting time, execution step S5.4 in step 1；Such as
Process limiting time, the then Rule of judgment whether follow-up all steps all additional periods terminate, if limit are examined in fruit step 1
Fix time to then all of action will terminate, execution step S5.9；
After S5.4 command centres receive a crime report, according to dangerous situation type and scale, check that each detachment can be with strength and according to distance
Radiation carries out priority allotment, hierarchically personnel depaly；
S5.5 commander in chief receives current task implementation progress and the condition of a disaster developing stage that subordinate commander reports, and assigns in time
Order is searched and rescued or withdrawn in attack；
S5.6 detachments commanding officer receives higher level's task, develops actual conditions with reference to the condition of a disaster and passes on task to subordinate, while will
The report of subordinate is reported without delay to commander in chief；
S5.7 base conductors official receives superior instructions, and issues specific tasks to Basic soldier, while by Basic soldier report
The implementation status of announcement carries out integration and is reported to higher commander；
The task of S5.8 Basic soldier executing commanders simultaneously reports implementation progress, waits next step to indicate；
S5.9 such as commanders in chief assign further action and indicate, then be back to S5.6；As commander in chief indicates that fight terminates or special
The disaster relief that family limits has timed out, then rehearsal terminates.
Divided the work by many roles, truer whole manoeuvre process, system, rationally are made, by multi-angle observation, to entirely drilling
Habit process carries out comprehensive assay, and sums up experience and lessons, and for actual combat reliable reference information is provided.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (9)
1. a kind of many role's fire-fighting drill systems based on virtual reality, it is characterised in that including the information for communicating connection successively
Acquisition subsystem (1), information management and logical process subsystem (2) and immersion show subsystem (3), described information collection
Subsystem (1) is for gathering manpower, the facility information of local environmental information and fire brigade；
Described information is managed and logical process subsystem (2) includes：
Modeling and rendering module (21), for carrying out parameter extraction to the information that described information acquisition subsystem (1) is gathered, and with
This carries out scene, equipment, Role Modeling and renders；
User management module (22), is allocated according to the role of user to its task and authority；
Knowledge data database management module (23), for storing the information of described information acquisition subsystem (1) collection, and in drilling
People information and trace information；
Server connects and data transmission module (24), is server and client for processing the service logic during putting out a fire to save life and property
Bi-directional communication channels are provided between end；
Client fire-fighting logic processing module (25), for processing multistage rehearsal during condition judgment, event capturing and
Logic is redirected；
The immersion shows subsystem (3) for providing hardware intermediaries required during rehearsal.
2. many role's fire-fighting drill systems of virtual reality are based on as claimed in claim 1, it is characterised in that described information is adopted
Subsystem (1) includes：
Jurisdictional information acquisition module (11), for gathering the local building in fire brigade, traffic and water power pipe network letter is laid
Breath；
Fire-fighting resource information acquisition module (12), for gathering the manpower of fire brigade, the parameter information of equipment and service condition.
3. many role's fire-fighting drill systems of virtual reality are based on as claimed in claim 1, it is characterised in that the server
Connection and data transmission module (24) include：
Central server (241), for monitoring the synchronization request of each server, message interested in each server is subscribed to
And distribution, while monitoring the load of each server；
Gateway server (242), for receiving the solicited message of client and being processed, and the solicited message is forwarded to
It is responsible for processing the server of the request, asynchronous wait-for-response message；
Database broker server (243), for processing additions and deletions of each server to database and changing operation is looked into, and by request data
Return to corresponding server；
Database server (244), for including the database maintenance work including data storage, schedule backup and data rewind
Make；
Login service device (245), the registering and logging for processing user is operated；
Authentication server (246), for platform validation process；
Version control server (247), for processing the download and edition upgrading of client-side program；
Online chatting server (248), for supporting the word and voice-enabled chat function of each client.
4. many role's fire-fighting drill systems of virtual reality are based on as claimed in claim 1, it is characterised in that the immersion
Show that subsystem (3) includes：
Expert room (31), the pool commander in arranging and drill for the condition of a disaster before rehearsal；
Rehearsal room (32), for providing rehearsal environment and showing that the evaluation after rehearsal is summarized.
5. many role's fire-fighting drill systems of virtual reality are based on as claimed in claim 4, it is characterised in that the expert room
(31) at least one client computer, projecting apparatus and projection screen are configured；The rehearsal room (32) configures some clients
End computer, three projecting apparatus and projection arc curtain.
6. a kind of many role's fire-fighting drill methods based on virtual reality, it is characterised in that comprise the steps：
S1 disposes hardware environment：Build expert room (31) and rehearsal room (32)；
S2 creates virtual environment：According to the local relevant information that information gathering subsystem (1) is collected, virtual rehearsal is created
Scene, staffing and equipment facility；
S3 logging in system by user：Logged in by server connection and transport module (24), if user has had registration account
Number, then directly with account login；Account is crossed as user is unregistered, then should first be registered and be logged in again；
S4 distribution rehearsal roles：Default role include:
Dao Tiao team, Chief Director, military observation group, in the expert room (31)；
Chief Commanding Officer, detachment commanding officer, base conductor person, Basic soldier, insider, in the rehearsal room (32)；
The task of different role is divided the work, viewing angle and physics rehearsal space are differed；
S5 performs rehearsal process：Each role divides the work according to set task, in client fire-fighting logic processing module (25)
Complete to specify rehearsal under process；
S6 rehearsals terminate, and by military observation, group is commented on, analyzed to this rehearsal.
7. many role's fire-fighting drill methods of virtual reality are based on as claimed in claim 6, it is characterised in that step S2
Concrete grammar it is as follows：
S2.1 gathers jurisdictional information：Collection information personnel is local to building, traffic, water power in fire brigade using collecting device
Pipe network information carries out collection in worksite, and database is uploaded to after arrangement；
S2.2 gathers fire-fighting equipment information：Thermal man power, the ginseng of equipment of the information gathering librarian use collecting device to fire brigade
Number and service condition are acquired, and database is uploaded to after arrangement；
S2.3 three-dimensional modelings：Data to collecting are modeled, while making pinup picture picture；
S2.4 scenes and equipment are rendered：Using rendering engine, by the reduction of personnel, equipment and environmental information equal proportion, and patrolling
Collect in processing procedure carries out real-time rendering to three-dimensional scenic.
8. many role's fire-fighting drill methods of virtual reality are based on as claimed in claim 6, it is characterised in that step S3
Concrete grammar it is as follows：
S3.1 opens central server (241)；
S3.2 starts login service device (245), sends server to central server (241) and reaches the standard grade synchronization message；
S3.3 login service devices (245) to central server sends service discovery synchronization message, represents to authentication server
(246), database broker server (243), database server (244) upper offline event it is interested, central server
(241) it is these event addition monitors；
During S3.4 user's application login system, central server (241) is through to gateway server (242) function allocation and load
Analyze in a balanced way, forward the request to gateway server (242), gateway server (242) forwards a request to Sign-On services
Device (245), and the message to be returned such as asynchronous：
A. as game server (246), database broker server (243), database server (244) are not actuated, then log in
Server (245) cannot receive central server (241) and return with regard to verifying the message informing that above-mentioned server is reached the standard grade, now and disappear
Breath " server connection failure ", Jing NM servers (242) are transmitted to central server (241), are then forwarded to user；
B. such as game server (246), database broker server (243), database server (244) have been turned on, then center
Server (241) receives the message that above-mentioned server reaches the standard grade and returns to login service device (245), and login service device (245) will
Log-on message is sent to authentication server (246), and authentication server (246) accesses database broker server (243), database
Proxy server (243) carries out inquiry operation to database server (244), and by result according to database broker server
(243)->Authentication server (246)->Login service device (245)->Gateway server (242)->Central server (241)->With
The order at family returns to user；S3.5 when database server (244) is offline, related monitoring in central server (241)
Device monitors offline message and returns to game server (245)；If now login service device (245) is closed, genuinely convinced in
Business device (241) sends offline synchronization message, and now central server (241) closes related monitor.
9. many role's fire-fighting drill methods of virtual reality are based on as claimed in claim 6, it is characterised in that step S5
Concrete grammar it is as follows：
S5.1 Dao Tiao team creates virtual rehearsal room；
S5.2 Dao Tiao team, Chief Director, military observation group enter expert room (31), and other roles enter rehearsal room (32), and step on
Land correspondence role enters virtual rehearsal room；
S5.3 Chief Directors are selecting setting fire and related dangerous situation in scene, and click starts rehearsal, while timer starts timing；
After S5.4 command centres receive a crime report, according to dangerous situation type and scale, check that each detachment can be with strength and according to distance radiation
Carry out priority allotment, hierarchically personnel depaly；
S5.5 commander in chief receives current task implementation progress and the condition of a disaster developing stage that subordinate commander reports, and attack is assigned in time
Or search and rescue or withdraw order；
S5.6 detachments commanding officer receives higher level's task, develops actual conditions with reference to the condition of a disaster and passes on task to subordinate, while by subordinate
Report report without delay to commander in chief；
S5.7 base conductors official receives superior instructions, and issues specific tasks to Basic soldier, while Basic soldier is reported
Implementation status carries out integration and is reported to higher commander；
The task of S5.8 Basic soldier executing commanders simultaneously reports implementation progress, waits next step to indicate；
S5.9 such as commanders in chief assign further action and indicate, then be back to S5.6；As commander in chief indicates that fight terminates or expert room
The disaster relief of restriction has timed out, then rehearsal terminates.
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