CN102254465A - Aircraft safety warning system based on virtual technology - Google Patents
Aircraft safety warning system based on virtual technology Download PDFInfo
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- CN102254465A CN102254465A CN2011101518936A CN201110151893A CN102254465A CN 102254465 A CN102254465 A CN 102254465A CN 2011101518936 A CN2011101518936 A CN 2011101518936A CN 201110151893 A CN201110151893 A CN 201110151893A CN 102254465 A CN102254465 A CN 102254465A
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Abstract
The invention discloses an aircraft safety warning system based on a virtual technology. The theory of airborne safety warning equipment is mainly used. Designs of a flight dynamics model and instrument control of a B737-NG aircraft are realized by using an ActiveX technology. A cabin of the system is designed by imitating a Boeing aircraft. An instrument can be enlarged and reduced. A steering wheel, a thrust rod and other operation equipment can be freely controlled. The system has the characteristics of really displaying a three-dimensional view and the geography. The system can not only realize the function of manually operating the aircraft to enter various types of alarm states, but also realize the functions of freely setting through a faculty machine so as to enable the aircraft to automatically enter various types of alarm states, and then enable the student machine to do the alarm clearing practice. The simulation of the virtual-real-time interactive aircraft cabin is realized. The imitation of human virtual complex control behaviours is realized. The system realizes the unification of the display of a virtual aircraft target queue on a virtual B737-800 navigation display instrument in the simulation of a TCAS (Traffic Collision Avoidance System) system and the display of the same in a vision system. The system disclosed by the invention has the advantages of being simple for operation, convenient for setting, real for alarm image and friendly in human-computer interface.
Description
Technical field
The present invention relates to aircraft safety warning system, particularly a kind of virtual aircraft safety warning system with three-dimensional vision according to the aerodynamic principle design based on virtual technology.
Background technology
Safety is the Air Branch Eternal Theme.In order to guarantee flight safety, present generation aircraft has been installed the good safety warning equipment of many performances, and has obtained good effect.But normally in-flight, these safety warning equipment can not reported to the police, and do not need the pilot to make disposal yet.If things go on like this, will make the pilot lack necessary hands-on, if security incident, even apartment warning is reported to the police, but the pilot can not correct understanding and disposes rapidly, will jeopardize flight safety, lead to aircraft accident.
For example in China, refined gram 42 aircrafts of China's navigation on July 31st, 1992 are in Nanjing during the field takeoff of big competiting place, fail correctly to use autoflight system, have closed caution signal mistakenly simultaneously, and aircraft guns off the runway, and causes first-class aircraft accident; November in 1993, the MD82 of China Northern Airline on the 13rd aircraft advanced on the airport, Urumchi when near, failed correctly to use height indicator to cause aircraft altitude low excessively, and ground proximity warning system is reported to the police, but unit can not be understood last air crash.Abroad, owing to the example that can not correctly use avionic device to influence aviation safety then has more report.
Domesticly do not see the civil aircraft safety warning device emulation training system of having developed based on PC and virtual technology, comprising: the bibliographical information of real-time simulation ground proximity warning system, real-time simulation enhancement mode ground proximity warning system, real-time simulation air traffic warning and collision avoidance system, real-time simulation wind shear early warning system and real-time simulation fire alarm system, Mach/air speed warning, stall warning, the form of taking off warning, undercarriage form warning system.
Domesticly do not see based on PC, utilize OpenGL to develop scalable real-time interactive Large Civil Aircraft virtual cockpit, utilize the ActiveX technology to realize B737-NG aircraft flight kinetic model and instrument control, in the dimensional topography what comes into a driver's that irregular grid makes up, adopt the bibliographical information of QuadTree and triangle collision detection technology fast detecting aircraft radio height.
At present, the pilot can only carry out on analog machine the use training of warning system.Analog machine training authenticity is strong, but cost height, particularly training time are limited, can not independently carry out according to pilot's needs, often carry out, and this just can not fundamentally improve the skill level that the pilot uses warning system.In addition, current also do not have a better way.
Summary of the invention
In order to overcome the defective that above-mentioned prior art exists, the invention provides a kind of aircraft safety warning system based on virtual technology.
System adopts Windows XP operating system as platform, utilizes the exploitation of Visual Studio.NET 2003 development environments to finish, and total system can be finished all analog operation on a computing machine, also can realize on two computing machines by network.The sort of mode no matter, communication is all carried out by network and teacher position in flight position (a student position).
Above-mentioned aircraft safety warning system based on virtual technology is used the C++ program language under Microsoft Visual Studio.NET 2003 development environments, utilize Object-Oriented Technology to finish.Software mainly comprises flight dynamics emulation module, what comes into a driver's module, virtual instrument module, instructor station's module, audio processing module, operating rod and input module switch, engine block, network communication module, navigation calculating and navigation data administration module.
The said system master routine is based on the application program of dialog box, for the real-time of assurance system operation, has used multithreading and multi-process technology.The main thread operational process of system's host process is mainly controlled by a timer and is finished.Carry out communication by Winsock between instructor station's process and the host process.The instructor station can monitor the flight process, and state of flight (as changing aircraft position, freezing parameters, fault etc. being set) is set, and flight condition can show on the instructor station fully.It mainly is to consider can to monitor all flight positions in network schemer next one instructor station position that flight and instructor station are divided into two processes, so native system can use under network environment and on unit.
Because the precision of timer that self provides of Windows system is lower and have a very low thread priority, therefore can not use the timer of this timer as this system, in order to guarantee that this real-time emulation system has accurate timer, designed timer with Millisecond precision, the author has used only using for Windows 95 and later release thereof that Visual C++ provides, and requires computing machine to support split-second precision function Q the ueryPerformanceFrequency () function and the QueryPerformanceCounter () function of high accurate calculagraph to design high-precision based on the timing of events device from hardware.The whole software system works under the control of timer.
The passenger cabin of above-mentioned aircraft safety warning system based on virtual technology is copied widely used Boeing design, instrument can be amplified and dwindled, control wheel, distance rod and other maneuvering device can freely be controlled (as Fig. 4,5,6), three-dimensional vision, gound-mapping authentic image.System can enter various alarm condition by the hand control aircraft, also can be provided with also arbitrarily by the instructor station and enter various alarm condition automatically, removes exercise then, and is simple to operate, is provided with conveniently, and the image of reporting to the police is true, man-machine interface close friend.
In the said system, utilize the ActiveX technology to realize B737-NG aircraft flight kinetic model and instrument control.
Said system has designed the virtual reality B737-800 passenger cabin environment based on the OpenGL graph technology, and system performance and image quality and international GLStudio software are approaching.Realized the emulation of virtual real-time interactive aircraft cockpit; Realized the simulation of people's virtual complicated control behavior.
Above-mentioned aircraft safety warning system based on virtual technology is a kind of real-time three-dimensional vision system based on the OpenGL graph technology of development voluntarily, bag (as: the VEGA but not employing third party industry real-time graph develops software, OpenGVS) secondary development, but that system performance and graphical quality and employing third party graphical development are unwrapped the visual system of sending out is approaching.Structuring, the systematization exploitation of airport database have been realized.
Said system adopts 3DSMAX software and Photoshop software to carry out airport three-dimensional data base modeling, find out the airport modeling than rational method, thereby reduced the modeling time, improved fidelity.Alternative traditional employing Multigen Creator software modeling method.
Said system has realized that the virtual aircraft object queue is in the demonstration of virtual B737-800 navigation Displaying Meter and the unification in the visual system in the TCAS system emulation.
Above-mentioned aircraft safety warning system based on virtual technology has realized virtual real-time EGPWS gound-mapping and the warning of forward sight landform, has reported to the police.
Description of drawings
Fig. 1 is a synoptic diagram of the present invention.
Fig. 2 is the flight surface chart.
Fig. 3 handles surface chart for the teacher position.
Fig. 4 is real-time interactive virtual emulation MCP under the amplification mode and EFIS control panel.
Fig. 5 handles control desk for the real-time interactive virtual emulation.
PFD, ND instrument screenshot capture when Fig. 6 takes place for the warning of simulated flight mesorelief forward sight.
Embodiment:
Be easy to understand understanding in order to make creation characteristic of the present invention, technological means and to reach purpose, further set forth the present invention below in conjunction with specific embodiment.
Embodiment:
After succeeding in developing based on the aircraft safety warning system of virtual technology, be used for course teachings such as " avionic device ", " air environment ", carried out test, modification, use by aeronautical theory teacher, analog machine teacher, pilot simultaneously.
This system can freely arrange the time, the place, the autonomous learning training, and method flexibly, initiatively has very strong practicality for pilot's study and training aircraft safety apartment warning, enhancement flight safety; System can hand control enter various alarm condition, also can be provided with and enter automatically various alarm condition arbitrarily by the instructor station, comprise all important safety warning devices of aircraft: ground proximity warning system GPWS, enhancement mode ground proximity warning system EGPWS, air traffic warning and collision avoidance system TCAS, wind shear early warning system PWS, fire alarm system, stall-warning system, aircraft form warning system etc., remove exercise, operation then.
This system guarantees that for the ABC and the operative technique of study and training aircraft safety apartment warning flight safety has good meaning.Advise that this system applies in reequiping study and pilot's autonomous learning, exercise.
The aircrew can be installed in this simulation training software on ordinary individual's computing machine, and the knowledge of autonomous learning safety warning system is independently simulated interactive operation, the treatment procedures after the using method of exercise warning system, alerting signal, the warning.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. aircraft safety warning system based on virtual technology, it is characterized in that, described system mainly utilizes the ActiveX technology to realize B737-NG aircraft flight kinetic model and instrument control on PC, utilize OpenGL to develop scalable real-time interactive Large Civil Aircraft virtual cockpit and comprise two operation interfaces, a flight control interface (as Fig. 2), teacher's PC 1 is handled interface (as Fig. 3), operation is practised for the user in the flight control interface, teacher's PC adopts QuadTree and triangle collision detection technology fast detecting aircraft radio height for aircraft and alarm condition are set in the dimensional topography what comes into a driver's that irregular grid makes up.
2. the aircraft safety warning system based on virtual technology according to claim 1, it is characterized in that, the student has two kinds of emulation exercise modes at student's PC 2,6: autonomous flight is also carried out the various warnings exercise of reporting to the police, and sets in advance the warning type of alarm and practises.
3. the aircraft safety warning system based on virtual technology according to claim 1, it is characterized in that, system can carry out the manipulation of virtual driving dish, virtual control stand by mouse 3,7, perhaps handle by keyboard 4,8 shortcuts, also can handle with game paddle 5,9 (or control wheel), total system can realize on two or many computing machines by network, also can finish all analog operation on a computing machine.
4. according to the described aircraft safety warning system of claim 1-3 based on virtual technology, it is characterized in that software mainly comprises flight dynamics emulation module, what comes into a driver's module, virtual instrument module, instructor station's module, audio processing module, operating rod and input module switch, engine block, network communication module, navigation calculating and navigation data administration module.
5. the aircraft safety warning system based on virtual technology according to claim 1, it is characterized in that, the main thread operational process of system's host process is mainly controlled by a timer and is finished, carry out communication by Winsock between instructor station's process and the host process, the instructor station can monitor the flight process, state of flight (as changing aircraft position, freezing parameters, fault etc. being set) is set, and flight condition can show on the instructor station fully.
6. the aircraft safety warning system based on virtual technology according to claim 1, it is characterized in that, system's passenger cabin is copied widely used Boeing design, instrument can be amplified and dwindled, control wheel, distance rod and other maneuvering device can freely be controlled, three-dimensional vision, gound-mapping authentic image, realized the demonstration and the unification in the visual system of virtual aircraft object queue in the TCAS system emulation at virtual B737-800 navigation Displaying Meter, The Realization of Simulation real-time EGPWS gound-mapping and the warning of forward sight landform, warning.
7. the aircraft safety warning system based on virtual technology according to claim 1, adopt 3DSMAX software and Photoshop software to carry out airport three-dimensional data base modeling, find out the airport modeling than rational method, thereby reduced the modeling time, improved fidelity, alternative traditional employing Multigen Creator software modeling method.
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Cited By (8)
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| CN103136979A (en) * | 2011-11-29 | 2013-06-05 | 中国商用飞机有限责任公司 | Airplane comprehensive procedural training device and throttle lever device |
| CN104408990A (en) * | 2014-11-14 | 2015-03-11 | 上海交通大学 | Pilot alarming delay testing system |
| CN104992587A (en) * | 2015-07-06 | 2015-10-21 | 南京航空航天大学 | Analog simulation system |
| CN105334753A (en) * | 2015-12-02 | 2016-02-17 | 上海航空电器有限公司 | Ground proximity warning visual simulation verification platform system and method |
| CN105699103A (en) * | 2014-11-28 | 2016-06-22 | 上海航空电器有限公司 | Portable enhanced ground proximity alarm system test device |
| CN107665071A (en) * | 2016-07-28 | 2018-02-06 | 泰勒斯公司 | The method of the graphically managing symbol in the three-dimensional synthesis view of scenery external in airborne display system |
| CN108027908A (en) * | 2015-09-07 | 2018-05-11 | 邵尔殷公司 | Analogy method and system |
| CN115248955A (en) * | 2022-09-22 | 2022-10-28 | 天津德新航空科技有限公司 | Airplane teaching training case development system based on principle visual interactive simulation |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136979A (en) * | 2011-11-29 | 2013-06-05 | 中国商用飞机有限责任公司 | Airplane comprehensive procedural training device and throttle lever device |
| CN104408990A (en) * | 2014-11-14 | 2015-03-11 | 上海交通大学 | Pilot alarming delay testing system |
| CN104408990B (en) * | 2014-11-14 | 2017-07-18 | 上海交通大学 | A kind of pilot alerts delayed test system |
| CN105699103A (en) * | 2014-11-28 | 2016-06-22 | 上海航空电器有限公司 | Portable enhanced ground proximity alarm system test device |
| CN105699103B (en) * | 2014-11-28 | 2018-12-25 | 上海航空电器有限公司 | A kind of portable enhanced ground proximity warning system test equipment |
| CN104992587A (en) * | 2015-07-06 | 2015-10-21 | 南京航空航天大学 | Analog simulation system |
| CN108027908B (en) * | 2015-09-07 | 2022-06-07 | 邵尔殷公司 | Simulation method and system |
| CN108027908A (en) * | 2015-09-07 | 2018-05-11 | 邵尔殷公司 | Analogy method and system |
| CN105334753A (en) * | 2015-12-02 | 2016-02-17 | 上海航空电器有限公司 | Ground proximity warning visual simulation verification platform system and method |
| CN107665071A (en) * | 2016-07-28 | 2018-02-06 | 泰勒斯公司 | The method of the graphically managing symbol in the three-dimensional synthesis view of scenery external in airborne display system |
| CN107665071B (en) * | 2016-07-28 | 2022-05-31 | 泰勒斯公司 | Method for graphically managing symbols in three-dimensional composite views of external landscapes in airborne display system |
| CN115248955A (en) * | 2022-09-22 | 2022-10-28 | 天津德新航空科技有限公司 | Airplane teaching training case development system based on principle visual interactive simulation |
| CN115248955B (en) * | 2022-09-22 | 2022-12-13 | 天津德新航空科技有限公司 | Airplane teaching training case development system based on principle visual interaction simulation |
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Application publication date: 20111123 |