CN101976278B - Virtual reality technique-based airplane landing aid system and method thereof - Google Patents
Virtual reality technique-based airplane landing aid system and method thereof Download PDFInfo
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- CN101976278B CN101976278B CN201010500078.1A CN201010500078A CN101976278B CN 101976278 B CN101976278 B CN 101976278B CN 201010500078 A CN201010500078 A CN 201010500078A CN 101976278 B CN101976278 B CN 101976278B
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Abstract
The invention discloses a virtual reality technique-based airplane smooth landing aid system and a method thereof, belonging to the field of aviation service. The system of the invention comprises a data acquisition module, a virtual reality processing module and a display module. The method of the invention includes that: when an airplane is landing, a real-time pictures of relative position between the current airport road surface and airplane landing wheels are simulated at a control terminal by adopting virtual reality technique and combining an airport road surface real-time picture and airplane landing wheel sensor data. The real-time pictures are beneficial for a pilot to operate and judge, thus judging of the pilot on flight path and airplane position can be more visual. According to real-time relative position, optimal place, optimal angle and optimal speed for landing are obtained by terminal simulation, so as to aid the pilot to realize smooth landing of airplane.
Description
Technical field
The present invention relates to the aircraft stable landing control method based on virtual reality technology, belong to Aeronautical Service field and computer simulation emulation field.
Background technology
Along with making rapid progress of space flight and aviation technology, aircraft more and more becomes a kind of indispensable vehicles of modern society, safe take-off for aircraft, flight has also had new definition and requirement with landing, thereby this case has proposed a kind of aircraft stable landing method based on virtual reality technology, with assisting in flying person, realize more steady and safe aircraft landing.
Aircraft landing in the past mainly relies on pilot's experience and the auxiliary of instrument numerical value to land, and on near-earth height, judgement aircraft altitude and rate of descent should be take observation storehouse external environment as main, numerical value shown in instrument is out of true and have hysteresis now, only can be used as reference, therefore cause unavoidably the landing of aircraft unstable.And great aircraft accident, great majority occur in entering nearly landing process at aircraft, particularly run into the meteorological trap forming under IFR conditions, be that horizontal visibility meets aerodrome op erating minimum, but pilot is in entering nearly landing process, the slant visibility of in fact seeing is very poor, in the time of can not finding in time in decision height and aim at airfield runway, easily cause a serious accident.
Landing process: main wheel before this, namely after undercarriage first land; Because finally will have one to draw the journey of sailing (head raises up, and motor power is down to minimum) at aircraft landing, for before landing, reduce exactly buffering, reduce sinking speed, thereby the destruction of impulsive force to body while reducing to land.Be finally that nosewheel lands, namely nose-gear lands.Before this, undercarriage landed, was then nose-gear.Therefore the research of namely controlling for aircraft landing wheel for the research of aircraft stable landing.
Summary of the invention
Technical matters to be solved by this invention is some defects that exist for current aircraft landing smoothness, a kind of aircraft stable landing method based on virtual reality technology providing.
The present invention for achieving the above object, adopts following technical scheme:
The present invention is based on the aircraft stable landing backup system of virtual reality technology, comprise display module in data acquisition module, virtual reality processing module and cabin, pilot is the operator of described system, pilot starts described system, data acquisition module BOB(beginning of block) image data is also sent to virtual reality processing module by the data of collection and is processed, and the view data that virtual reality processing module is handled shows in display module with assisting in flying person and carries out landing operation in cabin.
Preferably, the computing machine in described virtual reality processing module receives the aircraft landing wheel of the sensor detection that is installed on aircraft landing wheel and the signal of ground distance, is created on the virtual scene of aircraft and ground distance.
The control method of the aircraft stable landing backup system based on virtual reality technology comprises the steps:
1), when aircraft enters near landing, pilot opens landing backup system;
2) laser range sensor being positioned on aircraft landing wheel is started working, and landing wheel and ground distance between the surface data are sent to the computing machine in virtual reality processing module;
3) computer run virtual reality software, by the range data between the landing wheel receiving and ground simulate aircraft with ground relation of plane virtual scene;
4) virtual scene being gone out by virtual reality software simulation shows in display in cabin, and pilot, according to the aircraft providing in virtual scene and ground relation, selects best landing scheme, to realize the stable landing of aircraft.
The present invention with the operation of common landing in the past different be, landing in the past operation be all according to pilot's flying experience, carry out even up, flatly waft, ground connection, on near-earth height, judged that aircraft altitude and rate of descent were all to take astrodome external environment as main in the past, and the simulation of the extravehicular environment demonstrating by virtual reality technology, the most intuitively obtain the reference of aircraft altitude and rate of descent can to pilot, solve in the past ubiquitous problem in aircraft landing, therefore must realize the stable landing of aircraft to the full extent.
Accompanying drawing explanation
Fig. 1 is system module composition diagram of the present invention;
Fig. 2 is workflow diagram of the present invention;
Fig. 3 is the workflow diagram of virtual reality processing module;
Fig. 4 is horizontal virtual reality image in display in cabin;
Fig. 5 is longitudinal virtual reality image in display in cabin.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme of invention is elaborated:
In Fig. 1, display module in virtual reality module, data acquisition module, cabin, be all to be completed by the hardware facility being installed on aircraft, pilot is startup person and the effector of system.The main modular of system is virtual reality module, it is sent to the real time modelling image of actual environment to be presented in pilot's display in front, can allow the true aircraft of must experiencing of pilot with respect to the change in location on airport, be conducive to that pilot is better must complete landing process, realize aircraft stable landing.
Fig. 2 and Fig. 3 are the workflow diagrams of the aircraft stable landing method based on virtual reality technology.
First, when aircraft enters near landing, pilot starts auxiliary landing system, by virtual reality technology, realizes the stable landing of aircraft.
Secondly, computer run virtual reality software, the range data of comprehensively passing back and be pre-stored in airport and the airplane data in computing machine, simulates the relative position of current aircraft and airfield runway, completes virtual reality.The workflow diagram of virtual reality processing module as shown in Figure 3, when pilot opens this auxiliary landing system, computing machine is first according to being preset at the airport data in internal memory, complete the generation of airport environment, and in the scene of airport, pack aircraft three-dimensional model into, distance measuring sensor is set and starts working, this has just completed the initialization for this system virtualization reality.Then enter computing machine for the instant virtual process of reality, computing machine reads the landing wheel that records and the distance between ground, according to the actual range of measuring and calculating in advance and the distance proportion relation in three-dimensional scenic, draw model aircraft new position data in scene, upgrade three-dimensional model aircraft with respect to the position of airport virtual scene.Completed after the once renewal for aircraft three-dimensional model, again read distance measuring sensor data, until aircraft stable landing, pilot closes landing backup system.
Again as shown in Figure 4 and Figure 5, by virtual reality picture disply on the display of driving cabin control panel.Whether the analog image obviously generating by virtual reality, not only can be clearly seen that overall aircraft is with respect to airfield runway position, but also can observe two wheels that land afterwards, be positioned in same level.Observation overall aircraft is with respect to the meaning of airfield runway position: determine intuitively aircraft aircraft elevation angle in the flat journey of sailing, if the elevation angle empennage bigger than normal contacts to earth, cause and land unsuccessfully, the elevation angle wheel that lands afterwards less than normal cannot first contact to earth, also cause and land unsuccessfully, the therefore image with respect to airfield runway by overall aircraft, pilot can intuitively must judge the aircraft elevation angle, and handle in time, select the best elevation angle; To guarantee the stable landing of aircraft; After observing landing wheel whether meaning be in the same horizontal line: after gear down, whether two wheels that land afterwards have just determined the stable landing of aircraft in same level, if two landing wheels are not in same level, during landing because left and right wheels does not land simultaneously, just can cause the vibrations of fuselage, the serious aircraft that also can cause guns off the runway, by virtual reality image, can intuitively must observe left and right wheels position, assisting in flying person completes the stable landing of aircraft; Finally, pilot carries out landing operation.
Claims (2)
1. the aircraft stable landing backup system based on virtual reality technology, it is characterized in that this system comprises display module in data acquisition module, virtual reality processing module and cabin, pilot is the operator of described system, pilot starts described system, data acquisition module BOB(beginning of block) image data is also sent to virtual reality processing module by the data of collection and is processed, and the view data that virtual reality processing module is handled shows in display module with assisting in flying person and carries out landing operation in cabin; Computing machine in described virtual reality processing module receives the aircraft landing wheel of the sensor detection that is installed on aircraft landing wheel and the signal of ground distance, generate the virtual scene of aircraft and ground distance, laterally can adjust the liftoff spacing of left and right wheels, it is landed simultaneously; Longitudinally can adjust its landing angle, make its grease it in.
2. a control method for the aircraft stable landing backup system based on virtual reality technology based on described in claim l, is characterized in that comprising the steps:
1) when aircraft approaches landing, pilot opens landing backup system;
2) laser range sensor being positioned on aircraft landing wheel is started working, and landing wheel and ground distance between the surface data are sent to the computing machine in virtual reality processing module;
3) computer run virtual reality software, by the range data between the landing wheel receiving and ground simulate aircraft with ground relation of plane virtual scene;
4) virtual scene being gone out by virtual reality software simulation shows in display in cabin, and pilot, according to the aircraft providing in virtual scene and ground relation, selects best landing scheme, to realize the stable landing of aircraft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010500078.1A CN101976278B (en) | 2010-09-29 | 2010-09-29 | Virtual reality technique-based airplane landing aid system and method thereof |
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| CN201010500078.1A CN101976278B (en) | 2010-09-29 | 2010-09-29 | Virtual reality technique-based airplane landing aid system and method thereof |
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| CN101976278A CN101976278A (en) | 2011-02-16 |
| CN101976278B true CN101976278B (en) | 2014-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251734A (en) * | 2016-10-12 | 2016-12-21 | 大连文森特软件科技有限公司 | A kind of vehicle drive training and examination system based on virtual reality technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054380A (en) * | 2010-12-16 | 2011-05-11 | 成都西麦克虚拟现实电子技术有限公司 | Configurable virtual avionic system |
| CN103287584B (en) * | 2012-03-01 | 2015-12-16 | 上海工程技术大学 | A kind of aircraft video landing ancillary system |
| CN104006790A (en) * | 2013-02-21 | 2014-08-27 | 成都海存艾匹科技有限公司 | Vision-Based Aircraft Landing Aid |
| FR3005727B1 (en) * | 2013-05-15 | 2020-03-06 | Airbus Operations | METHOD AND DEVICE FOR DISPLAYING THE PERFORMANCE OF AN AIRCRAFT ON AND OFF AND / OR DESCENT. |
| JP6288665B2 (en) * | 2013-09-12 | 2018-03-07 | 国立研究開発法人宇宙航空研究開発機構 | Landing judgment support system, landing judgment support method, and landing judgment support program |
| CN106323332A (en) * | 2016-08-09 | 2017-01-11 | 安庆建金智能科技有限公司 | Airplane-descending auxiliary device with laser detection device |
| CN109062078A (en) * | 2018-08-13 | 2018-12-21 | 中国科学院长春光学精密机械与物理研究所 | VTOL fixed-wing system for flight control computer simulation test platform |
| CN109507686B (en) * | 2018-11-08 | 2021-03-30 | 歌尔光学科技有限公司 | Control method, head-mounted display device, electronic device and storage medium |
| CN109613929B (en) * | 2018-12-12 | 2022-11-25 | 北京卫星信息工程研究所 | Flight precision approach and landing method and system |
| CN110503001A (en) * | 2019-07-25 | 2019-11-26 | 青岛小鸟看看科技有限公司 | A kind of Virtual Reality equipment and its barrier-avoiding method, device |
| CN112960128B (en) * | 2021-03-26 | 2022-11-22 | 广东汇天航空航天科技有限公司 | Auxiliary landing method and device for airplane |
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| CN1356675A (en) * | 2001-12-21 | 2002-07-03 | 北京航空航天大学 | Analog flight training equipment for manipulator of robot helicopter |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356675A (en) * | 2001-12-21 | 2002-07-03 | 北京航空航天大学 | Analog flight training equipment for manipulator of robot helicopter |
Non-Patent Citations (1)
| Title |
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| 戴中兴等.基于视觉的小型垂直起降UAV降落引导技术.《广州大学学报（自然科学版）》.2010,第9卷(第1期),第30-31页. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251734A (en) * | 2016-10-12 | 2016-12-21 | 大连文森特软件科技有限公司 | A kind of vehicle drive training and examination system based on virtual reality technology |
| CN106251734B (en) * | 2016-10-12 | 2018-10-02 | 快创科技（大连）有限公司 | A kind of vehicle drive training and examination system based on virtual reality technology |
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| CN101976278A (en) | 2011-02-16 |
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