CN107464471B - A kind of display system and control method for flight simulator - Google Patents
A kind of display system and control method for flight simulator Download PDFInfo
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- CN107464471B CN107464471B CN201710674437.7A CN201710674437A CN107464471B CN 107464471 B CN107464471 B CN 107464471B CN 201710674437 A CN201710674437 A CN 201710674437A CN 107464471 B CN107464471 B CN 107464471B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
- G09B9/24—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer including display or recording of simulated flight path
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
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Abstract
The invention belongs to flight simulation technology fields, a kind of display system for flight simulator is disclosed, signal acquisition and state display module, the avionics resolving host being connected with control signal acquisition and state display module, the multiple graphic solution hosts being connected with avionics resolving host and the multiple display terminals being connected with graphic solution host are controlled；Control signal acquisition and state display module are used to acquire the control signal of multiple Multi-function display control units and synthetic backup flying instruments, and the state for controlling signal is shown；Avionics resolves host and is used to control the logic resolving of signal and receives the input data of external system, and sends multiple graphic solution hosts to；Graphic solution host is used to for received data being converted into corresponding character, symbol, data object and carries out real-time rendering, and is transmitted to corresponding display terminal and carries out real-time display.Programming system occupancy can be effectively reduced in the present invention, improve communication efficiency, facilitate later system realization and later maintenance.
Description
Technical field
The invention belongs to flight simulation technology fields, and in particular to a kind of display system and control for flight simulator
Method.
Background technique
Important subsystem of the display control program as aircraft avionics system on aircraft, predominantly pilot intuitively mention
It further include the image information such as weather radar alarm, Distal promoter for parameter informations such as flight, navigation, fire control, engines,
Command information can also be issued to aircraft related system simultaneously, provide effective channel for human-computer dialogue.Modern airliner
Display control program all use the technologies such as current advanced Open architecture, IMA and advance data bus, system it is integrated
To spend higher and higher, function is also stronger and stronger, and mostly use the software based on OpenGL to develop greatly the design of software,
It can satisfy the requirement of the flight simulator of general rank, but in the design of the display control program to D grades of flight simulators,
For weather radar, the requirement of Distal promoter is relatively high, and design is unable to satisfy if only being developed with the software of OpenGL
It is required that and directly adopt OpenGL language and developed, the development cycle is long, and difficulty is big, and process is cumbersome, and Costco Wholesale
Height, working service is complicated, and not conveniently scalable transformation.Therefore, it is badly in need of a kind of new design method to meet D grades of flight simulators
The design requirement of display control program.
Summary of the invention
The present invention provides a kind of display systems and control method for flight simulator, solve existing display & control system
Development cycle is long, and difficulty is big, and process is cumbersome, and Costco Wholesale is high, and working service is complicated, and not conveniently scalable transformation, can not
The problem of meeting the design requirement of the display control program of D grades of flight simulators.
The present invention can be achieved through the following technical solutions:
A kind of display system for flight simulator, including control signal acquisition and state display module and the control
The connected avionics of signal acquisition and state display module processed resolves host, resolves multiple figure solutions that host is connected with the avionics
The multiple display terminals calculating host and being connected with the graphic solution host；
The control signal acquisition and state display module are standby for acquiring multiple Multi-function display control units and synthesis
The control signal of part flying instruments, and the state of the control signal is shown,
The avionics resolves host and is used to control the logic resolving of signal and receives the input data of external system, and will connect
The input data of receipts and the data transmission after resolving give multiple graphic solution hosts,
The graphic solution host is used to receive the data that avionics resolves host transmission, and received data is converted into phase
Character, symbol, the data object answered carry out real-time rendering, and the figure of real-time rendering is transmitted to corresponding display terminal and is carried out
Real-time display.
Further, the control signal acquisition resolves host with avionics by serial ports with state display module and is connected, described
Avionics resolves host and each graphic solution host and is communicated by the non-block type udp protocol of Ethernet, each graphic solution master
Machine is connected by VGA video line with corresponding display terminal.
Further, the control signal acquisition and state display module include two Multi-function display control units and one
Synthetic backup flying instruments, the terminal have nine, respectively two flight displays, two navigation indicators,
Two engines and alarm parameter display, two Multi-function display control units and a synthetic backup flying instruments.
A kind of control method based on the display system described above for flight simulator, comprising the following steps:
Step 1: acquiring each Multi-function display control unit and each key of synthetic backup flying instruments, rotation respectively
The control signal of button, band switch, and send the control signal to avionics and resolve host；
Step 2: according to the control signal received, according to the display control program for the aircraft model simulated, the boat
Electrolysis calculates host and carries out logic resolving, and the state of control signal described after resolving is sent to each Multi-function display control unit
Status display is carried out with synthetic backup flying instruments, so that pilot carries out state confirmation；
Distinguish in fact Step 3: the avionics resolves host by the data after resolving and from the received input data of external system
When be sent to each graphic solution host, each graphic solution host by received data be converted into corresponding character,
Symbol, data object carry out real-time rendering；
It is carried out in fact Step 4: the figure of real-time rendering is transmitted to corresponding display terminal by each graphic solution host
When show.
Further, the state for signal being controlled after the resolving in the step 2 includes being arranged in Multi-function display control unit
Course line editor and selection, way point editor and selection, Tacan platform voll platform longitude and latitude, be arranged in synthetic backup flying instruments
Pressure altitude setting, speed-altitude conversion and other signals.
Further, in the step 3 carry out real-time rendering method the following steps are included:
Step I, the graphic solution host receive data by non-block type UDP communication protocol, judge the conjunction of data packet
Such as there is invalid data and are compensated by fault-tolerant optimization algorithm, keeps the continuity of data in method and validity；
Step II classifies to the object drawn, by weather nephogram data, Distal promoter data OpenGL program
Interface is individually drawn, and proving correctness；
Step III individually creates window in GL Studio, for showing figure and symbol that OpenGL is drawn；
Step IV, the figure for being drawn OpenGL are embedded into GL Studio, and are subject to logic control.
Further, weather nephogram data, Distal promoter data are carried out with OpenGL routine interface in the step II
The method individually drawn the following steps are included:
The weather nephogram data conversion that step I, basis receive is drawn different at corresponding coordinate information and colouring information
Color, the shape of region weather nephogram, and it is able to carry out the display of real time scan.
The Distal promoter data conversion that step II, basis receive can not be drawn corresponding coordinate information and colouring information
Color, shape with region Terrain Elevation, and it is capable of providing corresponding warning information.
The beneficial technical effect of the present invention is as follows:
Display system of the invention is by 1:1 full-scale simulation cockpit display and the hardware of control system and soft using figure
Part carries out the exploitation of display interface under high-level language environment, constructs flight environment of vehicle true to nature and imitates with inexpensive, high-tech
True training platform can satisfy modern airliner D grades of flight simulator design requirements.Control method of the invention uses module
Change design, so that entire design structure is more clear, also improves component reusable rate, reduce the work of research staff
Amount, while the development scheme combined using OpenGL with GL Studio language, meet D grades of flight simulator design requirements, and
And can be effectively reduced programming system occupancy, communication efficiency is improved, realizes single machine multitask running, facilitates later system real
Now and later maintenance, make system that there is stronger flexibility and scalability, economy, military benefit are significant, popularization and application foreground
It is wide.
Detailed description of the invention
Fig. 1 is overall construction drawing of the invention；
Fig. 2 is to utilize group method flow chart of the invention；
Wherein, 1- controls signal acquisition and state display module, and 2- avionics resolves host, 3- graphic solution host, and 4- is shown
Show terminal, the thick double-head arrow in Fig. 1 represents Ethernet connection, and thin single arrow represents the connection of VGA video line, and thick single arrow represents string
Mouth connection.
Specific embodiment
With reference to the accompanying drawing and the preferred embodiment specific embodiment that the present invention will be described in detail.
As shown in Figure 1, general structure schematic diagram of the invention.The present invention provides a kind of displays for flight simulator
System, including control signal acquisition and state display module 1, avionics resolve host 2, multiple graphic solution hosts 3 and display eventually
End 4, the control signal acquisition and state display module 1 resolve host 2 with avionics by serial ports and are connected, which resolves host 2
It is communicated with each graphic solution host 3 by the non-block type udp protocol of Ethernet, each graphic solution host 3 is regarded by VGA
Frequency line is connected with corresponding display terminal 4.
The control signal acquisition and state display module 1 are for acquiring multiple Multi-function display control units and synthetic backup
The control signal of flying instruments, and the state for controlling signal is shown, so that pilot confirms its state；The boat
Electrolysis, which calculates host 2 and is used to control the logic of signal, to be resolved and receives the input data of external system, and by received input data
Multiple graphic solution hosts 3 are given with the data transmission after resolving, and graphic solution host 3 resolves the biography of host 2 for receiving avionics
Received data is converted into corresponding character, symbol, data object and carries out real-time rendering, and will draw in real time by the data sent
The figure of system is transmitted to corresponding display terminal 4 and carries out real-time display.
According to the design of D grades of aircraft flight simulation device systems, which resolves host 2 and is designed as one, the graphic solution
Host 3 is designed as three, which is provided with nine, respectively two flight displays, two navigation indicators, two
A engine and alarm parameter display, two Multi-function display control units and a synthetic backup flying instruments.It is each aobvious
Show terminal using the emulation part consistent with actual load aircraft, it is desirable that appearance, sense of touch, display resolution are consistent with actual load part, and
On the corresponding position of cockpit, to increase the verisimilitude of flight simulator, the experience sense of pilot is promoted.
The present invention also provides a kind of control method based on the display system described above for flight simulator, packets
Include following steps:
Step 1: acquiring each Multi-function display control unit and each key of synthetic backup flying instruments, rotation respectively
The control signal of button, band switch, and send control signal to avionics and resolve host 2；
Step 2: according to the control signal received, according to the display control program for the aircraft model simulated, avionics solution
It calculates host 2 and carries out logic resolving, the state of the control signal after resolving is sent to each Multi-function display control unit and comprehensive
It closes backup flying instruments and carries out status display, so that pilot carries out state confirmation；
Step 3: avionics resolve host 2 by the data after resolving and from external system received input data difference it is real-time
Be sent to each graphic solution host 3, each graphic solution host 3 by received data be converted into corresponding character, symbol,
Data object carries out real-time rendering；
It is carried out in real time Step 4: the figure of real-time rendering is transmitted to corresponding display terminal 4 by each graphic solution host 3
Display.
Avionics in the present invention resolves host 2 and three graphic solution hosts 3 are laid out using C/S distributed frame, with boat
The simulated program that host 2 is calculated in electrolysis is server end, and the graphic solution program of graphic solution host 3 is client, in this way can be with
Each display control module is individually developed and do not interfere with each other, realizes the lower coupling and Gao Nei of intermodule to greatest extent
Poly- property, realizes the Development of Modular of system.
Wherein, the state for signal being controlled after the resolving in step 2 includes the course line being arranged in Multi-function display control unit
Editor and selection, way point editor and selection, Tacan platform voll platform longitude and latitude, the air pressure being arranged in synthetic backup flying instruments are high
Degree setting, speed-altitude conversion and other signals.
Wherein, in step 3 carry out real-time rendering method the following steps are included:
Step I, graphic solution host 3 by non-block type UDP communication protocol receive data, judge the legal of data packet and
Such as there is invalid data and is compensated by fault-tolerant optimization algorithm, keeps the continuity of data in validity；
Step II classifies to the object drawn, by weather nephogram data, Distal promoter data OpenGL program
Interface is individually drawn, and proving correctness；
Step III individually creates window in GL Studio, for showing figure and symbol that OpenGL is drawn；
Step IV, the figure for being drawn OpenGL are embedded into GL Studio, and are subject to logic control.
Currently, one is ICP/IP protocols, and one is udp protocols using there are two types of more extensive network communication protocols.
ICP/IP protocol is a kind of reliable Data Transport Protocol, increase error correction and retransmission mechanism in the protocol, that is, takes and shake hands
Mode, this transport protocol is safe and reliable, but influences the real-time of network, be easy to cause data deadlock.And udp protocol is one
Kind datagram mode, datagram mode are also known as connectionless-mode, are divided into block type and non-block type, which can mention for user
For a kind of connectionless mode, it can guarantee the real-time of data transmission to greatest extent, but without data examination
And the byte once transmitted is little.Statistics indicate that ICP/IP protocol is widely used, in small data in big data transmission
When, udp protocol being capable of the perfect advantage for embodying its real-time.
For the sub-data transmission analysis of D grades of simulator display control programs, the data using non-block type udp protocol are determined
Transmission mode.In order to guarantee the correctness of data, fault-tolerant optimization algorithm is increased in data receiver, that is, is first determined whether received
Data validation judges the size of adjacent two frame data, such as in reasonable range, then continues to resolve, such as occurs losing number
According to the case where, by data carry out interpolation mode compensate optimization；Such as there is invalid data, then the data is given up and filled up
Upper interpolated data.Packet longer for data takes segmentation or combined mode, guarantees the independence of each data packet,
Point-to-point transmission mode is used for the data packet of important module, if transmission data packet is wrong or over range, to
Server-side sends wrong data, prompts data packet error of transmission, guarantees the accurate of significant data.Both may be used in such a way
To guarantee the real-time of system, and it can guarantee the accuracy of data.
In D grades of flight simulators, it is desirable that simulation weather radar and Distal promoter function in real time are resolved by related software
Meteorology and landform warning information in present scope out, wants real weather nephogram picture and Terrain Elevation to draw on navigation indicator
Face.The GL Studio software that design of control method of the invention uses is developed, and GL Studio software is for generating reality
When interaction three-dimensional instrument quick developing instrument, but it not fully supports the exploitation of bottom, and weather nephogram and ground
Shape warning information needs to use the development mode of bottom.OpenGL is to define one to connect across programming language, cross-platform programming
The professional graphic routine interface of mouthful specification and one it is powerful, call convenient underlying graphics library, draw gas with OpenGL
As cloud atlas and landform warning information are most direct most convenient real existing modes.Therefore, go out from the actual demand of D grades of flight simulators
Hair using by weather nephogram picture and Terrain Elevation picture OpenGL language development, and is embedded into GL Studio software
Mode.In embedded software, need to redefine window of the window for OpenGL language development, real-time reception figure solution
The cloud atlas information and terrain information that host is sent and real-time rendering are calculated, irregular point, line, region are rendered and refreshed,
It is subject to opportunity and the size of logic control drafting, so that it may meet the design requirement of D grades of flight simulators well.
Wherein, weather nephogram data, Distal promoter data individually being drawn with OpenGL routine interface in step II
The method of system the following steps are included:
The weather nephogram data conversion that step I, basis receive is drawn different at corresponding coordinate information and colouring information
Color, the shape of region weather nephogram, and it is able to carry out the display of real time scan.
The Distal promoter data conversion that step II, basis receive can not be drawn corresponding coordinate information and colouring information
Color, shape with region Terrain Elevation, and it is capable of providing corresponding warning information.
Display system of the invention is by 1:1 full-scale simulation cockpit display and the hardware of control system and soft using figure
Part carries out the exploitation of display interface under high-level language environment, constructs flight environment of vehicle true to nature and imitates with inexpensive, high-tech
True training platform can satisfy modern airliner D grades of flight simulator design requirements.Control method of the invention uses module
Change design, so that entire design structure is more clear, also improves component reusable rate, reduce the work of research staff
Amount, while the development scheme combined using OpenGL with GL Studio language, meet D grades of flight simulator design requirements, and
And can be effectively reduced programming system occupancy, communication efficiency is improved, realizes single machine multitask running, facilitates later system real
Now and later maintenance, make system that there is stronger flexibility and scalability, economy, military benefit are significant, popularization and application foreground
It is wide.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, without departing from the principle and essence of the present invention, a variety of changes can be made to these embodiments
It more or modifies, therefore, protection scope of the present invention is defined by the appended claims.
Claims (3)
1. a kind of control method of the display system for flight simulator, it is characterised in that the following steps are included:
Step 1: acquiring each key, knob, the wave of each Multi-function display control unit and synthetic backup flying instruments respectively
The control signal of Duan Kaiguan, and send the control signal to avionics and resolve host；
Step 2: according to the control signal received, according to the display control program for the aircraft model simulated, the avionics solution
It calculates host and carries out logic resolving, the state of control signal described after resolving is sent to each Multi-function display control unit and comprehensive
It closes backup flying instruments and carries out status display, so that pilot carries out state confirmation；
It is sent out in real time respectively Step 3: the avionics resolves host by the data after resolving and from the received input data of external system
Give each graphic solution host, each graphic solution host by received data be converted into corresponding character, symbol,
Data object carries out real-time rendering；
Step 4: the figure of real-time rendering is transmitted to corresponding display terminal and is shown in real time by each graphic solution host
Show；
In the step 3 carry out real-time rendering method the following steps are included:
Step I, the graphic solution host by non-block type UDP communication protocol receive data, judge the legal of data packet and
Such as there is invalid data and is compensated by fault-tolerant optimization algorithm, keeps the continuity of data in validity；
Step II classifies to the object drawn, by weather nephogram data, Distal promoter data OpenGL routine interface
It is individually drawn, and proving correctness；
Step III individually creates window in GL Studio, for showing figure and symbol that OpenGL is drawn；
Step IV, the figure for being drawn OpenGL are embedded into GL Studio, and are subject to logic control；
The display system for flight simulator includes control signal acquisition and state display module and the control signal
The avionics that acquisition and state display module are connected resolves host, resolves multiple graphic solution hosts that host is connected with the avionics
And the multiple display terminals being connected with the graphic solution host；
The control signal acquisition and state display module fly for acquiring multiple Multi-function display control units and synthetic backup
The control signal of row instrument, and the state of the control signal is shown,
The avionics resolves host and is used to control the logic resolving of signal and receives the input data of external system, and will be received
Data transmission after input data and resolving gives multiple graphic solution hosts,
The graphic solution host is used to receive the data that avionics resolves host transmission, and received data is converted into accordingly
Character, symbol, data object carry out real-time rendering, and the figure of real-time rendering is transmitted to corresponding display terminal and is carried out in real time
It has been shown that,
The control signal acquisition resolves host with avionics by serial ports with state display module and is connected, and the avionics resolves host
It is communicated with each graphic solution host by the non-block type udp protocol of Ethernet, each graphic solution host passes through VGA video
Line is connected with corresponding display terminal,
The terminal has nine, respectively two flight displays, two navigation indicators, two engines and announcement
Alert factor display, two Multi-function display control units and a synthetic backup flying instruments.
2. the control method of the display system according to claim 1 for flight simulator, it is characterised in that: the step
The state that signal is controlled after resolving in rapid two includes the course line editor being arranged in Multi-function display control unit and selection, air route
Point editor and selection, Tacan platform voll platform longitude and latitude, the pressure altitude setting being arranged in synthetic backup flying instruments, speed-altitude
Conversion.
3. the control method of the display system according to claim 1 for flight simulator, it is characterised in that the step
In rapid II with the method that OpenGL routine interface is individually drawn includes following by weather nephogram data, Distal promoter data
Step:
The weather nephogram data conversion that step I, basis receive draws different zones at corresponding coordinate information and colouring information
Color, the shape of weather nephogram, and it is able to carry out the display of real time scan,
The Distal promoter data conversion that step II, basis receive draws not same district at corresponding coordinate information and colouring information
Color, the shape of domain Terrain Elevation, and it is capable of providing corresponding warning information.
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| CN109987253B (en) * | 2019-04-17 | 2022-06-24 | 上海卡索航空科技有限公司 | 2D simulation implementation system for aircraft cockpit instrument |
| CN111047946A (en) * | 2020-01-14 | 2020-04-21 | 中仿智能科技（上海）股份有限公司 | Full-function flight simulator |
| CN112070654A (en) * | 2020-07-27 | 2020-12-11 | 恒宇信通航空装备(北京)股份有限公司 | Graphic display control module of multifunctional display of aircraft avionics system |
| CN112102684A (en) * | 2020-08-19 | 2020-12-18 | 青岛山景虚拟现实研究院 | Parallel display device for flight simulator |
| CN112270089B (en) * | 2020-10-26 | 2023-08-18 | 中国人民解放军海军航空大学青岛校区 | Multifunctional display for virtual and real purposes and design method thereof |
| CN112783004B (en) * | 2020-12-29 | 2023-01-13 | 中国航空工业集团公司西安飞机设计研究所 | Redundancy simulation system for flight control computer of high-level simulator |
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| CN103473966A (en) * | 2013-08-29 | 2013-12-25 | 南京航空航天大学 | Semi-physical digital simulation control platform of aircraft cockpit |
| CN104269083A (en) * | 2014-09-04 | 2015-01-07 | 吉林医药学院 | Low-cost flight simulator cabin display and control system |
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