CN117727219A - Cabin simulator for avionics flight training of fighter plane - Google Patents
Cabin simulator for avionics flight training of fighter plane Download PDFInfo
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- CN117727219A CN117727219A CN202311651595.2A CN202311651595A CN117727219A CN 117727219 A CN117727219 A CN 117727219A CN 202311651595 A CN202311651595 A CN 202311651595A CN 117727219 A CN117727219 A CN 117727219A
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- 238000012549 training Methods 0.000 title claims abstract description 25
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Abstract
The invention discloses a combat aircraft avionics flight training cabin simulator which comprises a digital cabin, wherein a cabin interior part switch button, a driving rod simulation device, a foot rudder simulation device, an accelerator rod simulation device, a head-up display simulator and a helmet display simulator are arranged on the digital cabin, and a multifunctional display simulator driving module, a head-up display picture generating module and a helmet display picture generating module are integrated on the digital cabin. The combat aircraft avionics flight training cabin simulator provided by the invention can develop synchronous design pre-research around a new model, so that the simulator is not only limited to the simulation of the existing model, but also has a good reference effect on the design of the new version aircraft, the technical verification and the avionics design; for simulation training of pilots, verification of design rationality of a true aircraft and even design defect of a reverse thrust true aircraft system are significant.
Description
Technical Field
The invention relates to a training cabin simulator, in particular to a fighter plane avionics flight training cabin simulator.
Background
Most of the fighter plane training simulators on the market at present mostly train pilot driving technologies, and learning airplane manipulation is a main training purpose. However, with the development of the era, various new types of warplanes are continuously marketed, avionics on the planes are more and more complex, and with the more and more of over-the-horizon combat, the correct use of the avionics can more and more determine whether the warrior can survive on the battlefield. According to the technical indexes and the related requirements of related departments, the method aims at the use of avionics on the ground for pilots, and has great demands for the related training subjects for special condition processing of avionics under the combat state for pilots.
The existing simulator is mainly used for old fighter aircraft, the design thinking is that the actual aircraft is first and then the simulator is arranged, the design and the architecture mode of the simulator are simplified by the actual aircraft, new breakthrough is difficult to be achieved in equipment innovation, and reference value is not available for the actual aircraft.
Disclosure of Invention
The invention aims to solve the technical problem of providing the avionics flight training cabin simulator of the fighter plane, which can develop synchronous design pre-research around a new model, so that the simulator is not only limited to the simulation of the existing model, but also has a good reference effect on the design of the new model plane, the technical verification and the avionics design.
The invention provides a fighter avionics flight training cabin simulator which aims to solve the technical problems and comprises a digital cabin, wherein the digital cabin is provided with an in-cabin part switch button, a driving rod simulation device, a foot rudder simulation device, an accelerator rod simulation device, a head-up display simulator and a helmet display simulator, and is also integrated with the following man-machine interface simulation module: multifunctional display simulator drive module: the device is used for carrying out man-machine interaction with the driving rod simulation device, the foot rudder simulation device and the accelerator lever simulation device, and sending the man-machine interaction to the multifunctional display simulator for picture display; a head-up display screen generation module: projecting a real-time image of the external environment to a head-up display of the cockpit through a sensor for simulation, providing flight control guidance and display information on the head-up display simulator, and superposing the flight control guidance and the display information with a sensor picture to provide a real-time image of airport runways, surrounding terrains and obstacle characteristics; helmet display picture generation module: the method realizes infrared image navigation, infrared search and tracking, laser ranging and laser target specification, and presents HUD picture and sensor picture information in a helmet display simulator.
Further, the multifunctional display simulator driving module comprises a display drawing software module and a comprehensive display management module, wherein the display drawing software module is responsible for display drawing of pictures, display drawing of peripheral keys and acquisition of key events, the comprehensive display management module is responsible for creation management of windows and acquisition of window triggering events, the display drawing software module is packaged into a DLL dynamic library and dynamically loaded in the comprehensive display management software module, and the display drawing function is realized by calling an API (application program interface) derived by the DLL.
Further, the integrated display management module includes: firstly, dynamically loading library files of a display picture, and registering an API interface, an initialization inlet of each module and a main processing display drawing inlet; then creating an initialized Windows window resource, calling an initialized entry function of each module, and completing the initialized function of the whole system; acquiring window triggering events including key and cursor clicking events by calling a system window API, calling event processing functions of all modules, and distributing the key and cursor events through all the modules; and finally, calling the drawing entry functions of all the modules to realize the drawing display of the whole display system, and calling the drawing entries of left, right and logic processing software of the display in sequence to realize sequential drawing.
Further, the head-up display screen generation module simulates the working processes of the infrared camera module, the display driving module, the cockpit top module and the image combiner, shoots image information detected by the front-view infrared or millimeter wave radar, and projects a real-time image of an external environment to the head-up display simulator of the cockpit through the sensor.
Further, the display screen of the head-up display simulator has the functions of gesture control screen lens zooming-in and zooming-out, and the displayed flight information comprises airspeed, lifting speed, gesture, heading, altitude, approaching instruction guide, track deviation indication, flight track vector and flight track angle prompt.
Further, the helmet display picture generation module comprises a visible light sensor picture and an infrared sensor picture, wherein the visible light sensor picture, the infrared sensor picture and the vision system picture data are synchronized in real time.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a combat aircraft avionics flight training cabin simulator which realizes the simulation of a man-machine interaction interface of an on-board cabin man-machine interface device. The appearance of each avionics device is designed according to the airborne version, and through modes of interface management, data conversion and the like, a data flow and man-machine interface data interaction interface in actual operation of a real machine can be realized. The invention has important significance for simulation training of pilots, verifying design rationality of true machines and even reverse-pushing design defects of true machine systems.
Drawings
FIG. 1 is a schematic diagram of a system architecture of a cabin simulator for avionics flight training of a fighter plane in accordance with the present invention;
FIG. 2 is a diagram of the data input and output of the present invention;
FIG. 3 is a schematic diagram of the software module integration relationship of the present invention;
FIG. 4 is a diagram showing software data flow in accordance with the present invention;
FIG. 5 is a graphical representation of the MFD display of the present invention;
FIG. 6 is a schematic diagram of integrated display management software according to the present invention;
FIG. 7 is a flowchart of the integrated display management software of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
1. System architecture
The invention relates to a combat aircraft avionics flight training cabin simulator which is designed to take a set of simulation machine system of a military aircraft as a data excitation and man-machine interface environment, combines a real-time simulation and online parameter adjusting tool, forms a complete closed loop for control input and display output provided by a simulation model of the aircraft, realizes real-time simulation and online parameter adjusting optimization of the control model, and finally achieves the following purposes: aiming at the avionic design of the model, verification, optimization and evaluation based on man-machine interaction are carried out.
The simulation equipment simulates a human-computer interaction interface in the cabin human-computer interface equipment, realizes the simulation of a driving rod simulation equipment, an accelerator lever simulation equipment, a development simulation computer system, a mounting rack, a cable, a multifunctional display, a display picture of an upper front control display, a head-up display and a helmet display and a human-computer interaction process, and has interface display fidelity and work efficiency simulation degree not less than 90%. The system architecture is shown in fig. 1 below.
2. Cabin simulator software for avionics flight training of fighter plane
2.1 platform software Functions
The development software of the avionics flight training cabin simulator of the fighter plane resides on a development simulation computer system, the simulation computer deploys a Windows 32-bit operating system, and the software mainly realizes the following functions:
1. supporting normal operation of the VxWorks operating system software source code under a Windows 7-bit operating system;
2. the cross-platform middleware realizes a necessary service interface defined by part1 in ARINC653 specification, and mainly comprises partition management, process management, time management, intra-partition communication and health monitoring;
3. in the process of transplanting the software from the Vxworks to Windows, the communication interface is fully covered, and secondary development is not needed.
2.2 interface Specification
The operating system API interface function form that the software operating platform provides calls for the application software should meet the following specification requirements.
The operating system adaptation service (OSAC) is an operating system interface function library developed for multiple operating systems based on APEX in the ARINC653 standard. The method provides operating system service functions for application software and provides source code level cross-operating system platform migration capability. The operating system types currently supported include: vxworks5.X, vxworks6.X (RTP), windows, android, linux. The operating system adaptation service (OSAC) interface API is as follows:
2.3 application software
The application software simulation system model configuration software stores configuration data through a special engineering file, a user can modify the existing engineering file to form new avionics simulation system software data, and the input and the output of the new avionics simulation system software data are shown in figure 2.
3. Multifunctional display simulator driving module
The design of the multifunctional display simulator driving module refers to the relevant design of the on-board picture and logic, mainly realizes the functions of navigation information display, custom layer display, day and night mode switching function and the like, and the software design follows the strategy of modularization and easy maintenance, and adopts a DLL integrated mode for the display drawing software module part in the software system. As shown in fig. 3, the left and right display drawing software modules and the logic processing software modules are respectively packaged into DLL dynamic libraries, a plurality of DLLs are dynamically loaded in the integrated display management software module, and the display drawing function is realized by calling the API entries derived by the DLLs. The time interval for generating images by drawing images by using OPENGL software is 20ms, software data interact with other subsystems through UDP network protocol, and a display software data flow chart is shown in figure 4.
3.1, display drawing software Module
The display drawing software module is mainly responsible for display drawing of pictures, display drawing of peripheral keys and acquisition of key events, and a schematic diagram of an interface between the display drawing software module and the outside is shown in fig. 5.
a) Interface between communication processing software and display:
a shared memory interface is adopted between the two;
b) Interface with integrated display management software module:
the display drawing software module is packaged into a DLL dynamic library, and is dynamically loaded in the integrated display management software module, and an entry API is exported to provide the latter for calling.
3.2, comprehensive display management module
The integrated display management module is responsible for integrating the display of the display drawing software module and the logic processing software module. The comprehensive display management module is responsible for the creation management of windows and collecting window triggering events, including cursors, key events and the like; the input of the logic processing module comes from a peripheral computer system, and the main functions of the logic processing module are to control the drawing software module to display corresponding pages according to specific logic according to peripheral information, and to send the pages according to corresponding logic processing according to collected keys, as shown in fig. 5, MFD (Multi Function Display) is a multifunctional display (screen); the integrated display management software is shown in fig. 6; the framework flow after integration is shown in fig. 7.
In the integrated display management module, the library file of the display picture is dynamically loaded, an API interface is registered, and the interface is mainly an initialization inlet of each module and a main processing display drawing inlet.
And then creating an initialized Windows window resource, calling an initialized entry function of each module, and completing the initialized function of the whole system.
And acquiring window triggering events including key pressing, cursor clicking and the like by calling a system window API, calling event processing functions of all modules, and distributing key pressing cursor events through all modules.
And finally, calling the drawing entry functions of all the modules to realize the drawing display of the whole display system, and calling the drawing entries of left, right and logic processing software of the display in sequence to realize sequential drawing.
4. Head-up display screen generating module
The head-up display screen generating module simulates the working process of the infrared camera module, the EVS processor, the display driving module, the cockpit top module and the image combiner, realizes that the camera shoots the image information detected by the front-view infrared or millimeter wave radar, projects the real-time image of the external environment onto a head-up display simulator (HUD) of the cockpit through a sensor, provides flight control guidance and display information on the head-up display simulator to be overlapped with the sensor screen, provides real-time images of airport runway, surrounding terrain and obstacle characteristics for a pilot, provides head-up guidance for the pilot in flight, enables the whole flight field to be more clear and visible, and provides powerful guarantee for the pilot to implement accurate flight.
The head-up display screen generation module includes the following functions: infrared sensor picture, night vision sensor picture. Providing a real-time image of a forward looking external view; the following flight information may be displayed: airspeed, airspeed speed, attitude, heading, altitude, approach instruction guidance, trajectory deviation indication, flight trajectory vector (FPV), flight trajectory angle indicator (FPA). The display picture of the head-up display should realize the function of controlling the zooming in and out of the picture lens by gestures. The upper front control display simulator may be used to select, operate, control, etc. the screen displayed in the head-up mode. The upper front control display simulator is a control module of the head-up display simulator, and the head-up display simulator is matched with the control module.
5. Helmet display picture generation module
Helmet simulation is a combination of a photoelectric system and a pilot head position tracking device, displays key flight state data, task information, threat and installation state information for a pilot, and mainly comprises the following functional solution models: infrared image navigation, infrared search tracking, laser ranging, laser target specification and the like.
The helmet display picture generation module can display HUD picture and sensor picture information in the head display and has the function of penetrating through fog.
The sensor picture generating software of the cabin simulation system comprises a visible light sensor module and an infrared sensor module, and is consistent with the picture data of the vision system and synchronous in real time. The visible light sensor picture is displayed in the external visual simulation software and the center console software, and the infrared sensor module is displayed in the visual simulation software. The external visual simulation software is selectable according to actual training requirements, namely an interface for communication with the external visual simulation is reserved, and the external visual simulation software can be used for whole flight simulation of the aircraft.
The resolution of the image of the single-path sensor picture is not lower than 1920 multiplied by 1080; 2 sensor pictures can be provided at the same time, and the refresh rate of the sensor display page is not lower than 25Hz.
The system software design adopts a reference real machine related logic design, and models the operation process and the display picture of the simulation machine.
According to the different imaging modes of the infrared sensor and the visible light sensor, picture synchronization is respectively carried out according to the respective modes.
The system data adopts an Ethernet communication mode, and adopts a UDP communication mode to carry out data crosslinking with the peripheral subsystem.
In summary, the invention is designed to take a set of simulation machine system of a military aircraft as a data excitation and man-machine interface environment, combine a real-time simulation and online parameter adjusting tool, form a complete closed loop for control input and display output provided by a simulation model of the aircraft, realize real-time simulation and online parameter adjusting optimization of the control model, and finally achieve the following purposes: aiming at the avionic design of the model, verification, optimization and evaluation based on man-machine interaction are carried out.
While the invention has been described with reference to the preferred embodiments, it is not intended to limit the invention thereto, and it is to be understood that other modifications and improvements may be made by those skilled in the art without departing from the spirit and scope of the invention, which is therefore defined by the appended claims.
Claims (6)
1. The utility model provides a fighter avionics flight training cabin simulator which is characterized in that, includes digital cabin, be provided with in-cabin part shift knob, steering column analog device, foot rudder analog device, throttle pole analog device, head-up display simulator and helmet display simulator on the digital cabin, still integrate following man-machine interface simulation module on the digital cabin:
multifunctional display simulator drive module: the device is used for carrying out man-machine interaction with the driving rod simulation device, the foot rudder simulation device and the accelerator lever simulation device, and sending the man-machine interaction to the multifunctional display simulator for picture display;
a head-up display screen generation module: projecting a real-time image of the external environment onto a head-up display simulator of the cockpit through a sensor, providing flight control guidance and display information on the head-up display simulator, and superposing the flight control guidance and the display information with a sensor picture to provide a real-time image of airport runways, surrounding terrains and obstacle characteristics;
helmet display picture generation module: the method realizes infrared image navigation, infrared search and tracking, laser ranging and laser target specification, and presents HUD picture and sensor picture information in a helmet display simulator.
2. The combat aircraft avionics flight training cabin simulator of claim 1, wherein the multifunctional display simulator driver module comprises a display drawing software module and a comprehensive display management module, wherein the display drawing software module is responsible for display drawing of pictures, display drawing of peripheral keys and acquisition of key events, the comprehensive display management module is responsible for creation management of windows and acquisition of window triggering events, the display drawing software module is packaged into a dynamic library of DLLs, dynamic loading is carried out in the comprehensive display management software module, and a display drawing function is realized by calling an API (application program interface) derived by the DLLs.
3. The combat aircraft avionics flight training cockpit simulator of claim 2 wherein the integrated display management module comprises:
firstly, dynamically loading library files of a display picture, and registering an API interface, an initialization inlet of each module and a main processing display drawing inlet;
then creating an initialized Windows window resource, calling an initialized entry function of each module, and completing the initialized function of the whole system;
acquiring window triggering events including key and cursor clicking events by calling a system window API, calling event processing functions of all modules, and distributing the key and cursor events through all the modules;
and finally, calling the drawing entry functions of all the modules to realize the drawing display of the whole display system, and calling the drawing entries of left, right and logic processing software of the display in sequence to realize sequential drawing.
4. The combat aircraft avionics flight training cockpit simulator of claim 1 wherein the heads-up display screen generation module simulates the operation of an infrared camera module, display drive module, cockpit overhead module and image combiner, captures image information detected by forward-looking infrared or millimeter wave radar, and projects real-time images of the external environment through sensors onto the heads-up display simulator of the cockpit.
5. The combat aircraft avionics flight training cockpit simulator of claim 4 where the head-up display simulator displays a gesture control screen lens zoom in and zoom out function and where the displayed flight information includes airspeed, speed of rise and fall, attitude, heading, altitude, approach instruction guidance, trajectory deviation indication, flight trajectory vectors, and flight trajectory angle cues.
6. The combat aircraft avionics flight training cockpit simulator of claim 1 wherein the helmet display screen generation module includes generating a visible light sensor screen and an infrared sensor screen that are synchronized in real time with vision system screen data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311651595.2A CN117727219A (en) | 2023-12-04 | 2023-12-04 | Cabin simulator for avionics flight training of fighter plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311651595.2A CN117727219A (en) | 2023-12-04 | 2023-12-04 | Cabin simulator for avionics flight training of fighter plane |
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| CN117727219A true CN117727219A (en) | 2024-03-19 |
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| CN202311651595.2A Pending CN117727219A (en) | 2023-12-04 | 2023-12-04 | Cabin simulator for avionics flight training of fighter plane |
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- 2023-12-04 CN CN202311651595.2A patent/CN117727219A/en active Pending
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