CN119442480A - Aircraft simulation system based on aircraft working system design - Google Patents

Abstract

The invention discloses an aircraft simulation system designed based on an aircraft working system, which comprises an aircraft working system simulation module, a simulation cockpit data processing module, a simulation training auxiliary module and a virtual simulation central processing unit, wherein the aircraft working system simulation module respectively establishes mathematical models of eight aircraft working systems, calculates required aircraft system models according to a cross-linking relation between systems and system operation logic of a real aircraft to generate simulation models corresponding to simulation training working conditions, the simulation cockpit data processing module is used for processing operation event data from a simulation training virtual cockpit and a semi-physical simulation cockpit, the simulation model data of the simulation training working conditions on the virtual simulation central processing unit is fed back to the simulation cockpit, and the simulation training auxiliary module is used for carrying out aircraft model selection, simulation model initialization and training mode selection and training effect evaluation according to training subjects and simulation training working conditions.

Description

Aircraft simulation system based on aircraft working system design

Technical Field

The invention belongs to the field of simulation training of maintenance of aircraft and in particular relates to an aircraft simulation system designed based on an aircraft working system.

Background

At present, the difficulty of the maintenance training of the aircraft in institutions is great. In particular to a large-scale aircraft, the assembly maintenance training of the crew is difficult to be directly unfolded on the aircraft, a semi-physical simulation cockpit technology is generally adopted, and a 1:1 cockpit simulator corresponding to a specific model is developed by simulating the cabin mechanical structure, the electrical structure and the working principle of a real aircraft, so that the teaching requirement is met. The design of the existing aircraft simulation system mainly has the following problems that 1, the actual situation of each working system of an aircraft is difficult to simulate truly, comprehensively and intuitively, 2, only partial maintenance and training subjects of the aircraft can be supported, and 3, the function expansion and model coupling resolving cannot be realized because the modularized, integrated and integrated platform design is not adopted.

Disclosure of Invention

In order to solve the problems in the maintenance training process of the aircraft, the invention provides an aircraft simulation system based on the design of an aircraft working system, which combines the integrated development and integration platform technology and has the characteristics of strong practicability, high simulation degree, strong universality and the like.

The invention aims at realizing the following technical scheme:

The aircraft simulation system based on the aircraft working system design comprises an aircraft working system simulation module, a simulation cockpit data processing module, a simulation training auxiliary module and a virtual simulation central processing unit, wherein the aircraft working system simulation module comprises an aircraft working system model unit and a model resolving unit, mathematical models of eight aircraft working systems are respectively built in the aircraft working system model unit, the model resolving unit resolves a required aircraft system model according to a specific simulation training working condition and a system operation logic of a true aircraft, generates a simulation model corresponding to a simulation training working condition, uploads the simulation model to the virtual simulation central processing unit, the simulation cockpit data processing module is used for processing operation event data from the simulation training cockpit, uploading the processed data to the virtual simulation central processing unit, and simultaneously uploading simulation model data of the simulation working condition of the aircraft working system simulation module to the virtual simulation central processing unit to the simulation cockpit, and feeding back the simulation training working condition to the simulation training cockpit, and the simulation auxiliary module is used for carrying out initialization, simulation model selection and training effect evaluation according to training subjects and simulation training working conditions.

Furthermore, a power plant model, a flight control system model, a hydraulic system model, a fuel supply system model, an environmental control system model, a fireproof and neutral gas system model, an anti-icing system model and a comprehensive avionics system model are respectively built in the aircraft working system model unit.

Further, the simulation cockpit data processing module comprises a data processing unit of an instrument/display lamp, a key/switch/electric door/handle operation event processing unit and a steering wheel/pedal operation event processing unit, and the data acquisition and the data processing are respectively carried out on the operation events of the students in the cockpit through the processing units.

The simulation training auxiliary module comprises an airplane model selection unit, a simulation model initialization unit, a training mode selection unit and a training effect evaluation unit, wherein the airplane model selection unit selects a specific improved model based on a certain type of conveyor platform for training according to training requirements of different platform models. The simulation model initializing unit is used for calling simulation model data of an airplane working system simulation module through the virtual simulation central processing unit according to initial conditions and system/equipment working parameters specifically set by training subjects and simulated simulation training working conditions, and initializing a simulation model, the training mode selecting unit is used for providing a virtual guiding mode, an equipment training mode and an assessment mode, and the training effect assessment unit is mainly used for recording operation events in the whole training and assessment of students, evaluating training effects and storing data of evaluation results.

Furthermore, the aircraft working system simulation module simulates based on the cross-linking management, the working principle and the operation logic of each system according to the composition of the actual working system of the aircraft, so that not only can the states of each system under normal program operation be simulated, but also the states of the systems under fault/emergency conditions can be simulated.

The invention has the following advantages:

The aircraft simulation system provided by the invention adopts modularized research and development, and all system components and module designs are greatly simplified;

the aircraft simulation system provided by the invention adopts integrated research and development, has strong model universality and portability, can share the data of the database, and is beneficial to expanding model types and training functions;

The aircraft simulation system provided by the invention adopts the platform development, different examples can be created according to actual training requirements in the running of the system, the software framework is independent and stable, and the functional modules of each system can be freely combined and flexibly deployed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings to be used in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic block diagram of an aircraft simulation system designed based on an aircraft operating system in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of the operation of the simulation training aid module according to an embodiment of the present invention.

In the figure:

the system comprises a 1-simulation computer, a 2-aircraft working system simulation module, a 3-simulation cockpit data processing module, a 4-simulation training auxiliary module, a 5-virtual simulation central processing unit and a 6-simulation cockpit.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Examples

The embodiment is an aircraft simulation system designed based on an aircraft working system, which is applied to an aircraft maintenance training simulator, wherein the aircraft maintenance training simulator system comprises a semi-physical simulation cockpit subsystem, a virtual simulation cockpit subsystem, an aircraft maintenance guarantee VR training subsystem, a training console subsystem, a sound simulation subsystem and a power supply subsystem; the system comprises a semi-physical simulation cockpit subsystem, an aircraft system simulation subsystem, an aircraft maintenance and protection VR training subsystem, a training control console subsystem and a power supply subsystem, wherein the semi-physical simulation cockpit subsystem, the virtual simulation cockpit subsystem and the sound simulation subsystem are connected through a LAN bus, the semi-physical simulation cockpit subsystem provides a cockpit physical operation environment for students to conduct on-board equipment power-on simulation training, the semi-physical simulation cockpit comprises a semi-physical simulation cockpit and a data acquisition and control system, the semi-physical simulation cockpit mainly comprises a cockpit body, cockpit equipment and a control system arranged in the cockpit body, the virtual simulation cockpit subsystem is used for carrying out full three-dimensional virtualization on a real aircraft cockpit and carrying out simulation training of on-board equipment power-on, engine test run, fault/emergency judgment and treatment, the aircraft maintenance and protection VR training subsystem is used for immersive simulation of various working scenes of aircraft maintenance and training, and virtual engine is used for jointly simulating an entire aircraft through networking with the semi-physical simulation cockpit/virtual simulation cockpit, the control console system is used for completing setting, user management and protection of maintenance tasks, the control console subsystem comprises maintenance and management and protection of the system, and management and protection of the system, the system comprises a platform body, a display, a training control and management system, a sound simulation subsystem and a power supply subsystem, wherein the display is embedded on the platform body, the training control and management system is arranged in the platform body, the sound simulation subsystem is used for simulating working noise, alarm and voice communication sounds of airborne equipment and ground equipment, and the power supply subsystem is used for providing power supply for hardware parts of all subsystems.

As shown in FIG. 1 and FIG. 2, the aircraft simulation system based on the aircraft working system design in the embodiment comprises an aircraft working system simulation module 2, a simulation cockpit data processing module 3, a simulation training auxiliary module 4 and a virtual simulation central processing unit 5, wherein the aircraft simulation system simulates eight working systems, namely a power device, a flight control system, a hydraulic system, a fuel oil supply system, a ring control system, a fireproof and neutral gas system, an anti-icing system and a comprehensive avionics system based on the working system composition, the crosslinking relation and the working principle of the aircraft.

The aircraft working system simulation module 2 comprises an aircraft working system model unit and a model calculation unit, wherein a power device model, an aircraft control system model, a hydraulic system model, a fuel supply system model, an environmental control system model, a fireproof and neutral gas system model, an anti-icing system model and a comprehensive avionic system model are respectively built in the aircraft working system model unit to simulate eight working systems of an aircraft, the model calculation unit carries out model calculation, state calculation and logic calculation on the required aircraft system model according to a real inter-system crosslinking relation and system operation logic of the aircraft according to specific simulation training working conditions, generates a simulation model corresponding to the simulation training working conditions and uploads the simulation model to the virtual simulation central processing unit 5, and the aircraft working system simulation module 2 has the characteristics of high simulation and strong simulation and high practical and emergency training conditions by building the power device model, the aircraft control system model, the hydraulic system model, the fuel supply system model, the environmental control system model, the fireproof and neutral gas system model and the comprehensive avionic system model, and carrying out simulation according to the real crosslinking relation and system operation logic between the systems, and the model calculation of each system has the characteristics of high simulation and the simulation performance, the simulation and the simulation performance and the high simulation performance.

The simulation cockpit data processing module 3 is mainly used for processing operation event data from the semi-physical simulation cockpit or the virtual cockpit, uploading the processed data to the virtual simulation central processing unit 5, and simultaneously uploading the simulation model data of the simulation training working condition of the working system simulation module 2 to the virtual simulation central processing unit 5 and feeding back the simulation model data to the semi-physical simulation cockpit or the virtual simulation cockpit. Because the virtual simulation integrated development platform is adopted, for the simulation cockpit data processing software module, the cockpit operation event comes from the semi-physical simulation cockpit or the virtual simulation cockpit, and the sent data are simultaneously used for instrument display in the semi-physical simulation cockpit and instrument display in the virtual simulation cockpit, so that desktop virtual demonstration and semi-physical simulation demonstration of aircraft maintenance simulation training can be simultaneously realized.

The simulation cockpit data processing module 3 comprises an instrument/display lamp data processing unit, a key/switch/electric door/handle operation event processing unit and a steering wheel/pedal operation event processing unit, and data acquisition and data processing are respectively carried out on operation events of students in the cockpit through the processing units.

The simulation training auxiliary module 4 mainly comprises an airplane model selection unit, a simulation model initialization unit, a training mode selection unit and a training effect evaluation unit, wherein the airplane model selection unit selects a specific improved model based on a certain type of conveyor platform for training according to training requirements of different platform models. The simulation model initializing unit is used for calling simulation model data of an airplane working system simulation module through the virtual simulation central processing unit according to initial conditions and system/equipment working parameters specifically set by training subjects and simulated simulation training working conditions, and initializing a simulation model, the training mode selecting unit is used for providing a virtual guiding mode, an equipment training mode and an assessment mode, and the training effect assessment unit is mainly used for recording operation events in the whole training and assessment of students, evaluating training effects and storing data of evaluation results.

Furthermore, the simulation module 2 of the aircraft working system simulates based on the cross-linking management, the working principle and the operation logic of each system according to the composition of the actual working system of the aircraft, so that not only can the states of each system under normal program operation be simulated, but also the states of the systems under the fault/emergency condition can be simulated, and further the corresponding simulation phenomena in various instrument displays in the front-end semi-physical simulation cockpit and the VR training system for maintaining and guaranteeing the aircraft are driven.

The following list of some specific cases implement the process:

1. Taking the air starting simulation training working condition of the engine as an example:

The method comprises the steps of establishing an engine air model, simulating the working state of the engine in the air starting process, feeding back the operation of a panel of an aircraft cockpit and displaying an instrument, establishing an air starting execution program database, managing an air starting operation program according to the requirements of a flight manual, and supporting the simulated training function of the machine unit cooperation in the air starting.

2. Taking a typical fault/emergency simulation as an example:

Based on the actual composition and working principle of the working system of the airplane, a simulation mathematical model of fault/emergency situation is established, the phenomena and characteristics of cabin display of various fault/emergency situations are simulated, such as overrun of engine lubricating oil temperature, overhead stop of the engine, icing of an empennage of the airplane, uneven left and right wings of fuel, ignition of a nacelle of the engine and the like, a fault/emergency situation database is established, the fault model/emergency situation is managed according to the description in an airplane flight manual, emergency treatment operation logic is executed, and various fault/emergency situations are treated according to standard treatment steps in the manual.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An aircraft simulation system designed based on an aircraft working system, comprising an aircraft working system simulation module, a simulated cockpit data processing module, a simulated training auxiliary module, and a virtual simulation central processing unit; the aircraft working system simulation module comprises an aircraft working system model unit and a model solving unit; mathematical models of eight aircraft working systems are respectively established in the aircraft working system model unit, and the model solving unit solves the required aircraft system model according to the inter-system cross-linking relationship and system operation logic of the real aircraft according to the specific simulation training working condition, generates a simulation model corresponding to the simulation training working condition, and uploads it to the virtual simulation central processing unit; the simulated cockpit data processing module is used to process the operation event data from the simulation training cockpit, upload the processed data to the virtual simulation central processing unit, and at the same time, the simulation model data of the simulation training working condition uploaded by the aircraft working system simulation module to the virtual simulation central processing unit is fed back to the simulation training cockpit; the simulation training auxiliary module is used to select the aircraft model and initialize the simulation model according to the training subject and the simulation training working condition, and select the training mode and evaluate the training effect. 2. An aircraft simulation system based on aircraft working system design as described in claim 1, characterized in that a power unit model, a flight control system model, a hydraulic system model, a fuel supply system model, an environmental control system model, a fire protection and neutral gas system model, an anti-icing system model, and an integrated avionics system model are respectively established in the aircraft working system model unit. 3. An aircraft simulation system based on the aircraft working system design as described in claim 1 is characterized in that the simulated cockpit data processing module includes an instrument/display light data processing unit, a button/switch/electric switch/handle operation event processing unit, and a steering wheel/pedal operation event processing unit, and the above-mentioned processing units are used to respectively acquire and process data of the trainees' operation events in the cockpit. 4. An aircraft simulation system designed based on an aircraft working system as described in claim 1, characterized in that the simulation training auxiliary module includes an aircraft model selection unit, a simulation model initialization unit, a training mode selection unit, and a training effect evaluation unit; the aircraft model selection unit selects a specific improved model based on a certain type of transport aircraft platform for training according to the training needs of different platform models; the simulation model initialization unit retrieves the simulation model data of the aircraft working system simulation module through the virtual simulation central processing unit according to the initial conditions and system/equipment working parameters specifically set according to the training subjects and simulation training conditions, and initializes the simulation model; the training mode selection unit provides a virtual guidance mode, an equipment practice mode, and an assessment and evaluation mode; the training effect evaluation unit is used to record the trainees' entire training and assessment operation events, and evaluate the training effect, and the evaluation results are stored in data. 5. An aircraft simulation system based on aircraft working system design as described in claim 1, characterized in that the aircraft working system simulation module is composed according to the actual working system of the aircraft, and performs simulation based on the cross-linking management, working principle and operating logic of each system, and can simulate the status of each system under normal program operation, and can also simulate the system status under fault/emergency conditions.