Aircraft simulation system based on aircraft working system design

Abstract

The invention discloses an aircraft simulation system based on aircraft working system design. The aircraft simulation system 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. The aircraft working system simulation module is used for respectively establishing mathematical models of eight working systems of an aircraft, resolving a required aircraft system model according to an inter-system cross-linking relationship of a real aircraft and system operation logic, and generating a simulation model corresponding to an analog simulation training working condition; the simulation cockpit data processing module is used for processing operation event data from a virtual simulation cockpit and a semi-physical simulation cockpit which are subjected to simulation training, and feeding simulation model data of simulation training working conditions on the virtual simulation central processing unit back to the simulation cockpit; and the simulation training auxiliary module is used for carrying out airplane model selection and simulation model initialization according to the training subjects and simulation training working conditions, and carrying out training mode selection and training effect evaluation.

Description

Technical Field

[0001] The invention belongs to the field of aircraft maintenance simulation training, and in particular relates to an aircraft simulation system designed based on an aircraft working system. Background Art

[0002] At present, it is difficult to carry out aircraft maintenance training in colleges and universities. Especially for large aircraft, it is difficult to carry out actual maintenance training for maintenance personnel directly on the aircraft. Generally, semi-physical simulation cockpit technology is used to simulate the mechanical structure, electrical structure and working principle of the cockpit of a real aircraft, and a 1:1 cockpit simulator corresponding to the specific model is developed to meet the teaching needs. The design of existing aircraft simulation systems mainly has the following problems: 1. It is difficult to simulate the actual situation of each working system of the aircraft realistically, comprehensively and intuitively; 2. It can only support some maintenance training subjects; 3. Due to the failure to adopt modular, integrated and integrated platform design, it is impossible to achieve functional expansion and model coupling solution. Summary of the invention

[0003] In order to solve the above problems existing in the aircraft maintenance training process, the present invention proposes an aircraft simulation system based on the aircraft working system design, which combines the integrated development and integrated platform technology, and has the characteristics of strong practicality, high degree of simulation, and strong versatility.

[0004] The objective of the present invention is achieved through the following technical solutions:

[0005] An aircraft simulation system designed based on an aircraft working system 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; 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 specific simulation training conditions, generates a simulation model corresponding to the simulation training condition, and uploads it to the virtual simulation central processing unit; the simulation cockpit data processing module is used to process 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 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 an aircraft model and initialize a simulation model according to training subjects and simulation training conditions, and select a training mode and evaluate the training effect.

[0006] Furthermore, the aircraft working system model unit respectively establishes a power plant 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.

[0007] Furthermore, the simulated cockpit data processing module includes a data processing unit for instruments / display lights, a button / switch / electric door / handle operation event processing unit, and a steering wheel / pedal operation event processing unit, and the above-mentioned processing units are used to acquire and process data on the trainees' operation events in the cockpit.

[0008] Furthermore, 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 aircraft 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 for 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 mainly used to record the operational events of the trainees throughout the training and assessment, and evaluate the training effect, and the evaluation results are stored in data.

[0009] Furthermore, the aircraft working system simulation module performs simulation according to the actual working system composition of the aircraft, based on the cross-linking management, working principles and operating logic of each system. It can simulate the status of each system under normal program operation, as well as the system status under fault / emergency conditions.

[0010] The present invention has the following advantages:

[0011] The aircraft simulation system provided by the present invention is developed in a modular manner, and the design of all system components and modules is greatly simplified;

[0012] The aircraft simulation system provided by the present invention adopts integrated research and development, has strong model versatility and portability, and database data can be shared, which is helpful to expand the types of aircraft models and training functions;

[0013] The aircraft simulation system provided by the present invention is developed through platformization. Different instances can be created during system operation according to actual training needs. The software framework is independent and stable, and each system functional module can be freely combined and flexibly deployed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without creative work.

[0015] Figure 1 It is a block diagram of the composition principle of an aircraft simulation system based on an aircraft working system design according to an embodiment of the present invention;

[0016] Figure 2 It is a working principle diagram of the simulation training auxiliary module described in an embodiment of the present invention.

[0017] In the figure:

[0018] 1-Simulation computer; 2-Aircraft working system simulation module; 3-Simulation cockpit data processing module; 4-Simulation training auxiliary module; 5-Virtual simulation central processing unit; 6-Simulation cockpit. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0020] Example

[0021] The present embodiment is an aircraft simulation system designed based on an aircraft working system, which is applied to an aircraft maintenance training simulator. The aircraft maintenance training simulator system includes a semi-physical simulation cockpit subsystem, a virtual simulation cockpit subsystem, an aircraft maintenance support VR training subsystem, a training console subsystem, a sound simulation subsystem, and a power supply subsystem; the semi-physical simulation cockpit subsystem, the aircraft system simulation subsystem, the aircraft maintenance support VR training subsystem, the training console subsystem, and the power supply subsystem are connected via a LAN bus, and the semi-physical simulation cockpit subsystem, the virtual simulation cockpit subsystem, and the sound simulation subsystem are connected via network communication; the semi-physical simulation cockpit subsystem provides a physical operating environment for trainees to conduct power-on simulation training of airborne equipment, and includes a semi-physical simulation cockpit and a data acquisition and control system. The semi-physical simulation cockpit is mainly composed of a driver The virtual simulation cockpit subsystem completely virtualizes the real aircraft cockpit in three dimensions, and is used for simulation training of powering on airborne equipment, engine test, fault / emergency judgment and disposal; the aircraft maintenance support VR training subsystem is used for immersive simulation of various work scenes of maintenance training, and its virtual reality engine simulates the entire aircraft by networking with the semi-physical simulation cockpit / virtual simulation cockpit; the training console subsystem is used to complete training task setting, training process evaluation, user data management and system operation and maintenance, and it includes a platform, a display mounted on the platform and a training control and management system arranged in the platform; the sound simulation subsystem is used to simulate the working noise, alarm and voice communication sound of airborne equipment and ground equipment; the power supply subsystem is used to provide power for the hardware parts of each subsystem.

[0022] like Figure 1 , Figure 2 As shown, the aircraft simulation system designed based on the aircraft working system described in this embodiment includes: an aircraft working system simulation module 2, a simulated cockpit data processing module 3, a simulation training auxiliary module 4, and a virtual simulation central processing unit 5; this aircraft simulation system is based on the composition, cross-linking relationship and working principle of the aircraft's working system, and simulates its eight working systems, namely, the power unit, flight control system, hydraulic system, fuel supply system, environmental control system, fire protection and neutral gas system, anti-icing system, and integrated avionics system.

[0023] The aircraft working system simulation module 2 includes an aircraft working system model unit and a model solving unit; the aircraft working system model unit respectively establishes a power plant 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 to simulate the eight working systems of the aircraft; the model solving unit solves the model, the state and the logic of the required aircraft system model according to the inter-system cross-linking relationship and the system operation logic of the real aircraft according to the specific simulation training working conditions, and generates a simulation model corresponding to the simulation training working condition. The real model is uploaded to the virtual simulation central processing unit 5; the aircraft working system simulation module 2 establishes a power plant 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, and simulates according to the real cross-linking relationship between the systems and the system operation logic. The model solution, state solution and logic solution of each system are consistent with the real machine, and on this basis, a simulation model of the simulation training condition is generated to simulate typical faults and emergency principles and phenomena. The system has the characteristics of strong practicality, high degree of simulation and strong versatility.

[0024] The simulated cockpit data processing module 3 is mainly used to process the operation event data from the semi-physical simulated cockpit or the virtual cockpit, upload the processed data to the virtual simulation central processing unit 5, and at the same time, the simulation model data of the simulated training working condition uploaded by the working system simulation module 2 to the virtual simulation central processing unit 5 is fed back to the semi-physical simulated cockpit or the virtual simulation cockpit. Due to the use of the virtual simulation integrated development platform, for the simulated cockpit data processing software module, the cockpit operation event comes from the semi-physical simulated cockpit or the virtual simulation cockpit, and the data sent out are used for the instrument display in the semi-physical simulated cockpit and the instrument display in the virtual simulation cockpit at the same time, so that the desktop virtual demonstration and semi-physical simulation demonstration of the aircraft maintenance simulation training can be realized at the same time.

[0025] The simulated cockpit data processing module 3 includes an instrument / display light data processing unit, a button / switch / electric door / handle operation event processing unit, and a steering wheel / pedal operation event processing unit. The above processing units are used to acquire and process data on the trainees' operation events in the cockpit.

[0026] The simulation training auxiliary module 4 mainly 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 aircraft 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 for 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 mainly used to record the operation events of the trainees throughout the training and assessment, and evaluate the training effect, and the evaluation results are stored in data.

[0027] Furthermore, the aircraft working system simulation module 2 performs simulation based on the cross-linking management, working principles and operating logic of each system according to the actual working system composition of the aircraft. It can simulate the status of each system under normal program operation and the system status under fault / emergency conditions, thereby driving the corresponding simulation phenomena in various instrument displays in the front-end semi-physical simulation cockpit and the aircraft maintenance and support VR training system.

[0028] The following are some specific case implementation processes:

[0029] 1. Take the engine air start simulation training condition as an example:

[0030] Establish an engine air model to simulate the engine working status and aircraft cockpit panel operation feedback and instrument display during the air start process; build an air start execution program database to manage the air start operation procedures in accordance with the requirements of the flight manual; support the simulation training function of the crew coordination during air start.

[0031] 2. Take typical fault / emergency simulation as an example:

[0032] Based on the actual composition and working principle of the aircraft working system, a simulation mathematical model of fault / emergency situations is established to simulate the phenomena and characteristics of cockpit displays of various fault / emergency situations, such as engine oil temperature exceeding the limit, engine shutdown in the air, aircraft tail icing, uneven fuel on the left and right wings, engine nacelle fire, etc.; a fault / emergency situation database is constructed to manage fault models / emergency situations according to the description in the aircraft flight manual; and emergency handling operation logic is executed to handle various faults / emergency situations according to the standard processing steps in the manual.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

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. The aircraft simulation system based on the aircraft working system design as claimed in claim 1, characterized in that: The aircraft working system model unit respectively establishes a power plant 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.

3. The aircraft simulation system based on aircraft working system design as claimed in claim 1, characterized in that: The simulated cockpit data processing module includes an instrument / display light data processing unit, a button / switch / electric door / handle operation event processing unit, and a steering wheel / pedal operation event processing unit. The above processing units are used to acquire and process data on the trainees' operation events in the cockpit.

4. The aircraft simulation system based on aircraft working system design as claimed 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, evaluate the training effect, and save the evaluation results in data.

5. The aircraft simulation system based on aircraft working system design as claimed in claim 1, characterized in that: The aircraft working system simulation module performs simulation according to the actual working system composition of the aircraft based on the cross-linking management, working principles and operating logic of each system. It can simulate the status of each system under normal program operation as well as the system status under fault / emergency conditions.

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