CN103065022B - Incentive model simulation platform for aerocraft electronic system - Google Patents
Incentive model simulation platform for aerocraft electronic system Download PDFInfo
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Abstract
The invention provides an incentive model simulation platform for an aerocraft electronic system. The incentive model simulation platform comprises a system incentive model, a simulated scene displaying system, an analogue instrument and switch system, a central data processing unit, a user instruction intervention system, a signal generating system, a data acquiring and monitoring system, a centralized wiring control module, a power source management system and an external data interface. The system incentive model comprises an aerocraft body model, an environment simulating model, an electric equipment model and a software interface, wherein the aerocraft body model simulates a structure of an aerocraft body and influences on flying of the aerocraft body from flying controlling and conditioning parameters, simulating data of the aerocraft body model are delivered to the electric equipment model, the environment simulating model provides external environment to the aerocraft body model, and one or more logic models of electric equipment to be tested are established in the electric equipment model. The incentive model simulation platform is used for testing the aerocraft electronic system.
Description
Technical field
The present invention relates to a kind of emulation platform, especially a kind of model excitation emulation platform of aircraft electrical subsystem.
Background technology
The use of current electronic equipment is increasingly extensive, and in the middle of the fields such as automobile, bullet train, large ship and aerospace flight vehicle, the complexity of electronic system is more and more higher.In order to ensure single electronic equipment so that the safety of whole electronic system, needed to carry out omnibearing test and correction to it before electronic system comes into operation.
The existing test platform to Complex Electronic Systems Based, generally needs electronic equipment all here or substantially here tests just can carrying out system level of whole system by the time, and some electronic system tests even will wait until that experimental prototype just can carry out after completing.Existing method is very low to the testing efficiency of electronic system, and the dangerous project that many model machines have been difficult to can not be tested, and affects the Performance Evaluation to overall electronic system, strengthens the application risk of electronic system.
Summary of the invention
The object of the invention is supplementary the deficiencies in the prior art, a kind of model excitation emulation platform of aircraft electrical subsystem is provided, establish the system incentive model comprising body model, simulated environment model, electronic equipment model, emulation platform is for the characteristics of signals of tested electronic equipment, establish signal generating system and the data acquisition monitoring system of respective signal with it, can connect the tested electronic equipment needing excitation by gating by concentrated distribution control module, user can carry out emulation testing for the concrete link that will test.The technical solution used in the present invention is:
A model excitation emulation platform for aircraft electrical subsystem, comprises system incentive model, simulation visual display system, analogue instrument and switching system, central data processing unit, user instruction interfering system, signal generating system, data acquisition monitoring system, concentrates distribution control module, power-supply management system, external data interface;
Central data processing unit connects user instruction interfering system, concentrated distribution control module, signal generating system, data acquisition monitoring system, external data interface, power-supply management system, system incentive model, simulation visual display system and analogue instrument and switching system; Distribution control module is concentrated to connect external data interface, user instruction interfering system, signal generating system, data acquisition monitoring system and power-supply management system; System incentive model connecting analog visual display system, analogue instrument and switching system;
Described system incentive model comprises body model, simulated environment model, electronic equipment model, software interface, the structure of body modeling body, and the impact that simulated flight control and conditional parameter fly on body, and body modeling data is passed to electronic equipment model, simulated environment model provides the external environment condition of simulation to body model, namely provides the action condition of external environment condition to body model, the built-in logical model of one or more tested electronic equipment in electronic equipment model, electronic equipment model can the data of responder body Model and simulated environment Model Transfer, simultaneously can the control signal of response simulation instrument and switching system, produce corresponding original excitation signal, original excitation signal sends to central data processing unit to encode by software interface, original excitation signal subsequently after coding is sent to signal generating system, signal generating system produces the actual pumping signal that tested electronic equipment can identify, and by concentrating distribution control module to pass to actual tested electronic equipment,
Described simulation visual display system provides visible environment for user, can provide visual effect true to nature to user;
Described analogue instrument and switching system provide visual operation interface for testing, and can provide control signal to system incentive model, also can carry out data interaction with central data processing unit;
Described data acquisition monitoring system gathers the data in the bus of tested electronic system, then feeds back to analogue instrument and switching system, makes analogue instrument and switching system can monitor the duty of tested electronic equipment;
The characteristics of signals of described signal generating system required for tested electronic equipment, according to the original excitation signal after coding, produces the actual pumping signal that tested electronic equipment can identify;
Described concentrated distribution control module is used for the model excitation emulation platform of managing aircraft electronic system and the distribution of tested electronic system, can connect the tested electronic equipment needing excitation by gating by concentrated distribution control module;
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual for coordinating each subsystem immediate data, distributes data-interface to each subsystem, the data that each subsystem of store and management produces;
The remote control management that described power-supply management system is powered to tested electronic equipment each in tested electronic system, can the dangerous situation of analog machine power down or electricity shortage, for tested electronic system provides device looses power test environment, thus the working condition of tested electronic system when single or multiple tested electronic equipment power down can be observed;
Described external data interface provides interface between software and hardware to third-party testing equipment;
Described user instruction interfering system is controlled by the model excitation emulation platform of software instruction to aircraft electrical subsystem for user, and user can produce by software instruction the original excitation signal that system incentive model can not produce in a manual mode.
Further, described body model comprises aircraft contour structures model, engine mockup and mission simulation model.
Further, the content of described aircraft contour structures model comprises body length, spanwise extent, control rudder face position, load born by engine body area, body weight.
Further, the content of described engine mockup comprises engine type, motor power.
Further, the content of described mission simulation model comprises Flight Control Law, state of flight, flies condition setting parameter in advance.
Further, described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment Controlling model.
Preferably, described simulation visual system has third party's what comes into a driver's software interface, can provide corresponding visible environment by loading third-party what comes into a driver's software mode.
Advantage of the present invention is, by setting up electronic equipment model bank, according to the corresponding electronic system model of customer demand fast construction, can set up the electronic system test platform of open architecture formula at short notice.The mode that can be encouraged by model is tested one or several electronic equipments, need not wait until that whole electronic system or model machine just can carry out test experiments after completing.User can simulated hazard and complicated test environment, carries out pumping signal injection to tested electronic system, reduces and carries out the risk and cost of testing by model machine merely.System can control to test link by concentrating distribution control module flexibly, realizes the comprehensive test to tested electronic system.The present invention not only can test the performance of electronic system, and can also assess the framework of system, Computer Aided Design personnel carry out troubleshooting and correction.
Accompanying drawing explanation
Fig. 1 is structure of the present invention composition schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
The model excitation emulation platform of the aircraft electrical subsystem that the present invention proposes, is mainly used in the test of the electronic system of aircraft, as shown in Figure 1:
A model excitation emulation platform for aircraft electrical subsystem, is characterized in that: comprise system incentive model, simulation visual display system, analogue instrument and switching system, central data processing unit, user instruction interfering system, signal generating system, data acquisition monitoring system, concentrate distribution control module, power-supply management system, external data interface;
Central data processing unit connects user instruction interfering system, concentrated distribution control module, signal generating system, data acquisition monitoring system, external data interface, power-supply management system, system incentive model, simulation visual display system and analogue instrument and switching system; Distribution control module is concentrated to connect external data interface, user instruction interfering system, signal generating system, data acquisition monitoring system and power-supply management system; System incentive model connecting analog visual display system, analogue instrument and switching system;
Described system incentive model comprises body model, simulated environment model, electronic equipment model, software interface, the structure of body modeling body, and the impact that simulated flight control and conditional parameter fly on body, and body modeling data is passed to electronic equipment model, simulated environment model provides the external environment condition of simulation to body model, namely provides the action condition of external environment condition to body model, the control inerface change external environment condition that user can be provided by simulated environment model, the built-in logical model of one or more tested electronic equipment in electronic equipment model, electronic equipment model can the data of responder body Model and simulated environment Model Transfer, simultaneously can the control signal of response simulation instrument and switching system, produce corresponding original excitation signal, original excitation signal sends to central data processing unit to encode by software interface, original excitation signal subsequently after coding is sent to signal generating system, signal generating system produces the actual pumping signal that tested electronic equipment can identify, and by concentrating distribution control module to pass to actual tested electronic equipment,
Described simulation visual display system provides visible environment for user, can provide visual effect (as external view situation, course line meteorology etc.) true to nature to user;
Described analogue instrument and switching system provide visual operation interface for testing, and can provide control signal to system incentive model, also can carry out data interaction with central data processing unit.Before true instrument system assembling uses, analogue instrument in analogue instrument and switching system can provide the displaying contents of approximate true instrument to user, the analogue enlargement button in analogue instrument and switching system and analog switch may be used for input control signal.Analogue instrument also may be used for the Performance Evaluation to true instrument system.
Described data acquisition monitoring system gathers the data in the bus of tested electronic system, then feeds back to analogue instrument and switching system, makes analogue instrument and switching system can monitor the duty of tested electronic equipment;
The characteristics of signals of described signal generating system required for tested electronic equipment (namely energized electronic equipment), according to the original excitation signal after coding, produces the actual pumping signal that tested electronic equipment can identify; Signal generating system is mainly through collective electron system design scheme and select electronic equipment input/output signal characteristic to determine its Interface design scheme in early stage.
Described concentrated distribution control module is used for the model excitation emulation platform of managing aircraft electronic system and the distribution of tested electronic system, can connect the tested electronic equipment needing excitation by gating by concentrated distribution control module; The scope needing to carry out the tested electronic equipment connected can be adjusted, from single tested electronic equipment to whole tested electronic system by software design patterns.User can manage concentrated distribution control module, can locate tested electronic equipment fast and accurately.
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual for coordinating each subsystem immediate data, distributes data-interface to each subsystem, the data that each subsystem of store and management produces; Described subsystem refers to system incentive model, simulation visual display system, analogue instrument and switching system, user instruction interfering system, signal generating system, data acquisition monitoring system, concentrates distribution control module, power-supply management system, external data interface etc.;
The remote control management that described power-supply management system is powered to tested electronic equipment each in tested electronic system, can the dangerous situation of analog machine power down or electricity shortage, for tested electronic system provides device looses power test environment, thus the working condition of tested electronic system when single or multiple tested electronic equipment power down can be observed;
Described external data interface provides interface between software and hardware to third-party testing equipment; The distinctive signal emulating and monitor cannot be carried out for this emulation platform, by external data interface, just can introduce third-party testing equipment and complete test emulation work.For other electronic equipment meeting interface protocol, also can access this emulation platform and test, which enhance the extensibility of this emulation platform, also reduce R&D costs and test risk.
Described user instruction interfering system is controlled by the model excitation emulation platform of software instruction to aircraft electrical subsystem for user, and user can produce by software instruction the original excitation signal that system incentive model can not produce in a manual mode; The main contents of software instruction comprise control model selection instruction (manually producing original excitation signal or system incentive model generation original excitation signal), the transmission of pumping signal and the preservation of reception instruction, data and load instructions, the connection of concentrating distribution control module and tested electronic system bus and open command etc.
Described body model comprises aircraft contour structures model, engine mockup and mission simulation model.
The content of described aircraft contour structures model comprises body length, spanwise extent, control rudder face position, load born by engine body area, body weight.
The content of described engine mockup comprises engine type, motor power.
The content of described mission simulation model comprises Flight Control Law, state of flight, flies condition setting parameter in advance.
Described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment Controlling model.
Preferably, described simulation visual system has third party's what comes into a driver's software interface, can provide corresponding visible environment by loading third-party what comes into a driver's software mode.
The present embodiment, for avionics system, illustrates the process of establishing of some main modular and the simplified process of testing flying vehicle electronic system in the model excitation emulation platform of aircraft electrical subsystem.
Avionics system, hereinafter referred to as avionics system, be all comparatively complicated a kind of electronic system of structure and applied environment, usually need to carry out full test to avionics system before aircraft model machine completes, and test some dangerous projects can not carried out on aircraft model machine.
One, the foundation of system incentive model (the avionics system excitation model namely in this example).
Avionics system excitation model comprises aircraft body model, flight environment of vehicle model, Aerial Electronic Equipment model, correspondence aforesaid body model, simulated environment model, electronic equipment model herein respectively.
1) aircraft body model
Set up aircraft body model and mainly set up aircraft contour structures model, engine mockup, mission simulation model by Software tool (as softwares such as CATIA, UG).
A) aircraft contour structures model is the main model relevant with aircraft body structure, and content comprises body length, spanwise extent, control rudder face position, load born by engine body area, body weight etc.
B) content of engine mockup comprises engine type, motor power etc.
C) mission simulation model mainly provides Flight Control Law, state of flight, flies condition setting parameter etc. in advance.
The invention provides configurable mission simulation model, this model provides the breathing crack mode of six degree of freedom, and described six degree of freedom refers to that aircraft moves aloft, with the speed of barycenter translation
With rotation around center of mass angular velocity
Six-freedom degree.User according to specific design scheme, in conjunction with aircraft contour structures model, can set the Flight Control Law of aircraft, makes it to meet Prototype Design requirement.Flight Control Law refers to that aircraft is in flight course, the funtcional relationship in flight control system between the output quantity of topworks and each control signal.
This mission simulation model provides degree of freedom state of flight flexibly, is mainly used in exporting the attitude data in aircraft flight process.
Flying condition setting parameter in advance for user provides the Selecting parameter function of simulated flight, and these parameters are for affecting the state of aircraft body model in simulated flight process, and these parameters mainly comprise: highly, magnetic heading, true air speed, aircraft gross weight, amount of fuel etc.
Mission simulation model can accept the control data of engine mockup and aircraft contour structures Model Transfer, can accept from analogue instrument and the flight controlled quentity controlled variable of switching system and the control of switching value simultaneously, as Throttle Opening Control, wing flap and slat control, take-off and landing device controls, spoiler controls, pitching trimming control, braking controls and tail-off control etc.Mission simulation model can compatible manually flight and automatic flight two kinds of patterns.
2) flight environment of vehicle model
Flight environment of vehicle model comprises worldwide navigation and topographic map model and atmospheric environment Controlling model.
Worldwide navigation and topographic map model provide database and the navigation model of worldwide navigation, geodata when this model can simulate the flight of each department in the world and navigation data, simultaneously can simulated flight device and Land Navigation Installation (as radio nodirectional beacon earth station, instrument landing system (ILS), range finder etc.) carry out tuning with communicate, and the flight planning provided according to external flight management system can be provided fly.This model provides latitude and longitude coordinates and the altitude information of aircraft body model.
Atmospheric environment Controlling model can be simulated provides wind environment to control and environment temperature control.Wind environment controls the setting comprising wind direction (horizontal and vertical) and wind speed, can set turbulent flow in air.Environment temperature controls to comprise to arrange Sea Level Temperature.By the control to atmospheric environment, can the different flight environment of vehicle of real simulation on the impact of aircraft performance, improve authenticity and the validity of test emulation environment.
3) Aerial Electronic Equipment model
According to the functional characteristic of tested Aerial Electronic Equipment, set up the logical model (i.e. the logical model of tested electronic equipment) of Aerial Electronic Equipment.The logical model of Aerial Electronic Equipment can simulate the logic function of actual tested Aerial Electronic Equipment.Aerial Electronic Equipment model can receive and respond the signal of aircraft body model and flight environment of vehicle Model Transfer, produces the original excitation signal of the tested Aerial Electronic Equipment of corresponding needs excitation.Original excitation signal is sent to central data processing unit and carries out coded treatment.
Two, the foundation of analogue instrument and switching system.
A) displaying contents of Displaying Meter equipment as required and display mode, use software to set up virtual display system, namely analogue instrument; By the software interface of analogue instrument and switching system, set up data-mapping with system incentive model, from system incentive model, obtain the data needing display, and be presented on analogue instrument.
B) according to the designing requirement of aircraft cockpit and avionics system, set up visual analogue enlargement button and analog switch by software, analogue enlargement button and analog switch may be used for input control signal; Control signal is sent to system incentive model.Analogue instrument and switching system carry out data interaction by the mode of memory-mapped and system incentive model.
Three, the foundation of signal generating system.
According to the signaling protocol of tested Aerial Electronic Equipment and the difference (as RS422, ARINC429, ARINC664, simulating signal, discrete signal etc.) of signal type, set up the signal generating system of expandable type.According to the quantity of the tested Aerial Electronic Equipment in tested electronic system, kind and required signalling channel amount, set up corresponding signal generating module.Signal generating module connects central data processing unit, receives the original excitation signal after the coding transmitted from central data processing unit, produces the actual pumping signal that tested Aerial Electronic Equipment can identify.
Four, the foundation of user instruction interfering system.
According to the requirement of test, set up corresponding software instruction, user can be controlled by the model excitation emulation platform of software instruction to aircraft electrical subsystem.The main contents of software instruction comprise control model selection instruction (manually producing original excitation signal or system incentive model generation original excitation signal), the transmission of pumping signal and the preservation of reception instruction, data and load instructions, the connection of concentrating distribution control module and tested electronic system bus and open command etc.When at some in particular cases, when system incentive model can not produce some special original excitation signal, user can go to produce those special original excitation signal by software instruction in a manual mode.
After the model excitation emulation platform foundation of this aircraft electrical subsystem, can respectively control rudder face to aircraft model machine housing construction and body to emulate, can emulate the flight environment of vehicle of model machine, can emulate the internal logic of model machine electronic equipment used and data-interface, and then produce the actual pumping signal of corresponding tested electronic equipment, send to tested electronic equipment.The duty of tested electronic equipment can be observed subsequently, or tested electronic functionalities is assessed.
Apply experimental test procedures of the present invention as follows:
A. configuration-system excitation model is with the requirement of the tested electronic system of satisfied reality; Arrange and fly condition in advance, make the state of flight after body model working stability meet test request; Worldwide navigation and topographic map and atmospheric environment are set, the external environment condition of system incentive model is provided.
B. system incentive model enters steady-working state, selects the tested electronic equipment (carrying out gating by concentrated distribution control module) needing to carry out testing, sets up test loop.System incentive model sends original excitation signal, and signal generating system produces actual pumping signal, encourages tested electronic equipment, and then data acquisition monitoring system reads the feedback information of tested electronic equipment, feeds back to analogue instrument and switching system.The state of tested electronic equipment can show on analogue instrument.
C. by the analogue enlargement button in analogue instrument and switching system and analog switch, there is provided control signal to system incentive model, change system incentive model state, again encourage tested electronic equipment, monitor the duty of tested electronic equipment, or tested electronic functionalities is assessed.
The scope of the original excitation signal that d. can produce beyond system incentive model when the pumping signal required for tested electronic equipment, then can utilize user instruction interfering system, adopt the instruction of manual mode Input Software, produce original excitation signal, the tested electronic equipment of de-energisation, then monitor the duty of tested electronic equipment, or tested electronic functionalities is assessed.
E. by concentrating distribution control module to change the tested electronic equipment connected, above-mentioned steps b, c, d being repeated to other tested electronic equipment, completes test plan.
F. output test data, tested electronic system (this example i.e. avionics system) is revised.
Claims (7)
1. a model excitation emulation platform for aircraft electrical subsystem, is characterized in that: comprise system incentive model, simulation visual display system, analogue instrument and switching system, central data processing unit, user instruction interfering system, signal generating system, data acquisition monitoring system, concentrate distribution control module, power-supply management system, external data interface;
Central data processing unit connects user instruction interfering system, concentrated distribution control module, signal generating system, data acquisition monitoring system, external data interface, power-supply management system, system incentive model, simulation visual display system and analogue instrument and switching system; Distribution control module is concentrated to connect external data interface, user instruction interfering system, signal generating system, data acquisition monitoring system and power-supply management system; System incentive model connecting analog visual display system, analogue instrument and switching system;
Described system incentive model comprises body model, simulated environment model, electronic equipment model, software interface, the structure of body modeling body, and the impact that simulated flight control and conditional parameter fly on body, and body modeling data is passed to electronic equipment model, simulated environment model provides the external environment condition of simulation to body model, namely provides the action condition of external environment condition to body model, the built-in logical model of one or more tested electronic equipment in electronic equipment model, electronic equipment model can the data of responder body Model and simulated environment Model Transfer, simultaneously can the control signal of response simulation instrument and switching system, produce corresponding original excitation signal, original excitation signal sends to central data processing unit to encode by software interface, original excitation signal subsequently after coding is sent to signal generating system, signal generating system produces the actual pumping signal that tested electronic equipment can identify, and by concentrating distribution control module to pass to actual tested electronic equipment, described logical model can simulate the logic function of actual tested Aerial Electronic Equipment,
Described simulation visual display system provides visible environment for user, can provide visual effect true to nature to user;
Described analogue instrument and switching system provide visual operation interface for testing, and can provide control signal to system incentive model, also can carry out data interaction with central data processing unit;
Described data acquisition monitoring system gathers the data in the bus of tested electronic system, then feeds back to analogue instrument and switching system, makes analogue instrument and switching system can monitor the duty of tested electronic equipment;
The characteristics of signals of described signal generating system required for tested electronic equipment, according to the original excitation signal after coding, produces the actual pumping signal that tested electronic equipment can identify;
Described concentrated distribution control module is used for the model excitation emulation platform of managing aircraft electronic system and the distribution of tested electronic system, can connect the tested electronic equipment needing excitation by gating by concentrated distribution control module;
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual for coordinating each subsystem immediate data, distributes data-interface to each subsystem, the data that each subsystem of store and management produces;
The remote control management that described power-supply management system is powered to tested electronic equipment each in tested electronic system, can the dangerous situation of analog machine power down or electricity shortage, for tested electronic system provides device looses power test environment, thus the working condition of tested electronic system when single or multiple tested electronic equipment power down can be observed;
Described external data interface provides interface between software and hardware to third-party testing equipment;
Described user instruction interfering system is controlled by the model excitation emulation platform of software instruction to aircraft electrical subsystem for user, and user can produce by software instruction the original excitation signal that system incentive model can not produce in a manual mode.
2. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 1, is characterized in that: described body model comprises aircraft contour structures model, engine mockup and mission simulation model.
3. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 2, is characterized in that: the content of described aircraft contour structures model comprises body length, spanwise extent, control rudder face position, load born by engine body area, body weight.
4. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 2, is characterized in that: the content of described engine mockup comprises engine type, motor power.
5. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 2, is characterized in that: the content of described mission simulation model comprises Flight Control Law, state of flight, flies condition setting parameter in advance.
6. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 1, is characterized in that: described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment Controlling model.
7. the model excitation emulation platform of aircraft electrical subsystem as claimed in claim 1, is characterized in that: described simulation visual system has third party's what comes into a driver's software interface, can provide corresponding visible environment by loading third-party what comes into a driver's software mode.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101382968A (en) * | 2008-10-17 | 2009-03-11 | 北京航空航天大学 | Advanced synthesis type aviation electronic simulation system and simulation method thereof |
| CN101950157A (en) * | 2010-07-30 | 2011-01-19 | 北京航空航天大学 | Flight simulation system with high instantaneity |
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