CN103065022A - 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 at present use of 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 guarantee that single electronic equipment down to the safety of whole electronic system, needed it is carried out omnibearing test and correction before electronic system comes into operation.
Existing test platform to Complex Electronic Systems Based, need to wait until generally that the electronic equipment of whole system is all here or substantially here just can carry out the test of system level, the electronic system that has test even will wait until after experimental prototype is finished and just can carry out.Existing method is very low to the testing efficiency of electronic system, and the dangerous project that many model machines are difficult to finish can not test, and impact strengthens the application risk of electronic system to the Performance Evaluation of whole electronic system.
Summary of the invention
The objective of the invention is to replenish the deficiencies in the prior art, a kind of model excitation emulation platform of aircraft electrical subsystem is provided, set up the system incentive model that comprises body model, simulated environment model, electronic equipment model, emulation platform is for the characteristics of signals of tested electronic equipment, with it signal generating system and the data acquisition monitoring system of respective signal have been set up, by concentrating the distribution control module to connect the tested electronic equipment that needs excitation by gating, the user can carry out emulation testing for the concrete link that will test.The technical solution used in the present invention is:
A kind of model excitation emulation platform of 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;
The 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; Concentrate the distribution control module 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 simulated flight control and conditional parameter be on the impact of body flight, and body modeling data are passed to the electronic equipment model; The simulated environment model provides the external environment condition of simulation to the body model, and the action condition of external environment condition namely is provided to the body model; The built-in logical model of one or more tested electronic equipments in the electronic equipment model, the electronic equipment model can the responder body Model and the data of simulated environment Model Transfer, simultaneously can the response simulation instrument and the control signal of switching system, produce corresponding original excitation signal, original excitation signal sends to the central data processing unit by software interface and encodes, original excitation signal behind the coding is sent to signal generating system subsequently, signal generating system produces the actual pumping signal that tested electronic equipment can be identified, and by concentrating the distribution control module to pass to actual tested electronic equipment;
Described simulation visual display system provides visible environment for the user, can provide visual effect true to nature to the user;
Described analogue instrument and switching system provide visual operation interface for test, can provide control signal to the system incentive model, also can carry out data interaction with the central data processing unit;
Described data acquisition monitoring system gathers the data on the bus of tested electronic system, then feeds back to analogue instrument and switching system, so that analogue instrument and switching system can monitor the duty of tested electronic equipment;
Described signal generating system is according to the needed characteristics of signals of tested electronic equipment, and the original excitation signal according to behind the coding produces the actual pumping signal that tested electronic equipment can be identified;
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 that needs excitation by gating by concentrating the distribution control module;
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual that it is used for coordinating each subsystem immediate data, to each subsystem distribute data interface, and the data that each subsystem of store and management produces;
The remote control management that described power-supply management system is powered to each tested electronic equipment in the tested electronic system, can the analog machine power down or the dangerous situation of electricity shortage, for tested electronic system provides the device looses power test environment, thereby can observe the working condition of tested electronic system in the situation of single or multiple tested electronic equipment power down;
Described external data interface provides interface between software and hardware to third-party testing equipment;
Described user instruction interfering system is controlled the model excitation emulation platform of aircraft electrical subsystem by software instruction for the user, and the user can produce the original excitation signal that the system incentive model can not produce by software instruction with 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, span size, 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 the condition setting parameter in advance.
Further, described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment control 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, can by setting up the electronic equipment model bank, according to the corresponding electronic system model of customer demand fast construction, can set up at short notice the electronic system test platform of open architecture formula.Mode that can be by model excitation 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 finishing.The user can simulated hazard and complicated test environment, carries out pumping signal to tested electronic system and injects, and reduces the risk and cost of testing by model machine merely.System can control the test link flexibly by concentrating the distribution control module, realizes the comprehensive test to tested electronic system.The present invention not only can test the performance of electronic system, can also assess the framework of system, and the Computer Aided Design personnel carry out troubleshooting and correction.
Description of drawings
Fig. 1 is that structure of the present invention forms synoptic diagram.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
The model of the aircraft electrical subsystem that the present invention proposes encourages emulation platform, is mainly used in the test of the electronic system of aircraft, as shown in Figure 1:
A kind of model excitation emulation platform of 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;
The 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; Concentrate the distribution control module 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 simulated flight control and conditional parameter be on the impact of body flight, and body modeling data are passed to the electronic equipment model; The simulated environment model provides the external environment condition of simulation to the body model, and the action condition of external environment condition namely is provided to the body model; The user can change external environment condition by the control interface that the simulated environment model provides; The built-in logical model of one or more tested electronic equipments in the electronic equipment model, the electronic equipment model can the responder body Model and the data of simulated environment Model Transfer, simultaneously can the response simulation instrument and the control signal of switching system, produce corresponding original excitation signal, original excitation signal sends to the central data processing unit by software interface and encodes, original excitation signal behind the coding is sent to signal generating system subsequently, signal generating system produces the actual pumping signal that tested electronic equipment can be identified, and by concentrating the distribution control module to pass to actual tested electronic equipment;
Described simulation visual display system provides visible environment for the user, can provide visual effect (such as outside visual condition, course line meteorology etc.) true to nature to the user;
Described analogue instrument and switching system provide visual operation interface for test, can provide control signal to the system incentive model, also can carry out data interaction with the central data processing unit.Before true instrument system assembling is used, analogue instrument in analogue instrument and the switching system can provide to the user displaying contents of approximate true instrument, and the simulation control knob in analogue instrument and the switching system and analog switch can be used for input control signal.Analogue instrument also can be used for the Performance Evaluation to true instrument system.
Described data acquisition monitoring system gathers the data on the bus of tested electronic system, then feeds back to analogue instrument and switching system, so that analogue instrument and switching system can monitor the duty of tested electronic equipment;
Described signal generating system is according to the needed characteristics of signals of tested electronic equipment (namely being energized electronic equipment), and the original excitation signal according to behind the coding produces the actual pumping signal that tested electronic equipment can be identified; Signal generating system is mainly by 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 that needs excitation by gating by concentrating the distribution control module; Can adjust by software setting the scope of the tested electronic equipment that need to connect, from single tested electronic equipment to whole tested electronic system.The user can manage concentrating the distribution control module, can locate fast and accurately tested electronic equipment.
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual that it is used for coordinating each subsystem immediate data, to each subsystem distribute data interface, and 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 each tested electronic equipment in the tested electronic system, can the analog machine power down or the dangerous situation of electricity shortage, for tested electronic system provides the device looses power test environment, thereby can observe the working condition of tested electronic system in the situation of single or multiple tested electronic equipment power down;
Described external data interface provides interface between software and hardware to third-party testing equipment; For the distinctive signal that this emulation platform can't carry out emulation and monitoring, by external data interface, just can introduce third-party testing equipment and finish test emulation work.For other electronic equipment that satisfies interface protocol, also can access this emulation platform and test, improved like this extensibility of this emulation platform, also reduced R﹠D costs and test risk.
Described user instruction interfering system is controlled the model excitation emulation platform of aircraft electrical subsystem by software instruction for the user, and the user can produce the original excitation signal that the system incentive model can not produce by software instruction with manual mode; The main contents of software instruction comprise send and receive instruction, the data of control model selection instruction (manually produce original excitation signal or system incentive model produce original excitation signal), pumping signal preservation and load instructions, concentrate being connected and open command etc. of distribution control module and tested electronic system bus.
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, span size, 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 the condition setting parameter in advance.
Described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment control 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.
Present embodiment illustrates that take avionics system as example the model of aircraft electrical subsystem encourages the process of setting up of some main modular in the emulation platform and the concise and to the point process of testing flying vehicle electronic system.
Avionics system, hereinafter to be referred as avionics system, be all comparatively complicated a kind of electronic systems of structure and applied environment, usually need to before the aircraft model machine is finished, carry out full test to avionics system, and test the dangerous project that some can not carry out on the aircraft model machine.
One, the foundation of system incentive model (being the avionics system excitation model in this example).
Avionics system excitation model comprises aircraft body model, the flight environment of vehicle model, and the Aerial Electronic Equipment model, the difference correspondence is aforesaid body model, simulated environment model, electronic equipment model herein.
1) aircraft body model
Setting up aircraft body model mainly is to set up aircraft contour structures model, engine mockup, mission simulation model by Software tool (such as softwares such as CATIA, UG).
A) aircraft contour structures model is the main model relevant with the aircraft housing construction, and content comprises body length, span size, 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 Open-closed-loop control 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.The user can in conjunction with aircraft contour structures model, set the Flight Control Law of aircraft according to the specific design scheme, makes it to meet the Prototype Design requirement.Flight Control Law refers to aircraft in flight course, the funtcional relationship in the flight control system between the output quantity of topworks and each control signal.
This mission simulation model provides flexibly state of flight of degree of freedom, is mainly used in exporting the attitude data in the aircraft flight process.
Fly in advance the condition setting parameter and provide the parameter selection function of simulated flight for the user, these parameters are used for affecting aircraft body model at the state of 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 be accepted the control data of engine mockup and aircraft contour structures Model Transfer, can accept from the flight controlled quentity controlled variable of analogue instrument and switching system and the control of switching value simultaneously, such as Throttle Opening Control, wing flap and slat control, take-off and landing device control, spoiler control, pitching trimming control, brake control and tail-off control etc.Mission simulation model can compatible manually flight and two kinds of patterns of automatic flight.
2) flight environment of vehicle model
The flight environment of vehicle model comprises worldwide navigation and topographic map model and atmospheric environment control model.
Worldwide navigation and topographic map model provide database and the navigation model of worldwide navigation, geodata and navigation data when this model can be simulated the flight of each department in the world, simultaneously can the simulated flight device and Land Navigation Installation (such as radio nodirectional beacon earth station, instrument landing system (ILS), range finder etc.) carry out tuning with communicate by letter, and the flight planning that provides according to outside flight management system can be provided fly.This model provides latitude and longitude coordinates and the altitude information of aircraft body model.
Atmospheric environment control model can be simulated provides wind environment control and environment temperature control.Wind environment control comprises the setting of wind direction (horizontal and vertical) and wind speed, can set turbulent flow in the air.Environment temperature control comprises Sea Level Temperature is arranged.By the control to atmospheric environment, can real simulation different flight environment of vehicle have improved authenticity and the validity of test emulation environment to the impact of aircraft performance.
3) Aerial Electronic Equipment model
According to the functional characteristic of tested Aerial Electronic Equipment, set up the logical model (being the logical model of tested electronic equipment) of Aerial Electronic Equipment.The logical model of Aerial Electronic Equipment can be simulated the logic function of actual tested Aerial Electronic Equipment.The 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 the processing of encoding of central data processing unit.
Two, the foundation of analogue instrument and switching system.
A) as required displaying contents and the display mode of Displaying Meter equipment uses 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 the system incentive model, from the system incentive model, obtain the data that need demonstration, and be presented on the analogue instrument.
B) according to the designing requirement of aircraft cockpit and avionics system, set up visual simulation control knob and analog switch by software, simulation control knob and analog switch can be used for input control signal; Control signal is sent to the system incentive model.Analogue instrument and switching system are carried out data interaction by mode and the system incentive model of memory-mapped.
Three, the foundation of signal generating system.
According to the signaling protocol of tested Aerial Electronic Equipment and different (such as RS422, ARINC429, ARINC664, simulating signal, the discrete signals etc.) of signal type, set up the signal generating system of expandable type.According to quantity, kind and the needed signalling channel amount of the tested Aerial Electronic Equipment in the tested electronic system, set up corresponding signal generating module.Signal generating module connects the central data processing unit, receives the original excitation signal behind the coding that transmits from central data processing unit, produces the actual pumping signal that tested Aerial Electronic Equipment can be identified.
Four, the foundation of user instruction interfering system.
According to the requirement of test, set up corresponding software instruction, the user can control the model excitation emulation platform of aircraft electrical subsystem by software instruction.The main contents of software instruction comprise send and receive instruction, the data of control model selection instruction (manually produce original excitation signal or system incentive model produce original excitation signal), pumping signal preservation and load instructions, concentrate being connected and open command etc. of distribution control module and tested electronic system bus.When at some in particular cases, when the system incentive model can not produce some special original excitation signal, the user can go to produce those special original excitation signal with manual mode by software instruction.
After the model excitation emulation platform of this aircraft electrical subsystem is set up, can respectively control rudder face to aircraft model machine housing construction and body and carry out emulation, can carry out emulation to the flight environment of vehicle of model machine, can carry out emulation to internal logic and the data-interface of the used electronic equipment of model machine, and then produce the actual pumping signal of corresponding tested electronic equipment, send to tested electronic equipment.Can observe subsequently the duty of tested electronic equipment, perhaps tested electronic functionalities be assessed.
It is as follows to use experiment test process of the present invention:
A. configuration-system excitation model is to satisfy the requirement of actual tested electronic system; The condition that flies in advance is set, makes the state of flight behind the 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. the system incentive model enters steady-working state, and the tested electronic equipment that selection need to be tested (coming gating by concentrating the distribution control module) is set up test loop.The system incentive model sends original excitation signal, and signal generating system produces actual pumping signal, and tested electronic equipment is encouraged, 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 at analogue instrument.
C. by simulation control knob and analog switch in analogue instrument and the switching system, provide control signal to the system incentive model, change the system incentive model state, again encourage tested electronic equipment, monitor the duty of tested electronic equipment, perhaps tested electronic functionalities is assessed.
D. the scope that has exceeded the original excitation signal that the system incentive model can produce when the needed pumping signal of tested electronic equipment, then can utilize the 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, perhaps tested electronic functionalities is assessed.
E. by concentrating the distribution control module to change the tested electronic equipment that connects, other tested electronic equipment is repeated above-mentioned steps b, c, d, finish test plan.
F. output test data, tested electronic system (this example is avionics system) is revised.
Claims (7)
1. the model of aircraft electrical subsystem excitation emulation platform 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;
The 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; Concentrate the distribution control module 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 simulated flight control and conditional parameter be on the impact of body flight, and body modeling data are passed to the electronic equipment model; The simulated environment model provides the external environment condition of simulation to the body model, and the action condition of external environment condition namely is provided to the body model; The built-in logical model of one or more tested electronic equipments in the electronic equipment model, the electronic equipment model can the responder body Model and the data of simulated environment Model Transfer, simultaneously can the response simulation instrument and the control signal of switching system, produce corresponding original excitation signal, original excitation signal sends to the central data processing unit by software interface and encodes, original excitation signal behind the coding is sent to signal generating system subsequently, signal generating system produces the actual pumping signal that tested electronic equipment can be identified, and by concentrating the distribution control module to pass to actual tested electronic equipment;
Described simulation visual display system provides visible environment for the user, can provide visual effect true to nature to the user;
Described analogue instrument and switching system provide visual operation interface for test, can provide control signal to the system incentive model, also can carry out data interaction with the central data processing unit;
Described data acquisition monitoring system gathers the data on the bus of tested electronic system, then feeds back to analogue instrument and switching system, so that analogue instrument and switching system can monitor the duty of tested electronic equipment;
Described signal generating system is according to the needed characteristics of signals of tested electronic equipment, and the original excitation signal according to behind the coding produces the actual pumping signal that tested electronic equipment can be identified;
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 that needs excitation by gating by concentrating the distribution control module;
Described central data processing unit is the computer hardware with data processing function and image processing function, and it is mutual that it is used for coordinating each subsystem immediate data, to each subsystem distribute data interface, and the data that each subsystem of store and management produces;
The remote control management that described power-supply management system is powered to each tested electronic equipment in the tested electronic system, can the analog machine power down or the dangerous situation of electricity shortage, for tested electronic system provides the device looses power test environment, thereby can observe the working condition of tested electronic system in the situation of single or multiple tested electronic equipment power down;
Described external data interface provides interface between software and hardware to third-party testing equipment;
Described user instruction interfering system is controlled the model excitation emulation platform of aircraft electrical subsystem by software instruction for the user, and the user can produce the original excitation signal that the system incentive model can not produce by software instruction with manual mode.
2. the model of aircraft electrical subsystem as claimed in claim 1 encourages emulation platform, and it is characterized in that: described body model comprises aircraft contour structures model, engine mockup and mission simulation model.
3. the model of aircraft electrical subsystem as claimed in claim 2 encourages emulation platform, it is characterized in that: the content of described aircraft contour structures model comprises body length, span size, control rudder face position, load born by engine body area, body weight.
4. the model of aircraft electrical subsystem as claimed in claim 2 encourages emulation platform, and it is characterized in that: the content of described engine mockup comprises engine type, motor power.
5. the model of aircraft electrical subsystem as claimed in claim 2 excitation emulation platform is characterized in that: the content of described mission simulation model comprises Flight Control Law, state of flight, flies the condition setting parameter in advance.
6. the model of aircraft electrical subsystem as claimed in claim 1 encourages emulation platform, it is characterized in that: described simulated environment model comprises worldwide navigation and topographic map model and atmospheric environment control model.
7. the model of aircraft electrical subsystem as claimed in claim 1 encourages emulation platform, and it 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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