CN103336441A - Semi-physical real-time simulation system for hydraulic undercarriage of airplane - Google Patents
Semi-physical real-time simulation system for hydraulic undercarriage of airplane Download PDFInfo
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- CN103336441A CN103336441A CN2013102509064A CN201310250906A CN103336441A CN 103336441 A CN103336441 A CN 103336441A CN 2013102509064 A CN2013102509064 A CN 2013102509064A CN 201310250906 A CN201310250906 A CN 201310250906A CN 103336441 A CN103336441 A CN 103336441A
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Abstract
The invention relates to a semi-physical real-time simulation system for a hydraulic undercarriage of an airplane, which includes a human-computer interface device and a semi-physical simulation device, wherein the human-computer interface device includes a digital simulation system, a comprehensive management system, a signal simulation system and an instrument display system; the semi-physical simulation device includes a simulation target machine; the digital simulation system is used for building a model for a hydraulic undercarriage of an airplane, performs digital simulation and generates an object code; the comprehensive management system is used for downloading the object code into the simulation target machine for real-time semi-physical simulation, and manages the entire semi-physical simulation process in a unified manner; during the simulation, the signal simulation system is used for providing simulated avionic signals; the instrument display system is used for displaying related data and status information of the hydraulic undercarriage of the airplane. According to the system, the human-computer interface device is combined with the semi-physical simulation device to form a semi-physical real-time simulation system, the efficiency for developing the hydraulic undercarriage of the airplane can be improved, the developing process can be quickened, and the research and development quality can be guaranteed.
Description
Technical field
The present invention relates to analogue means and proving installation in the aircraft development performance history, specifically a kind of aircraft hydraulic pressure undercarriage semi physical real-time emulation system.
Background technology
Aircraft hydraulic pressure undercarriage comprises subsystems such as landing-gear system, Nose Wheel Steering system, wheel braking system, hydraulic pressure comprehensive control system, and these subsystems all relate to a plurality of fields such as control system, hydraulic system, mechanical system.The development of aircraft hydraulic pressure undercarriage and verification experimental verification are a cross-cutting job, but lack real-time emulation system in the prior art, cause its lead time long, testing expense is high.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of aircraft hydraulic pressure undercarriage semi physical real-time emulation system is provided, this system can shorten the lead time of aircraft hydraulic pressure undercarriage, reduces development cost.
According to technical scheme of the present invention: a kind of aircraft hydraulic pressure undercarriage semi physical real-time emulation system comprises human-computer interface device and the semi-physical simulation device that links to each other with described human-computer interface device; Described human-computer interface device comprises Digital Simulation System, total management system, signal imitation system and instrument display system, and described semi-physical simulation device comprises the simulation objectives machine, and described simulation objectives machine links to each other with described signal imitation system by data-interface; Described Digital Simulation System is set up model to described aircraft hydraulic pressure undercarriage, carry out Digital Simulation, and by code generation module generation object code, described object code is downloaded in the described simulation objectives machine by described total management system and carries out real-time semi-physical simulation, and described total management system is carried out unified management to whole semi-physical simulation process; In simulation process, described signal imitation system provides the avionics signal of simulation for described simulation objectives machine and described instrument display system, simultaneously, described instrument display system shows data and the status information that described aircraft hydraulic pressure undercarriage is relevant with reference to the true cockpit instrument panel of aircraft with visual means.
Described aircraft hydraulic pressure undercarriage comprises control system, hydraulic system and mechanical system, and described simulation objectives machine is divided into hydraulic system/mechanical system simulation objectives machine, Control System Imitation target machine; Described hydraulic system/mechanical system simulation objectives machine is used for the hydraulic system of described aircraft hydraulic pressure undercarriage and the emulation of mechanical system; Described Control System Imitation target machine is used for the emulation of the control system of described aircraft hydraulic pressure undercarriage.
Described simulation objectives machine links to each other with the fault simulation device by described data-interface, the physical fault that the control system of the described aircraft hydraulic pressure undercarriage of described fault simulation device simulation generation is connected with the signal between hydraulic system and the mechanical system is to analyze the control effect of described control system under the fault production.
Described Digital Simulation System adopts the multidomain uniform modeling environment MWorks based on the Modelica language; and adopt the professional software of existing maturation that each professional domain system is carried out modeling; these professional softwares comprise Matlab/Simulink; Simpack; Virtual.Lab Motion; AMESim; DSHplus; MWorks; Matlab/Simulink controls modeling and simulating; Simpack; Virtual.Lab Motion carries out mechanical many volume modelings emulation; AMESim; DSHplus carries out the hydraulic pressure modeling and simulating, and MWorks controls; machinery; the multi-field coupling modeling and simulating of hydraulic pressure.
Technique effect of the present invention is: the present invention engages with the semi-physical simulation device by human-computer interface device, constructs the semi physical real-time emulation system, can improve the efficient of aircraft hydraulic pressure undercarriage development work, accelerates Development Schedule, guarantees the research and development quality.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
As shown in Figure 1, the present invention is a kind of aircraft hydraulic pressure undercarriage semi physical real-time emulation system, aircraft hydraulic pressure undercarriage comprises control system, hydraulic system and mechanical system, and the semi physical real-time emulation system comprises human-computer interface device and the semi-physical simulation device that links to each other with human-computer interface device.Human-computer interface device comprises Digital Simulation System, total management system, signal imitation system and instrument display system, and the semi-physical simulation device comprises the simulation objectives machine, and the simulation objectives machine links to each other with the signal imitation system by data-interface.
Digital Simulation System is set up model to aircraft hydraulic pressure undercarriage, carry out Digital Simulation, and by code generation module generation object code, object code is downloaded to by total management system and carries out real-time semi-physical simulation in the simulation objectives machine, and total management system is carried out unified management to whole semi-physical simulation process.In simulation process, the signal imitation system provides the avionics signal of simulation for simulation objectives machine and instrument display system, simultaneously, instrument display system shows relevant data and the status information of aircraft hydraulic pressure undercarriage with reference to the true cockpit instrument panel of aircraft with visual means.
Digital Simulation System adopts the multidomain uniform modeling environment MWorks based on the Modelica language; and adopt the professional software of existing maturation that each professional domain system is carried out modeling; these professional softwares comprise Matlab/Simulink; Simpack; Virtual.Lab Motion; AMESim; DSHplus; MWorks; Matlab/Simulink controls modeling and simulating; Simpack; Virtual.Lab Motion carries out mechanical many volume modelings emulation; AMESim; DSHplus carries out the hydraulic pressure modeling and simulating, and MWorks controls; machinery; the multi-field coupling modeling and simulating of hydraulic pressure.
In each simulation software support model coupling, solver coupling and three kinds of modes of process coupling one or more can select optimal mode to carry out associative simulation according to actual conditions.By utilizing the RTW of Matlab/Simulink, generate object code automatically.
Total management system is master control system of the present invention, and system software comprises SimDesk emulation desktop tool and SimTarget target machine control software.SimTarget adopts the VS2005 exploitation.Total management system is by friendly man-machine interface, make the user can finish the Work Process Management of whole simulation system, comprising: functions such as the storage of the download automatically of Simulation Engineering management, simulation configurations, code, Simulation Control, preset parameter, online accent ginseng, emulation supervision and emulated data and off-line analysis.
The signal imitation system provides hydraulic pressure, all required external bus signals of Landing Gear System logic controller by real hardware or virtual instrument mode, and receives the bus signals of storing and sending to avionics system or other system.The definition of concrete signal form and data content is according to the bus signals Interface Definition Document regulation of the systems provider of airliner hydraulic energy system, Landing Gear System.The dbase of signal imitation system is SimSignal, adopts LabWindows and VS2005 to develop jointly.
Instrument display system is design basis with the real instrument display device of aircraft avionics system, based on standard human-computer interface device technology, is core with the software of customized development, realizes the major function of emulation aircraft cockpit instrument display system.The system emulation content displayed is consistent with true instrumentation, and display effect is consistent or suitable with true instrumentation.The dbase of instrument display system is SimPanel, develops at VS2005 based on FLTK and OpenGL storehouse.
The simulation objectives machine is the computing machine that carries out the real-time operation model code, moves the real time operating system VxWorks on it, satisfies the demand of undercarriage emulation real-time with the response speed that guarantees system.
The simulation objectives machine is hardware core equipment of the present invention, is divided into hydraulic system/mechanical system simulation objectives machine, Control System Imitation target machine.Hydraulic system/mechanical system simulation objectives machine is used for the emulation of a peacekeeping three-dimensional digital model of the hydraulic system of aircraft hydraulic pressure undercarriage and mechanical system, and simulation realizes the coherent signal of aircraft environment system; The Control System Imitation target machine is used for the real-time simulation of the control system code of aircraft hydraulic pressure undercarriage, and simulation realizes the coherent signal of controller.Hydraulic system/mechanical system simulation objectives machine can exchange mutually with hydraulic pressure undercarriage material object, and the Control System Imitation target machine can exchange mutually with hydraulic pressure undercarriage controller material object.
The simulation objectives machine also links to each other with the fault simulation device by data-interface, the physical fault that the control system of fault simulation device simulation generation aircraft hydraulic pressure undercarriage is connected with the signal between hydraulic system and the mechanical system is with the control effect of analysis and Control system under the fault production.The fault simulation device comprises digital signal fault simulation panel, resistance adjustment panel and adjustment of inductance panel.Wherein, digital signal fault simulation panel is that digital signal is carried out fault simulation, and resistance adjustment and adjustment of inductance panel all carry out fault simulation to simulating signal.
Data-interface comprises interface connector, cabinet panel, signal condition and other equipment, and other equipment comprise 1 16 port ethernet switch; 1～220V, 6kVA, ups power; 2 28V, 10A, four parts of DC power supply.
Interface connector be used for to realize and being connected of other systems such as real system logic controller, the true parts of iron bird stand and avionics, employing be the convenient standard air plug interface that plugs.
Patch panel can realize being connected between the interface connector on signal integrated circuit board I/O port and the rack, and functions such as cable connection, switching, reconfiguration and input, demarcation are provided simultaneously.
Signal condition is the modular converter of physics electric signal, by signal conditioning circuit, data collecting plate card can be directly connected to sensor or driver.Crucial signal condition can improve the overall performance of data collecting plate card.
The present invention has realized the semi physical real-time simulation of aircraft hydraulic pressure undercarriage, the aircraft hydraulic pressure undercarriage model of relevant operating mode is placed on carries out emulation in the present invention, by correlation parameter and result are analyzed, thereby realize aircraft hydraulic pressure undercarriage is carried out performance evaluation and verification experimental verification.
The present invention can improve the aircraft joint project member's of team work efficiency conscientiously, accelerates the Development Schedule of hydraulic system, Landing Gear System concept and schematic design phase, guarantees the research and development quality, improves innovation ability and collaboration capabilities in the aircraft R﹠D process.By the invention provides sustainable expansion and perfect framework, for the application demand that satisfies the development follow-up phase lays a good foundation.
Claims (4)
1. an aircraft hydraulic pressure undercarriage semi physical real-time emulation system is characterized in that: comprise human-computer interface device and the semi-physical simulation device that links to each other with described human-computer interface device; Described human-computer interface device comprises Digital Simulation System, total management system, signal imitation system and instrument display system, and described semi-physical simulation device comprises the simulation objectives machine, and described simulation objectives machine links to each other with described signal imitation system by data-interface; Described Digital Simulation System is set up model to described aircraft hydraulic pressure undercarriage, carry out Digital Simulation, and by code generation module generation object code, described object code is downloaded in the described simulation objectives machine by described total management system and carries out real-time semi-physical simulation, and described total management system is carried out unified management to whole semi-physical simulation process; In simulation process, described signal imitation system provides the avionics signal of simulation for described simulation objectives machine and described instrument display system, simultaneously, described instrument display system shows data and the status information that described aircraft hydraulic pressure undercarriage is relevant with reference to the true cockpit instrument panel of aircraft with visual means.
2. according to the described aircraft hydraulic pressure of claim 1 undercarriage semi physical real-time emulation system, it is characterized in that: described aircraft hydraulic pressure undercarriage comprises control system, hydraulic system and mechanical system, and described simulation objectives machine is divided into hydraulic system/mechanical system simulation objectives machine, Control System Imitation target machine; Described hydraulic system/mechanical system simulation objectives machine is used for the hydraulic system of described aircraft hydraulic pressure undercarriage and the emulation of mechanical system; Described Control System Imitation target machine is used for the emulation of the control system of described aircraft hydraulic pressure undercarriage.
3. according to the described aircraft hydraulic pressure of claim 2 undercarriage semi physical real-time emulation system, it is characterized in that: described simulation objectives machine links to each other with the fault simulation device by described data-interface, the physical fault that the control system of the described aircraft hydraulic pressure undercarriage of described fault simulation device simulation generation is connected with the signal between hydraulic system and the mechanical system is to analyze the control effect of described control system under the fault production.
4. according to the described aircraft hydraulic pressure of claim 1 undercarriage semi physical real-time emulation system; it is characterized in that: described Digital Simulation System adopts the multidomain uniform modeling environment MWorks based on the Modelica language; and adopt the professional software of existing maturation that each professional domain system is carried out modeling; these professional softwares comprise Matlab/Simulink; Simpack; Virtual.Lab Motion; AMESim; DSHplus; MWorks; Matlab/Simulink controls modeling and simulating; Simpack; Virtual.Lab Motion carries out mechanical many volume modelings emulation; AMESim; DSHplus carries out the hydraulic pressure modeling and simulating, and MWorks controls; machinery; the multi-field coupling modeling and simulating of hydraulic pressure.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104123404A (en) * | 2014-04-23 | 2014-10-29 | 中国航空工业集团公司沈阳飞机设计研究所 | Undercarriage modeling method |
| CN105260555A (en) * | 2015-10-28 | 2016-01-20 | 苏州同元软控信息技术有限公司 | Modelica model-based fault injection system and method |
| CN105278347A (en) * | 2015-11-17 | 2016-01-27 | 江西洪都航空工业集团有限责任公司 | Digital virtual airplane testing stand construction method |
| CN106055728A (en) * | 2016-04-19 | 2016-10-26 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Civil airplane flight control system mixing heterogeneous simulation platform |
| CN106707792A (en) * | 2016-11-18 | 2017-05-24 | 中航飞机起落架有限责任公司 | Multifunctional undercarriage integration test control device and method |
| CN106773788A (en) * | 2016-12-28 | 2017-05-31 | 中国航空工业集团公司西安飞机设计研究所 | A kind of undercarriage emulation platform |
| CN107274741A (en) * | 2017-07-10 | 2017-10-20 | 中国航空工业集团公司西安飞机设计研究所 | A kind of ground crew's virtual teaching system driven based on model aircraft |
| CN109345902A (en) * | 2018-12-07 | 2019-02-15 | 江西洪都航空工业集团有限责任公司 | A kind of flight simulator aircraft emulation system |
| CN109714281A (en) * | 2018-12-24 | 2019-05-03 | 中国航空工业集团公司西安飞机设计研究所 | Iron bird platform data interaction system |
| CN110979732A (en) * | 2019-12-12 | 2020-04-10 | 上海科梁信息工程股份有限公司 | Anti-skid brake control system test bed |
| CN113189894A (en) * | 2021-05-26 | 2021-07-30 | 北京航空航天大学 | Semi-physical real-time simulation system of electro-hydrostatic actuator |
| CN113433836A (en) * | 2021-06-01 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Semi-physical integrated verification platform of unmanned aerial vehicle |
| CN113435008A (en) * | 2021-05-27 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft electromechanical system joint simulation method |
| CN113467427A (en) * | 2021-07-14 | 2021-10-01 | 中国飞机强度研究所 | Metering method and metering device of structure test control system |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104123404B (en) * | 2014-04-23 | 2018-07-13 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of undercarriage modeling method |
| CN104123404A (en) * | 2014-04-23 | 2014-10-29 | 中国航空工业集团公司沈阳飞机设计研究所 | Undercarriage modeling method |
| CN105260555A (en) * | 2015-10-28 | 2016-01-20 | 苏州同元软控信息技术有限公司 | Modelica model-based fault injection system and method |
| CN105260555B (en) * | 2015-10-28 | 2018-11-02 | 苏州同元软控信息技术有限公司 | A kind of fault injection system and its method based on Modelica models |
| CN105278347A (en) * | 2015-11-17 | 2016-01-27 | 江西洪都航空工业集团有限责任公司 | Digital virtual airplane testing stand construction method |
| CN106055728A (en) * | 2016-04-19 | 2016-10-26 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Civil airplane flight control system mixing heterogeneous simulation platform |
| CN106707792A (en) * | 2016-11-18 | 2017-05-24 | 中航飞机起落架有限责任公司 | Multifunctional undercarriage integration test control device and method |
| CN106707792B (en) * | 2016-11-18 | 2019-07-19 | 中航飞机起落架有限责任公司 | A kind of comprehensive joint-trial control method of multi-functional undercarriage |
| CN106773788A (en) * | 2016-12-28 | 2017-05-31 | 中国航空工业集团公司西安飞机设计研究所 | A kind of undercarriage emulation platform |
| CN107274741A (en) * | 2017-07-10 | 2017-10-20 | 中国航空工业集团公司西安飞机设计研究所 | A kind of ground crew's virtual teaching system driven based on model aircraft |
| CN109345902A (en) * | 2018-12-07 | 2019-02-15 | 江西洪都航空工业集团有限责任公司 | A kind of flight simulator aircraft emulation system |
| CN109714281A (en) * | 2018-12-24 | 2019-05-03 | 中国航空工业集团公司西安飞机设计研究所 | Iron bird platform data interaction system |
| CN110979732A (en) * | 2019-12-12 | 2020-04-10 | 上海科梁信息工程股份有限公司 | Anti-skid brake control system test bed |
| CN113189894A (en) * | 2021-05-26 | 2021-07-30 | 北京航空航天大学 | Semi-physical real-time simulation system of electro-hydrostatic actuator |
| CN113435008A (en) * | 2021-05-27 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft electromechanical system joint simulation method |
| CN113433836A (en) * | 2021-06-01 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Semi-physical integrated verification platform of unmanned aerial vehicle |
| CN113433836B (en) * | 2021-06-01 | 2023-11-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Unmanned aerial vehicle semi-physical integration verification platform |
| CN113467427A (en) * | 2021-07-14 | 2021-10-01 | 中国飞机强度研究所 | Metering method and metering device of structure test control system |
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