CN105223831A - The quick configuration system of semi-physical simulation - Google Patents
The quick configuration system of semi-physical simulation Download PDFInfo
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Abstract
The invention provides the quick configuration system of a kind of semi-physical simulation, comprising: real-time emulation unit; Semi-physical object simulating unit; Direct fault location unit, for performing direct fault location; Tested item of hardware device and tested hardware simulation equipment, this direct fault location unit is switchably coupled to this tested item of hardware device or this tested hardware simulation equipment by the first switch; Signal condition unit, for generating the physical signalling that can gather for this measurand hardware unit and this measurand simulator, this signal condition unit is coupled to this direct fault location unit; And comprehensive monitoring platform, this comprehensive monitoring platform is switchably coupled to this semi-physical object simulating unit or this signal condition unit by second switch or is coupled to both simultaneously, and wherein this comprehensive monitoring platform controls the state of this first switch and this second switch based on the test model of semi-physical simulation.
Description
Technical field
The present invention relates to the control system experimental technique of aeromotor, particularly relate to a kind of quick configuration system of semi-physical simulation for control system test.
Background technology
Modern main commercial aviation engine all adopts FADEC (FullAuthorityDigitalElectronicsControl Full Authority Digital Electronic Control) system, namely in aircraft whole envelope, full powers limit completes the controlling functions of engine body and the task with aircraft collaborative work by electronic controller.
Engine control system, primarily of compositions such as electronic controller, engine monitoring device, fuel oil parts, activation part, FADEC alternator, sensor and cables, has the complex control system of high reliability and high security simultaneously.
The control system test of domestic and international aeromotor, adopts semi-physical system to carry out iteration tests to the robustness between control system single component and assembly, fault-tolerance, accordance, until meet relevant all requirements mostly.
The semi-physical simulation test system of perfect in shape and function significantly can reduce the workload of engines ground test run, high blank test, flight test etc., reduces the R&D cycle of engine complete machine significantly.
Semi-physical simulation test system unordered defect of ubiquity in test mission scheduling and chassis configuration of current aeromotor.The configuration of various experimental test sections object semi-physical simulation physics framework is isolated, lack conversion each other and associate, in the integrality of semi-physical simulation test system realization, inheritance, seriation, fault-tolerant and can all there is larger room for promotion in maintenance upgrade.
Especially, due to design conditions, application background (different engine type, as turbofan, whirlpool spray, whirlpool oar etc.) and testing requirements (functional test, performance test, failure tolerant test etc.) be not quite similar, this area also lacks the quick configuration system of a set of unified semi-physical simulation.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
According to an aspect of the present invention, provide the quick configuration system of a kind of semi-physical simulation, comprising: real-time emulation unit, for performing the real-time simulation of aeromotor; Semi-physical object simulating unit, for performing the semi-physical object simulating of aeromotor; Direct fault location unit, for performing direct fault location, this direct fault location unit is coupled to this semi-physical object simulating unit; Tested item of hardware device and tested hardware simulation equipment, this direct fault location unit is switchably coupled to this tested item of hardware device or this tested hardware simulation equipment by the first switch; Signal condition unit, for generating the physical signalling that can gather for this measurand hardware unit and this measurand simulator, this signal condition unit is coupled to this direct fault location unit; And comprehensive monitoring platform, this comprehensive monitoring platform is switchably coupled to this semi-physical object simulating unit or this signal condition unit by second switch or is coupled to both simultaneously, and this comprehensive monitoring platform can be coupled to this real-time emulation unit, this measurand hardware unit, this measurand simulator and this direct fault location unit communicatedly, wherein this comprehensive monitoring platform controls the state of this first switch and this second switch based on the test model of semi-physical simulation.
In one example, this system also comprises: management platform, configuration information is generated for the test model based on semi-physical simulation, wherein, the state that this comprehensive monitoring platform controls this first switch and this second switch based on the test model of semi-physical simulation specifically comprises: this comprehensive monitoring platform controls the state of this first switch and this second switch based on this configuration information being received from this management platform.
In one example, this system also comprises: debugging unit, and this debugging unit is coupled to this measurand hardware unit, this measurand simulator and this semi-physical object simulating unit, for providing debug signal to perform debugging and Real-Time Monitoring.
In one example, when the test model of this semi-physical simulation is system closed loop Validation Mode, the state that this comprehensive monitoring platform controls this first switch and this second switch is coupled to this semi-physical object simulating unit and this signal condition unit to make this comprehensive monitoring platform simultaneously, and this direct fault location unit is coupled to this measurand hardware unit.
In one example, this measurand hardware unit generates steering order according to the thermodynamic state physical signalling and topworks position physical signalling that inject fault as required, and this steering order performs direct fault location as required by this direct fault location unit, be fed back to this real-time emulation unit via this signal condition unit and this comprehensive monitoring platform again changes model state for it.
In one example, when the test model of this semi-physical simulation is analogue system closed loop Validation Mode, the state that this comprehensive monitoring platform controls this first switch and this second switch is coupled to this semi-physical object simulating unit and this signal condition unit to make this comprehensive monitoring platform simultaneously, and this direct fault location unit is coupled to this measurand simulator.
In one example, this measurand simulator generates steering order according to the thermodynamic state physical signalling and topworks position physical signalling that inject fault as required, and this steering order performs direct fault location as required by this direct fault location unit, be fed back to this real-time emulation unit via this signal condition unit and this comprehensive monitoring platform again changes model state for it.
In one example, the thermodynamic state parameters signal being received from this real-time emulation unit is forwarded to this signal condition unit to this comprehensive monitoring platform and dynamics state parameter signal is forwarded to this semi-physical object simulating unit, the conditioning of this signal condition unit executive signal is with this thermodynamic state physical signalling that can gather for this measurand hardware unit to the input of this direct fault location unit, and this semi-physical object simulating unit performs semi-physical object simulating to input this topworks's position physical signalling to this direct fault location unit, the fault of this direct fault location unit in this thermodynamic state physical signalling and this topworks's position physical signalling as required needed for injection test.
In one example, when the test model of this semi-physical simulation is for simulation software and hardware input signal open-loop test pattern or software and hardware closed loop Validation Mode, the state that this comprehensive monitoring platform controls this first switch and this second switch is coupled to this signal condition unit to make this comprehensive monitoring platform, and this direct fault location unit is coupled to this measurand hardware unit.
In one example, under this simulation software and hardware input signal open-loop test pattern, this measurand hardware unit gathers the physical signalling injecting fault as required from this direct fault location unit, and the signal collected is sent to this comprehensively monitoring unit and carries out comparison of coherence with the state parameter signal sent with this comprehensively monitoring unit.
In one example, under this software and hardware closed loop Validation Mode, this measurand hardware unit generates steering order according to the physical signalling injecting fault as required, and this steering order is fed back to this real-time emulation unit by this direct fault location unit, this signal condition unit and this comprehensive monitoring platform and changes model state for it.
In one example, the state parameter signal being received from this real-time emulation unit is forwarded to this signal condition unit by this comprehensive monitoring platform, the conditioning of this signal condition unit executive signal is can supply this physical signalling of this measurand hardware unit collection, the fault of this direct fault location unit in this physical signalling as required needed for injection test to the input of this direct fault location unit.
In one example, this state parameter signal comprises thermodynamic state parameters signal and dynamics state parameter signal, and this physical signalling comprises thermodynamic state physical signalling and dynamics state physical signalling.
In one example, when the test model of this semi-physical simulation is true software and hardware input signal open-loop test pattern, the state that this comprehensive monitoring platform controls this first switch and this second switch is coupled to this semi-physical object simulating unit to make this comprehensive monitoring platform, and this direct fault location unit is coupled to this measurand hardware unit.
In one example, this measurand hardware unit gathers the topworks's position physical signalling injecting fault as required from this direct fault location unit, and the signal collected is sent to this comprehensive monitoring platform and carries out comparison of coherence with the state parameter signal sent with this comprehensive monitoring platform.
In one example, the dynamics state parameter signal being received from this real-time emulation unit is forwarded to this semi-physical object simulating unit by this comprehensive monitoring platform, this semi-physical object simulating unit performs semi-physical object simulating to input this topworks's position physical signalling to this direct fault location unit, the fault of this direct fault location unit in this topworks's position physical signalling as required needed for injection test.
In one example, this measurand simulator is engine electronic control unit, and this measurand simulator is the simulator of the behavior of this engine electronic control unit of simulation.
In one example, this couples is realize in hard wired mode, and this to be coupled communicatedly be realize in the mode of EtherCat bus.
Accompanying drawing explanation
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 1 is the frame diagram of the quick configuration system of semi-physical simulation according to an aspect of the present invention;
Fig. 2 is the framework of the quick configuration system of the semi-physical simulation for system closed loop Validation Mode according to an aspect of the present invention;
Fig. 3 is the framework of the quick configuration system of the semi-physical simulation for analogue system closed loop Validation Mode according to an aspect of the present invention;
Fig. 4 is the framework for the quick configuration system of semi-physical simulation of simulating software and hardware input signal open-loop test pattern and software and hardware closed loop Validation Mode according to an aspect of the present invention; And
Fig. 5 is the framework of the quick configuration system of semi-physical simulation for true software and hardware input signal open-loop test pattern according to an aspect of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Note, the aspects described below in conjunction with the drawings and specific embodiments is only exemplary, and should not be understood to carry out any restriction to protection scope of the present invention.
Fig. 1 is the frame diagram of the quick configuration system 100 of semi-physical simulation according to an aspect of the present invention.As shown in Figure 1, the quick configuration system 100 of this semi-physical simulation can comprise real-time emulation unit 101 for the real-time simulation performing aeromotor.Real-time emulation unit 101 can be the system of operating software model, such as engine body model, engine fuel oil system model, model aircraft etc.The software model that real-time emulation unit 101 runs can receive instruction and simulation calculation is carried out in external environment condition input, changes model state thus, thus exports corresponding state parameter signal.
Except real-time emulation unit 101, the quick configuration system 100 of this semi-physical simulation also can comprise semi-physical object simulating unit 102 for the semi-physical object simulating performing aeromotor.Semi-physical object simulating unit 102 can perform semi-physical object simulating, the kinetic parameter of such as engine according to the model state parameter from real-time emulation unit 101.Such as example, the kinetic parameter of engine comprises engine high pressure rotor speed, engine rotational speed of lower pressure turbine rotor, engine luggine grade, air load command etc. suffered by engine high pressure compressor inlet water conservancy diversion blade.Semi-physical object simulating unit 102 is by relevant analog machine, the kinetic parameter associated drives environment of the simulated engine bodies such as the such as high-power servomotor of little inertia, vibration machine, Hydrauliload Simulator, to drive topworks's (such as actuation mechanism, fuel system) of engine, thus the sensor settling signal carried by these topworkies exports, such as output executing mechanism position signalling.
The quick configuration system 100 of this semi-physical simulation also can comprise direct fault location unit 105, to perform direct fault location function.The fault that can inject can comprise open circuit fault, open circuit fault, protocol error fault etc.Such as, inject the fault such as open circuit and short circuit by the switch (not shown) on the signal wire of the transmitting physical signal of direct fault location unit 105 inside, or inject protocol layer fault by the intelligent node (not shown) on the signal wire of the transmitting physical signal of direct fault location unit 105 inside.Direct fault location unit 105 can couple (such as adopting hardwire) to semi-physical object simulating unit 102.Direct fault location unit 105 can fault in from topworks's position signalling of semi-physical object simulating unit 102 needed for injection test.
The quick configuration system 100 of this semi-physical simulation also can comprise measurand hardware unit 107 and measurand simulator 108.Measurand hardware unit 107 can be the airborne engine electronic control unit of engine control system.In practice, engine electronic control unit can gather engine operating condition signal (such as thermodynamics signal, dynamic signal), ambient signal and aircraft input signal, and based on the steering logic of engine, the signal that synthetical collection arrives drives the drive singal of engine to produce.Measurand simulator 108 can be the simulator of the engine electronic control unit can simulating airborne engine control system, such as computing machine.Measurand simulator 108 can simulate the behavior of measurand hardware unit 107, such as, can perform the functions such as similar signals collecting, output and signal synthesis calculating.Direct fault location unit 105 switchably couples (such as adopting hardwire) to measurand hardware unit 107 or measurand simulator 108 by switch S 2.
The quick configuration system 100 of this semi-physical simulation also can comprise management platform 106 and comprehensively monitoring unit 103.Management platform 106 can complete the configuration feature of the quick configuration of test, such as, is configured the test model of the quick configuration system 100 of semi-physical simulation, generates configuration information and is supplied to comprehensively monitoring unit 103.Comprehensively monitoring unit 103 is responsible for carrying out monitoring and controlling to whole system, and such as, the collection of double physical test process-field data, audio frequency and video and display, process and storage etc., to complete the configuration of corresponding test model according to configuration information.
Comprehensively monitoring unit 103 switchably couples (such as by switch S 1, adopt hardwire) to semi-physical object simulating unit 102 and signal condition unit 104 or be coupled to both simultaneously, this depends on that comprehensively monitoring unit 103 controls according to configuration information.Signal condition unit 104 can executive signal conditioning functions to generate the physical signalling that can gather for measurand hardware unit 107 and measurand simulator 108.
Comprehensively monitoring unit 103 also can be coupled (such as communicatedly, adopt EtherCat bus) to real-time emulation unit 101, direct fault location unit 105, measurand hardware unit 107 and measurand simulator 108, to perform above-mentioned signals collecting, process, control etc.
Comprehensively monitoring unit 103 can gather the signal from real-time emulation unit 101, the state parameter that the aeromotor such as utilizing real-time model simulation calculation to obtain is run.Comprehensively monitoring unit 103 can according to test model, and such as basis is received from the configuration information gauge tap S1 of management platform 106 to be configured itself and the passage between signal condition unit 104 and semi-physical object simulating unit 102.Such as, the state parameter signal of collection can be all sent to signal condition unit 104 or all be sent to semi-physical object simulating unit 102 or a part of state parameter signal sends to signal condition unit 104, another part sends to semi-physical object simulating unit 102 by comprehensively monitoring unit 103.Comprehensive monitoring platform 103 also can according to test model, and such as basis is received from the configuration information gauge tap S2 of management platform 106, with config failure injection unit 105 and the passage between measurand hardware unit 107 and measurand simulator 108.Such as, the signal being filled with fault from direct fault location unit 105 is provided to measurand hardware unit 107 or is provided to measurand simulator 108.
The quick configuration system 100 of this semi-physical simulation also can comprise debugging apparatus 109, and the latter is coupled to measurand hardware unit 107, measurand simulator 108 and semi-physical object simulating unit 102.In the process of test, debugging apparatus 109 can provide debug signal to perform debugging and Real-Time Monitoring to these assemblies.
In practice, the quick configuration system 100 of this semi-physical simulation also can comprise support equipment, such as monitor 110, camera 111, video server 112, database server 113, file server 114, printer 115 etc., to carry out collection and the filing of the data such as collection, monitoring information of live video information.
The configuration of semi-physical simulation quick configuration system 100 under various test model will be described below.
Fig. 2 is the framework of the quick configuration system of the semi-physical simulation for system closed loop Validation Mode according to an aspect of the present invention.For the sake of simplicity and clear for the purpose of, some assemblies clearly do not illustrate in the drawings.
Management platform 206 generates and provides the configuration information about system closed loop Validation Mode to comprehensively monitoring unit 203.Comprehensively monitoring unit 203 according to the state of this configuration information gauge tap S1 and S2, to be configured comprehensively monitoring unit 203 and the passage between signal condition unit 204 and semi-physical object simulating unit 202 and direct fault location unit 205 and the passage between measurand hardware unit 207 and measurand simulator (not shown).Specifically, in this case, comprehensively monitoring unit 203 can be coupled to both signal condition unit 204 and semi-physical object simulating unit 202 simultaneously, and direct fault location unit 205 can be coupled to measurand hardware unit 207.
Under system closed loop Validation Mode, the state parameter signal that real-time emulation unit 201 produces can be transmitted to comprehensively monitoring unit 203, is forwarded to signal condition unit 204 and semi-physical object simulating unit 202 by the latter.In practice, from the state parameter signal of real-time emulation unit 201 by the digital signal of encoding, comprehensively monitoring unit 203 can perform decoding.In addition, comprehensively monitoring unit 203 also can perform suitable coding again, and the state parameter signal of the digital signal after coding is sent to signal condition unit 204 and semi-physical object simulating unit 202.
As mentioned above, comprehensively monitoring unit 203 is by the control to switch S1 state, comprehensively monitoring unit 203 and the passage between signal condition unit 204 and semi-physical object simulating unit 202 are configured to, comprehensively monitoring unit 203 is coupled to signal condition unit 204 and semi-physical object simulating unit 202 simultaneously.
In one example, state parameter signal can comprise thermodynamic state parameters signal and dynamics state parameter signal.Thermodynamic state parameters can be forwarded to signal condition unit 204 by comprehensive monitoring platform 203, and dynamics state parameter is forwarded to semi-physical object simulating unit 202.
Signal condition unit 204 can be decoded to the thermodynamic state parameters signal of the digital signal form received, and such as pass through the physical signalling that decoded signal condition becomes to gather for the input channel of measurand hardware unit 207 by the signal condition board in signal condition unit 204, i.e. thermodynamic state physical signalling, such as thermocouple voltages signal, thermal resistance signal, charge signal, current signal, voltage signal etc.The thermodynamic state physical signalling of generation can be inputed to direct fault location unit 205 by signal condition unit 204.
On the other hand, semi-physical object simulating unit 202 can use the dynamics state parameter signal received to perform semi-physical object simulating to obtain topworks's physical location physical signalling.Such as, dynamics state parameter signal has engine high pressure rotor speed.Semi-physical object simulating unit 202 can according to this high pressure rotor rotating speed digital signal, adopt servomotor revolution speed control system simulated high-pressure rotor, the topworks such as engine fuel oil system, actuation mechanism is driven by servomotor revolution speed control system, thus topworks's position signalling that can obtain from topworks's sensor, this signal is the physical signalling that can be gathered by measurand hardware unit 207, i.e. topworks position physical signalling.
Thermodynamic state physical signalling from signal condition unit 204 and the topworks's position physical signalling from semi-physical object simulating unit 202 are all input to direct fault location unit 205 to carry out direct fault location as required.Direct fault location unit 205 can be as required, such as according to test needs, such as fault in the physical signalling received, such as, switch by the physical signal transfer line of inside injects the fault such as open circuit and short circuit, or by the intelligent node input communication protocol layer fault in physical signal transfer line.Certainly, according to test needs, direct fault location unit 205 also can not inject any fault.Therefore, the direct fault location of execution as required here can represent and inject or do not inject fault and inject which kind of fault, and this can be controlled by comprehensively monitoring unit 202.
Physical signalling that is that be filled with fault or that do not inject fault can input to measurand hardware unit 207.Measurand hardware unit 207 can generate control signal according to this physical signalling, and this control signal is performed direct fault location as required by direct fault location unit 205, fed back to real-time emulation unit 201 for its change model state via signal condition unit 204 and comprehensively monitoring unit 203 again.In practice, measurand hardware unit 207 can gather physical signalling, and decodes, and the steering logic according to engine control carries out comprehensive diagnos and calculating, produces steering order.This steering order can be undertaken encoding and being converted into physical signalling by the hardware circuit in measurand hardware unit 207.The physical signalling of this steering order carries out direct fault location (or not injecting) through direct fault location unit 205, the steering order physical signalling being filled with fault or not injecting fault is nursed one's health via signal condition unit 204, such as undertaken gathering and changing, to obtain digital signal by the signal sampling channel of signal condition unit 204.The digital signal of steering order is forwarded to real-time emulation unit 201 by comprehensively monitoring unit 203.Real-time emulation unit 201 can perform simulation calculation according to this steering order, changes model state thus, thus the testing authentication of completion system closed loop task.
Fig. 3 is the framework of the quick configuration system of the semi-physical simulation for analogue system closed loop Validation Mode according to an aspect of the present invention.
Management platform 306 generates and provides the configuration information about analogue system closed loop Validation Mode to comprehensively monitoring unit 303.Comprehensively monitoring unit 303 according to the state of this configuration information gauge tap S1 and S2, to be configured comprehensively monitoring unit 303 and the passage between signal condition unit 304 and semi-physical object simulating unit 302 and direct fault location unit 305 and the passage between measurand hardware unit (not shown) and measurand simulator 308.Specifically, in this case, comprehensively monitoring unit 303 can be coupled to both signal condition unit 304 and semi-physical object simulating unit 302 simultaneously, and direct fault location unit 305 can be coupled to measurand simulator 308.
Under analogue system closed loop Validation Mode, the state parameter signal that real-time emulation unit 301 produces can be transmitted to comprehensively monitoring unit 303, is forwarded to signal condition unit 304 and semi-physical object simulating unit 302 by the latter.In practice, from the state parameter signal of real-time emulation unit 301 by the digital signal of encoding, comprehensively monitoring unit 303 can perform decoding.In addition, comprehensively monitoring unit 303 also can perform suitable coding again, and the state parameter signal of the digital signal after coding is sent to signal condition unit 304 and semi-physical object simulating unit 302.
As mentioned above, comprehensively monitoring unit 303 is by the control to switch S1 state, comprehensively monitoring unit 303 and the passage between signal condition unit 304 and semi-physical object simulating unit 302 are configured to, comprehensively monitoring unit 303 is coupled to signal condition unit 304 and semi-physical object simulating unit 302 simultaneously.
In one example, state parameter signal can comprise thermodynamic state parameters signal and dynamics state parameter signal.Thermodynamic state parameters can be forwarded to signal condition unit 304 by comprehensive monitoring platform 303, and dynamics state parameter is forwarded to semi-physical object simulating unit 302.
Signal condition unit 304 can be decoded to the thermodynamic state parameters signal of the digital signal form received, and such as pass through the physical signalling that decoded signal condition becomes to gather for the input channel of measurand hardware unit 307 by the signal condition board in signal condition unit 304, i.e. thermodynamic state physical signalling, such as thermocouple voltages signal, thermal resistance signal, charge signal, current signal, voltage signal etc.The thermodynamic state physical signalling of generation can be inputed to direct fault location unit 305 by signal condition unit 304.
On the other hand, semi-physical object simulating unit 302 can use the dynamics state parameter signal received to perform semi-physical object simulating to obtain topworks's physical location physical signalling.Such as, dynamics state parameter signal has engine high pressure rotor speed.Semi-physical object simulating unit 302 can according to this high pressure rotor rotating speed digital signal, adopt servomotor revolution speed control system simulated high-pressure rotor, the topworks such as engine fuel oil system, actuation mechanism is driven by servomotor revolution speed control system, thus topworks's position signalling that can obtain from topworks's sensor, this signal is the physical signalling that can be gathered by measurand hardware unit 307, i.e. topworks position physical signalling.
Thermodynamic state physical signalling from signal condition unit 304 and the topworks's position physical signalling from semi-physical object simulating unit 302 are all input to direct fault location unit 305 to carry out direct fault location as required.Direct fault location unit 305 can be as required, such as according to test needs, such as fault in the physical signalling received, such as, switch by the physical signal transfer line of inside injects the fault such as open circuit and short circuit, or by the intelligent node input communication protocol layer fault in physical signal transfer line.Certainly, according to test needs, direct fault location unit 305 also can not inject any fault.Therefore, the direct fault location of execution as required here can represent and inject or do not inject fault and inject which kind of fault, and this can be controlled by comprehensively monitoring unit 302.
Physical signalling that is that be filled with fault or that do not inject fault can input to measurand simulator 308.Measurand simulator 308 can generate control signal according to this physical signalling, and this control signal is performed direct fault location as required by direct fault location unit 305, fed back to real-time emulation unit 301 for its change model state via signal condition unit 304 and comprehensively monitoring unit 303 again.In practice, measurand simulator 308 can gather physical signalling, and decodes, and the steering logic according to engine control carries out comprehensive diagnos and calculating, produces steering order.This steering order can be undertaken encoding and being converted into physical signalling by measurand simulator 308.The physical signalling of this steering order carries out direct fault location (or not injecting) through direct fault location unit 305, the steering order physical signalling being filled with fault or not injecting fault is nursed one's health via signal condition unit 304, such as undertaken gathering and changing, to obtain digital signal by the signal sampling channel of signal condition unit 304.The digital signal of steering order is forwarded to real-time emulation unit 301 by comprehensively monitoring unit 303.Real-time emulation unit 301 can perform simulation calculation according to this steering order, changes model state thus, thus the testing authentication of completion system closed loop task.
Fig. 4 is the framework for the quick configuration system of semi-physical simulation of simulating software and hardware input signal open-loop test pattern and software and hardware closed loop Validation Mode according to an aspect of the present invention.
Under simulation software and hardware input signal open-loop test pattern, management platform 406 generates and provides the configuration information about simulation software and hardware input signal open-loop test pattern to comprehensively monitoring unit 403.Comprehensively monitoring unit 403 according to the state of this configuration information gauge tap S1 and S2, to be configured comprehensively monitoring unit 403 and the passage between signal condition unit 404 and semi-physical object simulating unit (not shown) and direct fault location unit 405 and the passage between measurand hardware unit 407 and measurand simulator (not shown).Specifically, in this case, comprehensively monitoring unit 403 can be coupled to signal condition unit 404, and direct fault location unit 405 can be coupled to measurand hardware unit 407.
The state parameter signal that real-time emulation unit 401 produces can be transmitted to comprehensively monitoring unit 403, is forwarded to signal condition unit 404 by the latter.In practice, from the state parameter signal of real-time emulation unit 401 by the digital signal of encoding, comprehensively monitoring unit 403 can perform decoding.In addition, comprehensively monitoring unit 403 also can perform suitable coding again, and the state parameter signal of the digital signal after coding is sent to signal condition unit 404.
As mentioned above, comprehensively monitoring unit 403 is by the control to switch S1 state, and comprehensively monitoring unit 403 and the passage between signal condition unit 404 and semi-physical object simulating unit are configured to, comprehensively monitoring unit 403 is coupled to signal condition unit 404.
In one example, state parameter signal can comprise thermodynamic state parameters signal and dynamics state parameter signal.Thermodynamic state parameters and dynamics state parameter can be forwarded to signal condition unit 404 by comprehensive monitoring platform 403.
Signal condition unit 404 can be decoded to the state parameter signal of the digital signal form received, and such as pass through the physical signalling that decoded signal condition becomes to gather for the input channel of measurand hardware unit 407 by the signal condition board in signal condition unit 404, such as comprise thermodynamic state physical signalling and dynamics state physical signalling, such as thermocouple voltages signal, thermal resistance signal, charge signal, current signal, voltage signal etc.The physical signalling of generation can be inputed to direct fault location unit 405 by signal condition unit 404.
Physical signalling from signal condition unit 404 is input to direct fault location unit 405 to carry out direct fault location as required.Direct fault location unit 405 can be as required, such as according to test needs, such as fault in the physical signalling received, such as, switch by the physical signal transfer line of inside injects the fault such as open circuit and short circuit, or by the intelligent node input communication protocol layer fault in physical signal transfer line.Certainly, according to test needs, direct fault location unit 405 also can not inject any fault.Therefore, the direct fault location of execution as required here can represent and inject or do not inject fault and inject which kind of fault, and this can be controlled by comprehensively monitoring unit 402.
Physical signalling that is that be filled with fault or that do not inject fault can be gathered by measurand hardware unit 407, and be transferred into comprehensively monitoring unit 403 to carry out comparison of coherence with the state parameter signal sent from this comprehensively monitoring unit 403, thus complete simulation software and hardware input signal open-loop test checking.In practice, the signal of collection is sent to comprehensively monitoring unit 403 by EtherCat bus by measurand hardware unit 407.
The operation of the operation under software and hardware closed loop Validation Mode and simulation software and hardware input signal open-loop test pattern is until it is all similar that direct fault location unit 405 sends to measurand hardware unit 407 physical signalling being filled with fault or not injecting fault.Difference is, under software and hardware closed loop Validation Mode, measurand hardware unit 407 can generate control signal according to this physical signalling, and this control signal is performed direct fault location as required by direct fault location unit 405, fed back to real-time emulation unit 401 for its change model state via signal condition unit 404 and comprehensively monitoring unit 403 again.In practice, measurand hardware unit 407 can gather physical signalling, and decodes, and the steering logic according to engine control carries out comprehensive diagnos and calculating, produces steering order.This steering order can be undertaken encoding and being converted into physical signalling by the hardware circuit in measurand hardware unit 407.The physical signalling of this steering order carries out direct fault location (or not injecting) through direct fault location unit 405, the steering order physical signalling being filled with fault or not injecting fault is nursed one's health via signal condition unit 404, such as undertaken gathering and changing, to obtain digital signal by the signal sampling channel of signal condition unit 404.The digital signal of steering order is forwarded to real-time emulation unit 401 by comprehensively monitoring unit 403.Real-time emulation unit 401 can perform simulation calculation according to this steering order, changes model state thus, thus the testing authentication of completion system closed loop task.
Fig. 5 is the framework of the quick configuration system of semi-physical simulation for true software and hardware input signal open-loop test pattern according to an aspect of the present invention.
Management platform 506 generates and provides the configuration information about true software and hardware input signal open-loop test pattern to comprehensively monitoring unit 503.Comprehensively monitoring unit 503 according to the state of this configuration information gauge tap S1 and S2, to be configured comprehensively monitoring unit 503 and the passage between signal condition unit (not shown) and semi-physical object simulating unit 502 and direct fault location unit 505 and the passage between measurand hardware unit 507 and measurand simulator (not shown).Specifically, in this case, comprehensively monitoring unit 503 can be coupled to semi-physical object simulating unit 502, and direct fault location unit 505 can be coupled to measurand hardware unit 507.
Under true software and hardware input signal open-loop test pattern, the state parameter signal that real-time emulation unit 501 produces can be transmitted to comprehensively monitoring unit 503, is forwarded to semi-physical object simulating unit 502 by the latter.In practice, from the state parameter signal of real-time emulation unit 501 by the digital signal of encoding, comprehensively monitoring unit 503 can perform decoding.In addition, comprehensively monitoring unit 503 also can perform suitable coding again, and the state parameter signal of the digital signal after coding is sent to semi-physical object simulating unit 502.
As mentioned above, comprehensively monitoring unit 503 is by the control to switch S1 state, and comprehensively monitoring unit 503 and the passage between signal condition unit and semi-physical object simulating unit 502 are configured to, comprehensively monitoring unit 503 is coupled to semi-physical object simulating unit 502.
In one example, state parameter signal can comprise dynamics state parameter signal.Dynamics state parameter can be forwarded to semi-physical object simulating unit 502 by comprehensive monitoring platform 503.Semi-physical object simulating unit 502 can use the dynamics state parameter signal received to perform semi-physical object simulating to obtain topworks's physical location physical signalling.Such as, dynamics state parameter signal has engine high pressure rotor speed.Semi-physical object simulating unit 502 can according to this high pressure rotor rotating speed digital signal, adopt servomotor revolution speed control system simulated high-pressure rotor, the topworks such as engine fuel oil system, actuation mechanism is driven by servomotor revolution speed control system, thus topworks's position signalling that can obtain from topworks's sensor, this signal is the physical signalling that can be gathered by measurand hardware unit 507, i.e. topworks position physical signalling.
Topworks's position physical signalling from semi-physical object simulating unit 502 is input to direct fault location unit 505 to carry out direct fault location as required.Direct fault location unit 505 can be as required, such as according to test needs, such as fault in the physical signalling received, such as, switch by the physical signal transfer line of inside injects the fault such as open circuit and short circuit, or by the intelligent node input communication protocol layer fault in physical signal transfer line.Certainly, according to test needs, direct fault location unit 505 also can not inject any fault.Therefore, the direct fault location of execution as required here can represent and inject or do not inject fault and inject which kind of fault, and this can be controlled by comprehensively monitoring unit 502.
Physical signalling that is that be filled with fault or that do not inject fault can be gathered by measurand hardware unit 507, and be transferred into comprehensively monitoring unit 503 to carry out comparison of coherence with the state parameter signal sent from this comprehensively monitoring unit 503, thus complete true software and hardware input signal open-loop test checking.In practice, the signal of collection is sent to comprehensively monitoring unit 503 by EtherCat bus by measurand hardware unit 507.
The effect of outbalance is played in mode dispatching, task switch, fast configuration, localization of fault, configuration management that the quick configuration system of semi-physical simulation according to the present invention is tested for control system semi physical, and can ensure engine semi-physical simulation can clear process, inherit and unanimously, in order and all sidedly carry out.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (18)
1. the quick configuration system of semi-physical simulation, comprising:
Real-time emulation unit, for performing the real-time simulation of aeromotor;
Semi-physical object simulating unit, for performing the semi-physical object simulating of aeromotor;
Direct fault location unit, for performing direct fault location, described direct fault location unit is coupled to described semi-physical object simulating unit;
Tested item of hardware device and tested hardware simulation equipment, described direct fault location unit is switchably coupled to described tested item of hardware device or described tested hardware simulation equipment by the first switch;
Signal condition unit, for generating the physical signalling that can gather for described measurand hardware unit and described measurand simulator, described signal condition unit is coupled to described direct fault location unit; And
Comprehensive monitoring platform, described comprehensive monitoring platform is switchably coupled to described semi-physical object simulating unit or described signal condition unit by second switch or is coupled to both simultaneously, and described comprehensive monitoring platform can be coupled to described real-time emulation unit, described measurand hardware unit, described measurand simulator and described direct fault location unit communicatedly
Test model control described first switch of wherein said comprehensive monitoring platform based on semi-physical simulation and the state of described second switch.
2. the system as claimed in claim 1, is characterized in that, also comprises:
Management platform, generates configuration information for the test model based on semi-physical simulation, and wherein, described comprehensive monitoring platform specifically comprises based on test model described first switch of control of semi-physical simulation and the state of described second switch:
Described comprehensive monitoring platform controls the state of described first switch and described second switch based on the described configuration information being received from described management platform.
3. the system as claimed in claim 1, is characterized in that, also comprises:
Debugging unit, described debugging unit is coupled to described measurand hardware unit, described measurand simulator and described semi-physical object simulating unit, for providing debug signal to perform debugging and Real-Time Monitoring.
4. the system as claimed in claim 1, it is characterized in that, when the test model of described semi-physical simulation is system closed loop Validation Mode, the state that described comprehensive monitoring platform controls described first switch and described second switch is coupled to described semi-physical object simulating unit and described signal condition unit to make described comprehensive monitoring platform simultaneously, and described direct fault location unit is coupled to described measurand hardware unit.
5. system as claimed in claim 4, it is characterized in that, described measurand hardware unit generates steering order according to the thermodynamic state physical signalling and topworks position physical signalling that inject fault as required, and described steering order performs direct fault location as required by described direct fault location unit, be fed back to described real-time emulation unit via described signal condition unit and described comprehensive monitoring platform again changes model state for it.
6. the system as claimed in claim 1, it is characterized in that, when the test model of described semi-physical simulation is analogue system closed loop Validation Mode, the state that described comprehensive monitoring platform controls described first switch and described second switch is coupled to described semi-physical object simulating unit and described signal condition unit to make described comprehensive monitoring platform simultaneously, and described direct fault location unit is coupled to described measurand simulator.
7. system as claimed in claim 6, it is characterized in that, described measurand simulator generates steering order according to the thermodynamic state physical signalling and topworks position physical signalling that inject fault as required, and described steering order performs direct fault location as required by described direct fault location unit, be fed back to described real-time emulation unit via described signal condition unit and described comprehensive monitoring platform again changes model state for it.
8. the system as described in claim 5 or 7, it is characterized in that, the thermodynamic state parameters signal being received from described real-time emulation unit is forwarded to described signal condition unit to described comprehensive monitoring platform and dynamics state parameter signal is forwarded to described semi-physical object simulating unit, described signal condition unit executive signal conditioning is with the described thermodynamic state physical signalling that can gather for described measurand hardware unit to described direct fault location unit input, and described semi-physical object simulating unit performs semi-physical object simulating to input described topworks position physical signalling to described direct fault location unit, the fault of described direct fault location unit in described thermodynamic state physical signalling and described topworks position physical signalling as required needed for injection test.
9. the system as claimed in claim 1, it is characterized in that, when the test model of described semi-physical simulation is for simulation software and hardware input signal open-loop test pattern or software and hardware closed loop Validation Mode, the state that described comprehensive monitoring platform controls described first switch and described second switch is coupled to described signal condition unit to make described comprehensive monitoring platform, and described direct fault location unit is coupled to described measurand hardware unit.
10. system as claimed in claim 9, it is characterized in that, under described simulation software and hardware input signal open-loop test pattern, described measurand hardware unit gathers the physical signalling injecting fault as required from described direct fault location unit, and the signal collected is sent to described comprehensively monitoring unit and carries out comparison of coherence with the state parameter signal sent with described comprehensively monitoring unit.
11. systems as claimed in claim 9, it is characterized in that, under described software and hardware closed loop Validation Mode, described measurand hardware unit generates steering order according to the physical signalling injecting fault as required, and described steering order is fed back to described real-time emulation unit by described direct fault location unit, described signal condition unit and described comprehensive monitoring platform and changes model state for it.
12. systems as described in claim 10 or 11, it is characterized in that, the state parameter signal being received from described real-time emulation unit is forwarded to described signal condition unit by described comprehensive monitoring platform, described signal condition unit executive signal conditioning is can supply the described physical signalling of described measurand hardware unit collection, the fault of described direct fault location unit in described physical signalling as required needed for injection test to described direct fault location unit input.
13. systems as claimed in claim 12, it is characterized in that, described state parameter signal comprises thermodynamic state parameters signal and dynamics state parameter signal, and described physical signalling comprises thermodynamic state physical signalling and dynamics state physical signalling.
14. the system as claimed in claim 1, it is characterized in that, when the test model of described semi-physical simulation is true software and hardware input signal open-loop test pattern, the state that described comprehensive monitoring platform controls described first switch and described second switch is coupled to described semi-physical object simulating unit to make described comprehensive monitoring platform, and described direct fault location unit is coupled to described measurand hardware unit.
15. systems as claimed in claim 14, it is characterized in that, described measurand hardware unit gathers the topworks's position physical signalling injecting fault as required from described direct fault location unit, and the signal collected is sent to described comprehensive monitoring platform and carries out comparison of coherence with the state parameter signal sent with described comprehensive monitoring platform.
16. systems as claimed in claim 15, it is characterized in that, the dynamics state parameter signal being received from described real-time emulation unit is forwarded to described semi-physical object simulating unit by described comprehensive monitoring platform, described semi-physical object simulating unit performs semi-physical object simulating to input described topworks position physical signalling to described direct fault location unit, the fault of described direct fault location unit in described topworks position physical signalling as required needed for injection test.
17. the system as claimed in claim 1, is characterized in that, described measurand simulator is engine electronic control unit, and described measurand simulator is the simulator of the behavior of simulating described engine electronic control unit.
18. the system as claimed in claim 1, is characterized in that, described in couple be realize in hard wired mode, and described coupling communicatedly realizes in the mode of EtherCat bus.
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