CN103490779B - Simulator for permanent magnet alternating-current generator - Google Patents
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- CN103490779B CN103490779B CN201210193031.4A CN201210193031A CN103490779B CN 103490779 B CN103490779 B CN 103490779B CN 201210193031 A CN201210193031 A CN 201210193031A CN 103490779 B CN103490779 B CN 103490779B
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Abstract
The present invention relates to a kind of simulator for permanent magnet alternating-current generator, it is used for aero-engine hardware at loop-around test, this simulator includes the magneto alternator prototype module with magneto alternator model and fault model, and both models are after the first input signal is processed by Real time mathematical model and this module and export the first output signal；Magneto alternator controller module, it as its input signal and exports the first control signal using described first output signal and the second input signal after treatment；And magneto alternator executor module, it exports corresponding second output signal according to described first control signal, and output simultaneously is for the feedback signal of described magneto alternator controller module closed loop control.Wherein, the output signal of the magneto alternator that the second described output signal is simulated by described simulator for permanent magnet alternating-current generator.
Description
Technical field
The present invention relates to a kind of simulator for permanent magnet alternating-current generator, particularly relate to a kind of for navigating
The permanent magnet AC of empty electromotor Full Authority Digital electronically controlled Hardware-in-the-loop simu-lation test is sent out
Motor simulation device.
Background technology
Modern aeroengine Full Authority Digital Electronic Control (Full Authority Digital
Engine Control:FADEC) have been achieved with electricity tune, i.e. complete to send out by electronic controller
The control function of motivation body and the task with aircraft collaborative work.In order to meet aero-engine
Seaworthiness demand in for the power reguirements of electronic controller, the power supply of electronic controller to have superfluous
Remaining, its redundancy mostlys come from two aspects: one is the 28V direct current of voltage regulation that aircraft provides；
The small-power alternating current generator that another one is mounted on electromotor and is driven by high-pressure spool
The alternating current provided.The alternating current of the latter needs (to be handed over by AC/DC inside electronic controller
Stream/direct current) converter technique changes into 28V direct current of voltage regulation.The stability pair that AC/DC powers
In ensureing that full authority digital electronic control system safety is significant, the most complete
AC/DC module testing is the important ring of aeroengine electronic controller software and hardware integration testing
Joint.
The function of AC/DC module and the test of aspect of performance generally have two ways: Yi Zhongshi
It is AC/DC module for power supply by magneto alternator, turns by adjusting electromotor output shaft
The power supply situation of AC/DC module under the speed simulation various duty of aero-engine；Other one
Plant is to be exported by programmable current source simulation magneto alternator.Above two method is in reality
Test process is respectively arranged with pluses and minuses.Using magneto alternator is that AC/DC powers, and can survey
The power supply state of AC/DC module under any possible working speed of examination magneto alternator.But
The method need to be equipped with the dragging platform as shown in Figure 1 of complete set, including motor, motor
Driver, gear-box and corresponding cooling and lubricating utensil.Drag platform electric rotor and have the most coaxial
Error, and motor maximum functional rotating speed is at more than 16000rpm, forms high frequency noise sources,
Experimental situation is caused bigger vibrations and noise jamming, limits the installation model of test equipment
Enclose；Additionally, the lubricating fluid dragging platform uses lubricating oil, there is inflammable risk, safety is relatively
Low；And motor can produce tracking error when having rotary inertia, follow the tracks of input speed, enters
And cause the error of magneto alternator output voltage and frequency, affect experimental precision；Furthermore,
Between electromotor phase fault, winding, short circuit experiment can produce bigger short circuit current, limiting case
Magneto alternator winding is burnt in lower meeting, causes higher experimental cost and electromotor turn-to-turn short
Road cannot realize dynamic analog, and then cannot realize comprehensively testing of electronic controller, and impact is suitable
Boat authorization.Sum it up, this test mode relies on the cooperating of electromotor, but generate electricity
It is longer that machine there is also the R&D cycle as electromotor accessory kit, and technical conditions repeatedly etc. are asked
Topic.Once occur paying delaying, then can directly affect the test assignment of power module, Jin Erying
Ring the lead time of controller.
And use programmable current source relatively low as simulator for permanent magnet alternating-current generator cost；And,
Due to programmable current source mechanical moving component, therefore there is not noise jamming problem.But, should
Method has the drawback that in the application and lacks short circuit and tripper, it is impossible to carry out permanent magnetism friendship
AC/DC module verification under stream generator failure state；Additionally, due to existing programmable current
The device in source limits, and limiting frequency is relatively low, it is impossible to cover all of magneto alternator work
Frequency range.
Therefore, on the basis of existing technology, the function of AC/DC module and aspect of performance
Test still has the space of raising further, the most how to reach safe and low by technological innovation
This locality is become to carry out the test of AC/DC module.
Summary of the invention
In view of this, according to above-mentioned to background technology and the understanding of the technical problem of existence,
It is desirable to provide a kind of cost is relatively low, and the function of AC/DC module can be met comprehensively
With the aero-engine hardware of performance test at loop magneto alternator (Permanent
Magnet Alternator:PMA) simulator.
The present invention proposes a kind of simulator for permanent magnet alternating-current generator, and it is used for aero-engine
Hardware is at loop-around test, and described simulator for permanent magnet alternating-current generator includes magneto alternator mould
Type machine module, it includes that magneto alternator model and fault model, described permanent magnet AC are sent out
Motor model and described fault model are Real time mathematical model, described magneto alternator mould
Type machine module exports the first output signal after the first input signal being processed；Magneto alternator
Controller module, it is using described first output signal and the second input signal as its input signal
And export the first control signal after treatment；And magneto alternator executor module, its
Export corresponding second output signal according to described first control signal, and output simultaneously is for institute
State the feedback signal of magneto alternator controller module closed loop control, wherein, described first
Input signal is by defeated with the engine mockup that described simulator for permanent magnet alternating-current generator is connected
The N2 tach signal gone out and fault mode signal, described second input signal is described feedback
Signal, the second described output signal is simulated forever by described simulator for permanent magnet alternating-current generator
The output signal of magnetic alternating current generator.
In one embodiment, described magneto alternator prototype module is imitative by simulation
True software realizes.With this, this prototype module can pass through development environment Simulink
(simulation software of Mathworks company) produces the most virtually, and can pass through
This Software Create also runs the real-time code being applied to test.
In one embodiment, described magneto alternator prototype module can accept ginseng
Number arranges and adjusts.With this, it is possible in test process, manually regulate according to testing requirement
Relevant parameter, reaches the purpose purposively carrying out testing.
In one embodiment, described magneto alternator executor module includes that power supply fills
Putting, it for exporting unidirectional current after blood pressure lowering, filtering and rectification by 220V alternating current；Three-phase
Inverter, it for the DC inverter exported by described supply unit is and permanent magnetism to be simulated
The alternating current that alternator frequency is consistent, the output voltage of described three-phase inverter is less than treating mould
The output voltage of the magneto alternator intended；Three-phase voltage increasing transformator and impedance-matching device,
It is for being promoted to send out with permanent magnet AC to be simulated by the output voltage of described three-phase inverter
The output voltage of motor is consistent and is filtered, and produces and permanent magnet AC to be simulated generating simultaneously
The output consistent output impedance of impedance of machine；Measure voltage & current sensor, it is used for measuring institute
State the output voltage of three-phase voltage increasing transformator and electric current and as described feedback signal back
To described magneto alternator controller module；And direct fault location relay, it is by solid
State relay realizes open circuit and the short trouble of magneto alternator to be simulated.
In one embodiment, described magneto alternator controller module includes sensor
Acquisition Circuit, it is for receiving the output signal of described measure voltage & current sensor；Inverter
Drive circuit, it is used for driving described three-phase inverter；And telecommunication circuit, it is used for transmitting
Described first control signal.With this, the feedback signal needed for control module can be collected and pass
Transport to control module.
In one embodiment, described three-phase inverter uses MOSFET (Metallic Oxide
Semiconductor Field Effect Transistor: metal oxide semiconductor field effect tube)
The output of inversion waveform is realized as switch element and based on space vector pulse width modulation principle.
In one embodiment, described three-phase voltage increasing transformator and impedance-matching device include merit
Rate inductance and power resistor are also series in current loop.
In one embodiment, described power inductance is Wound-rotor type magnetic shield power inductance, and
Described power resistor is metal film noninductive resistor.With this, it is possible to conveniently realize those power
The replacing of device.
In one embodiment, described direct fault location relay be series in current loop and by
Described magneto alternator controller module controls the switch shape of described direct fault location relay
State.
Aero-engine hardware all uses electronics unit in loop simulator for permanent magnet alternating-current generator
Part realizes magneto alternator simulation, mechanical noise, environmental friendliness, is applicable to ring
Border requires in higher experimental situation；Meanwhile, system structure is simple, mechanical abrasion, the life-span
Longer and reliability is higher；System, without cooling and lubricating component, improves maintainability.
Electrical system time constant is less than mechanical system time constant, and simulator is handed over by permanent magnetism
Stream generator model calculates output electric current and voltage, through inversion, boosting, impedance matching, passes through
Sensor measurement obtains actual output voltage, electric current, compares both differences and is sent to ratio
Integration (Proportional Integration:PI) controller, constitutes closed loop system.Therefore this is
System response speed and dynamic accuracy are much larger than dragging platform.
By magneto alternator fault model, can realize dragging equipments on stage and damage risk
Higher short circuit and open circuit fault injection experiments, reduce experimental cost.
Simulator for permanent magnet alternating-current generator uses programme-control completely, it is easy to accomplish test is automatically
Change, improve test system testability；Additionally, simulator is advantageously integrated in more massive
On emulation platform, such as, work in coordination with seaworthiness experiment with aircraft power supply simulator.
Sum it up, aero-engine hardware of the present invention generates electricity at loop permanent magnet AC
It is all normal and improper that machine simulator can cover aero-engine magneto alternator
Duty, simulates the every input state of AC/DC module, it is achieved aero-engine
The electric current of magneto alternator output under the conditions of all possible input speeds and the mould of voltage
Intend, there is cable and winding failure injectability simultaneously, and with low cost, low noise,
The advantages such as high response speed.
The above characteristic of the present invention and other characteristics are by detailed description of the invention part hereinafter
It is explicitly described.
Accompanying drawing explanation
The following detailed description to non-limiting example is read by referring to accompanying drawing,
The other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 shows the schematic diagram of AC/DC module test device in prior art；
Fig. 2 shows the AC/DC with simulator for permanent magnet alternating-current generator of the present invention
The schematic diagram of one embodiment of module test device；And
Fig. 3 shows the detail of construction of the embodiment shown in Fig. 2.
In the drawings, run through different diagrams, same or similar reference represent identical or
Similar module (device).
Detailed description of the invention
Fig. 1 shows the schematic diagram of AC/DC module test device in prior art.Wherein,
Drag platform 120 and include motor 122, motor driver 121, gear-box 123 and corresponding
Cooling and lubricating utensil 124 and 125, and magneto alternator winding 126 and 127.
Its simulation can produce bigger short circuit current during short circuit experiment between electromotor phase fault, winding,
Magneto alternator winding can be burnt under limiting case, cause higher experimental cost and generating
Machine turn-to-turn short circuit cannot realize dynamic analog, and then cannot realize comprehensive survey of electronic controller
Examination；Additionally, the high-speed rotary change of team forms high frequency noise sources during electric motor operation, experimental situation is made
Become bigger vibrations and noise jamming, limit the fitting limit of test equipment.For efficient solution
Certainly the problems referred to above, the present invention proposes technical scheme as shown in Figure 2, proposes with the present invention
Dragging platform 120 in simulator for permanent magnet alternating-current generator alternate figures 1, and other two parts, i.e.
Engine mockup 110 and AC/DC module 130 is all not changed in.
Fig. 2 shows the AC/DC with simulator for permanent magnet alternating-current generator of the present invention
The schematic diagram of one embodiment of module test device.The aero-engine permanent magnetism that the present invention proposes
Alternating current generator simulator 220, it receives the N2 tach signal of engine mockup 110 output
With fault mode signal, according to electromotor real-time model result of calculation, by power component and therefore
Barrier injects relay, and simulation magneto alternator is normal and malfunction exports, thus realizes
Comprehensive test to AC/DC module.
Specifically, above-mentioned aero-engine simulator for permanent magnet alternating-current generator 220 is by following several
Part composition:
1) prototype 221, it runs magneto alternator Real time mathematical model, to start
Machine model 110 exports N2 rotating speed, fault mode and sensor 226 (a), 226 (b) and 226 (c)
The load signal of feedback EEC module 230 is input, is computed obtaining permanent magnet AC to be simulated
Electromotor electric current, voltage and frequency values normally and under abnormality, inputs as control instruction
To simulator for permanent magnet alternating-current generator controller 223；Simulink model supported by this prototype,
And can the RTW (Real-time Workshop:Mathworks company software) of implementation model
Code building, compile, link, download and run.
2) blood pressure lowering, filtering and fairing 222 (a), 222 (b), it is by the exchange city of input
Electricity generates low-voltage DC after step-down rectifier and filtering, powers for three-phase inverter.
3) simulator for permanent magnet alternating-current generator controller 223, it realizes magneto alternator
Simulator output controls, feedback signal collection.Output control part includes two-way three-phase inverter
Control and direct fault location Control；Feedback signal collection includes impedance matching network
(S25 (a), S25 (b)) exports electric current and voltage measurement and collection.
4) three-phase inverter 224 (a), 224 (b), three-phase inverter is by blood pressure lowering, filtering and whole
The unidirectional current that stream device 222 (a), 222 (b) export is converted to alternating current.Above-mentioned alternating current exports
Frequency is consistent with magneto alternator frequency to be simulated, and output voltage is handed over less than permanent magnetism to be simulated
Stream generator voltage.
5) three-phase voltage increasing transformator/impedance matching network 225 (a), 225 (b), three-phase voltage increasing becomes
Depressor improves inverter output voltage, realizes inverter output filtering；Impedance matching network is can
Resistance and the inductance changed are in series, and are used for mating output impedance, send out with true permanent magnet AC
Motor is consistent.
6) electric current and voltage sensor 226 (a), 226 (b), 226 (c), it measures three phase transformations
The phase current of depressor output, phase voltage, it is provided that AC/DC module load condition feeds back.
7) direct fault location relay 227 (a), 227 (b), pass through solid-state relay, it is achieved forever
Magnetic alternating current generator open circuit, short trouble.
Aero-engine hardware, in loop simulator for permanent magnet alternating-current generator 220, passes through model
Simulation magneto alternator is under all thrust ratings of electromotor, under excess revolutions state, certainly die
Under barrier (short circuit between phase fault, turn-to-turn short circuit, winding) state, electric current, voltage and frequency are defeated
Go out；By magneto alternator analog controller 223, three-phase inverter 224 (a), 224 (b),
Booster transformer 225 (a), 225 (b) realize power output；The string constituted by inductance and resistance
Connection real-time performance output impedance matching, makes simulator output impedance and magneto alternator winding
Impedance is consistent；Output voltage and electric current is measured by sensor 226 (a), 226 (b), 226 (c),
Feed back to simulator for permanent magnet alternating-current generator controller 223 compares with the model calculation
Relatively, and eliminate static difference by PI algorithm, make value of feedback calculate output valve with model consistent, structure
Become closed loop system, it is achieved aero-engine magneto alternator analog functuion.
Fig. 3 shows the detail of construction of the embodiment shown in Fig. 2.More specifically, Fig. 2 institute
The modules shown can be realized by following virtual module or electronic devices and components.
Wherein, magneto alternator prototype 321, its major function has: permanent magnet AC
Electromotor Real time mathematical model calculates, magneto alternator fault mode stores, electromotor mould
Type machine command signal reception, feedback signal reception, control instruction information send.System hardware group
One-tenth aspect: preferably TI TMS320F28335DSP (Digital Signal Processor: numeral
Signal processor) as master chip, resolve magneto alternator mathematical model；Preferably ether
Net physical layer and protocol layer chip, receive engine mockup machine command signal；Preferably spi bus
Physical layer is sent as current/voltage feedback signal reception and control instruction；Preferably Flash in sheet
Nonvolatile storage as fault mode storage.And blood pressure lowering, filtering and fairing 323 (a),
323 (b), its function is to provide constant low pressure DC source for inversion three-phase inverter, as weight
The control parts wanted, simulator for permanent magnet alternating-current generator controller 322, its be responsible for bus driver,
Performer drive, feedback signal collection, this controller by mosfet driver 322 (a),
322 (b), FPGA (322 (d)) (Field Programmable Gate Array: user-programmable
Gate array) and MCU (S322 (c)) (Microcontroller Unit: micro controller unit) group
Become.MCU preferred STM32F205 chip, built-in analog to digital conversion circuit, gather feedback current
And feedback voltage signal；The external power driving circuit of MCU, controls direct fault location relay 327 (a)
Switch with 327 (b), it is achieved short circuit and open circuit fault inject；MCU is responsible for bus communication, connects
Receive magneto alternator prototype control instruction, and feedback load status information.FPGA connects
Receive the frequency from MCU and information of voltage, and be converted into SVPMW (Space Vector
Pulse Width Modulation: space vector pulse width modulation) waveform, control MOSFET
Driver realizes the control of three-phase inverter.
Additionally, three-phase inverter 324 (a), 324 (b) can use six MOSFET chips
As power drive chip, realize inversion function by controlling each chip switch order.Rise buckling
Relatively low inverter output voltage is boosted to permanent magnet AC to be simulated by depressor 325 (a), 325 (b)
Electromotor actual output voltage；Booster transformer coil is equivalent to inductance, can filter inverter defeated
Go out the higher harmonic components in voltage；Transformator has isolation features, can simulate permanent magnet AC and send out
Motor winding isolation characteristic.Impedance matching network 326 (a), every output mutually of 326 (b) are all connected
Resistance and inductance, be often in series resistance and transformator phase resistance value sum and permanent magnet AC to be simulated
Electromotor is consistent, and series inductance and transformator every phase inductance sum generate electricity with permanent magnet AC to be simulated
The every phase inductance of machine is consistent.Above-mentioned resistance constitutes impedance matching network with inductance, hands over true permanent magnetism
Stream electromotor output impedance is consistent.And current detecting 328 (a), 328 (b), 328 (c) circuit pass through
Isolating difference amplifying circuit collection and amplify resistance both end voltage difference realize output electric current detection.
Meanwhile, voltage detecting 329 (a), 329 (b), 329 (c) circuit are measured mutually the most defeated by divider resistance
Go out voltage, through isolating and realize after amplification the detection of output voltage.Finally, direct fault location relay
Device 327 (a), 327 (b) pass through solid-state relay, it is achieved magneto alternator open circuit, short circuit
Fault simulation.
Those skilled in the art will be understood that above-described embodiment is all illustrative and not restrictive
's.The different technologies feature occurred in different embodiments can be combined, useful to obtain
Effect.Those skilled in the art research accompanying drawing, specification and claims on the basis of,
Will be understood that and realize other embodiments changed of disclosed embodiment.At claims
In, term " includes " being not precluded from other devices or step；" one " is not excluded for multiple；
Term " first ", " second " are used for indicating title not for representing any specific order.
Any reference in claim is all understood not to limiting of its scope.Some
Technical characteristic occurs in that be not meant in different dependent claims can not be by these technology
Feature is combined obtaining beneficial effect.This patent covers on literal or under the doctrine of equivalents
Fall into all devices and the product of scope of the following claims.
Claims (9)
1. a simulator for permanent magnet alternating-current generator, it is surveyed in loop for aero-engine hardware
Examination, described simulator for permanent magnet alternating-current generator includes:
Magneto alternator prototype module, it includes magneto alternator model and fault
Model, described magneto alternator model and described fault model be Real time mathematical model,
It is defeated that described magneto alternator prototype module exports first after the first input signal being processed
Go out signal；
Magneto alternator controller module, it is with described first output signal and the second input
Signal is as its input signal and exports the first control signal after treatment；And
Magneto alternator executor module, it is corresponding according to described first control signal output
The second output signal, and output is closed for described magneto alternator controller module simultaneously
The feedback signal that ring controls；
Wherein, described first input signal is for be connected with described simulator for permanent magnet alternating-current generator
The N2 tach signal that exported of engine mockup and fault mode signal, described second input
Signal is described feedback signal, and the second described output signal is described magneto alternator
The output signal of the magneto alternator that simulator is simulated.
Simulator for permanent magnet alternating-current generator the most according to claim 1, it is characterised in that
Described magneto alternator prototype module is realized by simulation softwares.
Simulator for permanent magnet alternating-current generator the most according to claim 1, it is characterised in that
Described magneto alternator prototype module can accept parameter and arrange and adjust.
Simulator for permanent magnet alternating-current generator the most according to any one of claim 1 to 3,
It is characterized in that, described magneto alternator executor module includes:
Supply unit, it is straight for being exported after blood pressure lowering, filtering and rectification by 220V alternating current
Stream electricity；
Three-phase inverter, it for the DC inverter exported by described supply unit is and treats mould
The consistent alternating current of magneto alternator frequency intended, the output voltage of described three-phase inverter
Output voltage less than magneto alternator to be simulated；
Three-phase voltage increasing transformator and impedance-matching device, its defeated for by described three-phase inverter
Go out voltage increase to the most consistent with the output voltage of magneto alternator to be simulated and filtered
Ripple, produces the output resistance consistent with the output impedance of magneto alternator to be simulated simultaneously
Anti-；
Measure voltage & current sensor, it is for measuring the output electricity of described three-phase voltage increasing transformator
Pressure controls with electric current and as described feedback signal back to described magneto alternator
Device module；And
Direct fault location relay, it realizes permanent magnet AC to be simulated by solid-state relay and generates electricity
The open circuit of machine and short trouble.
Simulator for permanent magnet alternating-current generator the most according to claim 4, it is characterised in that
Described magneto alternator controller module includes:
Sensor acquisition circuit, it is for receiving the output letter of described measure voltage & current sensor
Number；
Inverter driving circuit, it is used for driving described three-phase inverter；And
Telecommunication circuit, it is used for transmitting described first control signal.
Simulator for permanent magnet alternating-current generator the most according to claim 4, it is characterised in that
Described three-phase inverter uses MOSFET as switch element and based on space vector pulse width tune
Principle processed realizes the output of inversion waveform.
Simulator for permanent magnet alternating-current generator the most according to claim 4, it is characterised in that
Described three-phase voltage increasing transformator and impedance-matching device include power inductance and power resistor and incite somebody to action
It is series in current loop.
Simulator for permanent magnet alternating-current generator the most according to claim 7, it is characterised in that
Described power inductance is Wound-rotor type magnetic shield power inductance, and described power resistor be metal film without
Sensing resistor device.
Simulator for permanent magnet alternating-current generator the most according to claim 4, it is characterised in that
Described direct fault location relay is series in current loop and by described magneto alternator control
Device module processed controls the on off state of described direct fault location relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210193031.4A CN103490779B (en) | 2012-06-12 | 2012-06-12 | Simulator for permanent magnet alternating-current generator |
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| CN201210193031.4A CN103490779B (en) | 2012-06-12 | 2012-06-12 | Simulator for permanent magnet alternating-current generator |
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| CN103490779B true CN103490779B (en) | 2016-12-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717461A (en) * | 2014-12-05 | 2016-06-29 | 中国航空工业集团公司航空动力控制系统研究所 | Rack power supply fault simulation testing device |
| CN105717908A (en) * | 2014-12-05 | 2016-06-29 | 中国航空工业集团公司航空动力控制系统研究所 | Test signal fault simulation device for engine control system stand |
| CN104932486A (en) * | 2015-06-05 | 2015-09-23 | 中国人民解放军61330部队 | AC permanent magnet servo motor electronic simulator |
| CN106124810A (en) * | 2016-08-17 | 2016-11-16 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of emulator simulating PMG alternating current power supply |
| CN107870269B (en) * | 2016-09-26 | 2019-12-24 | 维谛技术有限公司 | Generator set simulation device |
| CN108446493A (en) * | 2018-03-20 | 2018-08-24 | 北京润科通用技术有限公司 | A kind of power of motor grade emulation mode and device |
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