CN107861399A - Fuel controller analogy method and device, computer-readable storage medium - Google Patents
Fuel controller analogy method and device, computer-readable storage medium Download PDFInfo
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- CN107861399A CN107861399A CN201711007001.9A CN201711007001A CN107861399A CN 107861399 A CN107861399 A CN 107861399A CN 201711007001 A CN201711007001 A CN 201711007001A CN 107861399 A CN107861399 A CN 107861399A
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- mfrac
- mathematical modeling
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
Abstract
The present invention provides a kind of fuel controller analogy method and device, computer-readable storage medium, wherein, method includes：Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is the current rotating speed of miniature turbine jet engines, and the input of the output feedback mathematical modeling is given rotating speed；The fuel controller of mathematics modeling miniature turbine jet engines is fed back using the output.The present invention can precisely simulate quiet, the dynamic property quality of miniature turbine jet engines fuel controller, and cost of implementation is cheap.
Description
Technical field
The present invention relates to the fuel oil control of turbojet technical field, more particularly to miniature turbine jet engines
Technology, it is exactly specifically a kind of fuel controller analogy method and device, computer-readable storage medium.
Background technology
Turbojet is a kind of turbogenerator, is characterized in that being completely dependent on combustion gas stream produces thrust, generally uses
Make the power of high-speed aircraft.Miniature turbine jet engines have small and again compared with typical turbine jet engine
Measure the characteristics of light, therefore, miniature turbine jet engines have the advantages that precise structure, small volume, in light weight, thrust-weight ratio is big,
It is highly suitable for the SUAVs such as target drone, scouting, attack, aerial survey.
In the prior art, turbojet provides thrust for aircraft, and aircraft is wanted to turbojet
Seeking Truth ensures that aircraft can be stablized under any environmental condition and any working condition, reliably fly, and gives full play to whirlpool
The benefit in performance of jet engine is taken turns, that is, appropriate thrust is provided；For turbojet, the change of thrust is main
Realized by the change of fuel delivery.
The method of existing control turbojet is that the environment and work residing for aircraft are experienced using related sensor
Make state, the aperture of throttle is controlled further according to the data that sensor obtains, to reach the purpose of control fuel delivery.But directly will
The method of control turbojet is applied on miniature turbine jet engines, it may appear that reliability is low and debugging is all
The problem of phase is long, or even the risk that aircraft is out of control, falls is there is also, experimental cost is high.
Therefore, those skilled in the art need a kind of low-cost test miniature turbine jet engines fuel oil control of research and development badly
Method, securely and reliably.
The content of the invention
In view of this, the technical problem to be solved in the present invention be to provide a kind of fuel controller analogy method and device,
Computer-readable storage medium, solve the problems, such as that cost of implementation is high during existing experiment miniature turbine jet engines oil burner.
In order to solve the above-mentioned technical problem, embodiment of the invention provides a kind of fuel controller analogy method,
Including：Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is miniature turbine jet engines
Current rotating speed, it is described output feedback mathematical modeling input be given rotating speed；Mathematics modeling is fed back using the output
The fuel controller of miniature turbine jet engines.
The embodiment of the present invention also provides a kind of computer-readable storage medium for including computer executed instructions, described
When computer executed instructions are handled via data processing equipment, the data processing equipment performs fuel controller analogy method.
The embodiment of the present invention also provides a kind of fuel controller analogue means, including：Creating unit, for structure
Output feedback mathematical modeling is built, wherein, the output of the output feedback mathematical modeling is the current of miniature turbine jet engines
Rotating speed, the input of the output feedback mathematical modeling is given rotating speed；Analogue unit, for feeding back mathematical modulo using the output
Pattern intends the fuel controller of miniature turbine jet engines.
It can be seen from the above-mentioned embodiment of the present invention, fuel controller analogy method and device, computer storage
Medium at least has the advantages that：Founding mathematical models (such as differential equation method, step response curve method, transfer function method,
Root-locus technique etc.), and using the mathematical modeling simulation miniature turbine jet engines fuel oil control established, cost is cheap, reliably
Property it is high, the design to miniature turbine jet engines fuel controller has an important directive function, reference value height, and not
Aircraft air crash occurs.
It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, it is not
Can the limitation scope of the invention to be advocated.
Brief description of the drawings
Following appended accompanying drawing is the part for specification of the present invention, and it depicts the example embodiment of the present invention, institute
Accompanying drawing is used for the principle for illustrating the present invention together with the description of specification.
Fig. 1 is a kind of flow chart for fuel controller analogy method that the specific embodiment of the invention provides.
Fig. 2 is a kind of schematic block diagram for fuel controller analogue means that the specific embodiment of the invention provides.
Fig. 3 is the equivalent structure figure that mathematical modeling is fed back in a kind of output that the specific embodiment of the invention provides.
Fig. 4 is another equivalent structure figure that mathematical modeling is fed back in a kind of output that the specific embodiment of the invention provides.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, below will with accompanying drawing and in detail
Narration clearly illustrates the spirit of disclosed content, and any skilled artisan is understanding present invention
After embodiment, when the technology that can be taught by present invention, it is changed and modifies, its essence without departing from present invention
God and scope.
The schematic description and description of the present invention is used to explain the present invention, but not as a limitation of the invention.
In addition, element/component of the same or like label used in drawings and the embodiments is for representing same or like portion
Point.
On " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
Be not used to limit the present invention, its only for distinguish with constructed term description element or operation.
On direction term used herein, such as：Upper and lower, left and right, front or rear etc., only it is the side of refer to the attached drawing
To.Therefore, the direction term used is intended to be illustrative and not intended to limit this creation.
It is open term, i.e., on "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
On it is used herein " and/or ", include the things any or all combination.
Include " two " and " two or more " on " multiple " herein；Include " two groups " on " multigroup " herein
And " more than two ".
On term used herein " substantially ", " about " etc., to modify it is any can be with the quantity or mistake of microvariations
Difference, but this slight variations or error can't change its essence.In general, microvariations that such term is modified or error
Scope in some embodiments can be 20%, in some embodiments can be 10%, can be in some embodiments 5% or its
His numerical value.It will be understood by those skilled in the art that the foregoing numerical value referred to can adjust according to actual demand, it is not limited thereto.
It is some to describe the word of the application by it is lower or this specification other places discuss, to provide art technology
Personnel's guiding extra on about the description of the present application.
Fig. 1 is a kind of flow chart for fuel controller analogy method that the specific embodiment of the invention provides, and utilizes foundation
Mathematical modeling simulation miniature turbine jet engines fuel oils control, simulated experiment is carried out to fuel controller.
In the embodiment shown in the drawings, fuel controller analogy method includes：
Step 101：Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is miniature whirlpool
The current rotating speed of jet engine is taken turns, the input of the output feedback mathematical modeling is given rotating speed.The specific implementation of the present invention
In example, output feedback mathematical modeling is in transmission function, differential equation function, step response curve function and root locus function
It is at least one.Further, transmission function includes system open loop transmission function and system closed loop transfer function,.
Step 102：The fuel controller of mathematics modeling miniature turbine jet engines is fed back using the output.This
In the specific embodiment of invention, feed back the fuel delivery of mathematics modeling fuel controller using output and engine works as forward
Relation between speed, given rotating speed.
Referring to Fig. 1, it can preferably reflect that miniature turbine jet engines fuel oil controls by exporting feedback mathematical modeling
Quiet, the dynamic property quality of device, cost is cheap, and simulation is accurate.
Fig. 3 is the equivalent structure figure that mathematical modeling is fed back in a kind of output that the specific embodiment of the invention provides；Fig. 4 is this
A kind of another equivalent structure figure for output feedback mathematical modeling that invention embodiment provides, output feedback mathematical modeling
The given rotating speed for miniature turbine jet engines is inputted, the output of output feedback mathematical modeling is miniature turbine jet engines
Current rotating speed, GC(S) it is the transmission function of correction link；GO(S) it is the transmission function of control object, output feedback mathematical modulo
To the input of output feedback mathematical modeling, e (S) is G for the output negative-feedback of typeC(S) input value, as shown in Figure 3；Output feedback
The input of mathematical modeling is the given rotating speed of miniature turbine jet engines, and the output of output feedback mathematical modeling is miniature turbine
The current rotating speed of jet engine, GK(S) it is system open loop transmission function, as shown in Figure 4.
In the specific embodiment of the present invention, the system open loop transmission function GK(S) formula is：
Wherein, GC(S) it is the transmission function of correction link；GO(S) it is the transmission function of control object；F (S) adjusts for pulsewidth
The numeric type input value of device processed；N (S) is the current rotating speed of miniature turbine jet engines；E (S) is GC(S) input value；NR
(S) it is the given rotating speed of miniature turbine jet engines；S is variable.
The system closed loop transfer function, GB(S) formula is：
Wherein, N (S) is the current rotating speed of miniature turbine jet engines；NR (S) is giving for miniature turbine jet engines
Determine rotating speed；GK(S) it is system open loop transmission function.
The transmission function G of control objectO(S) calculation formula is：
Wherein, KOFor proportionality coefficient；TOFor inertia time constant；τ is pure delay time；S is variable.
The transmission function G of correction linkC(S) calculation formula is：
Wherein, KCFor correction link proportionality coefficient；TIFor integration time constant；S is variable.
In summary：
According to miniature turbine jet enginesRatio is understood：
WhenWhen, miniature turbine jet engines are easily controllable；
WhenWhen, miniature turbine jet engines still control；
WhenWhen, miniature turbine jet engines are difficult to control.
In embodiments of the invention, takeBelong to fine control range, can with first order inertial loop come
Approximate simulation purely retarded, the transmission function of such miniature turbine jet engines can be approximately further two first order inertial loops
Mutually contact, so as to learn：
Can further it learn：
Understand there are two limitsWherein, minimum limitClose to the imaginary axis, to miniature turbine jet engines
Dynamic property influence maximum, referred to as dominant pole, if the dominant pole is eliminated, miniature turbine jet engines can be improved
Dynamic property.Therefore choose TI=T0, dominant pole is eliminated, can be learnt：
Above-mentioned formula is a second-order system, accordingly it is also possible to learn step response of the second-order system under unit feedback.
Fig. 2 is a kind of schematic block diagram for fuel controller analogue means that the specific embodiment of the invention provides, such as Fig. 2 institutes
Show, simulate the control of miniature turbine jet engines fuel oil using the mathematical modeling of foundation, simulated experiment is carried out to fuel controller.
In the embodiment shown in the drawings, fuel controller analogue means includes creating unit 1 and analogue unit
2.Wherein, creating unit 1 is used to build output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is micro-
The current rotating speed of type turbojet, the input of the output feedback mathematical modeling is given rotating speed；Analogue unit 2 is used for
The fuel controller of mathematics modeling miniature turbine jet engines is fed back using the output.
Referring to Fig. 2, it can preferably reflect that miniature turbine jet engines fuel oil controls by exporting feedback mathematical modeling
Quiet, the dynamic property quality of device, cost is cheap, and simulation is accurate.
The specific embodiment of the invention provides a kind of computer-readable storage medium for including computer executed instructions, the calculating
When machine execute instruction is handled by data processing equipment, the data processing equipment performs following steps：
Step 101：Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is miniature whirlpool
The current rotating speed of jet engine is taken turns, the input of the output feedback mathematical modeling is given rotating speed.
Step 102：The fuel controller of mathematics modeling miniature turbine jet engines is fed back using the output.
The specific embodiment of the invention provides a kind of fuel controller analogy method and device, computer-readable storage medium, builds
Vertical mathematical modeling (such as differential equation method, step response curve method, transfer function method, root-locus technique), and utilize the number established
The control of modeling miniature turbine jet engines fuel oil is learned, cost is cheap, and reliability is high, and miniature turbine jet engines are fired
The design of oily controller has important directive function, and reference value is high, and is not in aircraft air crash.
The above-mentioned embodiment of the present invention can be implemented in various hardware, Software Coding or both combination.For example, this hair
Bright embodiment is alternatively to be performed in single-chip microcomputer or data signal processor (Digital Signal Processor, DSP)
The program code of the above method.The present invention can also refer to computer processor, digital signal processor, microprocessor or scene can
Program the multiple functions that gate array (Field Programmable GateArray, FPGA) performs.It can be configured according to the present invention
Above-mentioned computing device particular task, it defines the machine-readable software code for the ad hoc approach that the present invention discloses by performing
Or firmware code is completed.Software code or firmware code can be developed into different program languages and different forms or shape
Formula.Or different target platform composing software code.However, according to the software code of execution task of the present invention and other classes
Different code pattern, type and the language of type configuration code do not depart from spirit and scope of the invention.
The schematical embodiment of the present invention is the foregoing is only, before the design of the present invention and principle is not departed from
Put, the equivalent variations and modification that any those skilled in the art is made, the scope of protection of the invention all should be belonged to.
Claims (10)
1. a kind of fuel controller analogy method, it is characterised in that this method includes：
Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is miniature turbine jet engines
Current rotating speed, it is described output feedback mathematical modeling input be given rotating speed；And
The fuel controller of mathematics modeling miniature turbine jet engines is fed back using the output.
2. fuel controller analogy method as claimed in claim 1, it is characterised in that the output feedback mathematical modeling is biography
Delivery function.
3. fuel controller analogy method as claimed in claim 2, it is characterised in that the transmission function includes system open loop
Transmission function and system closed loop transfer function,.
4. fuel controller analogy method as claimed in claim 3, it is characterised in that the system open loop transmission function GK(S)
Formula be：
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Wherein, GC(S) it is the transmission function of correction link；GO(S) it is the transmission function of control object；F (S) is pulse width modulator
Numeric type input value；N (S) is the current rotating speed of miniature turbine jet engines；E (S) is GC(S) input value；NR (S) is
The given rotating speed of miniature turbine jet engines；S is variable.
5. fuel controller analogy method as claimed in claim 4, it is characterised in that the system closed loop transfer function, GB(S)
Formula be：
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<msub>
<mi>G</mi>
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Wherein, N (S) is the current rotating speed of miniature turbine jet engines；NR (S) is that the given of miniature turbine jet engines turns
Speed；GK(S) it is system open loop transmission function.
6. fuel controller analogy method as claimed in claim 5, it is characterised in that the transmission function G of control objectO(S)
Calculation formula is：
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Wherein, KOFor proportionality coefficient；TOFor inertia time constant；τ is pure delay time；S is variable.
7. fuel controller analogy method as claimed in claim 5, it is characterised in that the transmission function G of correction linkC(S)
Calculation formula is：
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Wherein, KCFor correction link proportionality coefficient；TIFor integration time constant；S is variable.
8. fuel controller analogy method as claimed in claim 1, it is characterised in that the output feedback mathematical modeling is micro-
Divide at least one of equation functions, step response curve function and root locus function.
9. a kind of fuel controller analogue means, it is characterised in that the device includes：
Creating unit, feedback mathematical modeling is exported for building, wherein, the output of the output feedback mathematical modeling is miniature whirlpool
The current rotating speed of jet engine is taken turns, the input of the output feedback mathematical modeling is given rotating speed；And
Analogue unit, for feeding back the fuel controller of mathematics modeling miniature turbine jet engines using the output.
A kind of 10. computer-readable storage medium for including computer executed instructions, it is characterised in that the computer executed instructions warp
When crossing data processing equipment processing, the data processing equipment performs following steps：
Structure output feedback mathematical modeling, wherein, the output of the output feedback mathematical modeling is miniature turbine jet engines
Current rotating speed, it is described output feedback mathematical modeling input be given rotating speed；And feed back mathematical modeling using the output
Simulate the fuel controller of miniature turbine jet engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007001.9A CN107861399A (en) | 2017-10-25 | 2017-10-25 | Fuel controller analogy method and device, computer-readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007001.9A CN107861399A (en) | 2017-10-25 | 2017-10-25 | Fuel controller analogy method and device, computer-readable storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN107861399A true CN107861399A (en) | 2018-03-30 |
Family
ID=61696702
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711007001.9A Pending CN107861399A (en) | 2017-10-25 | 2017-10-25 | Fuel controller analogy method and device, computer-readable storage medium |
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2017
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