CN110080886A - A kind of method and device controlling fuel compression system - Google Patents
A kind of method and device controlling fuel compression system Download PDFInfo
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- CN110080886A CN110080886A CN201910303288.2A CN201910303288A CN110080886A CN 110080886 A CN110080886 A CN 110080886A CN 201910303288 A CN201910303288 A CN 201910303288A CN 110080886 A CN110080886 A CN 110080886A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
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Abstract
The application provides a kind of method and device for controlling fuel compression system, the accuracy of the running parameter for improving control fuel compression system.This method comprises: obtaining the first input parameter of setting, the first input parameter includes fuel inlet temperature and fuel inlet pressure in the compressor of fuel compression system；First input parameter is input at least one preset model, obtains the first output parameter corresponding with the first input parameter in fuel compression system；If it is determined that the first output parameter matches with default output parameter, then the operation of fuel compression system is controlled according to the first input parameter.
Description
Technical field
This application involves the anti-simulation technical field of computer more particularly to a kind of methods and dress for controlling fuel compression system
It sets.
Background technique
Gas turbine includes fuel compression system, compressor, combustion chamber and turbine.Air compressor adds air
Pressure, the air after pressurizeing enter combustion chamber, and the air after pressurizeing and fuel are mixed and burned, and push turbine rotation acting.?
Fuel enters before combustion chamber, and fuel compression system is needed to pressurize fuel, so that fuel and air burning is abundant.
Currently, the method for the running parameter of control fuel compression system is generally as follows: generally determining combustion based on experience value
Expect the running parameter of compression system, fuel inlet pressure, main motor revolving speed, the ratio product of running parameter such as fuel compression system
Divide differential (Proportion Integration Differentiation, PID) parameter etc..Obviously, this to be come with empirical value
The operation of fuel compression system is controlled, the accuracy that will lead to control fuel compression system is lower.
Summary of the invention
The application provides a kind of method and device for controlling fuel compression system, for improving control fuel compression system
The accuracy of running parameter.
In a first aspect, provide it is a kind of control fuel compression system method, the fuel compression system include for realizing
The heat exchange of coolant and fuel and the compressor for being used to pressurize to the fuel, which comprises
The first input parameter of setting is obtained, the first input parameter includes the compression of the fuel compression system
Fuel inlet temperature and fuel inlet pressure in machine；
By it is described first input parameter be input at least one preset model, obtain in the fuel compression system with
Described first inputs corresponding first output parameter of parameter；Wherein, first output parameter include Fuel Outlet Temperature and/or
Fuel outlet pressure, at least one described model are used to indicate the sample input ginseng in the sample data of the fuel compression system
Corresponding relationship between several sample output parameters with the sample data, the sample input parameter includes the compressor
In fuel inlet temperature and fuel inlet pressure, the sample output parameter include the Fuel Outlet Temperature in the compressor
With fuel outlet pressure；
If it is determined that first output parameter matches with default output parameter, then controlled according to the first input parameter
Make the fuel compression system operation.
In the above scheme, before the operation according to the first input state modulator fuel compression system, passed through pre-
If at least one model obtain the first corresponding first output parameter of input parameter, and determine that the first output parameter is and presets
What output parameter matched, to ensure that the first input parameter meets the requirements, therefore, using the first input parameter to fuel
Compression system is controlled, compared with the existing technology in, directly in such a way that empirical value controls fuel compression system, on
The scheme of stating opposite can improve the accuracy of the running parameter of control fuel compression system.It is according to fuel and in above scheme
Sample data in compression system actual moving process establishes at least one model, it is ensured that at least one model meets combustion
Expect the situation of change of compression system actual moving process.
In a kind of possible design, before obtaining the output parameter in the fuel compression system, comprising:
Obtain sample input parameter and the sample output parameter in the sample data；
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, it is described right
It should be related at least one model described in the fuel compression system.
In the above scheme, by the sample of at least one component established in fuel compression system respectively input parameter with
The corresponding relationship of the sample output parameter of at least one component, to obtain at least one model, that is to say, that fuel compression train
All parts in system are corresponding with corresponding model, thus all parts be corresponding with corresponding model can be defeated to different first
The reasonability for entering parameter is verified, to improve the flexibility of the running parameter of control fuel compression system.
In a kind of possible design, parameter and the sample output parameter are inputted according to the sample, established therewith
Between corresponding relationship, comprising:
According to fuel inlet temperature, Fuel Outlet Temperature, fuel inlet pressure and the fuel outlet pressure in the compressor
Power, determine the polytropic exponent of the compressor, and the polytropic exponent refers to that the compressor is pressurizeing to the fuel
Parameter in polytropic process；
The first corresponding relationship between the polytropic exponent and the sample data is established, first corresponding relationship is institute
State the first model at least one model.
In the above scheme, compressor compresses Fuel Process is considered as a polytropic process to be fired according to sample data
The polytropic exponent of material compression system realizes to obtain the relationship between polytropic exponent and sample data to compressor compresses
The simulation modeling of process, so that being more in line with the true of the compression process of compressor according to the first output valve that the model verifies
Value further improves the accuracy of the running parameter of control fuel compression system.
In a kind of possible design, the sample data further include coolant inlet temperature in the compressor and
Wall surface temperature in the compressor inputs parameter and the sample output parameter according to the sample, establish and between
Corresponding relationship, comprising:
According to the fuel inlet temperature, the wall surface temperature and the coolant outlet temperature, equivalent contact is obtained
Area, the equivalent contact area carry out connecing in heat exchanging process with the fuel for the coolant in the compressor
Contacting surface product；
Establish the second corresponding relationship between the equivalent contact area and the fuel inlet temperature；Wherein, described
Two corresponding relationships are the second model at least one described model.
In the above scheme, equivalent contact area is obtained according to sample data, to obtain equivalent contact area and fuel
The second corresponding relationship between inlet temperature realizes and carries out simulation modeling to the heat exchanging process of compressor, so that according to this
The first output valve that model verifies is more in line with the true value in the compression process of compressor, further improves control fuel
The accuracy of the running parameter of compression system.
In a kind of possible design, the fuel compression system includes intake valve and first circulation valve, the intake valve
First connect with the fuel supply mouth of the fuel compression system, second mouthful of the intake valve with the compressor into
Fuel port connection, the third mouth of the intake valve connect with the first of the first circulation valve, and the of the first circulation valve
Two mouthfuls connect with the compressor into fuel port, and the fuel of the third mouth of the circulating valve and the fuel compression system is discharged
Mouth connection；The sample input parameter includes second mouthful of fuel pressure signal of the first circulation valve, the sample output
Parameter includes the first fuel mass flow rates of the first of the first circulation valve, in which:
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, comprising:
Establish the third corresponding relationship between the fuel pressure signal and first fuel mass flow rates, the third
Corresponding relationship is the third model at least one described model.
In the above scheme, according to fuel pressure signal and the first fuel mass flow rates, to obtain fuel pressure letter
Third corresponding relationship number between the first fuel mass flow rates, simulates the real work process of first circulation valve, so that root
It is more in line with the true value in the course of work of first circulation valve according to the first output valve that the model verifies, is further improved
Control the accuracy of the running parameter of fuel compression system.
In a kind of possible design, the fuel compression system includes solenoid valve, the first of the solenoid valve and institute
The first connection of first circulation valve is stated, second mouthful of the solenoid valve connects with the fuel discharge outlet of the fuel compression system
It connects, the third mouth of the solenoid valve is connect with the fuel port that goes out of the compressor, and the sample input parameter includes the electromagnetism
The input electrical signal of valve, the sample output parameter include second mouthful of the second fuel mass flow rates of the solenoid valve, in which:
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, comprising:
Establish the 4th corresponding relationship between the input electrical signal and second fuel mass flow rates, described 4th pair
It should be related to for the 4th model at least one described model.
In the above scheme, according to input electrical signal and the second fuel mass flow rates, thus obtain input electrical signal with
The 4th corresponding relationship between second fuel mass flow rates, simulates the real work process of solenoid valve, so that being tested according to the model
The first output valve demonstrate,proved out is more in line with the true value in the course of work of solenoid valve, further improves control fuel compression train
The accuracy of the running parameter of system.
Second aspect, provide it is a kind of control fuel compression system device, the fuel compression system include for realizing
The heat exchange of coolant and fuel and the compressor for being used to pressurize to the fuel, described device include obtaining module and place
Manage module, in which:
The acquisition module, obtains the first input parameter of setting, and the first input parameter includes the fuel pressurization
Fuel inlet temperature and fuel inlet pressure in the compressor of system；
The processing module, for the first input parameter to be input at least one preset model, described in acquisition
The first output parameter corresponding with the first input parameter in fuel compression system；Wherein, the first output parameter packet
Fuel Outlet Temperature and/or fuel outlet pressure are included, at least one described model is used to indicate the sample of the fuel compression system
Corresponding relationship between sample input parameter in notebook data and the sample output parameter in the sample data, the sample are defeated
Entering parameter includes the fuel inlet temperature and fuel inlet pressure in the compressor, and the sample output parameter includes the pressure
Fuel Outlet Temperature and fuel outlet pressure in contracting machine；And
If it is determined that first output parameter matches with default output parameter, then controlled according to the first input parameter
Make the fuel compression system operation.
In a kind of possible design, the acquisition module, the sample for being also used to obtain in the sample data is defeated
Enter parameter and the sample output parameter；
The processing module, is also used to input parameter and the sample output parameter according to the sample, described in foundation
Sample inputs the corresponding relationship between parameter and the sample output parameter, and the corresponding relationship is the fuel compression system
At least one described model.
In a kind of possible design, the processing module is specifically used for:
According to fuel inlet temperature, Fuel Outlet Temperature, fuel inlet pressure and the fuel outlet pressure in the compressor
Power, determine the polytropic exponent of the compressor, and the polytropic exponent refers to that the compressor is pressurizeing to the fuel
Parameter in polytropic process；
The first corresponding relationship between the polytropic exponent and the sample data is established, first corresponding relationship is institute
State the first model at least one model.
In a kind of possible design, the sample data further include coolant inlet temperature in the compressor and
Wall surface temperature in the compressor, the processing module are specifically used for:
According to the fuel inlet temperature, the wall surface temperature and the coolant outlet temperature, equivalent contact is obtained
Area, the equivalent contact area carry out connecing in heat exchanging process with the fuel for the coolant in the compressor
Contacting surface product；
Establish the second corresponding relationship between the equivalent contact area and the fuel inlet temperature；Wherein, described
Two corresponding relationships are the second model at least one described model.
In a kind of possible design, the fuel compression system includes intake valve and first circulation valve, the intake valve
First connect with the fuel supply mouth of the fuel compression system, second mouthful of the intake valve with the compressor into
Fuel port connection, the third mouth of the intake valve connect with the first of the first circulation valve, and the of the first circulation valve
Two mouthfuls connect with the compressor into fuel port, and the fuel of the third mouth of the circulating valve and the fuel compression system is discharged
Mouth connection；The sample input parameter includes second mouthful of fuel pressure signal of the first circulation valve, the sample output
Parameter includes the first fuel mass flow rates of the first of the first circulation valve, and the processing module is specifically used for:
Parameter and the sample output parameter are inputted according to the sample, establishes the sample input parameter and the sample
Corresponding relationship between this output parameter, comprising:
Establish the third corresponding relationship between the fuel pressure signal and first fuel mass flow rates, the third
Corresponding relationship is the third model at least one described model.
In a kind of possible design, the fuel compression system includes solenoid valve, the first of the solenoid valve and institute
The first connection of first circulation valve is stated, second mouthful of the solenoid valve connects with the fuel discharge outlet of the fuel compression system
It connects, the third mouth of the solenoid valve is connect with the fuel port that goes out of the compressor, and the sample input parameter includes the electromagnetism
The input electrical signal of valve, the sample output parameter includes second mouthful of the second fuel mass flow rates of the solenoid valve, described
Processing module is specifically used for:
Parameter and the sample output parameter are inputted according to the sample, establishes the sample input parameter and the sample
Corresponding relationship between this output parameter, comprising:
Establish the 4th corresponding relationship between the input electrical signal and second fuel mass flow rates, described 4th pair
It should be related to for the 4th model at least one described model.
The third aspect provides a kind of device for controlling fuel compression system, comprising:
At least one processor, and
The memory being connect at least one described processor communication；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
It manages device and realizes method described in any one of first aspect by executing the instruction of the memory storage.
Fourth aspect, provides a kind of computer readable storage medium, and the computer-readable recording medium storage has calculating
Machine instruction, when the computer instruction is run on computers, so that computer is executed as described in any one of first aspect
Method.
Detailed description of the invention
Fig. 1 is a kind of structure chart of fuel compression system provided by the embodiments of the present application；
Fig. 2 is a kind of flow chart of method for controlling fuel compression system provided by the embodiments of the present application；
Fig. 3 is the physical model figure of main motor provided by the embodiments of the present application；
Fig. 4 is the formula model figure in the compression process of compressor provided by the embodiments of the present application；
Fig. 5 is the physical model figure in the compression process of compressor provided by the embodiments of the present application；
Fig. 6 is the curve comparison figure of Fuel Outlet Temperature provided by the embodiments of the present application and fuel inlet temperature；
Fig. 7 is the curve comparison figure of fuel outlet pressure and fuel inlet pressure provided by the embodiments of the present application；
Fig. 8 is the physical model figure in the heat exchanging process of compressor provided by the embodiments of the present application；
Fig. 9 is the heat exchange principle figure of compressor provided by the embodiments of the present application；
Figure 10 is the physical model figure of inlet valve provided by the embodiments of the present application；
Figure 11 is the physical model figure of first circulation valve provided by the embodiments of the present application；
Figure 12 is the physical model figure of the first solenoid valve provided by the embodiments of the present application；
Figure 13 is the comparison diagram that fuel provided by the embodiments of the present application it is expected outlet pressure and the practical outlet pressure of fuel；
Figure 14 is the quality of fuel changes in flow rate figure of fuel compression system provided by the embodiments of the present application outlet；
Figure 15 is a kind of structure chart of device for controlling fuel compression system provided by the embodiments of the present application；
Figure 16 is a kind of structure chart of device for controlling fuel compression system provided by the embodiments of the present application.
Specific embodiment
In order to better understand technical solution provided by the embodiments of the present application, below in conjunction with Figure of description and specifically
Embodiment be described in detail.
In order to improve the accuracy for the running parameter for controlling fuel compression system, the embodiment of the present application provides a kind of control combustion
Expect the method for compression system, the structure for the fuel control compression system being applicable in below this method illustrates.
Fig. 1 is please referred to, which includes main motor 103, compressor 104, intake valve 102, first circulation valve
110, second circulation valve 107, the first solenoid valve 108, second solenoid valve 109, the first surge tank 101, the second surge tank 112, oil
Divide bucket 106, coolant chiller 105 and fuel cooler 111.
Below between all parts in fuel compression system connection relationship and effect be illustrated.
First surge tank 101 and being connect for fuel port in fuel compression system, the first surge tank 101 by pipeline with into
The first of air valve 102 connects, and second mouthful of intake valve 102 is connect with compressor 104, the third mouth of intake valve 102 and first
The first of circulating valve 110 connects.Second mouthful of first circulation valve 110 is connect with compressor 104 into fuel port, first circulation
The third mouth of valve 110 is connect with the second surge tank 112 into fuel port.Main motor 103 is connect with compressor 104, main motor 103
For driving compressor 104 to do compression operation.Compressor 104 is connect by pipeline with coolant chiller 105.Coolant is cooling
Device 105 is connect by pipeline with oil content barrel 106.Oil content barrel 106 is connect by pipeline with fuel cooler 111, fuel cooler
111 are connect by pipeline with the second surge tank 112.
The first of first solenoid valve 108 is connect with the first of first circulation valve 110, and the second of the first solenoid valve 108
Mouth is connect with the second surge tank 112 into fuel port, the third mouth of the first solenoid valve 108 and the first of second solenoid valve 109
Connection.Second mouthful of second solenoid valve 109 is connect with the first of the first solenoid valve 108, the third mouth of second solenoid valve 109 with
The first of second circulation valve 107 connects, and second mouthful of second circulation valve 107 connect with the fuel port that goes out of the first surge tank 101,
The third mouth of second circulation valve 107 is connect with the fuel port that goes out of the second surge tank 112.
The flow process of fuel and coolant in fuel compression system is illustrated below.What general fuel used can
Combustion property gas, such as natural gas.Coolant is generally adopted by liquid, such as oil.
Fuel enters the first buffer tank 101, and fuel passes through intake valve from the first of 101 intake valve 102 of the first buffer tank
Second mouthful of 102 enters compressor 104, and compressor 104 compresses fuel.During being compressed to fuel, in order to
Avoid the temperature of fuel excessively high, generally require to being passed through coolant inside compressor 104, coolant can to compressor 104 into
Row lubrication and cooling.Coolant generally uses oil.Coolant is separated from oil content barrel 106, by coolant chiller
105 enter compressor 104.Coolant and fuel carry out heat exchanging process between compressor 104.Fuel after compression enters
Then oil content barrel 106 passes through fuel cooler 111, using the second surge tank 112, after the output pressurization of fuel compression system
Fuel is finally fed gas turbine.
There is part of fuel that can flow into intake valve 102 by second circulation valve 107 in oil content barrel 106 and realizes circulation.Second is slow
Rushing in tank 112, which has part of fuel that can flow into the first surge tank 101 by first circulation valve 110, realizes circulation.Second surge tank 112
In have part of fuel that can successively pass through first circulation valve 110, the first solenoid valve 108, second solenoid valve 109 to flow into intake valve again
102 realize circulation.
Below by taking the fuel compression system of Fig. 1 as an example, to the method for the control fuel compression system in the embodiment of the present application
It is illustrated.This method is executed by the device of control fuel compression system.The device of control fuel compression system can pass through
Controller realizes that controller can realize by central processing unit (Central Processing Unit, CPU), can also be with
It is realized by specific integrated circuit (Application Specific Intergrated Circuit, ASIC).Please refer to figure
2, the process of this method is as follows:
Step 201, the first input parameter of setting is obtained；
Step 202, according to sample data, at least one model is established；
Step 203, the first input parameter is input at least one preset model, obtain in fuel compression system with
Corresponding first output parameter of first input parameter；
Step 204, however, it is determined that the first output parameter matches with default output parameter, then is controlled according to the first input parameter
Fuel compression system operation processed.
It should be noted that step 203 is optional step.
The general thought in the embodiment of the present application is briefly introduced below:
The device of control fuel compression system will realize the control to fuel compression system, need to obtain fuel compression system
The input parameter of middle all parts controls fuel compression system according to the input parameter of all parts.Control fuel adds
The device of pressure system verifies input parameter according at least one model, if the corresponding output parameter of input parameter and pre-
If output parameter match, then illustrate the input Rational Parameters.The device of fuel compression system is controlled according to the input
Parameter controls the operation of fuel compression system.Due to being verified in advance to input parameter, to ensure that input parameter is full
Sufficient condition, to realize the accurate control to fuel compression system.
It is illustrated below with reference to the detailed process that device of the Fig. 2 to control fuel compression system executes each step.
The device of control fuel compression system first carries out step 201, that is, obtains the first input parameter of setting.
Specifically, the first input parameter can be understood as the input of all parts in the fuel compression system for needing to verify
Parameter.First input parameter can be user's input.First input parameter includes fuel inlet temperature and pressure in compressor 104
Fuel inlet pressure in contracting machine 104.In addition, the first input parameter further includes the revolving speed of main motor 103, in compressor 104
Coolant inlet temperature, the wall surface temperature in compressor 104, second mouthful of fuel pressure signal of first circulation valve 110, first
One or more of first input electrical signal of solenoid valve 108, second input electrical signal of second solenoid valve 109.
After the device execution step 201 for controlling fuel compression system, step 202 is executed, i.e., according to sample data, is established
At least one model.
The device of control fuel compression system needs to verify the first input parameter according at least one model.At least
One model can be understood as between the input parameter of the sample at least one component of fuel compression system and sample output parameter
Corresponding relationship.At least one component refers to component in fuel compression system.At least one component includes compressor 104.In addition,
At least one component includes main motor 103, compressor 104, intake valve 102, first circulation valve 110, second circulation valve 107,
One or more of one solenoid valve 108 and second solenoid valve 109.But in the device verifying first of control fuel compression system
It inputs before parameter, fuel compression system needs first to establish at least one model.Below to foundation provided by the embodiments of the present application
The mode of at least one model is illustrated.
Establish the mode of at least one model are as follows:
According to the sample input parameter and at least one component of each component at least one component in sample data
In each component sample output parameter, establish the sample input parameter and at least one portion of each component at least one component
Corresponding relationship between the sample output parameter of part.
Wherein, sample data can be understood as the known sample generated in fuel compression system actual moving process input
Parameter and corresponding sample output parameter.Sample input parameter includes fuel inlet temperature and compressor in compressor 104
Fuel inlet pressure in 104.In addition, sample input parameter further includes the revolving speed of main motor 103, the cooling in compressor 104
Agent inlet temperature, the wall surface temperature in compressor 104, the fuel pressure signal of first circulation valve 110, second circulation valve 107
Fuel pressure signal, the first input electrical signal of the first solenoid valve 108, second solenoid valve 109 the second input electrical signal in
It is one or more of.
Sample output parameter includes the Fuel Outlet Temperature in fuel inlet pressure and compressor 104 in compressor 104.
In addition, sample output parameter can also include the first fuel mass flow rates of first circulation valve 110, second circulation valve 107 the
Fuel outlet pressure, Fuel Outlet Temperature, fuel outlet pressure, compressor in two fuel mass flow rates and compressor 104
4th fuel of polytropic exponent, equivalent contact area, the third fuel mass flow rates of the first solenoid valve 108, second solenoid valve 109
One or more of mass flow.
It should be noted that joining since the sample output parameter of certain components may be inputted as the sample of other component
Number, therefore, it is for the corresponding portion in fuel compression system that the sample in sample data, which inputs parameter with sample output parameter,
For part.
Specifically, sample data includes the sample input parameter of each component at least one component of fuel compression system
And corresponding sample output parameter.Parameter and corresponding sample output parameter are inputted according to the sample of each component, thus
The corresponding model of the component can be obtained.At least one component is different, and the mode for establishing the corresponding model of the component is also different, under
Modeling pattern in face of different components is illustrated respectively.
The first establishes the mode of at least one model when at least one component includes main motor 103 are as follows:
The sample input parameter of main motor 103 in sample data and the sample output parameter of main motor 103 are obtained, is built
Corresponding relationship between the sample input parameter and the sample output parameter of main motor 103 of vertical main motor 103, to obtain main electricity
The model of machine 103.
Specifically, the sample input parameter of main motor 103 is revolving speed, and the sample output parameter of main motor 103 is compression
Fuel inlet pressure in machine 104.According to pair between the fuel inlet pressure in the revolving speed of main motor 103 and compressor 104
It should be related to, which is just the model of main motor 103.The form of corresponding relationship can be function expression, figure and
The forms such as tables of data, are not particularly limited herein.For example, referring to figure 3., a in Fig. 3 indicates the physical model of main motor 103.
When at least one component includes compressor 104, the mode of at least one model is established are as follows:
The sample input parameter of compressor 104 in sample data and the sample output parameter of compressor 104 are obtained, is built
Corresponding relationship between the sample input parameter and the sample output parameter of compressor 104 of vertical compressor 104, to be compressed
The model of machine 104.
Specifically, fuel can pass through two physical processes in compressor 104, and a physical process is 104 meeting of compressor
Fuel is compressed, hereinafter referred compression process.One physical process is that fuel and coolant can carry out in compressor 104
Heat exchange, hereinafter referred heat exchanging process.For two physical processes of compressor 104, modeled respectively.Below to two
The modeling process of physical process is illustrated respectively.
It second, when at least one component includes compressor 104, according to the compression process of compressor 104, establishes at least
The mode of one model are as follows:
The sample for obtaining compressor 104 in sample data inputs parameter, and sample input parameter includes the combustion in compressor 104
Expect the sample output parameter of inlet temperature and fuel inlet pressure and compressor 104 in compressor 104, sample output ginseng
Number includes the Fuel Outlet Temperature of compressor 104, fuel outlet pressure, establishes the sample input parameter and compression of compressor 104
The first corresponding relationship between the sample output parameter of machine 104, to obtain the first model at least one model.
Specifically, 104 compression process of compressor is equivalent to a polytropic process, according to the thermodynamics in compression process
Formula, so that the polytropic exponent in polytropic process is obtained, to establish the corresponding pass between polytropic exponent and sample input parameter
System, the model of 104 compression process of the corresponding relationship i.e. compressor.
The equation of gas state in the compression process of compressor 104 meets following formula:
Wherein, n indicates polytropic exponent, TdIt is the Fuel Outlet Temperature of compressor 104, TsIt is the fuel inlet of compressor 104
Temperature, PsFor the fuel inlet pressure of compressor 104, PdFor the fuel outlet pressure of compressor 104.
Deformation process is carried out to above-mentioned formula, the formula for obtaining Polytropic exponent n is as follows:
The sample input parameter and sample output parameter of compressor 104 in sample data are input in above formula, thus
It is obtained with the corresponding polytropic exponent of different sample datas, to establish between different polytropic exponent and sample data
Corresponding relationship, the model in 104 compression process of the corresponding relationship i.e. compressor.
For example, referring to figure 4., the formula model figure in 104 compression process of compressor obtained according to above-mentioned formula, Fig. 4
Illustrate the mode of the model in the compression process for obtaining the compressor.A in Fig. 4 indicates main motor 103.
According to the formula model figure in Fig. 4, to be obtained with the emulated physics illustraton of model of compressor 104 in Fig. 5.Figure
B in 5 indicates the physical model of the compression process of compressor 104.
After the model in the compression process for obtaining compressor 104, the model of compressor 104 is verified.For example,
Fig. 6 is please referred to, in the case where setting fuel inlet temperature (as shown in a in Fig. 6) of compressor 104, according to compressor 104
Compression process in model, the curve of the Fuel Outlet Temperature of the compressor 104 of acquisition is as shown in the figure b in Fig. 6.It can see
Fuel Outlet Temperature to compressor 104 is stable in a short time, and close with the course of work of true fuel compression system.
Fig. 7 is please referred to, in the case where setting fuel inlet pressure (as shown in a in Fig. 7) of compressor 104, according to
Model in the compression process of compressor 104, the curve such as the b institute in Fig. 7 of the fuel outlet pressure of the compressor 104 of acquisition
Show.It can be seen that the fuel outlet pressure of compressor 104 is stable in a short time, and the work with true fuel compression system
Process is close.
The third, according to the heat exchanging process of compressor 104, is established extremely when at least one component includes compressor 104
The mode of a few model are as follows:
Obtain sample data, sample input parameter include the coolant inlet temperature of compressor 104, fuel inlet temperature and
Wall surface temperature in compressor 104.Equivalent contact area is obtained according to sample data, establishes the sample input ginseng of compressor 104
The second corresponding relationship between the several and equivalent contact area of compressor 104, to obtain the second mould at least one model
Type.
Fig. 8 is please referred to, compressor 104 is equivalent to heat exchanger, 1 mouthful of injection fuel of the compressor 104 in Fig. 8, pressure
2 mouthfuls of injection coolants of contracting machine 104.In compressor 104 heat exchange occurs for fuel and coolant.Fig. 9 is expressed as the heat in Fig. 8
The schematic diagram of exchange process.Fig. 9 is please referred to, entire gas-liquid heat exchanger can be divided into three parts, gas represented by letter G in figure
Part, the wall surface of compressor 104 represented by letter w in figure, liquid portion represented by letter L in figure.
Heat exchange between gas and wall surface contains radiation and convective exchange two parts.But since radiation exchange is to pressure
The influence of contracting machine 104 is little, therefore in the embodiment of the present application when the heat exchanging process to compressor 104 models, mainly
What is considered is heat convection.
Specifically, according to energy conservation principle, the heat and coolant lost in fuel compressor 104 is in compressor
The heat obtained in 104 is identical.
The heat of loss of the fuel in compressor 104 is expressed as:
dh=h1.s. (Ts-Tw)
Wherein, h1 indicates the thermal convection exchange coefficient between fuel and wall surface, and s indicates the equivalent of fuel and compressor 104
Contact area, TwIndicate wall surface temperature.
The heat that coolant obtains in compressor 104 is expressed as:
dh=h2.s. (Tw-Ti)
Wherein, h2 indicates the thermal convection exchange coefficient between coolant and wall surface, TiIndicate coolant inlet temperature.
Sample data is input in above-mentioned two formula, so that equivalent contact area can be calculated, to obtain
The second corresponding relationship between equivalent contact area and fuel inlet temperature is obtained, to obtain the heat exchanging process of compressor 104
Model.
4th kind, when at least one component includes intake valve 102, establish the mode of at least one model are as follows:
According to the topology requirement of fuel compression system, the physical model of intake valve 102 is established.Please refer to Figure 10, Tu10Zhong
D indicate intake valve 102 physical model figure.The connection relationship of intake valve 102 and other component is referred to discuss above interior
Hold, details are not described herein again.
5th kind, when at least one component includes first circulation valve 110, establish the mode of at least one model are as follows:
Sample input parameter and sample output parameter in sample data are obtained, it includes first circulation valve that sample, which inputs parameter,
110 fuel pressure signal, sample output parameter include the first fuel mass flow rates of first circulation valve 110, establish fuel pressure
Third corresponding relationship between force signal and the first fuel mass flow rates of first circulation valve 110, to obtain first circulation valve
110 model.For example, please referring to Figure 11, f is the physical model figure of first circulation valve 110 in Figure 11.
According to sample data, obtains first circulation valve 110 and corresponding first followed in different fuel pressure signals
First fuel mass flow rates of ring valve 110 also can obtain fuel according to fuel pressure signal and the first fuel mass flow rates
The third corresponding relationship of pressure signal and the first fuel mass flow rates, to obtain the model of first circulation valve 110.First circulation
The connection relationship of valve 110 and other component is referred to discuss content above that details are not described herein again.
6th kind, when at least one component includes second circulation valve 107, establish the mode of at least one model are as follows:
It obtains sample in sample data and inputs parameter, sample input parameter includes the fuel pressure letter of first circulation valve 110
Number and sample output parameter, sample output parameter include the second fuel mass flow rates of second circulation valve 107, establish second
Third corresponding relationship between fuel pressure signal and the second fuel mass flow rates of second circulation valve 107, to obtain second
The model of circulating valve 107.The physical model figure of second circulation valve 107 and the physical model figure of first circulation valve 110 are similar.
7th kind, when at least one component includes the first solenoid valve 108, establish the mode of at least one model are as follows:
It obtains sample in sample data and inputs parameter, sample input parameter includes the first input electricity of the first solenoid valve 108
Signal and sample output parameter, sample output parameter include the third fuel mass flow rates of the first solenoid valve 108, establish combustion
The 4th corresponding relationship between pressure signal and the third fuel mass flow rates of the first solenoid valve 108 is expected, to obtain the first electricity
The model of magnet valve 108.For example, please referring to Figure 12, the e in Figure 12 indicates the first solenoid valve 108.
8th kind, when at least one component includes second solenoid valve 109, establish the mode of at least one model are as follows:
It obtains sample in sample data and inputs parameter, sample input parameter includes the second input electricity of second solenoid valve 109
Signal and sample output parameter, sample output parameter include the 4th fuel mass flow rates of second solenoid valve 109, establish combustion
The 5th corresponding relationship between pressure signal and the 4th fuel mass flow rates of second solenoid valve 109 is expected, to obtain the second electricity
The model of magnet valve 109.
It should be noted that at least one model may include the five kinds of models obtained by eight kinds of methods discussed above
Middle one or more.Below by taking at least one model includes obtaining five kinds of models by eight kinds of methods as an example, at least one
The operational process of model and true fuel compression system compares.
For example, Figure 13 is please referred to, the discharge pressure of the expectation exhaust end fuel of the second surge tank 112 in fuel compression system
Power, with when at least one model includes the model for all components discussed above, is compressed as shown in a figure in Figure 13 in setting
In the case where the fuel inlet pressure of machine 104, the discharge pressure of the fuel of the second surge tank 112 as figure b shown in.From Figure 13
In, it can be seen that the output of model is consistent with the operating condition of natural fuel compression system.
Figure 14 is please referred to, Figure 14 indicates the quality of fuel flow exported in fuel compression system.It can from Figure 14
The stable mass flow of the output of gas booster system can be rapidly realized at least one model.
It is executed before step 201 it should be noted that step 202 can be, is to first carry out step 201 and be in Fig. 2
Example, but actually conditioning step 202 does not execute sequence.
After performing step 202, the device for controlling fuel compression system executes step 203, i.e., inputs parameter for first
It is input at least one preset model, the first output corresponding with the first input parameter obtained in fuel compression system is joined
Number.
Wherein, the first output parameter includes the fuel inlet pressure in compressor 104, the fuel outlet in compressor 104
Fuel outlet pressure in temperature and compressor 104.Sample output parameter includes Fuel Outlet Temperature, fuel outlet pressure, pressure
The polytropic exponent of contracting machine, equivalent contact area, the first fuel mass flow rates of the first solenoid valve 108, second solenoid valve 109
One or more of two fuel mass flow rates.
Specifically, eight kinds of models have been noted above, the first different input parameters has been input in corresponding model,
The corresponding output parameter of input parameter can be obtained according to corresponding model.
For example, the first input parameter is the fuel inlet pressure in the fuel inlet temperature and compressor 104 in compressor 104
Power obtains in the model of compressor 104 then hereinbefore first way can be input to, thus according to compressor 104
Model calculates the fuel outlet pressure of compressor 104, the Fuel Outlet Temperature in compressor 104.
After executing step 203, the device of control fuel compression system executes step 204, however, it is determined that the first output ginseng
Number matches with default output parameter, then the operation of fuel compression system is controlled according to the first input parameter.
Specifically, default output parameter can be set by the user.If the first output parameter and default output ginseng
Number matches, then it is reasonable for verifying the first input parameter.Therefore, the device for controlling fuel compression system can be defeated by first
Enter actual input parameter of the parameter as fuel compression system, to control fuel compression system according to the first input parameter
Operation.
It should be noted that Fig. 6, Fig. 7, Figure 13 and Figure 14 but are not limited actually so that fuel is natural gas as an example
The concrete type of fuel.
Based on a kind of method for the control fuel compression system discussed above, the embodiment of the present application provides a kind of control fuel
The device of compression system, fuel compression system include the heat exchange for realizing coolant and fuel and are used to add fuel
The compressor of pressure, device include obtaining module 1501 and processing module 1502, in which:
Module 1501 is obtained, the first input parameter of setting is obtained, the first input parameter includes the pressure of fuel compression system
Fuel inlet temperature and fuel inlet pressure in contracting machine；
Processing module 1502 obtains fuel pressurization for the first input parameter to be input at least one preset model
The first output parameter corresponding with the first input parameter in system；Wherein, the first output parameter include Fuel Outlet Temperature and/
Or fuel outlet pressure, at least one model are used to indicate sample input parameter and sample in the sample data of fuel compression system
The corresponding relationship between sample output parameter in notebook data, sample input parameter include fuel inlet temperature in compressor and
Fuel inlet pressure, sample output parameter include Fuel Outlet Temperature and fuel outlet pressure in compressor；And
If it is determined that the first output parameter matches with default output parameter, then added according to the first input parameter to control fuel
The operation of pressure system.
In a kind of possible design, obtain module 1501, be also used to obtain in sample data sample input parameter and
Sample output parameter；
Processing module 1502 is also used to input parameter and sample output parameter according to sample, establish corresponding between
Relationship, corresponding relationship are at least one model of fuel compression system.
In a kind of possible design, according to the fuel inlet temperature in compressor, Fuel Outlet Temperature, fuel inlet pressure
Power and fuel outlet pressure, determine the polytropic exponent of compressor, polytropic exponent refer to compressor pressurize to fuel it is more
Parameter during change；
The first corresponding relationship between polytropic exponent and sample data is established, the first corresponding relationship is at least one model
The first model.
In a kind of possible design, sample data further includes in coolant inlet temperature and compressor in compressor
Wall surface temperature, processing module 1502 is specifically used for:
According to fuel inlet temperature, wall surface temperature and coolant outlet temperature, equivalent contact area, equivalent contact are obtained
Area is that coolant and fuel carry out the contact area in heat exchanging process within the compressor；
Establish the second corresponding relationship between equivalent contact area and fuel inlet temperature；Wherein, the second corresponding relationship is
The second model at least one model.
In a kind of possible design, fuel compression system includes intake valve and first circulation valve, the first of intake valve
It is connect with the fuel supply mouth of fuel compression system, second mouthful of intake valve connect with compressor into fuel port, intake valve
Third mouth is connect with the first of first circulation valve, and second mouthful of first circulation valve connect with compressor into fuel port, is recycled
The third mouth of valve is connect with the fuel discharge outlet of fuel compression system；Sample input parameter includes second mouthful of first circulation valve
Fuel pressure signal, sample output parameter include the first fuel mass flow rates of the first of first circulation valve, processing module
1502 are specifically used for:
The third corresponding relationship between fuel pressure signal and the first fuel mass flow rates is established, third corresponding relationship is extremely
Third model in a few model.
In a kind of possible design, fuel compression system includes solenoid valve, the first and first circulation valve of solenoid valve
First connection, second mouthful of solenoid valve connect with the fuel discharge outlet of fuel compression system, the third mouth of solenoid valve with press
Contracting machine goes out fuel port connection, and sample input parameter includes the input electrical signal of solenoid valve, and sample output parameter includes solenoid valve
Second mouthful of the second fuel mass flow rates, processing module 1502 is specifically used for:
The 4th corresponding relationship between input electrical signal and the second fuel mass flow rates is established, the 4th corresponding relationship is at least
The 4th model in one model.
Based on a kind of method for the control fuel compression system discussed above, the embodiment of the present application provides a kind of control fuel
The device of compression system, comprising:
At least one processor 1601, and
With the memory 1602 of at least one processor 1601 communication connection；
Wherein, memory 1602 is stored with the instruction that can be executed by least one processor 1601, at least one processor
1601 methods for realizing control fuel compression system as shown in Figure 2 by executing the instruction that memory 1602 stores.
It should be noted that Figure 16 is but not limit processor 1601 actually by taking a processor 1601 as an example
Quantity.
As one embodiment, the processing module 1502 in Figure 15 can be realized by the processor 1601 in Figure 16.
Based on a kind of method for the control fuel compression system discussed above, the embodiment of the present application provides computer-readable deposit
Storage media is stored with computer instruction, when computer instruction is run on computers, so that computer executes as shown in Figure 2
Control fuel compression system method.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of method for controlling fuel compression system, which is characterized in that the fuel compression system includes for realizing cooling
Agent and the heat exchange of fuel and the compressor for being used to pressurize to the fuel, which comprises
The first input parameter of setting is obtained, the first input parameter includes in the compressor of the fuel compression system
Fuel inlet temperature and fuel inlet pressure；
By it is described first input parameter be input at least one preset model, obtain in the fuel compression system with it is described
Corresponding first output parameter of first input parameter；Wherein, first output parameter includes Fuel Outlet Temperature and/or fuel
Outlet pressure, at least one described model be used to indicate sample input parameter in the sample data of the fuel compression system with
The corresponding relationship between sample output parameter in the sample data, the sample input parameter includes in the compressor
Fuel inlet temperature and fuel inlet pressure, the sample output parameter include Fuel Outlet Temperature and combustion in the compressor
Expect outlet pressure；
If it is determined that first output parameter matches with default output parameter, then according to the first input parameter to control
State the operation of fuel compression system.
2. the method as described in claim 1, which is characterized in that obtain the output parameter in the fuel compression system it
Before, comprising:
Obtain sample input parameter and the sample output parameter in the sample data；
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, it is described corresponding to close
System is at least one described model of the fuel compression system.
3. method according to claim 2, which is characterized in that input parameter and sample output ginseng according to the sample
Number, establish and between corresponding relationship, comprising:
According to fuel inlet temperature, Fuel Outlet Temperature, fuel inlet pressure and the fuel outlet pressure in the compressor, really
The polytropic exponent of the fixed compressor, the polytropic exponent refer to the compressor in the changeable mistake pressurizeed to the fuel
Parameter in journey；
Establish the first corresponding relationship between the polytropic exponent and the sample data, first corresponding relationship be it is described extremely
The first model in a few model.
4. method as claimed in claim 2 or claim 3, which is characterized in that the sample data further includes cold in the compressor
But the wall surface temperature in agent inlet temperature and the compressor inputs parameter and sample output ginseng according to the sample
Number, establish and between corresponding relationship, comprising:
According to the fuel inlet temperature, the wall surface temperature and the coolant outlet temperature, equivalent contact area is obtained,
The equivalent contact area is that the coolant and the fuel carry out the contact surface in heat exchanging process in the compressor
Product；
Establish the second corresponding relationship between the equivalent contact area and the fuel inlet temperature；Wherein, described second pair
It should be related to for the second model at least one described model.
5. method as claimed in claim 2 or claim 3, which is characterized in that the fuel compression system includes that intake valve and first follow
Ring valve, the first of the intake valve are connect with the fuel supply mouth of the fuel compression system, and second mouthful of the intake valve
With connecting into fuel port for the compressor, the third mouth of the intake valve is connect with the first of the first circulation valve, institute
It states second mouthful of first circulation valve to connect with the compressor into fuel port, third mouth and the fuel of the circulating valve add
The fuel discharge outlet of pressure system connects；The sample input parameter includes second mouthful of the fuel pressure letter of the first circulation valve
Number, the sample output parameter includes the first fuel mass flow rates of the first of the first circulation valve, in which:
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, comprising:
The third corresponding relationship between the fuel pressure signal and first fuel mass flow rates is established, the third is corresponding
Relationship is the third model at least one described model.
6. method as claimed in claim 5, which is characterized in that the fuel compression system includes solenoid valve, the solenoid valve
First connect with the first of the first circulation valve, second mouthful of the solenoid valve with the combustion of the fuel compression system
Expect outlet connection, the third mouth of the solenoid valve is connect with the fuel port that goes out of the compressor, and the sample inputs parameter packet
The input electrical signal of the solenoid valve is included, the sample output parameter includes second mouthful of the second fuel mass of the solenoid valve
Flow, in which:
Input parameter and the sample output parameter according to the sample, establish and between corresponding relationship, comprising:
Establish the 4th corresponding relationship between the input electrical signal and second fuel mass flow rates, the described 4th corresponding pass
System is the 4th model at least one described model.
7. a kind of device for controlling fuel compression system, which is characterized in that the fuel compression system includes for realizing cooling
Agent and the heat exchange of fuel and the compressor for being used to pressurize to the fuel, described device include obtaining module and processing mould
Block, in which:
The acquisition module obtains the first input parameter of setting, and the first input parameter includes the fuel compression system
The compressor in fuel inlet temperature and fuel inlet pressure；
The processing module obtains the fuel for the first input parameter to be input at least one preset model
The first output parameter corresponding with the first input parameter in compression system；Wherein, first output parameter includes combustion
Expect outlet temperature and/or fuel outlet pressure, at least one described model is used to indicate the sample number of the fuel compression system
Corresponding relationship between sample input parameter in and the sample output parameter in the sample data, the sample input ginseng
Several includes the fuel inlet temperature in the compressor and fuel inlet pressure, the sample output parameter include the compressor
In Fuel Outlet Temperature and fuel outlet pressure；And
If it is determined that first output parameter matches with default output parameter, then according to the first input parameter to control
State the operation of fuel compression system.
8. device as claimed in claim 7, which is characterized in that
The acquisition module is also used to obtain sample input parameter and sample output parameter in the sample data；
The processing module is also used to input parameter and the sample output parameter according to the sample, establish and between
Corresponding relationship, the corresponding relationship are at least one described model of the fuel compression system.
9. a kind of device for controlling fuel compression system characterized by comprising
At least one processor, and
The memory being connect at least one described processor communication；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, at least one described processor
Such as method of any of claims 1-6 is realized in instruction by executing the memory storage.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, when the computer instruction is run on computers, so that computer is executed as of any of claims 1-6
Method.
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