CN105628387A - Debugging method for regulating test bed air intake state parameters through prediction control method - Google Patents

Abstract

The invention discloses a debugging method for regulating test bed air intake state parameters through a prediction control method. The debugging types include no-load debugging and on-load debugging. The on-load debugging comprises the following steps that an air intake pressure regulating valve, a heater fuel ratio regulating valve, an engine fuel ratio throttle valve and a liquid oxygen flow regulating valve are debugged in turn according to the control quantity of single parameters obtained through the prediction control method. Compared with methods in the prior art, the overall performance of a test bed can be mastered, test cost can be reduced and test efficiency can be enhanced by the debugging method for regulating the test bed air intake state parameters through the prediction control method.

Description

Predictive control method is adopted to regulate the adjustment method of test run platform air-suction state parameter

Technical field

The present invention relates to a kind of adjustment method adopting predictive control method to regulate test run platform air-suction state parameter.

Background technology

At present, during testing of engine, it is desired to one group of air inlet parameter of state point, comprises air inlet and always press, Induction air flow, air inlet oxygen composition, and air inlet is always warm, engine oil oil amount, reach set(ting)value simultaneously and stable after, record its performances and parameters or examine its performance. But, before testing of engine, it is necessary to test run platform is debugged, to determine whether the performance of test run platform can meet the test requirements document of engine, in test run platform is debugged, the debugging of inlet system is important component part, but, for the adjustment method adopting predictive control method to regulate test run platform air-suction state parameter, still there is no ripe adjustment method at present, which results in cannot the overall performance grasping test run platform, thus add the simulation time, it is to increase experimentation cost.

Summary of the invention

It is an object of the invention to the defect in order to overcome the existence of above-mentioned prior art and provide a kind of adjustment method adopting predictive control method to regulate test run platform air-suction state parameter.

The object of the present invention can be achieved through the following technical solutions:

Adopting predictive control method to regulate an adjustment method for test run platform air-suction state parameter, the type of described debugging comprises unloaded debugging, band load debugging, and the load debugging of described band, comprises the steps:

1) manipulated variable of the single parameter, by predictive control method drawn, debugging inlet pressure adjusting valve;

2) manipulated variable of the single parameter, by predictive control method drawn, debugging well heater fuel ratio variable valve

3) manipulated variable of the single parameter, by predictive control method drawn, debugging motor spirit proportional throttle valve

4) manipulated variable of the single parameter, by predictive control method drawn, debugging liquid oxygen stream adjustable valve.

Described predictive control method, comprises the steps:

1), air inlet according to current state point is always pressed, Induction air flow, oxygen supplying flow, air inlet is always warm, and engine oil oil amount, always presses with the air inlet of required simulation state point, Induction air flow, oxygen supplying flow, air inlet is always warm, and the difference of the set(ting)value of engine oil oil amount calculates the manipulated variable of single parameter by inlet system status point parameter system of equations;

2), according to described step 1) in the manipulated variable of single parameter that calculates, the aperture of each valve of the above-mentioned parameter of regulable control, making when subsequent cycle starts, the aperture setting each valve meets described step 1) in the manipulated variable of single parameter that calculates;

3) repeating said steps 1) and step 2) until simulation precision meets requirement;

Described inlet system status point parameter system of equations is:

q_mi=q_ma+q_mo+q_mj

$q_{mi}=0.0404\frac{p_{ti}{A}_i}{\sqrt{T_{ti}}}q\left({\mathrm{\λ}}_i\right)$

$T_{ti}=T_{ti0}+\frac{{\mathrm{\ηq}}_{mj}{Q}_j}{{\mathrm{\αq}}_{mi}{c}_p}$

$q_{ma}=287C_V\sqrt{\frac{(p_{sa}-p_{t2})(p_{sa}+p_{t2})}{{\mathrm{\γT}}_{0a}}}$

p_ti=p_t2+��p_t2

$T_{ti0}=\frac{q_{ma}{T}_{sa}{c}_{pa}{|}_{T=T_{sa}}+q_{mo}{T}_{so}{c}_{po}{|}_{T=T_{so}}-q_{mo}{Q}_o}{q_{ma}{c}_{pa}{|}_{T=T_{ti}}+q_{mo}{c}_{po}{|}_{T=T_{ti0}}}$

$\mathrm{\α}=(q_{ma}+q_{mo})/q_{mj}{L}_j^0$

$q_{mo}=\frac{21\%}{1-21\%}\[q_{ma}+q_{mj}-(\mathrm{\α}-1)q_{ma}\]$

In described inlet system status point parameter system of equations, q_miFor air inlet flow, q_maFor by the mass rate of inlet pressure adjusting valve, q_moFor oxygen supplying flow, q_mjFor well heater fuel supply flow rate, p_tiFor air inlet is always pressed, A_iFor intake area, T_tiFor air inlet is always warm, q (��_i) it is computing nodes Ventialtion rate, T_ti0For current air inlet is always warm, �� is efficiency of combustion, Q_jFor the well heater fuel feeding latent heat of vaporization, �� is overfire air coefficient, C_pFor combustion gas specific heat at constant pressure, C_vFor the valve flow coefficient of inlet pressure adjusting valve, P_saFor bleed pressure, p_t2For air control valve downstream pressure, �� is Air quality proportion, T_0aFor air source temperature, �� P_t2For pipeline pressure loss, T_saFor mixing front air themperature, C_paFor pressurization by compressed air specific heat, T_soFor mixing front oxygenating temperature, C_poFor oxygen specific heat at constant pressure, Q₀For the well heater fuel feeding latent heat of vaporization,For chemically correct fuel;

In described inlet system status point parameter system of equations, the Induction air flow of known current state point, the oxygen supplying flow of current state point, the well heater fuel supply flow rate of current state point, the air inlet of current state point is always pressed, the air inlet of current state point is always warm, the current air inlet of current state point is always warm, the overfire air coefficient of current state point, always press with the air inlet of required simulation state point, the air inlet of required simulation state point is always warm, solve the air inlet with required simulation state point always press the air inlet with required simulation state point always temperature corresponding needed for simulate the Induction air flow of state point, the oxygen supplying flow of required simulation state point, the well heater fuel supply flow rate of required simulation state point.

The commissioning content of described inlet pressure adjusting valve comprise determine inlet pressure adjusting valve flow-open degree characteristic curve, stagnation point, resolving power, repeatability precision, load pressure filling time verifying, load pressure fall-off curve; The resolving power of described inlet pressure adjusting valve is make flow or intake pressure that controlling opening of valve changing value effective, minimum change occur, and described load pressure drop is the difference that inlet pressure adjusting valve downstream pressure and intake simulation are always pressed.

Determine the method for inlet pressure adjusting valve flow-open degree characteristic curve, comprise the steps:

1), by pressure and downstream pressure before the mass rate of inlet pressure adjusting valve and valve, Media density, the relation of temperature, valve nominal area, valve opening, by formula

$C_v=\frac{Q}{287}\sqrt{\frac{{\mathrm{\&gamma;}}_1{T}_0}{(p_1-p_2)(p_1+p_2)}},(p_1-p_2)<p_1/2$ Time

$C_v=\frac{Q}{249p_1}\sqrt{{\mathrm{\&gamma;}}_1{T}_0},(p_1-p_2)\&GreaterEqual;p_1/2$ Time

With qma=Q ��_aObtain:

$qma=K_a{C}_v{A}_a{\mathrm{\&rho;}}_a{p}_1\sqrt{\frac{C_{p1}{\mathrm{\&gamma;}}_1\&lsqb;1-{(1-\frac{\mathrm{\&Delta;}p}{p_1})}^2\&rsqb;}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p<{\mathrm{\&beta;}}_p{p}_1)$

$qma=K_a{C}_v{A}_a{\mathrm{\&rho;}}_a{p}_1\sqrt{\frac{C_{p1}{\mathrm{\&gamma;}}_1}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p\&GreaterEqual;{\mathrm{\&beta;}}_p{p}_1);$

In above-mentioned formula, C_VFor the valve flow coefficient of inlet pressure adjusting valve, Q is the volumetric flow rate by inlet pressure adjusting valve, ��₁For medium proportion, T₀For air themperature, p₁For pressure before inlet pressure adjusting valve valve, p₂For inlet pressure adjusting valve downstream pressure, qma is the mass rate by inlet pressure adjusting valve, ��_aFor Media density, K_aFor the valve opening of inlet pressure adjusting valve, A_aFor the valve nominal area of inlet pressure adjusting valve, c_p1For medium specific heat at constant pressure, R is gas law constant, T_aFor medium temperature, �� p is the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve;

Wherein, the valve nominal area of inlet pressure adjusting valve, Media density, medium specific heat at constant pressure, medium proportion is constant;

2), measuring the medium temperature of gained, before pressure before inlet pressure adjusting valve valve, inlet pressure adjusting valve downstream pressure and valve, the pressure reduction of pressure is as parameter, using the valve opening of inlet pressure adjusting valve as independent variable(s);

3) taking the 85% of design of gas source pressure as the upper limit, before required minimum inlet pressure adjusting valve valve, pressure is as lower limit, it is divided into some pressure spots by the pressure between 85% of pressure gentle source design pressure before required minimum inlet pressure adjusting valve valve, under each pressure spot, by inlet pressure adjusting valve by 10%��90%, the positive reversal of stroke of the aperture at interval 10% opens three times, record pressure before the inlet pressure adjusting valve valve of each aperture under each pressure, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and by the mass rate of inlet pressure adjusting valve, by pressure before the inlet pressure adjusting valve valve of each aperture under each pressure of above-mentioned record, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and taken the mean by 3 data of the mass rate of inlet pressure adjusting valve, matching inlet pressure adjusting valve flow-open degree characteristic curve.

Determine the method for inlet pressure adjusting valve stagnation point, the steps include: that pressure is fixed in the valve opening change procedure with inlet pressure adjusting valve before inlet pressure adjusting valve valve, when critical flow occurring under the valve opening of certain inlet pressure adjusting valve, then the valve opening of inlet pressure adjusting valve is progressively reduced, until not proportional by pressure before the mass rate of inlet pressure adjusting valve and inlet pressure adjusting valve valve, the inlet pressure adjusting valve downstream pressure thus put can determine inlet pressure adjusting valve stagnation point.

The commissioning content of the adjustment method of motor spirit proportional throttle valve comprises flow-aperture curve, resolving power and the repeatability precision of determining described motor spirit proportional throttle valve; The resolving power of described motor spirit proportional throttle valve is make flow that valve opening changing value effective, minimum change occur.

Determine the method for motor spirit proportional throttle valve flow-open degree characteristic curve, comprise the steps:

1), only relevant with the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, working medium density, valve nominal area, valve opening by the mass rate of motor spirit proportional throttle valve, by formula

$q_m=K_b{C}_{Vj}{A}_b\sqrt{\frac{{\mathrm{\&Delta;p}}_j{\mathrm{\&rho;}}_b}{g}}$

Determine the mass rate of motor spirit proportional throttle valve and the relation of the valve opening of motor spirit proportional throttle valve;

In above-mentioned formula, qm is the mass rate by motor spirit proportional throttle valve, K_bFor the valve opening of motor spirit proportional throttle valve, C_VjFor the valve flow coefficient of motor spirit proportional throttle valve, A_bFor motor spirit proportional throttle valve valve nominal area, �� p_iFor the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, ��_bFor working medium density, g is universal gravity constant, and it is known constant;

2), using the valve nominal area of motor spirit proportional throttle valve, working medium density as constant, using the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve as parameter, using the valve opening of motor spirit proportional throttle valve as independent variable(s);

3), under any operative pressure of test run platform inlet system, all can produce the pressure reduction of pressure before a motor spirit proportional throttle valve downstream pressure and valve, for the pressure reduction of pressure before any one motor spirit proportional throttle valve downstream pressure and valve, by the valve opening of motor spirit proportional throttle valve from 5%, 10%, 15%, ..., 90%, 95% opens three times, carry out hydrojet test, record the mass rate by motor spirit proportional throttle valve, the mass rate of three the motor spirit proportional throttle valves each valve opening recorded is averaged, as the mass rate of effective motor spirit proportional throttle valve, and then calculate motor spirit proportional throttle valve orifice coefficient, flow-aperture the curve of matching motor spirit proportional throttle valve simultaneously.

Described zero load debugging and band load debugging can replace with simulation cylinder.

Described predictive control method is used for direct-connected test run platform.

Described predictive control method can be used for direct-connected test run platform for engine condition point intake simulation.

The invention has the beneficial effects as follows, compared with prior art, employing predictive control method provided by the invention regulates the adjustment method of test run platform air-suction state parameter, it is possible to the overall performance grasping test run platform, reduces experimentation cost, it is to increase test efficiency.

Embodiment

Adopting predictive control method to regulate an adjustment method for test run platform air-suction state parameter, the type of described debugging comprises unloaded debugging, band load debugging, and the load debugging of described band, comprises the steps:

1) manipulated variable of the single parameter, by predictive control method drawn, debugging inlet pressure adjusting valve;

2) manipulated variable of the single parameter, by predictive control method drawn, debugging well heater fuel ratio variable valve

3) manipulated variable of the single parameter, by predictive control method drawn, debugging motor spirit proportional throttle valve

4) manipulated variable of the single parameter, by predictive control method drawn, debugging liquid oxygen stream adjustable valve.

Described predictive control method, comprises the steps:

1), air inlet according to current state point is always pressed, Induction air flow, oxygen supplying flow, air inlet is always warm, and engine oil oil amount, always presses with the air inlet of required simulation state point, Induction air flow, oxygen supplying flow, air inlet is always warm, and the difference of the set(ting)value of engine oil oil amount calculates the manipulated variable of single parameter by inlet system status point parameter system of equations;

2), according to described step 1) in the manipulated variable of single parameter that calculates, the aperture of each valve of the above-mentioned parameter of regulable control, making when subsequent cycle starts, the aperture setting each valve meets described step 1) in the manipulated variable of single parameter that calculates;

3) repeating said steps 1) and step 2) until simulation precision meets requirement;

Described inlet system status point parameter system of equations is:

q_mi=q_ma+q_mo+q_mj

$q_{mi}=0.0404\frac{p_{ti}{A}_i}{\sqrt{T_{ti}}}q\left({\mathrm{\&lambda;}}_i\right)$

$T_{ti}=T_{ti0}+\frac{{\mathrm{\&eta;q}}_{mj}{Q}_j}{{\mathrm{\&alpha;q}}_{mi}{c}_p}$

$q_{ma}=287C_V\sqrt{\frac{(p_{sa}-p_{t2})(p_{sa}+p_{t2})}{{\mathrm{\&gamma;T}}_{0a}}}$

p_ti=p_t2+��p_t2

$T_{ti0}=\frac{q_{ma}{T}_{sa}{c}_{pa}{|}_{T=T_{sa}}+q_{mo}{T}_{so}{c}_{po}{|}_{T=T_{so}}-q_{mo}{Q}_o}{q_{ma}{c}_{pa}{|}_{T=T_{ti0}}+q_{mo}{c}_{po}{|}_{T=T_{ti0}}}$

$\mathrm{\&alpha;}=(q_{ma}+q_{mo})/q_{mj}{L}_j^0$

$q_{mo}=\frac{21\%}{1-21\%}\&lsqb;q_{ma}+q_{mj}-(\mathrm{\&alpha;}-1)q_{ma}\&rsqb;$

In described inlet system status point parameter system of equations, q_miFor air inlet flow, q_maFor by the mass rate of inlet pressure adjusting valve, q_moFor oxygen supplying flow, q_mjFor well heater fuel supply flow rate, p_tiFor air inlet is always pressed, A_iFor intake area, T_tiFor air inlet is always warm, q (��_i) it is computing nodes Ventialtion rate, T_ti0For current air inlet is always warm, �� is efficiency of combustion, Q_jFor the well heater fuel feeding latent heat of vaporization, �� is overfire air coefficient, C_pFor combustion gas specific heat at constant pressure, C_vFor the valve flow coefficient of inlet pressure adjusting valve, P_saFor bleed pressure, p_t2For air control valve downstream pressure, �� is Air quality proportion, T_0aFor air source temperature, �� P_t2For pipeline pressure loss, T_saFor mixing front air themperature, C_paFor pressurization by compressed air specific heat, T_soFor mixing front oxygenating temperature, C_poFor oxygen specific heat at constant pressure, Q₀For the well heater fuel feeding latent heat of vaporization,For chemically correct fuel;

In described inlet system status point parameter system of equations, the Induction air flow of known current state point, the oxygen supplying flow of current state point, the well heater fuel supply flow rate of current state point, the air inlet of current state point is always pressed, the air inlet of current state point is always warm, the current air inlet of current state point is always warm, the overfire air coefficient of current state point, always press with the air inlet of required simulation state point, the air inlet of required simulation state point is always warm, solve the air inlet with required simulation state point always press the air inlet with required simulation state point always temperature corresponding needed for simulate the Induction air flow of state point, the oxygen supplying flow of required simulation state point, the well heater fuel supply flow rate of required simulation state point.

The commissioning content of described inlet pressure adjusting valve comprise determine inlet pressure adjusting valve flow-open degree characteristic curve, stagnation point, resolving power, repeatability precision, load pressure filling time verifying, load pressure fall-off curve; The resolving power of described inlet pressure adjusting valve is make flow or intake pressure that controlling opening of valve changing value effective, minimum change occur, and described load pressure drop is the difference that inlet pressure adjusting valve downstream pressure and intake simulation are always pressed.

Determine the method for inlet pressure adjusting valve flow-open degree characteristic curve, comprise the steps:

1), by pressure and downstream pressure before the mass rate of inlet pressure adjusting valve and valve, Media density, the relation of temperature, valve nominal area, valve opening, by formula

$C_v=\frac{Q}{287}\sqrt{\frac{{\mathrm{\&gamma;}}_1{T}_0}{(p_1-p_2)(p_1+p_2)}},(p_1-p_2)<p_1/2$ Time

$C_v=\frac{Q}{249p_1}\sqrt{{\mathrm{\&gamma;}}_1{T}_0},(p_1-p_2)\&GreaterEqual;p_1/2$ Time

With qma=Q ��_aObtain:

$qma=K_a{C}_v{A}_a{\mathrm{\&rho;}}_a{p}_1\sqrt{\frac{C_{p1}{\mathrm{\&gamma;}}_1\&lsqb;1-{(1-\frac{\mathrm{\&Delta;}p}{p_1})}^2\&rsqb;}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p<{\mathrm{\&beta;}}_p{p}_1)$

$qma=K_a{C}_v{A}_a{\mathrm{\&rho;}}_a{p}_1\sqrt{\frac{c_{p1}{\mathrm{\&gamma;}}_1}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p\&GreaterEqual;{\mathrm{\&beta;}}_p{p}_1);$

In above-mentioned formula, C_VFor the valve flow coefficient of inlet pressure adjusting valve, Q is the volumetric flow rate by inlet pressure adjusting valve, ��₁For medium proportion, T₀For air themperature, p₁For pressure before inlet pressure adjusting valve valve, p₂For inlet pressure adjusting valve downstream pressure, qma is the mass rate by inlet pressure adjusting valve, ��_aFor Media density, K_aFor the valve opening of inlet pressure adjusting valve, A_aFor the valve nominal area of inlet pressure adjusting valve, c_p1For medium specific heat at constant pressure, R is gas law constant, T_aFor medium temperature, �� p is the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve;

Wherein, the valve nominal area of inlet pressure adjusting valve, Media density, medium specific heat at constant pressure, medium proportion is constant;

2), measuring the medium temperature of gained, before pressure before inlet pressure adjusting valve valve, inlet pressure adjusting valve downstream pressure and valve, the pressure reduction of pressure is as parameter, using the valve opening of inlet pressure adjusting valve as independent variable(s);

3) taking the 85% of design of gas source pressure as the upper limit, before required minimum inlet pressure adjusting valve valve, pressure is as lower limit, it is divided into some pressure spots by the pressure between 85% of pressure gentle source design pressure before required minimum inlet pressure adjusting valve valve, under each pressure spot, by inlet pressure adjusting valve by 10%��90%, the positive reversal of stroke of the aperture at interval 10% opens three times, record pressure before the inlet pressure adjusting valve valve of each aperture under each pressure, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and by the mass rate of inlet pressure adjusting valve, by pressure before the inlet pressure adjusting valve valve of each aperture under each pressure of above-mentioned record, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and taken the mean by 3 data of the mass rate of inlet pressure adjusting valve, matching inlet pressure adjusting valve flow-open degree characteristic curve.

Determine the method for inlet pressure adjusting valve stagnation point, the steps include: that pressure is fixed in the valve opening change procedure with inlet pressure adjusting valve before inlet pressure adjusting valve valve, when critical flow occurring under the valve opening of certain inlet pressure adjusting valve, then the valve opening of inlet pressure adjusting valve is progressively reduced, until not proportional by pressure before the mass rate of inlet pressure adjusting valve and inlet pressure adjusting valve valve, the inlet pressure adjusting valve downstream pressure thus put can determine inlet pressure adjusting valve stagnation point.

The commissioning content of the adjustment method of motor spirit proportional throttle valve comprises flow-aperture curve, resolving power and the repeatability precision of determining described motor spirit proportional throttle valve; The resolving power of described motor spirit proportional throttle valve is make flow that valve opening changing value effective, minimum change occur.

Determine the method for motor spirit proportional throttle valve flow-open degree characteristic curve, comprise the steps:

1), only relevant with the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, working medium density, valve nominal area, valve opening by the mass rate of motor spirit proportional throttle valve, by formula

$q_m=K_b{C}_{Vj}{A}_b\sqrt{\frac{{\mathrm{\&Delta;p}}_j{\mathrm{\&rho;}}_b}{g}}$

Determine the mass rate of motor spirit proportional throttle valve and the relation of the valve opening of motor spirit proportional throttle valve;

In above-mentioned formula, qm is the mass rate by motor spirit proportional throttle valve, K_bFor the valve opening of motor spirit proportional throttle valve, C_VjFor the valve flow coefficient of motor spirit proportional throttle valve, A_bFor motor spirit proportional throttle valve valve nominal area, �� p_jFor the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, ��_bFor working medium density, g is universal gravity constant, and it is known constant;

2), using the valve nominal area of motor spirit proportional throttle valve, working medium density as constant, using the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve as parameter, using the valve opening of motor spirit proportional throttle valve as independent variable(s);

3), under any operative pressure of test run platform inlet system, all can produce the pressure reduction of pressure before a motor spirit proportional throttle valve downstream pressure and valve, for the pressure reduction of pressure before any one motor spirit proportional throttle valve downstream pressure and valve, by the valve opening of motor spirit proportional throttle valve from 5%, 10%, 15%, ..., 90%, 95% opens three times, carry out hydrojet test, record the mass rate by motor spirit proportional throttle valve, the mass rate of three the motor spirit proportional throttle valves each valve opening recorded is averaged, as the mass rate of effective motor spirit proportional throttle valve, and then calculate motor spirit proportional throttle valve orifice coefficient, flow-aperture the curve of matching motor spirit proportional throttle valve simultaneously.

Described zero load debugging and band load debugging can replace with simulation cylinder.

Described predictive control method is used for direct-connected test run platform.

Described predictive control method can be used for direct-connected test run platform for engine condition point intake simulation.

What finally illustrate is, above embodiment is only unrestricted for illustration of the technical scheme of the present invention, although with reference to preferred embodiment to invention has been detailed explanation, the technician of this area is to be understood that, the technical scheme of the present invention can be modified and it is equal to replacement, and not departing from objective and the scope of technical solution of the present invention, it all should be encompassed in the middle of the right of the present invention.

Claims (10)

1. one kind adopts the adjustment method of predictive control method adjustment test run platform air-suction state parameter, it is characterised in that, the type of described debugging comprises unloaded debugging, band load debugging, and described band carries debugging, comprises the steps:

1) manipulated variable of the single parameter, by predictive control method drawn, debugging inlet pressure adjusting valve;

2) manipulated variable of the single parameter, by predictive control method drawn, debugging well heater fuel ratio variable valve

3) manipulated variable of the single parameter, by predictive control method drawn, debugging motor spirit proportional throttle valve

4) manipulated variable of the single parameter, by predictive control method drawn, debugging liquid oxygen stream adjustable valve.

2. employing predictive control method according to claim 1 regulates the adjustment method of test run platform air-suction state parameter, it is characterised in that, described predictive control method, comprises the steps:

1), air inlet according to current state point is always pressed, Induction air flow, oxygen supplying flow, air inlet is always warm, and engine oil oil amount, always presses with the air inlet of required simulation state point, Induction air flow, oxygen supplying flow, air inlet is always warm, and the difference of the set(ting)value of engine oil oil amount calculates the manipulated variable of single parameter by inlet system status point parameter system of equations;

2), according to described step 1) in the manipulated variable of single parameter that calculates, the aperture of each valve of the above-mentioned parameter of regulable control, making when subsequent cycle starts, the aperture setting each valve meets described step 1) in the manipulated variable of single parameter that calculates;

3) repeating said steps 1) and step 2) until simulation precision meets requirement;

Described inlet system status point parameter system of equations is:

q_mi=q_ma+q_mo+q_mj

$q_{mi}=0.0404\frac{p_{ti}{A}_i}{\sqrt{T_{ti}}}q\left({\mathrm{\&lambda;}}_i\right)$

$T_{ti}=T_{ti0}+\frac{{\mathrm{\&eta;q}}_{mj}{Q}_j}{{\mathrm{\&alpha;q}}_{mi}{c}_p}$

$q_{ma}=287C_V\sqrt{\frac{(p_{sa}-p_{t2})(p_{sa}+o_{t2})}{{\mathrm{\&gamma;T}}_{0a}}}$

p_ti=p_t2+��p_t2

$T_{ti0}=\frac{q_{ma}{T}_{sa}{c}_{pa}{|}_{T=T_{sa}}+q_{mo}{T}_{so}{c}_{po}{|}_{T=T_{so}}-q_{mo}{Q}_o}{q_{ma}{c}_{pa}{|}_{T=T_{ti0}}+q_{mo}{c}_{po}{|}_{T=T_{ti0}}}$

$\mathrm{\&alpha;}=(q_{ma}+q_{mo})/q_{mj}{L}_j^0$

$q_{mo}=\frac{21\%}{1-21\%}\&lsqb;q_{ma}+q_{mj}-(\mathrm{\&alpha;}-1)q_{ma}\&rsqb;$

In described inlet system status point parameter system of equations, q_miFor air inlet flow, q_maFor by the mass rate of inlet pressure adjusting valve, q_moFor oxygen supplying flow, q_mjFor well heater fuel supply flow rate, p_tiFor air inlet is always pressed, A_iFor intake area, T_tiFor air inlet is always warm, q (��_i) it is computing nodes Ventialtion rate, T_ti0For current air inlet is always warm, �� is efficiency of combustion, Q_jFor the well heater fuel feeding latent heat of vaporization, �� is overfire air coefficient, C_pFor combustion gas specific heat at constant pressure, C_vFor the valve flow coefficient of inlet pressure adjusting valve, P_saFor bleed pressure, p_t2For air control valve downstream pressure, �� is Air quality proportion, T_0aFor air source temperature, �� P_t2For pipeline pressure loss, T_saFor mixing front air themperature, C_paFor pressurization by compressed air specific heat, T_soFor mixing front oxygenating temperature, C_poFor oxygen specific heat at constant pressure, Q₀For the well heater fuel feeding latent heat of vaporization,For chemically correct fuel;

In described inlet system status point parameter system of equations, the Induction air flow of known current state point, the oxygen supplying flow of current state point, the well heater fuel supply flow rate of current state point, the air inlet of current state point is always pressed, the air inlet of current state point is always warm, the current air inlet of current state point is always warm, the overfire air coefficient of current state point, always press with the air inlet of required simulation state point, the air inlet of required simulation state point is always warm, solve the air inlet with required simulation state point always press the air inlet with required simulation state point always temperature corresponding needed for simulate the Induction air flow of state point, the oxygen supplying flow of required simulation state point, the well heater fuel supply flow rate of required simulation state point.

3. employing predictive control method according to claim 1 regulates the adjustment method of test run platform air-suction state parameter, it is characterized in that, the commissioning content of described inlet pressure adjusting valve comprise determine inlet pressure adjusting valve flow-open degree characteristic curve, stagnation point, resolving power, repeatability precision, load pressure filling time verifying, load pressure fall-off curve; The resolving power of described inlet pressure adjusting valve is make flow or intake pressure that controlling opening of valve changing value effective, minimum change occur, and described load pressure drop is the difference that inlet pressure adjusting valve downstream pressure and intake simulation are always pressed.

4. employing predictive control method according to claim 3 regulates the adjustment method of test run platform air-suction state parameter, it is characterised in that, it is determined that the method for inlet pressure adjusting valve flow-open degree characteristic curve, comprises the steps:

1), by pressure and downstream pressure before the mass rate of inlet pressure adjusting valve and valve, Media density, the relation of temperature, valve nominal area, valve opening, by formula

$C_v=\frac{Q}{287}\sqrt{\frac{{\mathrm{\&gamma;}}_1{T}_0}{(p_1-p_2)(p_1+p_2)}},(p_1-p_2)<p_1/2$ Time

$C_v=\frac{Q}{249p_1}\sqrt{{\mathrm{\&gamma;}}_1{T}_0},(p_1-p_2)\&GreaterEqual;p_1/2$ Time

With qma=Q ��_aObtain:

$qma=\begin{array}{ccccc}{K}_a& C_v& A_a& {\mathrm{\&rho;}}_a& p_1\end{array}\sqrt{\frac{c_{p1}{\mathrm{\&gamma;}}_1\&lsqb;1-{(1-\frac{\mathrm{\&Delta;}p}{p_1})}^2\&rsqb;}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p<{\mathrm{\&beta;}}_p{p}_1)$

$qma=\begin{array}{ccccc}{K}_a& C_v& A_a& {\mathrm{\&rho;}}_a& p_1\end{array}\sqrt{\frac{c_{p1}{\mathrm{\&gamma;}}_1}{2{\mathrm{RT}}_a}},(\mathrm{\&Delta;}p\&GreaterEqual;{\mathrm{\&beta;}}_p{p}_1);$

In above-mentioned formula, C_VFor the valve flow coefficient of inlet pressure adjusting valve, Q is the volumetric flow rate by inlet pressure adjusting valve, ��₁For medium proportion, T₀For air themperature, p₁For pressure before inlet pressure adjusting valve valve, p₂For inlet pressure adjusting valve downstream pressure, qma is the mass rate by inlet pressure adjusting valve, ��_aFor Media density, K_aFor the valve opening of inlet pressure adjusting valve, A_aFor the valve nominal area of inlet pressure adjusting valve, c_p1For medium specific heat at constant pressure, R is gas law constant, T_aFor medium temperature, �� p is the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve;

Wherein, the valve nominal area of inlet pressure adjusting valve, Media density, medium specific heat at constant pressure, medium proportion is constant;

2), measuring the medium temperature of gained, before pressure before inlet pressure adjusting valve valve, inlet pressure adjusting valve downstream pressure and valve, the pressure reduction of pressure is as parameter, using the valve opening of inlet pressure adjusting valve as independent variable(s);

3) taking the 85% of design of gas source pressure as the upper limit, before required minimum inlet pressure adjusting valve valve, pressure is as lower limit, it is divided into some pressure spots by the pressure between 85% of pressure gentle source design pressure before required minimum inlet pressure adjusting valve valve, under each pressure spot, by inlet pressure adjusting valve by 10%��90%, the positive reversal of stroke of the aperture at interval 10% opens three times, record pressure before the inlet pressure adjusting valve valve of each aperture under each pressure, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and by the mass rate of inlet pressure adjusting valve, by pressure before the inlet pressure adjusting valve valve of each aperture under each pressure of above-mentioned record, the pressure reduction of pressure before inlet pressure adjusting valve downstream pressure and valve, and taken the mean by 3 data of the mass rate of inlet pressure adjusting valve, matching inlet pressure adjusting valve flow-open degree characteristic curve.

5. employing predictive control method according to claim 4 regulates the adjustment method of test run platform air-suction state parameter, it is characterized in that, determine the method for inlet pressure adjusting valve stagnation point, the steps include: that pressure is fixed in the valve opening change procedure with inlet pressure adjusting valve before inlet pressure adjusting valve valve, when critical flow occurring under the valve opening of certain inlet pressure adjusting valve, then the valve opening of inlet pressure adjusting valve is progressively reduced, until it is not proportional by pressure before the mass rate of inlet pressure adjusting valve and inlet pressure adjusting valve valve, the inlet pressure adjusting valve downstream pressure thus put can determine inlet pressure adjusting valve stagnation point.

6. employing predictive control method according to claim 1 regulates the adjustment method of test run platform air-suction state parameter, it is characterized in that, the commissioning content of the adjustment method of motor spirit proportional throttle valve comprises flow-aperture curve, resolving power and the repeatability precision of determining described motor spirit proportional throttle valve; The resolving power of described motor spirit proportional throttle valve is make flow that valve opening changing value effective, minimum change occur.

7. employing predictive control method according to claim 6 regulates the adjustment method of test run platform air-suction state parameter, it is characterised in that, it is determined that the method for motor spirit proportional throttle valve flow-open degree characteristic curve, comprises the steps:

1), only relevant with the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, working medium density, valve nominal area, valve opening by the mass rate of motor spirit proportional throttle valve, by formula

$q_m=K_b{C}_{Vj}{A}_b\sqrt{\frac{{\mathrm{\&Delta;p}}_j{\mathrm{\&rho;}}_b}{g}}$

Determine the mass rate of motor spirit proportional throttle valve and the relation of the valve opening of motor spirit proportional throttle valve;

In above-mentioned formula, qm is the mass rate by motor spirit proportional throttle valve, K_bFor the valve opening of motor spirit proportional throttle valve, C_VjFor the valve flow coefficient of motor spirit proportional throttle valve, A_bFor motor spirit proportional throttle valve valve nominal area, �� p_jFor the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve, ��_bFor working medium density, g is universal gravity constant, and it is known constant;

2), using the valve nominal area of motor spirit proportional throttle valve, working medium density as constant, using the pressure reduction of pressure before motor spirit proportional throttle valve downstream pressure and valve as parameter, using the valve opening of motor spirit proportional throttle valve as independent variable(s);

3), under any operative pressure of test run platform inlet system, all can produce the pressure reduction of pressure before a motor spirit proportional throttle valve downstream pressure and valve, for the pressure reduction of pressure before any one motor spirit proportional throttle valve downstream pressure and valve, by the valve opening of motor spirit proportional throttle valve from 5%, 10%, 15%, 90%, 95% opens three times, carry out hydrojet test, record the mass rate by motor spirit proportional throttle valve, the mass rate of three the motor spirit proportional throttle valves each valve opening recorded is averaged, as the mass rate of effective motor spirit proportional throttle valve, and then calculate motor spirit proportional throttle valve orifice coefficient, flow-aperture the curve of matching motor spirit proportional throttle valve simultaneously.

8. employing predictive control method according to claim 1 regulates the adjustment method of test run platform air-suction state parameter, it is characterised in that, described zero load debugging and band load debugging can replace with simulation cylinder.

9. employing predictive control method according to claim 2 regulates the adjustment method of test run platform air-suction state parameter, it is characterised in that, described predictive control method is used for direct-connected test run platform.

10. employing predictive control method according to claim 2 regulates the adjustment method of test run platform air-suction state parameter, and described predictive control method can be used for direct-connected test run platform for engine condition point intake simulation.