| 摘要 |
The invention relates to a device for determining a measurement of mass flow of fluid for a combustion chamber comprising a fluid metering device and a means of measuring the position of the metering device being measured. This device comprises: a mass flow meter, a hybridisation device for determining an actual mass flow of fluid comprising: a first input comprising a set-point value (WF set-point, Xset-point), a prediction unit ( 26 ) capable of determining, from the first input and variables of state comprising the actual mass flow (WF actual) and parametric unknowns (IP), estimated values (^WF flow meter, ^Xmetering device), a second input comprising the measured position of the metering device (Xmetering device) and the measured mass flow of fluid (WF flow meter), a calculator of residues ( 30, 22, 20 ) for determining a first residue (Rmetering device) between the measured position of the metering device and the estimated position of the metering device and a second residue (Rflow meter) between the measured mass flow of fluid and the estimated mass flow of fluid, a correction unit ( 24 ) for determining, from the first and second residues corrections capable of being applied to variables of state (WF actual, IP).
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