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System and method for regulating physical parameter of real turbomachine system from physical setpoint parameter

A physical parameter, real-time system technology, applied in the direction of turbine/propulsion fuel delivery system, general control system, fuel control of turbine/propulsion device, etc., can solve unresolved agility defects and other problems, and achieve the effect of quick adjustment and response

Pending Publication Date: 2021-12-24
SAFRAN AIRCRAFT ENGINES SAS
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Problems solved by technology

The patent only addresses the stability of transients, not the deficiencies in agility

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  • System and method for regulating physical parameter of real turbomachine system from physical setpoint parameter
  • System and method for regulating physical parameter of real turbomachine system from physical setpoint parameter
  • System and method for regulating physical parameter of real turbomachine system from physical setpoint parameter

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Embodiment Construction

[0050] refer to figure 1 , which shows a correction system SC configured to determine a control parameter y as a function of a parameter setpoint yc. In this embodiment, the correction system SC implements an inverse model corrector. In other words, the correction system SC includes in sequence the corrector C(p), the inverse model F-1(p) and the real-time system F(p). The real-time system F(p) corresponds to the real-time system acting on the control parameter y. In practice, a real-time system F(p) implements several transfer functions. In essence, the real-time system F(p) changes over time (offset, wear, etc.) and does not correspond exactly to the parameter setting yc.

[0051] In the correction system SC implementing the inverse model corrector, the real-time system F(p) is assumed to be mathematically invertible to define the inverse model F -1 (p). According to this assumption, since F -1 (p)*F(p)=1, the correction system SC essentially depends on the corrector C...

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Abstract

A system REG for regulating a physical parameter (y) of a real turbomachine system F(p) from a physical setpoint parameter (yc), the regulation system REG comprising a system OPTK for optimising the parameterisation gain K during the regulation, the optimisation system OPTK comprising a stability correction module (2) determining a first gain component K1, a response time correction module (3) determining a second gain component K2, the stability correction module (2) being designed to inhibit the response time correction module (3) when an instability is detected during the regulation of the physical parameter (y), and a determination module (4) configured to determine the parameterisation gain K as a function of the previously determined first gain component K1 and second gain component K2.

Description

technical field [0001] The present invention relates to a system for regulating physical parameters of a real-time system of a turbine according to physical parameter setpoints. For example, the physical parameters may be the displacement speed of the turbojet valve, the fuel flow rate, the orientation angle of the vanes, etc. Background technique [0002] As is known, the regulation system REG comprises a corrector comprising a correction function C1(p) and a parameterized gain K. The evaluation of the performance of the regulating system is mainly reflected in the evaluation of its response time and stability. In practice, this regulation system is parameterized to achieve a balance between response time and stability. [0003] In practice, a real-time system of a turbine includes characteristics and variables (eg, wear, drift, etc.) that can change and degrade over time. So, especially in terms of stability, a tuned system that works optimally at debug time may not be ...

Claims

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Application Information

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IPC IPC(8): G05B11/01G05B13/02
CPCG05B11/01G05B13/024F05D2270/44F05D2270/71
Inventor 赛德瑞克·德杰拉希
Owner SAFRAN AIRCRAFT ENGINES SAS
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