Shape memory alloy adaptive control of gas turbine engine blade clearance

1995 ◽  
Author(s):  
L Portlock ◽  
L Schetky, einetz, B
Keyword(s):  
Adaptive Control ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Gas Turbine ◽  
Gas Turbine Engine ◽  
Turbine Engine ◽  
Engine Blade ◽  
Blade Clearance

scholarly journals Adaptive Control of a Gas Turbine Engine for Axial Compressor Faults

1996 ◽  
Author(s):  
G. Lombardo
Keyword(s):  
Adaptive Control ◽  
Control System ◽  
Gas Turbine ◽  
Nonlinear Models ◽  
Axial Compressor ◽  
Gas Turbine Engine ◽  
Adaptive Control System ◽  
Turbine Engine ◽  
Definition Of ◽  
Real Time Optimization

An adaptive control system for a gas turbine engine which diagnoses conditions of axial compressor faults is proposed and analyzed. Nonlinear models of the gas turbine, neural networks and genetic algorithms are used in this research. The adaptive control system minimizes the reduction in gas turbine performance deriving from non-destructive faults. In the absence of faults, the system automatically performs the optimization of the engine between overhauls. Improvements concern the definition of adaptive control with faults in progress, and the real-time optimization of the engine during its operative life between overhauls. Simulation results of the suggested control system are also discussed.

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