The paper studies the behavior of multi-mode systems of the Moore-Greitzer model. Its main result is the existence of a parameterized nonlinear state feedback controller which stabilizes the system to the right of the peak of the compressor characteristic. In this process, a rotating stall envelope surface is discovered, and it is shown that the controller design achieves the tasks of preventing the closed-loop system from entering either rotating stall or surge, and making the closed-loop pressure rise coefficient be able to approach its maximum. Numerical simulations of the open-loop and closed-loop models are presented to illustrate the analysis and the results. [S0022-0434(00)00803-0]

Issue Section:
Technical Papers
Keywords:
compressors, state feedback, stability, closed loop systems, nonlinear control systems, flow control, pressure control, transients, Moore-Greitzer Model, Rotating Stall and Surge, Nonlinear Control, Feedback Stabilization
Topics:
Closed loop systems, Compression, Compressors, Control equipment, Flow (Dynamics), Pressure, State feedback, Surges, Axial flow, Equilibrium (Physics), Simulation, Design
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 by ASME
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