Bifurcation based nonlinear feedback control for rotating stall in axial flow compressors

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Conference Proceeding

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Classical bifurcation analysis for nonlinear dynamics is used to derive a nonlinear feedback control law that eliminates the hysteresis loop associated with rotating stall and extends the stable operating range in axial flow compressors. The proposed control system employs pressure rise as output measurement and throttle position as actuating signal for which both sensor and actuator exist in the current configuration of axial flow compressors. Thus, our results provide a practical solution for rotating stall control in axial flow compressors.

Publication Source (Journal or Book title)

Proceedings of the American Control Conference

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