Nonlinear Feedback Control for Rotating Stall and Surge in Axial Compressor

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Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (4) : 106-110.

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Nonlinear Feedback Control for Rotating Stall and Surge in Axial Compressor

hen Chen Jian Xu

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Abstract

Rotating stall and surge are two major unstable forms in axial flow compressors and limit the maximum range of the stable performance of the compressors. A new control strategy with nonlinear feedbacks for the rotating stall and the surge is proposed in this paper. The pressure rise is considered as a feedback to compensate the value of the throttle coefficient. The results show that the new control method is simple but can destroy the hysteresis loop associated with rotating stall so that it is avoided that the compressor enter into the surge.

Key words

Rotating Stall / Surge / Hysteresis Loop / MG Model / Active Control

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hen Chen Jian Xu. Nonlinear Feedback Control for Rotating Stall and Surge in Axial Compressor[J]. Journal of Vibration and Shock, 2013, 32(4): 106-110