NDLI: Piston-actuated active surge control of centrifugal compressor including integral action

Content Provider	IEEE Xplore Digital Library
Author	Uddin, N. Gravdahl, J.T.
Copyright Year	2011
Description	Author affiliation: Department of Engineering Cybernetics, Norwegian University of Science and Technology, Trondheim, Norway 7491 (Uddin, N.; Gravdahl, J.T.)
Abstract	An improvement in control performance of piston-actuated active surge control for centrifugal compressor by using integral action is presented in this paper. The active surge control is designed by using linear quadratic requlator (LQR) method based on the linearized system around the operating point. Simulation results show the active controller is able to stabilize the surge but not able to reach the desired operating point. The reason for this is the piston drift during surge stabilization. The surge control system is then enhanced by including integral action for counter acting the drift. Simulation results show the enhanced system is performing well in stabilizing surge without piston drift and reaching the desired operating point, but the piston position has non zero stationary value. One more integral is applied to the system to bring the piston position back to the origin. Applying double integrals action also results less required piston stroke for the surge stabilization.
Starting Page	991
Ending Page	996
File Size	1085730
Page Count	6
File Format	PDF
ISBN	9781457708350
ISSN	20937121
e-ISBN	9788993215038
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-26
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	ICROS
Subject Keyword	Pistons Control design Simulation Optimal control integral action Steady-state anti surge control LQR Surges compressor
Content Type	Text
Resource Type	Article

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