Modeling and control of rotating stall and surge : an overview

F.P.T. Willems, Bram de Jager

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

25 Citations (Scopus)


Stable operation of both axial and radial compressors is constrained by rotating stall and surge. Developments in the understanding of the physics behind these instabilities, and ideas of how to stabilize the compressor system, have opened the door to a new era in the field of compressor control: so-called active control. The paper gives an overview of the current state of modeling and control of aerodynamic flow instabilities in axial and radial compressors. It discusses the differences between rotating stall and these compressors but focuses on active control systems applied in experimental studies. The evolution of models and control systems demonstrates that this research area is still developing, but models cannot yet describe all forms of instabilities encountered. Moreover, apart from a few exceptions, only proportional feedback controllers are currently used. As a result, future research has to concentrate on gaining additional insight into the mechanisms behind the flow instabilities and on how to incorporate this knowledge in a model. This will also be beneficial for the development of advanced model-based controllers.
Original languageEnglish
Title of host publicationProceedings of the 1998 IEEE international conference on control applications : september 1-4, 1998, Trieste, Italy. Vol. 1
EditorsT. Parsini
Place of PublicationTriest, Italy
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Print)0-7803-4104-X
Publication statusPublished - 1998


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