Modal participation in the stability analysis and control of multistage compression systems

Eyad H. Abed; Bertina Ho-Mock-Qai; Taihyun Kim

doi:10.1117/12.210509

30 May 1995 Modal participation in the stability analysis and control of multistage compression systems

Eyad H. Abed, Bertina Ho-Mock-Qai, Taihyun Kim

Proceedings Volume 2494, Sensing, Actuation, and Control in Aeropropulsion; (1995) https://doi.org/10.1117/12.210509
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

The paper applies Selective Modal Analysis (SMA) to a simple linearized model of the dynamics of a multistage axial flow compressor-throttle system. The technique allows quantification of the degree of participation of each system variable in system modes. This feature allows determination of the participation of each stage in an overall compression system mode. The main application is to determine the stage(s) most involved in a mode of instability, with the associated implications for control design.

Citation Download Citation

Eyad H. Abed, Bertina Ho-Mock-Qai, and Taihyun Kim "Modal participation in the stability analysis and control of multistage compression systems", Proc. SPIE 2494, Sensing, Actuation, and Control in Aeropropulsion, (30 May 1995); https://doi.org/10.1117/12.210509

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