Title :
Robust control of combustion oscillations
Author :
Chu, Yun-Chung ; Dowling, Ann P. ; Glover, Keith
Author_Institution :
Dept. of Eng., Cambridge Univ., UK
Abstract :
The physics involved in combustion oscillations is complex, and the controller design has frequently been hampered by the lack of reliable models. We make use of a new theory, based on the constant flame speed model of Fleifil et al. (1996), for the nonlinear oscillations of a ducted flame burning in the wake of a bluff-body flame-holder to provide a vehicle on which a robust controller is developed. The feedback control we consider involves the unsteady addition of fuel in response to a signal monitoring the oscillation. A linear design is produced using H∞ loop-shaping techniques
Keywords :
H∞ control; closed loop systems; combustion; control system synthesis; feedback; oscillations; robust control; H∞ control; closed loop fuel modulation; combustion oscillations; constant flame speed model; feedback; limit cycle; loop-shaping; nonlinear oscillations; robust control; signal monitoring; Acoustic waves; Combustion; Design engineering; Ducts; Fires; Fuels; Limit-cycles; Physics; Reliability engineering; Robust control;
Conference_Titel :
Control Applications, 1998. Proceedings of the 1998 IEEE International Conference on
Conference_Location :
Trieste
Print_ISBN :
0-7803-4104-X
DOI :
10.1109/CCA.1998.721642
