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Title: Observer-based control of Rijke-type combustion instability
Authors: Hervas, Jaime Rubio
Zhao, Dan
Reyhanoglu, Mahmut
Keywords: Combustion instability; LQG control; non-normality
Issue Date: 2014
Source: Hervas, J. R., Zhao, D., & Reyhanoglu, M. (2014). Observer-based control of Rijke-type combustion instability. AIP Conference Proceedings, 899-906.
Conference: AIP Conference Proceedings
Abstract: In this work, observer-based feedback control of combustion instability in a Rijke-type thermoacoustic system is considered. A generalized thermoacoustic model with distributed monopole-like actuators is developed. The model is linearized and formulated in state-space and it is assumed that pressure sensors are the only information available for feedback. It is shown that a system of this form is observable. As a Linear-Quadratic-Gaussian (LQG) controller is implemented to tune the actuators, the system becomes asymptotically stable. The performance of the controller is evaluated with a system involving two modes. The successful demonstration indicates that the observer-based feedback controller can be applied to a real combustion system with multiple modes.
DOI: 10.1063/1.4904662
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2014 American Institute of Physics. This paper was published in AIP Conference Proceedings and is made available as an electronic reprint (preprint) with permission of American Institute of Physics . The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Conference Papers

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