Nonlinear observer design for a Greitzer compressor model
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http://hdl.handle.net/11250/2393119Utgivelsesdato
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Originalversjon
Valavanis, Kimon P. [Eds.] 21st Mediterranean Conference on Control and Automation p. 1457-1463, IEEE conference proceedings, 2013 10.1109/MED.2013.6608913Sammendrag
In this paper two different observers for a nonlinear
compressor model have been developed and compared:
A nonlinear observer based on a circle criterion design and
an Extended Kalman Filter. Both of these observers were
implemented together with linear control strategies in order
to (surge-)control the nonlinear Greitzer compressor model.
The newly developed nonlinear observer is a full state observer providing local asymptotic stability results. Compared to the Extended Kalman Filter, the nonlinear observer showed itself at least equivalent, even superior for open-loop estimation.