Linear State Variable Dynamic Model and Estimator Design for Allison T406 Gas Turbine Engine

S. Vittal Rao, D. Moellenhoff, J. A. Jaeger

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

This paper describes a procedure for developing a State Variable Model for the Allison T406 gas turbine engine. This linear model is useful for designing controllers using modern control techniques. The engine and V-22 rotor system is modeled around an operating point by using four state variables and one input variable. For a given power setting, it is observed that two linear models are sufficient to represent the engine dynamics over the entire flight envelope. A relationship between surge margin and the state variables is also developed. It is demonstrated that these linear models are useful in designing an estimator for accommodating hard sensor failures.

Original languageEnglish
Pages (from-to)179-186
Number of pages8
JournalInternational Journal of Turbo and Jet Engines
Volume7
Issue number3-4
DOIs
StatePublished - Jul 1990

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