✦ LIBER ✦

Singular perturbation modelling and design techniques applied to jet engine control

✍ Scribed by George P. Syrcos; P. Sannuti

Publisher: John Wiley and Sons
Year: 1986
Tongue: English
Weight: 633 KB
Volume: 7
Category: Article
ISSN: 0143-2087
DOI: 10.1002/oca.4660070102

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✦ Synopsis

This paper presents an application of recent singular perturbation modelling techniques for design and control of the F-100 jet engine. The required feedback gains are calculated using a Chandrasekhar type of algorithm.

KEY WORDS Singular perturbations Chandrasekhar algorithm Linear-quadratic regulators

Turbofan jet engine control

where 2, U and are n-, mand p-dimensional state, control and output vectors, respectively.

Q, F are positive semi-definite, and R is positive definite. As is well known, the optimal control for system (1) is given by the linear feedback law

(2) U(t) = -R-'BTP(t)Z(t) = -K ( t ) X ( t )

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