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H∞ control for a singularly perturbed aircraft model

✍ Scribed by John L. Vian; M. Edwin Sawan

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
596 KB
Volume
15
Category
Article
ISSN
0143-2087

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✦ Synopsis

Abstract

State space solutions for H∞ control are formulated for composite state feedback control of singularly perturbed systems. Scaled frequency domain realizations of dynamic systems are developed and used to generate H∞ solutions that approach the H~2~ solution as an H∞‐norm design parameter is allowed to approach infinity. The realizations also account for non‐orthogonal cost function terms that occur naturally in the slow subsystem design for singularly perturbed systems. Traditional H~2~ results are also provided. The formulation is applied to compute reduced, composite and full‐order controller gains for the longitudinal dynamics of an F‐8 aircraft.

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