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Multiobjective L1/H controller design for systems with frequency and time domain constraints

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3 Author(s)
W. M. Haddad ; Sch. of Aerosp. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; V. -S. Chellaboina ; R. Kumar

We develop an optimal mixed-norm L1 bound/H controller synthesis framework for continuous-time linear systems. This multiobjective problem is treated by forming a convex combination of both L1 (time domain worst-case peak amplitude response) and entropy (frequency domain worst-case H disturbance attenuation) performance measures. For flexibility in controller synthesis, we adopt the approach of fixed-structure controller design which allows consideration of arbitrary controller structures, including order, internal structure, and decentralization. Finally, using a quasi-Newton continuation algorithm, we demonstrate the effectiveness of the proposed mixed-norm L1/H approach via a numerical design example

Published in:

American Control Conference, 1998. Proceedings of the 1998  (Volume:5 )

Date of Conference:

21-26 Jun 1998