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U-parameter design of robust single-input single-output systems

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2 Author(s)
Dorato, P. ; Dept. of Electr. & Comput. Eng., New Mexico Univ., Albuquerque, NM, USA ; Yunzhi Li

A design approach is presented for feedback systems which are robustly stable and nominally optimal. This approach is referred to as U-parameter design and is represented as a direct extension of Q-parameter design, which is used to design feedback systems that are only nominally stable. The free design function U(s) in the U-parameter theory is a bounded real or a strongly bounded real function. The theory is applied to various nominal optimization problems including H2 and H optimization and classical design specification optimization

Published in:

Automatic Control, IEEE Transactions on  (Volume:36 ,  Issue: 8 )