Robustness margin calculation with dynamic and real parametric uncertainty

ATHANASIOS SIDERIS; RICARDO S. SÁNCHEZ PEÑA

Atlanta

Conferencia; American Control Conference; 1988

American Automatic Control Council

The problem of Robust stability in feedback control systemswith real uncertain parameters and nnmodeled dynamicswhere the latter takes the form of one complex block dynamicuncertainty is considered. A robustness margin m,, isdefined with respect to such model uncertainty structure androbust stability is characterized in terms of it. An algorithmto calculate rm and the closely related Multivariable StabilityMargin km and Structured Singular Value p measures ofRobust Stabilty is developed. It is shown that other controlproblms such as robust performance for real parametricuncertainty can also be handled in this framework.