A multiloop generalization of the circle criterion for stability margin analysis. (English) Zbl 0487.93046
MSC:
93D25 | Input-output approaches in control theory |
93B35 | Sensitivity (robustness) |
15A18 | Eigenvalues, singular values, and eigenvectors |
93B17 | Transformations |
93C35 | Multivariable systems, multidimensional control systems |