Some properties of a polynomial that is associated with the feedback variable in the Lyapunov type controller are considered. It is shown that is a stable polynomial which is closely related to the resulting system stability in the Lyapunov type synthesis [5].
Keywords :
Lyapunov methods; Automatic control; Control system synthesis; Control systems; Councils; Feedback control; Laplace equations; Linear systems; Polynomials; Stability; Symmetric matrices;