Title :
Comments on "A Lyapunov function of two-dimensional linear systems
Author :
Kara, A.A. ; Ünver, Z.
Author_Institution :
Dept. of Electr. & Electron. Eng., Middle East Tech. Univ., Ankara, Turkey
Abstract :
The authors show that the function introduced in the above-titled paper by H. Mahgoub and R. Carroll (ibid., vol. AC-31, p.170-172, (1986)) is not a Lyapunov function for a discrete 2-D system.<>
Keywords :
Lyapunov methods; discrete systems; stability; state-space methods; 2D linear systems; Lyapunov function; discrete systems; stability; Automatic control; Bridges; Convergence; Design methodology; Functional analysis; Hilbert space; Linear systems; Lyapunov method; Symmetric matrices; Two dimensional displays;
Journal_Title :
Automatic Control, IEEE Transactions on
