© 1996 by Institute of Mathematics and its Applications
On relative stability of linear stationary feedback control systems with time delay


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Department of Control Engineering Faculty of Mechanical Engineering, University of Belgrade, 27 Marta 80, 11000 Belgrade, Yugoslavia.
Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Yugoslavia.
A method is presented whereby the absolute and relative stability of linear control systems containing transport lag can be determined. As a result feedback systems with variable time delay and loop gain, may be investigated in straightforward manner.