Title :
General necessary conditions for input-output stability
Author :
Desoer, C. ; Vidyasagar, M.
Abstract :
We consider multiple-input multiple-output linear time-invariant feedback systems with unity feedback. For both the continuous-time and the discrete-time case, we show that recently derived sufficient conditions for input-output stability are necessary and, in fact, under much more general conditions.
Keywords :
Algebra; Circuit stability; Circuit theory; Convolution; Councils; Electrons; Feedback loop; Laplace equations; MIMO; Sufficient conditions;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1971.8378
