| Input-Output Stability (1995) | |||||||||||||||||
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| Introduction A common task for an engineer is to design a system which reacts to stimuli in some specific and desirable way. One way to characterize appropriate behavior is through the formalism of input-output stability. In this setting a notion of well-behaved input and output signals is made precise and the question is posed: do well-behaved stimuli (inputs) produce well-behaved responses (outputs)? General input-output stability analysis has its roots in the development of the electronic feedback amplifier of H.S. Black in 1927 and the subsequent development of classical feedback design tools for linear systems by H. Nyquist and H.W. Bode in the 30's and 40's, all at Bell Telephone Laboratories. These latter tools focused on determining input-output stability of linear feedback systems from the characteristics of the feedback components. Generalizations to nonlinear systems were made by several researchers in the late 50's and early 60's. The most notable contributions wer | |||||||||||||||||
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