THE ANALYSIS AND DESIGN OF INTENTIONALLY NONLINEAR FEEDBACK CONTROL SYSTEMS.
POLYTECHNIC INST OF BROOKLYN N Y MICROWAVE RESEARCH INST
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The research was developed along four main lines of study 1 synthesis of low-sensitivity control systems 2 optimal control systems 3 linear equivalents for nonlinear feedback systems and 4 stochastic theory of feedback control. Efforts resulted in the following conclusions and ideas for future research the ideas of game theory and statistical decision theory are being brought to bear on the problem of sensitivity uncertainty efforts at connecting modern control theory with modern control practice are being followed by recent ideas in which the controlled system is again assumed linear but with randomly varying parameters the concept of optimality of a control system is being compromised in two directions 1 solutions must be sought which are insensitive to changes in the assumptions made and 2 economically realizable systems must be aimed for. See also AD-408 621 AD-401 799 AD-429 847 and AD-441 554.