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CONDITIONS ON MODEL-REFERENCE ADAPTIVE SYSTEM INPUT SIGNALS FOR STABLE PERFORMANCE
POLYTECHNIC INST OF BROOKLYN N Y MICROWAVE RESEARCH INST
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An approach to adaptive control system design which does not involve a direct measurement or identification of the variable process parameters is investigated. Convergence-time relationships and sufficient conditions for system stability are developed when the process is characterized by a variable gain or variable time-constant, and fixed dynamics of any order. The adaptive capability is achieved by employing a model as a reference element and by means of appropriate adaptive circuitry. The adaptive circuitry is simple, easily instrumented, and does not require successive differentiations the primary function of the adaptive circuitry is one of integration. Author
APPROVED FOR PUBLIC RELEASE