الفهرس 
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Abstract
Among current scientific and technological development, automation is of special importance. Recent trends in the opnent of modern civilization have been in the direction of optimiun. control. During the past decade the need for better r-ontrols in industrial, military, and space application has stimulated a greet deal of interest in problems of optimal control and system, optimization. Different forms of perfoi-- manae measure optimization have been considered and discussed with and without physical constraints. One of the optimization control problems has been studied and discussed is the minimum time—problem. PYAN 6] concerned with the calculation of the time-optimal feedback control laws for six third---order plants having real, non-positive eigenvalues and a single saturable control input. His method was based on the direct application af Gulko’s predictive control strategy. These time-optimal feed¬back control laws were frequently found to be of a complicated net involvir.0 transcendental -Eunctions of state variables Ouch as logarithms and exponentials. RYAN C7 l considered the optimal and sub-optimal relay control by state variablet transformaion technique termed the all control.transformatio considered technique givos time-optirql.