RESEARCH INVESTIGATION IN CONTROL SYSTEMS
COLUMBIA UNIV NEW YORK SCHOOL OF ENGINEERING AND APPLIED SCIENCE
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Abstracts of 5 reports in the field of control systems theory are given. These are 1 a class of nonlinear, inertial and random plants which satisfy certain optimizability conditions 2 the optimal time problem solution which is extended to time-varying plants with r inputs and m outputs 3 a method for obtaining the order of the system characteristic equation from observation of input-output data 4 techniques for interrelating the inputs to two separate dynamic systems when it is required that the output of each satisfy a functional relationship and 5 a unified theory for the time-opimal control of general, linear, not necessarily normal plants, with generalized constraints on the control variable.