METHOD FOR AUTOMATIC CONTROL USING RESET OF ADVANCE ACTION GENERATED BY SECOND DERIVATIVE Russian patent published in 1998 - IPC

FIELD: automatic control, in particular, for control of objects which have significant delay time and require adaptation to alternation of dynamic characteristic. SUBSTANCE: method involves running self-oscillation mode of amplifier of regulator under condition that amplitude level of oscillations is less than threshold level of output relay for zero input pulse. Self-oscillation mode is provided by control negative feedback from output of amplifier to relay unit multiplied by speed. This results in possibility of active dampening of first derivative and detection of second derivative with respect to alternation of input pulse. In addition method involves use of second negative feedback circuit from relay element by means of gate which is inserted between first input and intermediate dampening element. Said gate is controlled by speed signal from relay element. EFFECT: simplified design, increased reliability of control method using reset of advance action. 2 dwg