SELF-TUNING CONTROL SYSTEM Russian patent published in 1996 - IPC

FIELD: adaptive control devices which test signal is sine-shaped. SUBSTANCE: protecting filter is inserted in main feedback circuit. Filter is tuned by means of phase automatic frequency tuning unit to frequency of critical oscillations in controlled object. Amplitude and frequency of oscillations are used for calculation of characteristics of interface regulator. This results in accumulating excess stability in closed system in case of drift in characteristics of controlled object. EFFECT: increased precision, increased speed by means of separation of regulation and self-tuning channels. 3 dwg