RELAY CONTROL SYSTEM Russian patent published in 1995 - IPC

FIELD: automatic adjustment systems. SUBSTANCE: relay control system includes mismatch unit 1, threshold signal generating unit 2, third and fourth summers 3 and 4, first and second nonlinear amplifiers 5 and 6, first and second NOT gates 7 and 8, first and second AND gates 9 and 10, second summer 11, correcting unit 12, first and third signal sign inventors 13 and 14, actuator 16. Output of second signal sign inventor 13 is connected to first input of third summer 3 and its input to output of correcting unit 12. Output of third summer 3 is connected to first input of first nonlinear amplifier 5. EFFECT: improved reliability. 3 dwg