METHOD AND UNIT FOR DETECTING PHASE LOCKOUT OF CHANNELS (ALTERNATIVES), TWO-DIMENSIONAL CONTROL METHOD AND SYSTEM Russian patent published in 2004 - IPC

FIELD: automatic control systems; pieces of equipment with phase-coupled controlled entity channels; research units.

SUBSTANCE: proposed method used to control entities having phase lockout of channels by means of comprehensive instructions for correction of dynamic-errors in both control channels includes evaluation of turn angle between dynamic-error correction instructions and entity control instructions by measured instructions of dynamic error correction and entity control instructions. Device of first design alternative implementing this method has multipliers, adders, and angle computing unit. Device of second design alternative has adder and angle computing unit. Alternative method includes measurement of phase shift between dynamic-error correction instructions and entity control instructions as well as correction of phase shift in entity control instructions. System implementing this method has error correction unit, control unit, phase lockout detection unit, and phase lockout correction unit.

EFFECT: enhanced operating precision of control system.

5 cl, 3 dwg