SPACECRAFT MOTION CONTROL SYSTEM Russian patent published in 2006 - IPC B64G1/26 B64G1/64 

FIELD: cosmonautics; approach and tethering in the course of docking.

SUBSTANCE: proposed system includes angle and angular velocity output units, first and second adders, relay amplifier with dead zone and actuating members for control of motion of center of mass and around center of mass of spacecraft. Output of angle read-out unit is connected to first input of first adder whose second input is connected to output of angular velocity read-out unit and output of first adder is connected to relay amplifier. System contains also units for starting the engines of motion of center of mass, test starting of actuating organ of control of motion of center of mass, units for calculation of increment of angular velocity and duration of advance connection of actuating organ of control of motion around center of mass, as well as first and second switching units. Output of test connection unit is connected with actuating member of control of motion of center of mass and first input of first switching unit. Output of unit of connection of engines of motion of center of mass is connected with actuating member of control of motion of center of mass and first input of second switching unit. Output of angular velocity read-out unit is connected with first input of angular velocity increment calculation unit whose output is connected with second input of second switching unit through advance connection duration calculation unit. Second input of angular velocity increment calculation unit is connected to output of test connection unit. Output of second switching unit is connected with second input of second adder whose output is connected with second input of first switching unit. Output of first switching unit is connected with actuating member of control of motion around center of mass and output of relay amplifier is connected with input of second input of second adder.

EFFECT: enhanced accuracy of stabilization of spacecraft; improved quality of transients at presence of external disturbing moment.

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