Docking and active damping device for space structures

Aeronautics and astronautics – Spacecraft – Attitude control

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B64G 164

Patent

active

050057863

ABSTRACT:
A docking and active damping device for space structures is provided, in a docking portion of one space structure to be docked, with a positioning device in which an output rotor can be moved and rotated within a two-dimensional plane by a composite rotation of one or more eccentric rotors capable of being independently driven and controlled by a direct drive motor and the output rotor, and a docking member having a docking ring and a latch mechanism are supported on the output rotor of the positioning device. A probe having a capture device capable of being protruded and driven in an axial direction by a linear motion is provided inwardly of the docking member, and the probe provides a 4-freedom movement according to a position of the passive side to capture and dock a drogue. The docking ring is supported through a strain sensor, a vibration of the passive side structure is detected, and the docking member is moved in a direction of suppressing the vibration to promptly suppress the vibration caused by disturbances from the inside and outside of the space structures.

REFERENCES:
patent: 4177964 (1979-12-01), Hujsak et al.
patent: 4860975 (1989-08-01), Schliesing et al.
Takashi Kida, "A Preliminary Study on a Linear Inertial Actuator for LSS Control", Proceedings of the Fifteenth International Symposium on Space Technology and Science, vol. II, pp. 1273-1278; 1986.
Etsujiro Shimemura, "A Consideration to Vibration Control for a Large Space Structures", Proceedings of the Fifteen International Symposium on Space Technology and Science, vol. 11, pp. 1237-1241; 1986.
Gene C. Burns, "Space Station Full-Scale Docking/Berthing Mechanisms Development", pp. 325-340; 1988.
A. P. Matthews, "Development of an Intermodule Connector for Serviceable Spacecraft", Proceeding of the 3rd European Space Mechanisms & Tribology Symposium, pp. 169-176, 1987.

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