Micro-nano satellite tracker and its tracking method based on truss assembly

Abstract

The invention discloses a truss-based tracker with micro-nano satellites assembled and a tracking method thereof. The tracker comprises a truss walking mechanism, a micro-nano satellite group and a flexible enclosing mechanism, wherein the micro-nano satellite group comprises a plurality of (N, N is greater than or equal to 3 and less than or equal to 5) micro-nano satellites, each micro-nano satellite is provided with an attitude and orbit control system, the truss walking mechanism comprises N trusses, one end of each truss is hinged to the corresponding micro-nano satellite, the other end of each truss is connected to the other corresponding micro-nano satellite in a sliding mode, the N trusses form an N-gon frame on the plane, the micro-nano satellites can slide along the trusses whichare connected with the micro-nano satellites in a sliding mode under driving of the attitude and orbit control systems, the flexible enclosing mechanism comprises N enclosing units, the enclosing units are correspondingly arranged on the corresponding trusses, and a enclosing space for a rolling target is formed among the N enclosing units. According to the truss-based tracker with micro-nano satellites assembled and the tracking method thereof, through the movement of the tracker, relative orbit / attitude movement between the tracker and the target is eliminated, and relative rest is achievedfinally so that the tracker can be conveniently attached and fixedly connected to the target.

Description

technical field [0001] The invention belongs to the technical field of space operations, and in particular relates to a truss-based micro-nano satellite tracker and a tracking method thereof. Background technique [0002] Millions of space debris (Space Debris) are increasingly making the space environment crowded and posing a great threat to active spacecraft. At present, there are more than 34,000 space objects with a diameter greater than 10 cm, of which 77% are space debris, which are mainly distributed at orbital altitudes ranging from 600 km to 1,000 km. These space debris mainly include debris from spacecraft collisions or disintegration, rocket upper-stage jettisons, and failed satellites. The Kessler syndrome states that even if all human spacecraft launches were stopped immediately, continued collisions would generate more and more debris. [0003] For large-scale space failure targets, such as failed satellites, they can be restored through on-orbit maintenance;...

AI Technical Summary

Problems solved by technology

The disadvantage of these methods is that the derotation mechanism and the capture mechanism need to work successively, the work process is complicated, the cycle is long, and more payloads need to be wasted

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