Flying tongue capture mechanism and space target acquisition method

Abstract

The invention discloses a flying tongue capture mechanism and a space target acquisition method. The mechanism comprises a launch driving mechanism (1), a flying tongue capture mechanism (2), a flexible cable mechanism (3), an unlocking release mechanism (4), a wheel rotation reloading mechanism (5), an aiming and correcting system (6) and an aircraft platform mounting plate (7); the whole mechanism is in rigid connection with an aircraft body through the aircraft platform mounting plate (7); after the aiming and correcting system (6) determines a target to be captured, the launch driving mechanism (1) pushes the flying tongue capture mechanism (2) to drive the flexible cable mechanism (3) to eject from a flying tongue launch window and the flying tongue capture mechanism (2) captures the target; when the target is required to be abandoned, the flexible cable mechanism (3) is cut off by the unlocking release mechanism (4), the output shaft of a driving motor (53) is connected with a central shaft of a rotary inner wheel ring (52), and the driving motor (53) drives the rotary inner wheel ring (52) to rotate and further drives the next flying tongue capture mechanism (2) to be positioned at the flying tongue launch window and perform the next capture.

Description

technical field [0001] The invention belongs to the technical field of overall design of spacecraft. Background technique [0002] Geostationary Orbit (GEO) is a scarce orbital resource. It operates a large number of military and civilian satellites with strategic significance, but there are also a large number of space debris and abandoned satellites, which pose a serious threat to the safe operation of normal satellites. The aircraft for deorbit removal of debris has become one of the research focuses to solve this problem. [0003] At present, the commonly used space target acquisition methods can be divided into two types: rigid and flexible. Rigid includes docking methods such as robotic arms and cone rods, and flexible includes flying nets and flying claws. Table 1 compares and analyzes several spatial capture methods. [0004] Although the traditional rigid capture technology is relatively mature in the docking mission of cooperative targets, for non-cooperative tar...

AI Technical Summary

Problems solved by technology

[0004] Although the traditional rigid capture technology is relatively mature in the docking mission of cooperative targets, for non-cooperative targets with certain attitude maneuverability or in a flipped state, the capture mechanism needs to be dynamically and precisely aligned with the predetermined capture position, which poses a threat to the aircraft's relative accuracy. Motion (relative position, speed, attitude, attitude angular velocity) control ability puts forward strict requirements

At the same time, for GEO orbits with a height greater than 30,000 kilometers, affected by factors such as measurement and control accuracy and teleoperation delay, traditional rigid docking will face great difficulties; in addition, the entire star spin of abandoned satellites and the periodic rotation of solar wings It also poses a greater threat to the safety of the captured aircraft itself.

[0005] Although flexible capture systems such as flying claws and flying nets have a long capture distance and low requirements on the control ability of the aircraft body, they also have their shortcomings: the flying claw system is faced with problems such as strong dependence on the surface conditions of the target satellite; The large-scale network system is vulnerable to structural damage and is greatly affected by the shape of the target. It is difficult to effectively capture different GEO targets.

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