Decision and control method for autonomous rendezvous and docking of spacecraft in translation approaching stage

Abstract

The invention discloses a decision and control method for autonomous rendezvous and docking of a spacecraft in a translation approaching stage, and belongs to the field of rendezvous and docking. Themethod comprises the following steps that a scene classification matrix for priority attention dimension decision is established, and a man-machine-environment coupling interaction quantification model for manual control rendezvous and docking of the translation approaching stage is researched; the relationship among an astronaut, a spacecraft, the environment and dynamic joint disturbance are analyzed, and a behavior decision instruction rule set in different rendezvous and docking scenes is established; an autonomous tracking spacecraft driver prior model is established based on a deep neural network and a semi-physical simulation experiment; a tracking spacecraft autonomous behavior decision model is established based on deep reinforcement learning and an all-physical simulation experiment; and a bionic hierarchical control architecture comprising top-layer decision and bottom-layer control is researched, and autonomous behavior decision and control of the spacecraft are tracked. According to the decision and control method, by introducing the brain-like thinking thought, the problem that the autonomous rendezvous and docking mode of a spacecraft in a translation approaching stage lacks the flexibility and intelligence of manual control is solved.

Description

technical field [0001] The invention relates to the field of rendezvous and docking, in particular to a decision-making and control method for autonomous rendezvous and docking of a spacecraft translation approach section. Background technique [0002] Space rendezvous and docking is a routine space activity of on-orbit spacecraft, and is widely used in the fields of on-orbit assembly, recovery, supply, maintenance and space rescue. During the rendezvous and docking process, the flight of the tracking spacecraft can be divided into three stages: long-range guidance, short-range guidance, and translation approach. At present, the first two stages have been automated, and the key role in the entire mission The rendezvous and docking in the translation approach section is generally completed by manual control by astronauts or remote sensing control by ground stations in some important space missions. With the increasing number of space missions and the gradual diversification ...

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the invention is: Aiming at the lack of flexibility and intelligence of manual control in the autonomous rendezvous and docking mode of the translation and approaching stage, a dec...

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