Cross-scale verification device for free base space task with comprehensive compensation of magnetic suspension

Abstract

The invention provides a space mission trans-scale verification apparatus with magnetic lift comprehensive compensation and free base, comprising a free base system, a lifting wire comprehensive electrochemical compensation system, a maglev system, an experimental spacecraft system, a coordinated control system, a communication system and a control center; orbital motion of a space target is converted into expected similar motion of a surface free base according to trans-scale equivalent theory and similarity theory, the expected similar motion is tracked further through the free base, and kinematic equivalency is achieved accordingly; a spatial micro-gravity motion environment is reproduced by a hybrid gravity compensation method combining lifting-wire-based lifting compensation and magnetic levitation, surface reproduction of a space mission is achieved, and surface complete process verification is completed for the space mission.

Description

technical field [0001] The invention belongs to the technical field of ground verification of spacecraft navigation, guidance and control systems, and in particular relates to a cross-scale verification platform for space task ground motion reproduction. Background technique [0002] The degree of development of aerospace engineering determines whether it can seize the high-tech commanding heights and maximize the use of space resources. my country is actively carrying out aerospace technology research. In order to successfully complete space missions in extremely harsh space environments, sufficient experimental verification must be carried out on the ground. Reproducing the movement of the spacecraft in space on the ground can fully verify all aspects of the spacecraft in the space mission and ensure the smooth completion of the space mission. The most obvious feature of spacecraft movement in the space environment is the orbital movement in the microgravity environment, wh...

AI Technical Summary

Problems solved by technology

The suspension method can generally be divided into active gravity compensation and passive gravity compensation. The compensation accuracy of passive gravity compensation is low, which has a great impact on the test results; active gravity compensation can improve the compensation accuracy, but the current active gravity compensation method generally uses single-point suspension Provide three-degree-of-freedom motion space or multi-point suspension to provide six-degree-of-freedom motion space. To achieve the goal of spacecraft motion reproduction, the three-degree-of-freedom motion space is obviously not enough. The six-degree-of-freedom space provided by multi-point suspension will be due to complex structures and Difficult control leads to poor test results

Most of the existing ground experiment systems for verifying space missions cannot simulate the orbital motion of the spacecraft: one type is built on a fixed orbit and cannot simulate the maneuvering orbital movement of the spacecraft, and the other type only considers the relative orbital motion of the spacecraft , ignoring the absolute orbital motion

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