Research On The Key Technology Of Manned Spaceflight Flexible Frame Test System

With the continuous development of the electrical performance testing technology of manned spacecraft,the flexible testing system has the ability to quickly adapt to the testing needs and provide perfect testing solutions and services by adopting the universal and unified standard technology to build an open architecture.The establishment of a flexible test system is of great significance to the development of spacecraft with less complex functions,which is the inevitable trend of the development of test technology.This research is based on the flexible and extensible test system architecture of manned spacecraft,studies the technology of multi-user autonomous access,solves the test requirements of high security and high reliability of manned spacecraft platform,and the problems of large number of load test participants,effectively shortens the overall design cycle of performance test of manned spacecraft,and improves the quality of test design scheme Optimization means to study the overall rapid design.Analysis and optimization technology of manned spacecraft.The research work mainly includes the following aspects:1)Based on the digital test technology and the intelligent interpretation and evaluation technology of spacecraft omni-directional test data,an intelligent framework evaluation method of spacecraft omni-directional test data is proposed.A large loop dynamic real-time synchronous control and cross comparison digital test and interpretation system of multi spacecraft instructions and data,ground and spacecraft up and down instructions and data is constructed It improves the automatic test ability of spacecraft system.2)The testability design and application of spacecraft,the application of virtual instrument technology,a testability design technology of spacecraft system and a multi task management method for docking of composite body are proposed.A simulation system for testability modeling of spacecraft system level,subsystem level and single machine level design is constructed,and a set of modularized,generalized and serialized spacecraft based on virtual instrument technology is designed integrated test system.3)In this paper,the multi spacecraft test cooperation technology,multi spacecraft automatic test technology and automatic interpretation technology are studied.The multi attitude spacecraft dynamic interface simulation system method of multi combined spacecraft is proposed,which breaks through the key technology of multi-dimensional test in system electrical test,constructs a remote collaborative parallel test platform suitable for the general assembly and test of manned spacecraft,and solves the problem of multi It is difficult to verify the coupling between rendezvous and docking of manned spacecraft and interaction state,and it is difficult to realize real-time interaction of multi spacecraft information in remote mode.