Hierarchical fusion diagnosis method and system for health parameters of complex spacecraft thermal control system
A thermal control system, health parameter technology, applied in the direction of instruments, electrical digital data processing, special data processing applications, etc., can solve the test process and data utilization, unpredictability of development and application process, affect the development progress and quality control of research and development and other problems, to achieve the effect of improving the system-level comprehensive diagnosis ability
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 The present invention will be further described below in conjunction with the accompanying drawings and examples. It should be understood that the following examples are intended to facilitate the understanding of the present invention, and have no limiting effect on it. This embodiment takes a space station as an example.
 Such as figure 1 As shown, the health parameter classification fusion diagnosis method of the thermal control system of the space station in this embodiment includes the following steps:
 S1: Build a multi-level evaluation parameter model to monitor and jointly diagnose key indicator parameters from three aspects: key indicators of stand-alone design, stand-alone equipment health characterization, and system-level comprehensive state characterization. Such as figure 1 As shown, this embodiment takes the active thermal control system of the space station as an example, and decomposes the active thermal control system of the space sta...
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