Abstract
There are different kinds of equipments distributed in different locations for a large complicated multi-shaker vibration test facility, so it is challenging to monitor the real state of test facility thoroughly during its operation. Long-term operation of this test facility will lead to the degradation of reliability and malfunction, and sometimes the emergency stop of the whole test system that threatens the safety of the spacecraft seriously. This paper presents in detail the design and application of a set of health monitoring device for a large multi-shaker vibration test facility which is capable of monitoring the operation state in real time and predicting the potential malfunction of the whole test facility to ensure the reliability of this large test system and safety of the spacecraft during its environmental vibration test.
Highlights
The spacecraft experiences complicated vibration environments during it launch, flight and re-entry stage
It is necessary to build a set of health monitoring device for this kind of test facility capable of monitoring the operation state in real time and predicting the potential malfunction to ensure the reliability of this large test system and safety of the spacecraft during its environmental vibration test
This paper discusses a set of health monitoring device for a large multi-shaker vibration test facility with a high monitoring precision, a wild monitoring range and a friendly user interface
Summary
The spacecraft experiences complicated vibration environments during it launch, flight and re-entry stage. These vibration environments would affect the structure of the spacecraft or the equipment through the dynamic transfer process, and sometimes result in the damage of the structure, the degradation of the equipment function and malfunction. There are different kinds of equipment’s distributed in different locations for a large complicated vibration test facility, so it is a challenging issue to monitor the real state of test facility fully during its operation. It is necessary to build a set of health monitoring device for this kind of test facility capable of monitoring the operation state in real time and predicting the potential malfunction to ensure the reliability of this large test system and safety of the spacecraft during its environmental vibration test
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