Audio-based carrier rocket fault detection device and method
A technology for launch vehicles and fault detection, applied in measurement devices, transportation and packaging, and testing of machine/structural components, etc., can solve problems such as system impact, and achieve the effect of ensuring comprehensiveness, reducing weight, and improving test coverage.
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[0034] The sound-based launch vehicle fault detection system of the present invention is used to collect sound signals from the rocket test process, process and identify the signals, and confirm the working status of the equipment on the rocket through the resolution and comparison of the sound database to improve the rocket test coverage. sex.
[0035] The launch vehicle equipment in the operating state produces a large number of sound signals. The detection system collects these acoustic signals through multiple acoustic transducers. After the sound signal is adjusted and converted and the signal is collected, it is transmitted to the host computer for processing; the host computer extracts the time-frequency domain characteristics of the system through the corresponding signal processing algorithm, and judges the working sequence of the system and whether there is a fault. , and then show the fault location through the relevant fault location algorithm. The specific proce...
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