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AUXILIARY POWER UNIT POWER COMPRESSOR HEALTH STATE DIAGNOSTIC SYSTEM AND METHOD
AUXILIARY POWER UNIT POWER COMPRESSOR HEALTH STATE DIAGNOSTIC SYSTEM AND METHOD
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机译:辅助动力装置压缩机健康状态诊断系统及方法
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摘要
A system and method for diagnosing load compressor health state for an auxiliary power unit that includes a power compressor, a combustor, a power turbine, and a load compressor is provided. The auxiliary power unit is operated and bleed air is discharged from the load compressor at a bleed air pressure. Using a pressure sensor, the bleed air pressure discharged from the load compressor is sensed and supplied to a processor. In the processor, power compressor health state is diagnosed based solely on the sensed bleed air pressure.
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