Application of Wavelets Transform to Fault Detection in Rotorcraft UAV Sensor Failure-中国期刊网

摘要 Thispaperdescribesanovelwavelet-basedapproachtothedetectionofabruptfaultofRotorcraftUnmannedAerialVe-hicle(RUAV)sensorsystem.Byuseofwavelettransformsthataccuratelylocalizethecharacteristicsofasignalbothinthetimeandfrequencydomains,theoccurringinstantsofabnormalstatusofasensorintheoutputsignalcanbeidentifiedbythemulti-scalerepresentationofthesignal.Oncetheinstantsaredetected,thedistributiondifferencesofthesignalenergyonalldecomposedwaveletscalesofthesignalbeforeandaftertheinstantsareusedtoclaimandclassifythesensorfaults.

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Application of Wavelets Transform to Fault Detection in Rotorcraft UAV Sensor Failure

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Application of Wavelets Transform to Fault Detection in Rotorcraft UAV Sensor Failure

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