Internal leakage detection in hydraulic actuators using empirical mode decomposition and hilbert spectrum

IEEE Transactions on Instrumentation and Measurement

Volumn 61, Issue 2, 2012, Pages 368-378

  Goharrizi, Amin Yazdanpanah ^a,b   Sepehri, Nariman ^a  

^a UNIVERSITY OF MANITOBA   (Canada)

^b UNIVERSITY OF TORONTO   (Canada)

Author keywords

Fault detection; Hilbert Huang transform (HHT); hydraulic actuators; internal leakage; wavelet transform

Indexed keywords

CLOSED-LOOP CONTROL; CONTROL VALVES; EMPIRICAL MODE DECOMPOSITION; EXPERIMENTAL TEST; FEATURE PATTERN; HILBERT HUANG TRANSFORMS; HILBERT SPECTRUM; HILBERT TRANSFORM; HYDRAULIC ACTUATOR; HYDRAULIC ACTUATORS; INSTANTANEOUS AMPLITUDE; INTERNAL LEAKAGE; INTRINSIC MODE FUNCTIONS; OFFLINE; ON-LINE APPLICATIONS; OSCILLATORY FUNCTIONS; PRESSURE SIGNAL; PRIOR KNOWLEDGE; PSEUDO RANDOM; REFERENCE INPUTS; ROOT MEAN SQUARE;

FAULT DETECTION; FIBER OPTIC SENSORS; FLOW RATE; HYDRAULIC EQUIPMENT; SIGNAL PROCESSING; WAVELET TRANSFORMS;

ACTUATORS;

EID: 84855426522     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2011.2161938     Document Type: Article

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