{"id":"W2082936650","doi":"10.1016/j.ymssp.2013.05.016","title":"Joint amplitude and frequency demodulation analysis based on local mean decomposition for fault diagnosis of planetary gearboxes","year":2013,"lang":"en","type":"article","venue":"Mechanical Systems and Signal Processing","topic":"Machine Fault Diagnosis Techniques","field":"Engineering","cited_by":111,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"Program for New Century Excellent Talents in University; Ministry of Education of the People's Republic of China; Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China","keywords":"Demodulation; Instantaneous phase; Vibration; Amplitude modulation; Frequency modulation; Spectrogram; Amplitude; Acoustics; Fault (geology); Harmonics; Envelope (radar); Harmonic; Fourier transform; Time–frequency analysis; Control theory (sociology); Engineering; Mathematics; Computer science; Physics; Optics; Speech recognition; Mathematical analysis; Telecommunications; Artificial intelligence; Electrical engineering; Radar; Geology; Radio frequency","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002798323,0.0001766769,0.0003969211,0.0001901497,0.00008423207,0.0001015654,0.00005792005,0.0001301429,0.00001739452],"category_scores_gemma":[0.00001636513,0.0001520336,0.00006784509,0.0001748017,0.00002485123,0.0001587074,0.00001242225,0.00009909712,6.11209e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004293442,"about_ca_system_score_gemma":0.00000674345,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006900411,"about_ca_topic_score_gemma":0.00004573163,"domain_scores_codex":[0.9989078,0.00004808257,0.0004277313,0.0002493843,0.0001892119,0.0001778033],"domain_scores_gemma":[0.9994421,0.00018939,0.00009500023,0.0001002009,0.00007741275,0.00009590951],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00008593957,0.0004507231,0.04042276,0.007823638,0.0008257895,0.000007770004,0.000427129,0.5185716,0.1238893,0.003418196,0.0003539243,0.3037232],"study_design_scores_gemma":[0.0002123829,0.0001656032,0.00507703,0.0003082465,0.0001548843,0.000001719503,0.00002691947,0.9829627,0.009694296,0.001212759,0.000008350316,0.0001750679],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3696311,0.0005093915,0.629152,0.00003787394,0.0000185007,0.000471025,0.00001987603,0.0001254674,0.00003473968],"genre_scores_gemma":[0.9927488,0.00001674304,0.00675621,0.00003150262,0.0000422114,0.0003283372,0.0000539372,0.00002162449,6.178085e-7],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.6231177,"threshold_uncertainty_score":0.619975,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01313417162471091,"score_gpt":0.2530360111859581,"score_spread":0.2399018395612472,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}