{"id":"W2741030676","doi":"10.3390/app7080775","title":"Planetary Gearbox Fault diagnosis via Joint Amplitude and Frequency Demodulation Analysis Based on Variational Mode Decomposition","year":2017,"lang":"en","type":"article","venue":"Applied Sciences","topic":"Machine Fault Diagnosis Techniques","field":"Engineering","cited_by":41,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada; National Natural Science Foundation of China","keywords":"Demodulation; Frequency modulation; Amplitude modulation; Vibration; Instantaneous phase; Modulation (music); Fault (geology); Amplitude; Hilbert–Huang transform; SIGNAL (programming language); Acoustics; Control theory (sociology); Fourier transform; Computer science; Electronic engineering; Engineering; Physics; Mathematics; Artificial intelligence; Optics; Telecommunications; Bandwidth (computing); Computer vision; Mathematical analysis; Filter (signal processing)","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006390264,0.0006527387,0.000563221,0.0007237993,0.0002300722,0.0006044786,0.0005270211,0.0005570727,0.0008005172],"category_scores_gemma":[0.001952792,0.0002549544,0.0006329707,0.0004047555,0.0004295982,0.0007426242,0.0006559539,0.0005871517,0.0001646103],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003021334,"about_ca_system_score_gemma":0.0004986796,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002159854,"about_ca_topic_score_gemma":0.001381546,"domain_scores_codex":[0.9997757,0.00005662804,0.00001701986,0.00005250129,0.00007703338,0.00002116383],"domain_scores_gemma":[0.9996124,0.0002114642,0.00004833071,0.00002803518,0.00007964308,0.00002013149],"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":[0.0001704608,0.00009172311,0.005035267,0.0002836964,0.0001470822,0.0003230967,0.0002958826,0.5821759,0.08432629,0.02824228,0.001235717,0.2976726],"study_design_scores_gemma":[0.000002550944,0.00001398151,0.0004263489,0.000004867301,0.000006636641,0.00002206971,0.00000926525,0.9956725,0.001656007,0.001994015,0.0001859949,0.000005883417],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.02336196,0.0001518756,0.9758271,0.00006062631,0.00001102424,0.00001978446,0.00002038333,0.00008502957,0.0004622156],"genre_scores_gemma":[0.6292036,0.0004752427,0.368558,0.00005507777,0.00004011524,0.0000924826,0.000149929,0.00005493089,0.001370592],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.002159854,"threshold_uncertainty_score":0.004294515,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01613232732412825,"score_gpt":0.3038179458515342,"score_spread":0.2876856185274059,"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."}}