{"id":"W4416367361","doi":"10.1109/iceiom65271.2025.11239687","title":"Spectral Domain Dynamic Pressure Model and Wear Simulation of Axial Piston Pumps","year":2025,"lang":"","type":"article","venue":"","topic":"Hydraulic and Pneumatic Systems","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"MD Precision (Canada)","funders":"National Natural Science Foundation of China","keywords":"Piston (optics); Frequency domain; Nonlinear system; Fourier transform; Piston pump; Fault (geology); Time domain; Work (physics); Control theory (sociology)","routes":{"ca_aff":true,"ca_fund":false,"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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0002759607,0.0002497432,0.0004569842,0.000155521,0.00006618268,0.00004076643,0.0001258264,0.0002411151,0.0001801355],"category_scores_gemma":[0.0000239198,0.00025299,0.00008923277,0.0001714976,0.00006570187,0.0001310074,0.00003442498,0.0001652527,0.00001225909],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006408666,"about_ca_system_score_gemma":0.00006056357,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001346052,"about_ca_topic_score_gemma":0.00005525411,"domain_scores_codex":[0.9985542,0.00005971588,0.0006352243,0.0002630537,0.0002095723,0.0002782849],"domain_scores_gemma":[0.9993593,0.0001389999,0.00008079306,0.0003141219,0.00003132973,0.0000754393],"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":[0.00002906896,0.00002909799,0.0002133553,0.00143087,0.0001862671,8.600863e-7,0.001970414,0.986717,0.004234579,0.004066688,0.00008249303,0.001039339],"study_design_scores_gemma":[0.0007013018,0.00003453192,0.0007119261,0.0002824941,0.00009892559,0.000001806804,0.0002707987,0.9937953,0.0003383358,0.003132359,0.0004283498,0.0002039048],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3647762,0.001270188,0.5684064,0.0001056608,0.0004138607,0.0005355082,0.00003320122,0.00008870183,0.06437029],"genre_scores_gemma":[0.9922832,0.00008012026,0.001202336,0.00001398499,0.00004469684,0.000006229931,0.000006661834,0.000025107,0.006337691],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.627507,"threshold_uncertainty_score":0.9999923,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006553591531359528,"score_gpt":0.2362808124756149,"score_spread":0.2297272209442553,"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."}}