{"id":"W7108092113","doi":"10.1088/1755-1315/1561/1/012039","title":"Inference of draft tube flow parameters in one-dimensional hydropower unit models using Kalman filters","year":2025,"lang":"","type":"article","venue":"IOP Conference Series Earth and Environmental Science","topic":"Cavitation Phenomena in Pumps","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hydro-Québec","funders":"","keywords":"Kalman filter; Draft tube; Hydropower; Inference; Hull; Flow (mathematics); Calibration; Control theory (sociology); Extended Kalman filter","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","sts"],"consensus_categories":[],"category_scores_codex":[0.0004211804,0.0004299417,0.0004863198,0.0005219841,0.0002874276,0.0001798171,0.0004941803,0.0001406401,0.0003425171],"category_scores_gemma":[0.0000592256,0.0005006865,0.00006393746,0.0008929775,0.003424878,0.00195134,0.0004930167,0.000367091,0.000009585547],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001959756,"about_ca_system_score_gemma":0.0003152301,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003230614,"about_ca_topic_score_gemma":0.0001445838,"domain_scores_codex":[0.9969812,0.00006748141,0.0007195001,0.0007671941,0.0006869233,0.0007776797],"domain_scores_gemma":[0.9990125,0.0001260555,0.0001349488,0.0004078668,0.00003494631,0.0002836421],"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":[0.00007502382,0.0001161661,0.002016123,0.0001098018,0.00003080369,0.000007358971,0.002165269,0.7676525,0.2184493,0.002489729,0.000001322446,0.006886529],"study_design_scores_gemma":[0.0007214459,0.0001931186,0.02464227,0.0005113296,0.00003944381,0.00000896118,0.001872525,0.8882342,0.08052011,0.002608758,0.00006489441,0.0005829476],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9946103,0.0004493747,0.002353196,0.000101619,0.0003598036,0.0003888955,0.0001242863,0.00002570458,0.001586803],"genre_scores_gemma":[0.9902493,0.0004961584,0.008909584,0.00007789011,0.000007824002,0.00001188043,0.00001564515,0.00001797638,0.0002137231],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1379292,"threshold_uncertainty_score":0.9997445,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02520587047899099,"score_gpt":0.2305853404622725,"score_spread":0.2053794699832815,"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."}}