{"id":"W3030101670","doi":"10.2514/1.g004701","title":"Optimal Planar Powered Descent with Independent Thrust and Torque","year":2020,"lang":"en","type":"article","venue":"Journal of Guidance Control and Dynamics","topic":"Spacecraft Dynamics and Control","field":"Engineering","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Sciences and Engineering Research Council of Canada; Johnson Space Center","keywords":"Thrust; Descent (aeronautics); Control theory (sociology); Torque; Gradient descent; Generalization; Boundary (topology); Mathematics; Plane (geometry); Computer science; Physics; Mathematical analysis; Aerospace engineering; Geometry; Engineering; Artificial intelligence; Control (management)","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001226501,0.0001676993,0.0003505071,0.00004462525,0.00004172727,0.00007447704,0.0001040224,0.00006999259,0.000005103429],"category_scores_gemma":[0.00002052502,0.0001287552,0.00004777496,0.00005891737,0.0000419897,0.0001461485,0.00001159099,0.0002634606,7.230893e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000599926,"about_ca_system_score_gemma":0.00003374301,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000004644643,"about_ca_topic_score_gemma":0.00004179605,"domain_scores_codex":[0.9991916,0.00001535947,0.0003000039,0.0001106411,0.0001876073,0.0001947613],"domain_scores_gemma":[0.9994429,0.00003743242,0.0001212536,0.00007245195,0.00009102993,0.0002349003],"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":[0.01086549,0.00035666,0.2918798,0.0009825369,0.004457072,0.003216404,0.004575645,0.5115537,0.05747923,0.01328488,0.002446384,0.09890221],"study_design_scores_gemma":[0.003829865,0.0004690917,0.01833731,0.00006184607,0.00008256686,0.0002137724,0.0002389659,0.9759648,0.000006863495,0.00004062233,0.0005689625,0.0001852632],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5852877,0.006655709,0.4039745,0.003118877,0.0002152561,0.000204851,0.00006293298,0.00004756336,0.000432618],"genre_scores_gemma":[0.9969953,0.0005858485,0.001882421,0.000357744,0.0001422638,0.000002134712,0.000001343127,0.00002366159,0.00000934224],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4644112,"threshold_uncertainty_score":0.5250485,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003414521093192666,"score_gpt":0.1685532184464229,"score_spread":0.1651386973532302,"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."}}