{"id":"W2046419959","doi":"10.4028/www.scientific.net/amm.121-126.1992","title":"Determination of Singularity-Free Zones in the Workspace of Planar Parallel Mechanisms with Revolute Actuators","year":2011,"lang":"en","type":"article","venue":"Applied Mechanics and Materials","topic":"Robotic Mechanisms and Dynamics","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval","funders":"National Natural Science Foundation of China; Canada Research Chairs","keywords":"Singularity; Workspace; Revolute joint; Planar; Kinematics; Control theory (sociology); Gravitational singularity; Actuator; Cartesian coordinate system; Parallel manipulator; Computer science; Mathematics; Topology (electrical circuits); Geometry; Mathematical analysis; Classical mechanics; Robot; Physics; Artificial intelligence; Control (management)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[{"model":"gemma","categories":[],"domain":null,"study_design":"theoretical_or_conceptual","genre":"methods","about_ca_system":false,"about_ca_topic":false,"confidence":"low","status":"direct model label, unvalidated"},{"model":"gpt","categories":[],"domain":null,"study_design":"theoretical_or_conceptual","genre":"methods","about_ca_system":false,"about_ca_topic":false,"confidence":"low","status":"direct model label, unvalidated"}],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001052823,0.0008377954,0.0006836063,0.001387244,0.0004626521,0.0008759687,0.00102743,0.0004843363,0.001791607],"category_scores_gemma":[0.004602668,0.0003739248,0.0008422686,0.000611329,0.001449432,0.001745985,0.001487838,0.001059927,0.0006571985],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002418915,"about_ca_system_score_gemma":0.0005998342,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002707488,"about_ca_topic_score_gemma":0.0001828995,"domain_scores_codex":[0.9994344,0.0001272163,0.00004758229,0.0001009663,0.0002510019,0.00003886869],"domain_scores_gemma":[0.9987875,0.000478607,0.0002098022,0.0002077814,0.0002638664,0.00005250375],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001436548,0.00005020058,0.0008916598,0.0004952869,0.00004417003,0.0003833479,0.000512076,0.1414963,0.03212982,0.6307089,0.001349677,0.1917949],"study_design_scores_gemma":[0.00008360564,0.0002288126,0.000772526,0.0001511626,0.00003627501,0.001062778,0.000205445,0.3528821,0.03617384,0.5940517,0.0142237,0.0001281361],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.007138345,0.0001269628,0.991648,0.00001479899,0.00001064568,0.00002326944,0.00001682784,0.0000682086,0.0009530551],"genre_scores_gemma":[0.1855014,0.0004623185,0.8120683,0.00002219893,0.00002782692,0.0001349994,0.0001174417,0.00008688671,0.001578596],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.001791607,"threshold_uncertainty_score":0.005993485,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01089278604283151,"score_gpt":0.1772127627931603,"score_spread":0.1663199767503288,"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."}}