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| "code": { |
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| "forge_agent_commit": "250c7e5f893bf76aa359dd32549e023903e4f6b5", |
| "forge_model_commit": "229ee98152d6588a07ce2ee9251d199bd2a88def", |
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| "dataset": "XJTU-perception", |
| "generated_at": "2026-07-14T21:06:57", |
| "raw_form_provenance": { |
| "evidence_tier_by_class": { |
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| "confirmed": 30, |
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| }, |
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| "confirmed": 695, |
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| "generation": { |
| "forge_agent_commit": "250c7e5f893bf76aa359dd32549e023903e4f6b5", |
| "generated_at": "2026-07-14T07:46:00", |
| "params": { |
| "channel": "horizontal", |
| "excluded_compound": { |
| "Bearing1_5": "inner_race+outer_race", |
| "Bearing3_2": "inner_race+ball+cage+outer_race" |
| }, |
| "fault_onset": { |
| "detected_frac_by_bearing": { |
| "Bearing1_1": 0.61, |
| "Bearing1_2": 0.248, |
| "Bearing1_3": 0.411, |
| "Bearing1_4": 0.656, |
| "Bearing1_5": 0.308, |
| "Bearing2_1": 0.91, |
| "Bearing2_2": 0.28, |
| "Bearing2_3": 0.298, |
| "Bearing2_4": 0.643, |
| "Bearing2_5": 0.354, |
| "Bearing3_1": 0.927, |
| "Bearing3_2": 0.622, |
| "Bearing3_3": 0.911, |
| "Bearing3_4": 0.931, |
| "Bearing3_5": 0.096 |
| }, |
| "ladder": { |
| "relaxed": { |
| "baseline_frac": 0.25, |
| "k": 6.0, |
| "persist": 2, |
| "smooth": 3 |
| }, |
| "shortbase": { |
| "baseline_frac": 0.1, |
| "k": 4.0, |
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| "smooth": 3 |
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| "strict": { |
| "baseline_frac": 0.25, |
| "k": 6.0, |
| "persist": 8, |
| "smooth": 7 |
| } |
| }, |
| "method": "trend_changepoint on rms health trend (adaptive stride; retry ladder strict->relaxed->shortbase)", |
| "pass_by_bearing": { |
| "Bearing1_1": "strict", |
| "Bearing1_2": "strict-floor", |
| "Bearing1_3": "strict", |
| "Bearing1_4": "strict", |
| "Bearing1_5": "strict", |
| "Bearing2_1": "strict", |
| "Bearing2_2": "strict", |
| "Bearing2_3": "strict", |
| "Bearing2_4": "strict", |
| "Bearing2_5": "strict", |
| "Bearing3_1": "strict", |
| "Bearing3_2": "strict", |
| "Bearing3_3": "strict", |
| "Bearing3_4": "strict", |
| "Bearing3_5": "shortbase-floor" |
| } |
| }, |
| "fault_per_bearing": { |
| "cage": 100, |
| "inner_race": 100, |
| "outer_race": 60 |
| }, |
| "fs": 25600.0, |
| "gold": "documented teardown failure element (Table 3); normal=early files (before min(healthy_frac, onset)) of ALL bearings", |
| "healthy_frac": 0.3, |
| "normal_per_bearing": 40, |
| "representations": [ |
| "spectrum", |
| "spectrogram", |
| "scalogram", |
| "waveform", |
| "reshaped" |
| ], |
| "spectrum_fmax": 650.0, |
| "speed": { |
| "mean_abs_offset_frac": 0.01256, |
| "method": "estimate_speed; scored under {nominal, refined}, best wins", |
| "refined_used_frac": 0.721 |
| }, |
| "split": { |
| "rule": "bearing-wise holdout", |
| "test_bearings": [ |
| "Bearing1_3", |
| "Bearing2_3", |
| "Bearing2_5", |
| "Bearing3_3" |
| ] |
| }, |
| "win_seconds": 1.28 |
| }, |
| "source": "XJTU-SY accelerated-life bearing datasets (XJTU + Changxing Sumyoung); 15 LDK UER204 run-to-failure bearings, 3 conditions. Cite: Wang et al., IEEE Trans. Reliability 2018 (10.1109/TR.2018.2882682); gold labels = Table 3 of Lei et al., J. Mech. Eng. 55(16) 2019 (10.3901/JME.2019.16.001)", |
| "tool": "forge_agent/examples/xjtu/convert.py" |
| }, |
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| "inner_race->ball": 1, |
| "normal->cage": 3, |
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| "normal->outer_race": 1, |
| "outer_race->ball": 1, |
| "outer_race->inner_race": 2 |
| }, |
| "labels": { |
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| "normal": 2295, |
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| }, |
| "records": 6005, |
| "splits": { |
| "test": 2065, |
| "train": 3940 |
| } |
| }, |
| "schema": "unified 7-field SFT (cate=C, task=T-C1)", |
| "source": "XJTU-SY accelerated-life bearing datasets (XJTU + Changxing Sumyoung); 15 LDK UER204 run-to-failure bearings, 3 conditions", |
| "stats": { |
| "reshaped": { |
| "evidence_tier": { |
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| "weak": 44 |
| }, |
| "labels": { |
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| "scalogram": { |
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| } |
