Datasets:
File size: 6,500 Bytes
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"code": {
"converter": "forge_model/XJTU/convert_xjtu.py",
"evidence_gate": {
"conflict_rule": "weak kept only if computed_verdict in {label, normal}",
"perception": "confirmed + weak-nonconflict",
"reasoning": [
"confirmed"
]
},
"excluded_labels": [
"cage"
],
"forge_agent_commit": "250c7e5f893bf76aa359dd32549e023903e4f6b5",
"forge_model_commit": "229ee98152d6588a07ce2ee9251d199bd2a88def",
"pipeline": "forge_agent/examples/xjtu/convert.py",
"query_pool": {
"reshaped": 30,
"scalogram": 30,
"spectrogram": 30,
"spectrum": 30,
"waveform": 30
}
},
"dataset": "XJTU-perception",
"generated_at": "2026-07-14T21:06:57",
"raw_form_provenance": {
"evidence_tier_by_class": {
"cage": {
"absent": 290,
"confirmed": 30,
"weak": 390
},
"inner_race": {
"absent": 95,
"confirmed": 695,
"weak": 95
},
"normal": {
"confirmed": 2080,
"weak": 215
},
"outer_race": {
"absent": 210,
"confirmed": 1760,
"weak": 145
}
},
"files_used": 1201,
"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,
"persist": 2,
"smooth": 3
},
"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"
},
"gold_conflicts": {
"cage->outer_race": 57,
"inner_race->ball": 1,
"normal->cage": 3,
"normal->inner_race": 39,
"normal->outer_race": 1,
"outer_race->ball": 1,
"outer_race->inner_race": 2
},
"labels": {
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"inner_race": 885,
"normal": 2295,
"outer_race": 2115
},
"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": {
"confirmed": 907,
"weak": 44
},
"labels": {
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"normal": 416,
"outer_race": 378
},
"splits": {
"test": 242,
"train": 709
},
"total": 951
},
"scalogram": {
"evidence_tier": {
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"weak": 44
},
"labels": {
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"normal": 416,
"outer_race": 378
},
"splits": {
"test": 242,
"train": 709
},
"total": 951
},
"spectrogram": {
"evidence_tier": {
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"weak": 44
},
"labels": {
"inner_race": 157,
"normal": 416,
"outer_race": 378
},
"splits": {
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"train": 709
},
"total": 951
},
"waveform": {
"evidence_tier": {
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"weak": 44
},
"labels": {
"inner_race": 157,
"normal": 416,
"outer_race": 378
},
"splits": {
"test": 242,
"train": 709
},
"total": 951
}
}
} |