model_metadata_v9b.json

{
  "version": "v9b",
  "sprint": "A7b",
  "trained_at": "2026-03-28T05:24:38.871108Z",
  "continues_from": "v9 (A7)",
  "vsn_rho_method": "perturbation_sensitivity",
  "scania_source": "twinnable/data/SCANIA_processed.parquet (A5/A6 preprocessed)",
  "scania_feat_cols": [
    "f100",
    "f158",
    "f167",
    "f171",
    "f272",
    "f291",
    "f309",
    "f370",
    "f397",
    "f427",
    "f459",
    "f666",
    "f835",
    "f837"
  ],
  "cuda_fixes": [
    "Flash/mem-efficient SDPA disabled",
    "LayerNorm eps=1e-3",
    "safe_bce clamped inputs",
    "SCANIA per-vehicle windowing"
  ],
  "domains": {
    "cmapss": {
      "rul_source": "supervised",
      "rul_max_cycles": 125,
      "onnx": "tft_weights_v9b_cmapss.onnx",
      "rmse": 15.303,
      "r2": 0.864,
      "auc": 0.989,
      "vsn_rho": 0.297,
      "vsn_validated": false
    },
    "scania": {
      "rul_source": "supervised",
      "onnx": "tft_weights_v9b_scania.onnx",
      "rmse": 28.873,
      "r2": 0.337,
      "auc": 0.784,
      "vsn_rho": 0.468,
      "vsn_validated": false
    },
    "nist": {
      "rul_source": "synthetic_estimated",
      "rul_max_cycles": 125,
      "nist_seed": 42,
      "onnx": "tft_weights_v9b_nist.onnx",
      "rmse": 36.714,
      "r2": 0.204,
      "auc": 0.44,
      "vsn_rho": 0.49,
      "vsn_validated": false
    }
  },
  "training": {
    "phase1_epochs": 20,
    "phase2_epochs": 20,
    "ig_beta": 0.1,
    "ig_loss": "pairwise_cross_domain",
    "window": 30,
    "n_sensors": 14
  }
}