{
  "version": "v15b",
  "sprint": "A15",
  "trained_at": "2026-04-01T19:50:03.755079+00:00",
  "architecture": "VanillaLSTM",
  "paper_ref": "Sayyad et al., Sensors 2023, 23, 5659",
  "paper_protocol": "WPT db4 level=1, RF selection >0.5, 70/30 within W1",
  "dataset": "NUAA Ideahouse (IEEE DataPort DOI:10.21227/3aa1-5e83)",
  "train_case": "W1 (30 runs, 70%)",
  "test_case": "W1 (30%, held-out)",
  "verify_case": "W2 (18 runs, cross-case)",
  "signal_normalization": "z-score before WPT (paper protocol)",
  "n_wpt_features": 128,
  "n_selected_features": 67,
  "rf_selected_cols": [
    "f000",
    "f038",
    "f058",
    "f064",
    "f039",
    "f061",
    "f005",
    "f094",
    "f045",
    "f042",
    "f057",
    "f078",
    "f095",
    "f059",
    "f046",
    "f041",
    "f052",
    "f054",
    "f075",
    "f091",
    "f067",
    "f055",
    "f037",
    "f043",
    "f080",
    "f053",
    "f079",
    "f069",
    "f035",
    "f016",
    "f047",
    "f049",
    "f083",
    "f050",
    "f025",
    "f048",
    "f093",
    "f062",
    "f033",
    "f089",
    "f096",
    "f034",
    "f090",
    "f036",
    "f032",
    "f074",
    "f026",
    "f029",
    "f066",
    "f021",
    "f070",
    "f065",
    "f030",
    "f101",
    "f073",
    "f018",
    "f017",
    "f077",
    "f051",
    "f071",
    "f001",
    "f002",
    "f085",
    "f044",
    "f031",
    "f063",
    "f082"
  ],
  "rf_importance_threshold": 0.5,
  "seq_len": 20,
  "total_ref_sec": 3523.45,
  "w1_test": {
    "r2": 0.8071,
    "rmse": 0.1265,
    "mape": 41.529,
    "nrmse": 0.1268,
    "rmse_sec": 445.62
  },
  "w2_verify": {
    "r2": -2.2445,
    "rmse": 0.2729,
    "mape": 762.922,
    "nrmse": 0.5202,
    "rmse_sec": 961.53
  },
  "r2_benchmark": 0.967,
  "badge": "PARTIAL",
  "onnx_path": "tft_weights_v15b_cnc_nuaa.onnx",
  "best_pt": "nuaa_best_v15b.pt",
  "feat_mean_path": "nuaa_feat_mean_v15b.npy",
  "feat_std_path": "nuaa_feat_std_v15b.npy",
  "rf_cols_path": "nuaa_rf_selected_cols_v15b.json",
  "signals": [
    "axial_force",
    "bending_moment_x",
    "bending_moment_y",
    "torsion",
    "vib1",
    "vib2",
    "spindle_power",
    "spindle_current"
  ],
  "note": "VanillaLSTM trained from scratch on NUAA WPT features. Paper-exact: signal z-score before WPT, RF selection >0.5, 70/30 split within W1. TFT frozen/unfrozen both failed (R\u00b2=-12.85/-13.87 \u2014 CMAPSS domain mismatch)."
}