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LingBot-VA OpenArm SBInt EEF step-20000

Fine-tuned transformer/ (bf16) of LingBot-VA on SBInt openarm002 dual-arm data.

  • Route: relative EEF (xyz + quat xyzw, relative to sample-window first frame)
    • gripper, 16-d left-first: [l_xyz3, l_quat4, lgrip, r_xyz3, r_quat4, rgrip]
  • Init: robbyant/lingbot-va-posttrain-robotwin
  • Train: config openarm_eef_train, 20000 steps, 8xH100, global batch 8, lr 1e-5
  • Open-loop ep740: rel MAE 0.0052, seam 1.22x, abs xyz MAE 0.0040 m
  • Parent repo: https://github.com/zhujohn9604/lingbot-va-train (data/IK/deploy: handoff/README.md, handoff/DEPLOY_IK.md)

Joint-space counterpart: chennana1028/lingbot-va-openarm-sbint-step20000.

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Model size
5B params
Tensor type
BF16
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