Robotics
LeRobot
Safetensors
vision-language-action
smolvla
lekiwi

SmolVLA โ€” LeKiwi dice pick-and-place (50k steps)

lerobot/smolvla_base๋ฅผ XLeRobot(LeKiwi) ๋ชจ๋ฐ”์ผ ๋งค๋‹ˆํ“ฐ๋ ˆ์ดํ„ฐ ์‹œ์—ฐ ๋ฐ์ดํ„ฐ๋กœ ๋ฏธ์„ธ์กฐ์ •ํ•œ ์ •์ฑ…์ž…๋‹ˆ๋‹ค.

Task: Put the red dice in the basket

ํ•™์Šต ๊ตฌ์„ฑ

ํ•ญ๋ชฉ ๊ฐ’
Base checkpoint lerobot/smolvla_base
Dataset kms0429/xle_pilot_onearm_dice_front_21ep
Episodes / frames 21 / 26,178 (30 fps)
Robot lekiwi_client โ€” 9-D stateยทaction (arm 6-DoF + base 3-DoF)
Camera 1ร— front, 640ร—480
Steps 50,000 (โ‰ˆ15.3 epochs)
Batch size 8
Trainable params 99.9M / 450M (22%)
Frozen vision encoder, VLM backbone (train_expert_only=True)
Precision AMP
Hardware 1ร— RTX 5070 Laptop (8GB)
Wall-clock 2h 45m

ํ•™์Šต ๊ณก์„ 

step loss
100 1.973
5,000 0.138
15,000 0.067
25,000 0.044
50,000 0.042

Loss๋Š” ์•ฝ 25,000 step์—์„œ ์ˆ˜๋ ดํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ฐ™์€ ๊ทœ๋ชจ๋กœ ์žฌํ˜„ํ•˜์‹ค ๊ฒฝ์šฐ 25,000 step์œผ๋กœ๋„ ์ถฉ๋ถ„ํ•ฉ๋‹ˆ๋‹ค.

์‚ฌ์šฉ๋ฒ•

lerobot-record \
  --robot.type=lekiwi_client \
  --robot.remote_ip=<robot-ip> \
  --policy.path=mongster7/smolvla_dice_50k \
  --dataset.single_task="Put the red dice in the basket"

์นด๋ฉ”๋ผ ํ‚ค๊ฐ€ observation.images.front์ธ ๋ฐ์ดํ„ฐ์…‹์œผ๋กœ ํ•™์Šตํ–ˆ์œผ๋ฏ€๋กœ, ์ถ”๋ก  ์‹œ์—๋„ ๋™์ผํ•œ rename์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

--rename_map='{"observation.images.front": "observation.images.camera1"}'

ํ•œ๊ณ„

  • ๋ฒ ์ด์Šค ์ด๋™ 3-DoF๋Š” smolvla_base์˜ ์‚ฌ์ „ํ•™์Šต ๋ถ„ํฌ(6-DoF ๊ณ ์ • ํŒ”)์— ํฌํ•จ๋˜์ง€ ์•Š์•„, 21 ์—ํ”ผ์†Œ๋“œ๋งŒ์œผ๋กœ ํ•™์Šต๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ํŒ” ๋™์ž‘ ๋Œ€๋น„ ์ด๋™ ์„ฑ๋Šฅ์ด ๋‚ฎ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  • ๋‹จ์ผ ํƒœ์Šคํฌยท๋‹จ์ผ ์นด๋ฉ”๋ผยท๋‹จ์ผ ํ™˜๊ฒฝ์—์„œ ์ˆ˜์ง‘ํ•œ pilot ๋ฐ์ดํ„ฐ์ด๋ฉฐ, ์‹ค๊ธฐ ์„ฑ๊ณต๋ฅ ์€ ์•„์ง ์ธก์ •ํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
  • 15 ์—ํฌํฌ๋ฅผ ํ•™์Šตํ•ด ๊ณผ์ ํ•ฉ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์Šต๋‹ˆ๋‹ค. 25,000 step ์ฒดํฌํฌ์ธํŠธ์™€์˜ ์‹ค๊ธฐ ๋น„๊ต๋ฅผ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.
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