Robotics
LeRobot
Safetensors
act
so-arm101
bimanual

ACT โ€” trash gathering (SO-ARM101 bimanual)

์ฑ…์ƒ ์œ„ ์“ฐ๋ ˆ๊ธฐ๋ฅผ ๋น—์ž๋ฃจ์™€ ์“ฐ๋ ˆ๋ฐ›๊ธฐ๋กœ ์“ธ์–ด ๋‹ด๋Š” SO-ARM101 ์–‘ํŒ” ACT ์ •์ฑ….

๋™์ž‘ ๋ฐ๋ชจ์™€ ํ†ตํ•ฉ ํŒŒ์ดํ”„๋ผ์ธ: donghee-ai/PAI

โš ๏ธ ์ด ์ •์ฑ…์€ ์–ธ์–ด ๋น„์กฐ๊ฑด๋ถ€(language-unconditioned)๋‹ค

ACT ๋ผ instruction ์˜ ๋‚ด์šฉ ์œผ๋กœ ํ–‰๋™์ด ๋ฐ”๋€Œ์ง€ ์•Š๋Š”๋‹ค. ์–ด๋–ค ๋ฌธ์ž์—ด์„ task ๋กœ ๋„ฃ๋“  ํ•™์Šต๋œ ๋‹จ์ผ ํƒœ์Šคํฌ(์“ฐ๋ ˆ๊ธฐ ๋ชจ์œผ๊ธฐ)๋งŒ ์ˆ˜ํ–‰ํ•œ๋‹ค.

๊ทธ๋ž˜์„œ ํ†ตํ•ฉ ํŒŒ์ดํ”„๋ผ์ธ์—์„œ๋Š” LLM ์ด "๋ง๋Œ€๋กœ ์กฐ์ข…"ํ•˜์ง€ ์•Š๊ณ , ์˜๋„๋ฅผ ํŒ๋ณ„ํ•ด ํŠธ๋ฆฌ๊ฑฐ๋งŒ ๊ฑด๋‹ค โ€” ์‚ฌ์šฉ์ž ์ž…๋ ฅ์ด ์“ฐ๋ ˆ๊ธฐ-๋ชจ์œผ๊ธฐ ์˜๋„์ผ ๋•Œ๋งŒ ์ •์ฑ…์„ ๊ตฌ๋™ํ•˜๊ณ , ๊ทธ ์™ธ์—๋Š” ๋Œ€ํ™” ์‘๋‹ต๋งŒ ํ•œ๋‹ค. ์ž์„ธํ•œ ๊ตฌ์กฐ๋Š” PAI ์ €์žฅ์†Œ๋ฅผ ์ฐธ๊ณ .

๊ตฌ์„ฑ

ํ•ญ๋ชฉ ๊ฐ’
์ •์ฑ… ACT (VAE ์ธ์ฝ”๋” 4์ธต, dim_model=512, n_heads=8)
๋น„์ „ ๋ฐฑ๋ณธ ResNet18 (ImageNet1K_V1 ์‚ฌ์ „ํ•™์Šต)
์•ก์…˜ ์ฒญํฌ chunk_size=100, n_action_steps=100
๊ด€์ธก observation.state, observation.images.left_front, observation.images.left_wrist
์ถœ๋ ฅ action (์–‘ํŒ” ๊ด€์ ˆ)
๋กœ๋ด‡ SO-ARM101 bimanual (bi_so_follower)

ํ•™์Šต

ํ•ญ๋ชฉ ๊ฐ’
๋ฐ์ดํ„ฐ์…‹ danny1002/trash_gathering
steps 20,000
batch size 32
learning rate 1e-5
seed 1000
LeRobot v0.5.2

์‚ฌ์šฉ

# ๊ฐ€์ค‘์น˜๋งŒ ๋ฐ›๊ธฐ (ํ† ํฐ ๋ถˆํ•„์š”)
curl -fL -o model.safetensors \
  https://huggingface.co/danny1002/act-trash-gathering/resolve/main/model.safetensors

LeRobot ๋กค์•„์›ƒ์—์„œ๋Š” --policy.path ๋กœ ์ด ๋””๋ ‰ํ„ฐ๋ฆฌ๋ฅผ ๊ฐ€๋ฆฌํ‚ค๋ฉด ๋œ๋‹ค. ์นด๋ฉ”๋ผ ๊ด€์ธกํ‚ค๋Š” bi_so_follower ๊ฐ€ left_arm ์˜ ์นด๋ฉ”๋ผ dict ํ‚ค(front/wrist)์— left_ ์ ‘๋‘์–ด๋ฅผ ๋ถ™์—ฌ left_front / left_wrist ๋กœ ๋งŒ๋“ ๋‹ค.

์ „์ฒด ์‹คํ–‰ ์ ˆ์ฐจ(Docker ยท udev ํฌํŠธ ๊ณ ์ • ยท 3์ฐฝ ํŒŒ์ดํ”„๋ผ์ธ)๋Š” PAI ๋Ÿฐ๋ถ์— ์žˆ๋‹ค.

ํ•œ๊ณ„

  • ๋‹จ์ผ ํƒœ์Šคํฌ ์ „์šฉ. ์–ธ์–ด๋กœ ๋‹ค๋ฅธ ์ž‘์—…์„ ์‹œํ‚ฌ ์ˆ˜ ์—†๋‹ค.
  • ํ•™์Šต ํ™˜๊ฒฝ(์ฑ…์ƒ ๋ฐฐ์น˜ยท์กฐ๋ช…ยท์นด๋ฉ”๋ผ ๊ฐ๋„)์—์„œ ๋ฒ—์–ด๋‚˜๋ฉด ์„ฑ๋Šฅ์ด ๋–จ์–ด์ง„๋‹ค.
  • ์นด๋ฉ”๋ผ 2๋Œ€(front/wrist) ๊ด€์ธก์„ ์ „์ œํ•œ๋‹ค. ๊ด€์ธก ๊ตฌ์„ฑ์ด ๋‹ค๋ฅด๋ฉด ๊ทธ๋Œ€๋กœ ์“ธ ์ˆ˜ ์—†๋‹ค.
  • ์ œ์–ด ์ฃผํŒŒ์ˆ˜๋Š” ํ•™์Šต ์‹œ 25Hz. ๋‚ฎ์ถ”๋ฉด ๋™์ž‘์ด ๊ทธ๋งŒํผ ๋А๋ ค์ง„๋‹ค.

ํ•˜๋“œ์›จ์–ด

Jetson AGX Thor (aarch64, CUDA 13 / sm_110) + SO-ARM101 ์–‘ํŒ” + UVC ์›น์บ  2๋Œ€์—์„œ ์ˆ˜์ง‘ยทํ•™์Šตยท๊ฒ€์ฆํ–ˆ๋‹ค.

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Dataset used to train danny1002/act-trash-gathering