OMX ์ƒ์ž โ†’ ํฐ ๋ฐ”๊ตฌ๋‹ˆ ยท ACT ํŒŒ๋ผ๋ฏธํ„ฐ ์กฐํ•ฉ ์‹คํ—˜ (2026-10-27)

2026-10-27์— ์ƒˆ ํ™˜๊ฒฝ์—์„œ ๋ฐ›์€ ์‹œ์—ฐ 9๊ฐœ ์ค‘ 8๊ฐœ๋กœ ACT๋ฅผ ํ•™์Šตํ•˜๋ฉด์„œ, ์„ค์ •์„ ํ•œ ๊ฐ€์ง€์”ฉ ๋ฐ”๊พผ 12๊ฐœ ๋ชจ๋ธ์„ ๋น„๊ตํ–ˆ์Šต๋‹ˆ๋‹ค. ์‹คํ—˜๋งˆ๋‹ค ์ฒดํฌํฌ์ธํŠธ(1k~10k step, 1k๋งˆ๋‹ค ์ €์žฅ) ์ค‘ ๊ฐ€์žฅ ๊ดœ์ฐฎ์€ ๊ฒƒ ํ•˜๋‚˜๋งŒ ์˜ฌ๋ ธ์Šต๋‹ˆ๋‹ค.

๋“ค์–ด ์žˆ๋Š” ๋ชจ๋ธ

ํด๋” ๊ธฐ์ค€์—์„œ ๋ฐ”๊พผ ๊ฒƒ ๊ด€์ ˆ ์˜ค์ฐจ ๊ทธ๋ฆฌํผ ์˜ค์ฐจ ๋‹ซํž˜ ์‹œ์  ์˜ค์ฐจ (์ดˆ) ์—ด๋ฆผ ์‹œ์  ์˜ค์ฐจ (์ดˆ)
models/act_1027_B0_10k ๊ธฐ์ค€(B0): chunk 100, batch 16, lr 1e-5 ๊ณ ์ •, ์ „๋ฅ˜ ์ž…๋ ฅ, ์ฆ๊ฐ• ์—†์Œ 2.90 1.31 0.47 0.33
models/act_1027_C50_6k chunk 50 2.47 0.78 0.17 0.10
models/act_1027_C30_5k chunk 30 2.55 0.90 0.43 0.00
models/act_1027_AUG_5k ์ด๋ฏธ์ง€ ์ฆ๊ฐ• 2.91 0.86 0.33 0.00
models/act_1027_NG_8k ๊ทธ๋ฆฌํผ ์ „๋ฅ˜ ์ž…๋ ฅ ์—†์Œ (state 6๊ฐœ) 3.10 1.33 0.40 0.87
models/act_1027_BS8_8k batch 8 2.64 1.01 0.47 0.10
models/act_1027_BS32_3k batch 32 2.56 1.32 0.70 0.13
models/act_1027_COS1_6k cosine lr (์ตœ๋Œ€ 1e-5) 2.71 1.49 0.57 0.43
models/act_1027_COS3_5k cosine lr (์ตœ๋Œ€ 3e-5) 2.78 1.03 0.57 0.00
models/act_1027_C50AUG_9k chunk 50 + ์ด๋ฏธ์ง€ ์ฆ๊ฐ• 2.21 0.63 0.20 0.07
models/act_1027_C50COS3_8k chunk 50 + cosine lr (์ตœ๋Œ€ 3e-5) 2.32 0.84 0.43 0.07
models/act_1027_C50BS32_9k chunk 50 + batch 32 2.34 0.79 0.17 0.10
  • ์ˆ˜์น˜๋Š” ํ•™์Šต์—์„œ ๋บ€ ์‹œ์—ฐ 1๊ฐœ๋ฅผ open-loop๋กœ ํ‰๊ฐ€ํ•œ ๊ฐ’์ž…๋‹ˆ๋‹ค. 30 step๋งˆ๋‹ค ๋‹ค์‹œ ์˜ˆ์ธกํ–ˆ๊ณ , ๋‚ฎ์„์ˆ˜๋ก ์‹œ์—ฐ๊ณผ ๊ฐ€๊น์Šต๋‹ˆ๋‹ค.
    • ๊ด€์ ˆ ์˜ค์ฐจ: lerobot ๋‹จ์œ„ 1 โ‰ˆ 1.8ยฐ.
    • ๊ทธ๋ฆฌํผ ์‹œ์  ์˜ค์ฐจ: ์‹œ์—ฐ๋ณด๋‹ค ๋ช‡ ์ดˆ ์ผ์ฐ/๋Šฆ๊ฒŒ ๋‹ซ๊ฑฐ๋‚˜ ์—ฌ๋Š”์ง€.
  • ๊ณ ๋ฅธ ๊ธฐ์ค€: ์ง€ํ‘œ 4๊ฐœ๋ฅผ ๊ฐ๊ฐ ๊ทธ ์‹คํ—˜์˜ 1k~10k ํ‰๊ท ์œผ๋กœ ๋‚˜๋ˆˆ ๋’ค ํ‰๊ท ํ•ด์„œ, ๊ฐ€์žฅ ๋‚ฎ์€ ์ฒดํฌํฌ์ธํŠธ๋ฅผ ๊ณจ๋ž์Šต๋‹ˆ๋‹ค.
  • ํ‰๊ฐ€ํ•œ ์‹œ์—ฐ์ด 1๊ฐœ๋ฟ์ด๋ผ ์ฐจ์ด๊ฐ€ ์ž‘์€ ๋ชจ๋ธ๋ผ๋ฆฌ๋Š” ์ˆœ์œ„๊ฐ€ ๋ฐ”๋€” ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹ค๋ฌผ ๋กœ๋ด‡ ์„ฑ๊ณต๋ฅ ์€ ์•„์ง ์ธก์ • ์ „์ž…๋‹ˆ๋‹ค.
  • ์‹ค๋ฌผ ํ…Œ์ŠคํŠธ 1์ˆœ์œ„ ํ›„๋ณด: act_1027_C50AUG_9k, ๋‹ค์Œ์€ act_1027_C50_6k, act_1027_C50BS32_9k.

ํ•™์Šต ์ •๋ณด

  • lerobot 0.4.4 ยท ACT ยท ์ฒ˜์Œ๋ถ€ํ„ฐ ํ•™์Šต(์ด๋ฏธ์ง€ ์ธ์ฝ”๋”๋งŒ ImageNet ResNet18) ยท 10,000 step
  • ๋ฐ์ดํ„ฐ: 2026-10-27 ์‹œ์—ฐ 8๊ฐœ(5,055 ํ”„๋ ˆ์ž„) ยท 30fps ยท ์ž‘์—… ๋ฌธ์žฅ "์ƒ์ž๋ฅผ ์งš์–ด์„œ ํฐ ๋ฐ”๊ตฌ๋‹ˆ ์•ˆ์— ๋„ฃ๋Š”๋‹ค."
  • ์ž…๋ ฅ: ์นด๋ฉ”๋ผ top(์œ„์ชฝ) ยท wrist(์†๋ชฉ) + ์ƒํƒœ 7๊ฐœ = ๊ด€์ ˆ 6๊ฐœ + ๊ทธ๋ฆฌํผ ์ „๋ฅ˜(Present_Current ์›๋ž˜ ๊ฐ’, mA)
    • NG๋งŒ ์ƒํƒœ 6๊ฐœ(๊ด€์ ˆ๋งŒ)์ž…๋‹ˆ๋‹ค.
  • ์ถœ๋ ฅ: ๊ด€์ ˆ 6๊ฐœ ๋ชฉํ‘œ ์œ„์น˜

์‹คํ–‰ ๋ฐฉ๋ฒ•

kernel-robot-repo-4์˜ omx_train/ACT/inference.sh(lerobot 0.4.4)๋กœ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.

hf download Sungah/omx_act_1027 --local-dir omx_act_1027
cd kernel-robot-repo-4/omx_train/ACT
MODEL=/path/to/omx_act_1027/models/act_1027_C50AUG_9k ./inference.sh
  • ๋กœ๋ด‡ ํƒ€์ž…์€ ROBOT_TYPE=auto(๊ธฐ๋ณธ)๊ฐ€ ๋ชจ๋ธ ์ƒํƒœ ํฌ๊ธฐ๋ฅผ ๋ณด๊ณ  ๋งž์ถฅ๋‹ˆ๋‹ค.
    • 7์ด๋ฉด omx_follower_grip(๊ทธ๋ฆฌํผ ์ „๋ฅ˜๋ฅผ ์ฝ์Œ), 6์ด๋ฉด omx_follower.
  • inference.sh ๊ธฐ๋ณธ๊ฐ’์€ --policy.n_action_steps=50์ž…๋‹ˆ๋‹ค.
    • C30 ๋ชจ๋ธ์€ chunk๊ฐ€ 30์ด๋ผ ๋” ๊ธธ๊ฒŒ ์‹คํ–‰ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ./inference.sh --policy.n_action_steps=30์œผ๋กœ ์‹คํ–‰ํ•˜์„ธ์š”.
  • ์นด๋ฉ”๋ผ ์ด๋ฆ„(top, wrist)๊ณผ fps(30)๋Š” ํ•™์Šต ๋•Œ์™€ ๊ฐ™์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.
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