不確実性下での長期的ロボット計画の評価
Evaluating Long-Horizon Robot Planning under Uncertainty
家庭用ロボットの長期的タスクにおける不確実性への対処を評価するベンチマークを提案し、ReActやVLM-TAMPなどの計画手法を比較した。
著者: Harsh Muriki, Gayathri Aravindan, Yuchen Zheng, Sonia Chernova
分類: cs.RO
原文アブストラクト
Household robots must successfully navigate im-perfect circumstances, both in their internal models and the external world. We introduce a benchmark of seven long-horizon household tasks in Habitat that vary initial robot memory and environment configurations. We evaluate adaptations of ReAct, VLM-TAMP, and Tru-POMDP within a shared execution framework across 90 tasks-environment-memory combinations, totaling 1,350 episodes. Our evaluation measures task success, partial completion, and action efficiency, along with rule-based analysis of execution traces. ReAct achieves the highest overall task success (45.3%) and completion (71.7%), while having accurate initial memory does not consistently yield the highest performance for every planner. We identify recurring placement errors, precondition errors, and redundant actions through trace analysis. These findings highlight differences in how the evaluated planners use initial knowledge and respond to uncertainty.