Key to rich, dexterous manipulation in the real world is the ability to coordinate control across two hands. However, while the promise afforded by bimanual robotic systems is immense, constructing control policies for dual arm autonomous systems brings inherent difficulties. One such difficulty is the high-dimensionality of the bimanual action space, which adds complexity to both model-based and data-driven methods. We counteract this challenge by drawing inspiration from humans to propose a novel role assignment framework: a stabilizing arm holds an object in place to simplify the environment while an acting arm executes the task. We instantiate this framework with BimanUal Dexterity from Stabilization (BUDS), which uses a learned restabilizing classifier to alternate between updating a learned stabilization position to keep the environment unchanged, and accomplishing the task with an acting policy learned from demonstrations. We evaluate BUDS on four bimanual tasks of varying complexities on real-world robots, such as zipping jackets and cutting vegetables. Given only 20 demonstrations, BUDS achieves 76.9% task success across our task suite, and generalizes to out-of-distribution objects within a class with a 52.7% success rate. BUDS is 56.0% more successful than an unstructured baseline that instead learns a BC stabilizing policy due to the precision required of these complex tasks. Supplementary material and videos can be found at https://sites.google.com/view/stabilizetoact .

借鉴人类，提出了一种新颖的角色分配框架：一个稳定的手臂将物体固定在原位以简化环境，而另一个执行手臂执行任务。通过BimanUal Dexterity from Stabilization (BUDS) 实现了该框架，并在真实世界的机器人上评估了其性能，在各种复杂性的四个双手任务中，仅通过20次演示，BUDS 在任务套件中实现了 76.9% 的成功率，且能够以 52.7% 的成功率推广到同一类别的不同对象。BUDS 比基于 BC 稳定策略的非结构化基线成功率提高了 56.0%，这是由于这些复杂任务所要求的高精度。

稳定以行动：学习协调的双手操作