RoboBoom
MIT Robotics· May 22, 2023· 1:05:03

MIT Robotics - Dieter Fox - Toward Foundational Robot Manipulation Skills

Dieter Fox, senior research director at NVIDIA and professor at the University of Washington, discusses building reusable robot manipulation skills in a talk hosted by MIT Robotics.

In this talk

  1. 2:49

    What foundation models leave for robotics

    Fox compares language and vision models with robot learning, arguing that their training resembles behavior cloning from large collections of meaningful examples. He expects these models to improve reasoning and perception, while physical reasoning and control still require robotics expertise and robust low-level skills.

  2. 19:54

    Simulation-trained object manipulation

    Fox describes an object-centric pipeline that segments unfamiliar objects, generates candidate grasps, and checks for collisions. Training uses simulated scenes and thousands of object shapes; he reports that the grasping system transfers to real-world trials without additional real-world fine-tuning. When an object blocks the target, the robot can move the obstacle and try again.

  3. 36:18

    Language-guided, action-centric manipulation

    Fox contrasts object-based methods with CLIPort and Perceiver-Actor, which use language instructions and demonstrations to predict gripper actions. Perceiver-Actor represents a 3D scene with voxels and learns from 53 real-world demonstrations; a later multi-view model reduced reported training time from 16 days to 3.3 days.

  4. 45:49

    Toward reusable skills and scalable data

    Fox wants broad skills such as open, close, pick up, place, and insert to work across objects, environments, and research labs. His proposed interface starts with a skill word and a pixel indicating the target. The team plans to generate cabinet scenes, tasks, and demonstrations in physics simulation, then use large-scale behavior cloning and test transfer to real robots.

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