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Imitate and Repurpose: Learning Reusable Robot Movement Skills From Human and Animal Behaviors

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arxiv 2203.17138 v1 pith:2DTUKZTW submitted 2022-03-31 cs.RO cs.AIcs.LG

classification cs.ROcs.AIcs.LG
keywords humanmodulemovementskillanimalapproachdatalearn
verification ladder T0 review T1 audit T2 compute T3 formal
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We investigate the use of prior knowledge of human and animal movement to learn reusable locomotion skills for real legged robots. Our approach builds upon previous work on imitating human or dog Motion Capture (MoCap) data to learn a movement skill module. Once learned, this skill module can be reused for complex downstream tasks. Importantly, due to the prior imposed by the MoCap data, our approach does not require extensive reward engineering to produce sensible and natural looking behavior at the time of reuse. This makes it easy to create well-regularized, task-oriented controllers that are suitable for deployment on real robots. We demonstrate how our skill module can be used for imitation, and train controllable walking and ball dribbling policies for both the ANYmal quadruped and OP3 humanoid. These policies are then deployed on hardware via zero-shot simulation-to-reality transfer. Accompanying videos are available at https://bit.ly/robot-npmp.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Agile perceptive multi-skill locomotion for quadrupedal robots in the wild

    cs.RO 2026-07 conditional novelty 7.0 of 10

    A single onboard policy trained with 2D trajectory-optimization priors, transformer latent actions, and reinforcement learning enables a quadruped to autonomously select gaits and traverse unstructured terrain at up to 6 m/s.

  2. Phase-Based Multi-Gait Learning for a Salamander-Like Robot

    cs.RO 2025-11 conditional novelty 6.0 of 10

    A phase-velocity RL controller with a coverage reward and symmetry augmentation lets a salamander-type robot acquire 22 omnidirectional gaits — including lateral, diagonal, and in-place rotation — without reference motions.

  3. The embodied brain: Bridging the brain, body, and behavior with biorealistic neuromechanical models

    q-bio.NC 2026-01 unverdicted novelty 2.0 of 10

    Neuromechanical digital twins—simulated bodies with artificial neural controllers—are maturing into tools that can infer unmeasurable physiological variables, test hypotheses, and link neuroscience with robotics and r...

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