A Unified and General Humanoid Whole-Body Controller for Fine-Grained Locomotion

• URL: http://arxiv.org/abs/2502.03206v2
• Date: Thu, 06 Feb 2025 14:12:14 GMT
• Title: A Unified and General Humanoid Whole-Body Controller for Fine-Grained Locomotion
• Authors: Yufei Xue, Wentao Dong, Minghuan Liu, Weinan Zhang, Jiangmiao Pang,
• Abstract summary: We propose HugWBC: a unified and general humanoid whole-body controller for fine-grained locomotion. HuGWBC enables real-world humanoid robots to produce various natural gaits, including walking (running), jumping, standing, and hopping, with customizable parameters. HuGWBC also supports real-time interventions from external upper-body controllers like teleoperation, enabling loco-manipulation.
• Score: 30.418274871034775
• License:
• Abstract: Locomotion is a fundamental skill for humanoid robots. However, most existing works made locomotion a single, tedious, unextendable, and passive movement. This limits the kinematic capabilities of humanoid robots. In contrast, humans possess versatile athletic abilities-running, jumping, hopping, and finely adjusting walking parameters such as frequency, and foot height. In this paper, we investigate solutions to bring such versatility into humanoid locomotion and thereby propose HUGWBC: a unified and general humanoid whole-body controller for fine-grained locomotion. By designing a general command space in the aspect of tasks and behaviors, along with advanced techniques like symmetrical loss and intervention training for learning a whole-body humanoid controlling policy in simulation, HugWBC enables real-world humanoid robots to produce various natural gaits, including walking (running), jumping, standing, and hopping, with customizable parameters such as frequency, foot swing height, further combined with different body height, waist rotation, and body pitch, all in one single policy. Beyond locomotion, HUGWBC also supports real-time interventions from external upper-body controllers like teleoperation, enabling loco-manipulation while maintaining precise control under any locomotive behavior. Our experiments validate the high tracking accuracy and robustness of HUGWBC with/without upper-body intervention for all commands, and we further provide an in-depth analysis of how the various commands affect humanoid movement and offer insights into the relationships between these commands. To our knowledge, HugWBC is the first humanoid whole-body controller that supports such fine-grained locomotion behaviors with high robustness and flexibility.

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