Efficient and Compliant Control Framework for Versatile Human-Humanoid Collaborative Transportation

• URL: http://arxiv.org/abs/2512.07819v1
• Date: Mon, 08 Dec 2025 18:52:10 GMT
• Title: Efficient and Compliant Control Framework for Versatile Human-Humanoid Collaborative Transportation
• Abstract summary: We present a control framework that enables humanoid robots to perform collaborative transportation tasks with a human partner.<n>The framework supports both translational and rotational motions, which are fundamental to co-transport scenarios.<n>It comprises three components: a high-level planner, a low-level controller, and a stiffness modulation mechanism.
• Score: 2.4087148947930634
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present a control framework that enables humanoid robots to perform collaborative transportation tasks with a human partner. The framework supports both translational and rotational motions, which are fundamental to co-transport scenarios. It comprises three components: a high-level planner, a low-level controller, and a stiffness modulation mechanism. At the planning level, we introduce the Interaction Linear Inverted Pendulum (I-LIP), which, combined with an admittance model and an MPC formulation, generates dynamically feasible footstep plans. These are executed by a QP-based whole-body controller that accounts for the coupled humanoid-object dynamics. Stiffness modulation regulates robot-object interaction, ensuring convergence to the desired relative configuration defined by the distance between the object and the robot's center of mass. We validate the effectiveness of the framework through real-world experiments conducted on the Digit humanoid platform. To quantify collaboration quality, we propose an efficiency metric that captures both task performance and inter-agent coordination. We show that this metric highlights the role of compliance in collaborative tasks and offers insights into desirable trajectory characteristics across both high- and low-level control layers. Finally, we showcase experimental results on collaborative behaviors, including translation, turning, and combined motions such as semi circular trajectories, representative of naturally occurring co-transportation tasks.

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