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Zhihai Bi

6 accepted papers

2026

A Reconfigured Wheel-Legged Robot for Enhanced Steering and Adaptability

RA-L 2026

Wheel-legged robots integrate leg agility on rough terrain with wheel efficiency on flat ground. However, most existing designs do not fully capitalize on the benefits of both legged and wheeled structures, which limits overall system flexibility and efficiency. We present FLORES, a novel wheel-legg

Cited by 1SourcecodeScholar
2026

Embracing Bulky Objects with Humanoid Robots: Whole-Body Manipulation with Reinforcement Learning

ICRA 2026poster

Whole-body manipulation (WBM) for humanoid robots presents a promising approach for executing embracing tasks involving bulky objects, where traditional grasping relying on end-effectors only remains limited in such scenarios due to inherent stability and payload constraints. This paper introduces a…

2026

Online Trajectory Optimization for Arbitrary-Shaped Mobile Robots via Polynomial Separating Hypersurfaces

RA-L 2026

An emerging class of trajectory optimization methods enforces collision avoidance by jointly optimizing the robot's configuration and a separating hyperplane. However, as linear separators only apply to convex sets, these methods require convex approximations of both the robot and obstacles, which b

Cited by 1SourceScholar
2025

FRTree Planner: Robot Navigation in Cluttered and Unknown Environments With Tree of Free Regions

RA-L 2025

In this work, we present FRTree planner, a novel robot navigation framework that leverages a tree structure of free regions, specifically designed for navigation in cluttered and unknown environments with narrow passages. The framework continuously incorporates real-time perceptive information to id

Cited by 6SourceScholar
2025

Interactive Navigation for Legged Manipulators with Learned Arm-Pushing Controller

IROS 2025

Interactive navigation is crucial in scenarios where proactively interacting with objects can yield shorter paths, thus significantly improving traversal efficiency. Existing methods primarily focus on using the robot body to relocate obstacles during navigation. However, they prove ineffective in n

Cited by 5SourcecodeScholar
2025

Local Reactive Control for Mobile Manipulators With Whole-Body Safety in Complex Environments

RA-L 2025

Mobile manipulators typically encounter significant challenges in navigating narrow, cluttered environments due to their high-dimensional state spaces and complex kinematics. While reactive methods excel in dynamic settings, they struggle to efficiently incorporate complex, coupled constraints acros

Cited by 5SourceScholar