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Agile and Safe Trajectory Planning for Quadruped Navigation with Motion Anisotropy Awareness (2403.10101v1)

Published 15 Mar 2024 in cs.RO

Abstract: Quadruped robots demonstrate robust and agile movements in various terrains; however, their navigation autonomy is still insufficient. One of the challenges is that the motion capabilities of the quadruped robot are anisotropic along different directions, which significantly affects the safety of quadruped robot navigation. This paper proposes a navigation framework that takes into account the motion anisotropy of quadruped robots including kinodynamic trajectory generation, nonlinear trajectory optimization, and nonlinear model predictive control. In simulation and real robot tests, we demonstrate that our motion-anisotropy-aware navigation framework could: (1) generate more efficient trajectories and realize more agile quadruped navigation; (2) significantly improve the navigation safety in challenging scenarios. The implementation is realized as an open-source package at https://github.com/ZWT006/agile_navigation.

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Authors (4)
  1. Wentao Zhang (262 papers)
  2. Shaohang Xu (7 papers)
  3. Peiyuan Cai (2 papers)
  4. Lijun Zhu (79 papers)

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