Hierarchical Trajectory Planning of Floating-Base Multi-Link Robot for Maneuvering in Confined EnvironmentsYicheng Chen, Jinjie Li, Haokun Liu, Zicheng Luo, Kotaro Kaneko, Moju ZhaoLast updated on Mar 6, 2026 International, JournalPDF Cite Video DOI WebsiteAerial Robots Motion and Path Planning Hierarchical Framework Trajectory Optimization Parallelization