Design, Modeling, and Control of a Quadruped Robot SPIDAR: Spherically Vectorable and Distributed Rotors Assisted Air-Ground Quadruped RobotMoju Zhao, Tomoki Anzai, Takuzumi NishioLast updated on Feb 8, 2026 International, JournalCite Video DOIRobots Rotors Legged Locomotion Quadrupedal Robots Biological System Modeling Atmospheric Modeling Torso Legged Robots Aerial Systems: Mechanics and Control Motion Control