YawSitter: Modeling and Controlling a Tail-Sitter UAV with Enhanced Yaw Control
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866916987370733568 |
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| author | Habel, Amir Mehboob, Fawad Sam, Jeffrin Fortin, Clement Tsetserukou, Dzmitry |
| author_facet | Habel, Amir Mehboob, Fawad Sam, Jeffrin Fortin, Clement Tsetserukou, Dzmitry |
| contents | Achieving precise lateral motion modeling and decoupled control in hover remains a significant challenge for tail-sitter Unmanned Aerial Vehicles (UAVs), primarily due to complex aerodynamic couplings and the absence of welldefined lateral dynamics. This paper presents a novel modeling and control strategy that enhances yaw authority and lateral motion by introducing a sideslip force model derived from differential propeller slipstream effects acting on the fuselage under differential thrust. The resulting lateral force along the body y-axis enables yaw-based lateral position control without inducing roll coupling. The control framework employs a YXZ Euler rotation formulation to accurately represent attitude and incorporate gravitational components while directly controlling yaw in the yaxis, thereby improving lateral dynamic behavior and avoiding singularities. The proposed approach is validated through trajectory-tracking simulations conducted in a Unity-based environment. Tests on both rectangular and circular paths in hover mode demonstrate stable performance, with low mean absolute position errors and yaw deviations constrained within 5.688 degrees. These results confirm the effectiveness of the proposed lateral force generation model and provide a foundation for the development of agile, hover-capable tail-sitter UAVs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_02968 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | YawSitter: Modeling and Controlling a Tail-Sitter UAV with Enhanced Yaw Control Habel, Amir Mehboob, Fawad Sam, Jeffrin Fortin, Clement Tsetserukou, Dzmitry Robotics Achieving precise lateral motion modeling and decoupled control in hover remains a significant challenge for tail-sitter Unmanned Aerial Vehicles (UAVs), primarily due to complex aerodynamic couplings and the absence of welldefined lateral dynamics. This paper presents a novel modeling and control strategy that enhances yaw authority and lateral motion by introducing a sideslip force model derived from differential propeller slipstream effects acting on the fuselage under differential thrust. The resulting lateral force along the body y-axis enables yaw-based lateral position control without inducing roll coupling. The control framework employs a YXZ Euler rotation formulation to accurately represent attitude and incorporate gravitational components while directly controlling yaw in the yaxis, thereby improving lateral dynamic behavior and avoiding singularities. The proposed approach is validated through trajectory-tracking simulations conducted in a Unity-based environment. Tests on both rectangular and circular paths in hover mode demonstrate stable performance, with low mean absolute position errors and yaw deviations constrained within 5.688 degrees. These results confirm the effectiveness of the proposed lateral force generation model and provide a foundation for the development of agile, hover-capable tail-sitter UAVs. |
| title | YawSitter: Modeling and Controlling a Tail-Sitter UAV with Enhanced Yaw Control |
| topic | Robotics |
| url | https://arxiv.org/abs/2510.02968 |