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Stochastic Optimal Motion Planning for the Attitude Kinematics of a Rigid Body With Non Gaussian Uncertainties
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates global uncertainty propagation and stochastic motion planning for the attitude kinematics of a rigid body. The Fokker–Planck equation on the special orthogonal group is numerically solved via ...
Geometric Adaptive Controls of a Quadrotor Unmanned Aerial Vehicle With Decoupled Attitude Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a geometric adaptive position tracking control system for a quadrotor unmanned aerial vehicle. In particular, the attitude control system is designed on the product of the two-dimensional unit sphere ...
Stabilization of a Rigid Body Payload With Multiple Cooperative Quadrotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the full dynamics and control of arbitrary number of quadrotor unmanned aerial vehicles (UAVs) transporting a rigid body. The rigid body is connected to the quadrotors via flexible cables where each ...
Geometric Adaptive Tracking Control of a Quadrotor Unmanned Aerial Vehicle on SE(3) for Agile Maneuvers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents nonlinear tracking control systems for a quadrotor unmanned aerial vehicle (UAV) under the influence of uncertainties. Assuming that there exist unstructured disturbances in the translational dynamics ...
High-Order Time-Integration Schemes with Explicit Time-Splitting Methods
Publisher: American Meteorological Society
Abstract: New high-order time-integration schemes for fully elastic models are presented. The new schemes, formulated using the Richardson extrapolation that employs leapfrog-type schemes, can give a good performance for linear model ...
Semiglobal Nonmemoryless Attitude Controls on the Special Orthogonal Group
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents tracking strategies for the attitude dynamics of a rigid body that are global on the configuration space SO(3) and semiglobal over the phase space SO(3)×ℝ3. It is well known that global attractivity is ...
A Numerical Modeling Study of Mesoscale Cyclogenesis to the East of the Korean Peninsula
Publisher: American Meteorological Society
Abstract: Numerical simulations and the analysis of observational data are employed to understand the mesoscale cyclogenesis in a polar airstream that occurred over the sea to the east of the Korean peninsula on 28?29 January 1995. ...
A Snow-Ratio Equation and Its Application to Numerical Snowfall Prediction
Publisher: American Meteorological Society
Abstract: This study 1) presents a logistic regression equation of the snow ratio (SR) for use in a conversion of numerically predicted precipitation amounts into snowfall depths and 2) examines the quality of snowfall-depth forecasts ...
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