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 noncommutative harmonic analysis to propagate a probability density function along flows of the attitude kinematics. Based on this, a stochastic optimal control problem is formulated to rotate a rigid body while avoiding obstacles within uncertain environments in an optimal fashion. The proposed intrinsic, geometric formulation does not require the common assumption that uncertainties are Gaussian or localized. It can be also applied to complex rotational maneuvers of a rigid body without singularities in a unified way. The desirable properties are illustrated by numerical examples.
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March 2015
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Stochastic Optimal Motion Planning for the Attitude Kinematics of a Rigid Body With Non-Gaussian Uncertainties
Taeyoung Lee
Taeyoung Lee
Assistant Professor
Department of Mechanical and Aerospace Engineering,
e-mail: tylee@gwu.edu
Department of Mechanical and Aerospace Engineering,
George Washington University
,Washington, DC 20052
e-mail: tylee@gwu.edu
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Taeyoung Lee
Assistant Professor
Department of Mechanical and Aerospace Engineering,
e-mail: tylee@gwu.edu
Department of Mechanical and Aerospace Engineering,
George Washington University
,Washington, DC 20052
e-mail: tylee@gwu.edu
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received January 31, 2014; final manuscript received June 6, 2014; published online October 21, 2014. Assoc. Editor: Jongeun Choi.
J. Dyn. Sys., Meas., Control. Mar 2015, 137(3): 034502 (7 pages)
Published Online: October 21, 2014
Article history
Received:
January 31, 2014
Revision Received:
June 6, 2014
Citation
Lee, T. (October 21, 2014). "Stochastic Optimal Motion Planning for the Attitude Kinematics of a Rigid Body With Non-Gaussian Uncertainties." ASME. J. Dyn. Sys., Meas., Control. March 2015; 137(3): 034502. https://doi.org/10.1115/1.4027950
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