Journal of Applied Mathematics and Mechanics (about journal) Journal of Applied
Mathematics and Mechanics

Russian Academy of Sciences
in January 1936
(Translated from 1958)
Issued 6 times a year
ISSN 0021-8928
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IssuesArchive of Issues2013-4pp.380-385

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S.Ye. Perelyayev, "New kinematic parameters of the finite rotation of a rigid body," J. Appl. Math. Mech. 77 (4), 380-385 (2013)
Year 2013 Volume 77 Issue 4 Pages 380-385
Title New kinematic parameters of the finite rotation of a rigid body
Author(s) S.Ye. Perelyayev (Moscow, Russia,
Abstract A new family of kinematic parameters for the orientation of a rigid body (global and local) is presented and described. All the kinematic parameters are obtained by mapping the variables onto a corresponding orientated subspace (hyperplane). In particular, a method of stereographically projecting a point belonging to a five-dimensional sphere S5R6 onto an orientated hyperplane R5 is demonstrated in the case of the classical direction cosines of the angles specifying the orientation of two systems of coordinates. A family of global kinematic parameters is described, obtained by mapping the Hopf five-dimensional kinematic parameters defined in the space R5 onto a four-dimensional orientated subspace R4. A correspondence between the five-dimensional and four-dimensional kinematic parameters defined in the corresponding spaces is established on the basis of a theorem on the homeomorphism of two topological spaces (a four-dimensional sphere S4R5 with one deleted point and an orientated hyperplane in R4). It is also shown to which global four-dimensional orientation parametersľquaternions defined in the space R4 the classical local parameters, that is, the three-dimensional Rodrigues and Gibbs finite rotation vectors, correspond. The kinematic differential rotational equations corresponding to the five-dimensional and four-dimensional orientation parameters are obtained by the projection method. All the rigid body kinematic orientation parameters enable one, using the kinematic equations corresponding to them, to solve the classical Darboux problem, that is, to determine the actual angular position of a body in a three-dimensional space using the known (measured) angular velocity of rotation of the object and its specified initial position.
Received 21 February 2012
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