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Higher-Order Kinematics of Rigid Bodies. A Tensors Algebra Approach

机译:刚体的高阶运动学。张于代数方法

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The problem of determining the tensors and the vector invariants that describe the vector field of the nth order accelerations is generally avoided in rigid body kinematics. This paper extends the discussion from velocities and accelerations to nth order accelerations. Using the tensor calculus and the dual numbers algebra, a computing method for studying the nth order acceleration field properties is proposed for the case of the general motion of the rigid body. This approach uses the isomorphism between the Lie group of the rigid displacements SE_3 and the Lie group of the orthogonal dual tensors SO_3.
机译:在刚体运动学中通常避免确定描述第n个顺序加速度的卷曲物和载体不变的问题。本文将讨论从速度和加速器扩展到第n个订单加速度。使用张量微积分和双数代数,提出了一种用于研究第n阶加速场特性的计算方法,用于刚体的一般运动的情况。这种方法使用刚性位移Se_3的谎言组和正交双张力SO_3的LIE组之间的同构。

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