Stewart Gough platforms with non-cubic singularity surface

Stewart Gough platforms with non-cubic singularity surface
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DOI:
10.1016/j.mechmachtheory.2010.08.005
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发表时间:
2010-12
影响因子:
5.2
通讯作者:
G. Nawratil
G. Nawratil
中科院分区:
工程技术1区
文献类型:
--
作者:
G. Nawratil

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在一般情况下,Stewart Gough型并联机器人的奇异轨迹是平移空间中的三次曲面。在这篇文章中,我们确定所有的Stewart高夫平台,只有一个线性或二次奇异表面。这些操纵器的优点是,它们的奇异表面可以很容易地可视化,因为它是一个平面或二次曲面的任何方向的平台。此外,我们还给出了这些操作器的几何解释。
In the general case the singularity locus of a parallel manipulator of Stewart Gough type is a cubic surface in the space of translations. In this article we determine all Stewart Gough platforms which possess only a linear or quadratic singularity surface. These manipulators have the advantage, that their singularity surface can easily be visualized because it is a plane or a quadric for any orientation of the platform. Moreover we also give a geometric interpretation of these manipulators.