Английская Википедия:Common normal (robotics)
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In robotics the common normal of two non-intersecting joint axes is a line perpendicular to both axes.[1]
The common normal can be used to characterize robot arm links, by using the "common normal distance" and the angle between the link axes in a plane perpendicular to the common normal.[2] When two consecutive joint axes are parallel, the common normal is not unique and an arbitrary common normal may be used, usually one that passes through the center of a coordinate system.[3]
The common normal is widely used in the representation of the frames of reference for robot joints and links, and the selection of minimal representations with the Denavit–Hartenberg parameters.
See also
References
- ↑ Introduction to Robotics by Saeed Niku Шаблон:ISBN page 75
- ↑ Robot manipulators: mathematics, programming, and control by Richard P. Paul 1981 Шаблон:ISBN page 51
- ↑ Foundations of Robotics: Analysis and Control by Tsuneo Yoshikawa 1990 Шаблон:ISBN page 33
