- Tytuł:
- An algorithm of a freeform surfaces measurement adjustment using a specification of the workpiece coordinate system location
- Autorzy:
-
Buša, J.
Buša, J. Jr.
Dovica, M.
Fabian, M.
Ižol, P.
Honus, S. - Powiązania:
- https://bibliotekanauki.pl/articles/103412.pdf
- Data publikacji:
- 2017
- Wydawca:
- Stowarzyszenie Inżynierów i Techników Mechaników Polskich
- Tematy:
-
freeform surface
cloud of points
Nelder-Mead method
Newton method - Opis:
- A difficulty of freeform surfaces evaluations lies in a setup of a coordinate measuring system in general, when it is not possible to use the standard system of alignment by a point, a line, and a surface. An algorithm for the measurement adjustment using a small workpiece coordinate system movement and rotation to achieve a smaller least square error of the produced surface for a given freeform surface defined by the function of two variables is considered. The algorithm uses the Newton method for calculation of the orthogonal distance of a measured point to a given surface and also for minimization of the sum of the distance squares. Numerical results for an example are given.
- Źródło:
-
Advances in Science and Technology. Research Journal; 2017, 11, 3; 223-232
2299-8624 - Pojawia się w:
- Advances in Science and Technology. Research Journal
- Dostawca treści:
- Biblioteka Nauki
Artykuł