Method for determining measuring points

Details Method for determining measuring points Method for determining measuring points

2011-01-25

2011-01-25

Lau, Tung S (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

Reexamination Certificate

active

07877225

ABSTRACT:
In a method for determining measurement points on a physical object, a number of measurement points are first selected in a graphical computer model of the object, until a sufficient number of measuring points have been selected so as to allow the position and orientation (lay) of the object to be determined relative to a reference system. A further measuring point of the object is then selected in the graphical computer model, and a check is automatically made to determine whether the further measuring point can determine the lay of the object relative to the reference coordinate system more accurately. If so, the further measuring point is used for this determination. Further measuring points are selected and checked in this manner, until the lay of the object can be determined better than with a predefined tolerance.

REFERENCES:
patent: 2004/0133382 (2004-07-01), Ban et al.
patent: 2006/0181236 (2006-08-01), Brogardh
patent: 06307842 (1994-11-01), None
Fan Zhang, InSAR Imaging Geometry Simulation Based on Computer Graphics, National Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences, Lab 1, No. 19 Beisihuan Xilu P.O.Box 2702, Beijing 100190 P. R. China, zhangfan1998@hotmail.com, p. 781-784, 2008.
Bernard C. Jiang, Journal of Intelligent Manufacturing, Form tolerance-based measurement points determination with CMM, vol. 13, No. 2, p. 101-108, 2002.

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