Straightness measuring method and straightness measuring...

Details Straightness measuring method and straightness measuring... Straightness measuring method and straightness measuring...

2009-10-28

2010-11-02

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Dimensional determination

Reexamination Certificate

active

07827003

ABSTRACT:
Distances from three displacement meters arranged in a first direction to three measuring points arranged along a measurement line that extends in the first direction on a surface of an object to be measured are measured while a movable body, which is either the three displacement meter or an object to be measured, is moved in the first direction relative to a stationary body, which is the other one. Solution candidates are determined which are defined by two profiles among a surface profile along the measurement line, a profile of locus curve which is the locus a reference point fixed to the movable body, and a profile of a pitching component accompanied with the movement of the movable body. One candidate solution with the highest fitness is extracted by applying a genetic algorithm using a fitness function defined on the basis of the other profile.

REFERENCES:
patent: 7318285 (2008-01-01), Matsumiya et al.
patent: 2003-254747 (2003-09-01), None

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