Method and apparatus for combining a targetless optical measurement function and optical projection of information
AssigneeThe Boeing Company
InventorsJonathan Clair, Mitchell Voth, David Soreide, William Sherman
Life of this patent
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Abstract
Systems and methods are provided for targetless optical measurement and optical information projection. A non-contact optical measurement device is provided for determining at least one of position and orientation of a workpiece. A projector is provided for projecting a part definition on the workpiece. Advantageously, beams from the non-contact optical measurement device and the projector pass through common optics.
Claims46
A system comprising:
- a non-contact optical measurement device for determining at least one of position and orientation of a workpiece;
- a projector for projecting a part definition on the workpiece;
- and
- common optics through which pass beams from the non-contact optical measurement device and the projector.
A method comprising:
- determining at least one of position and orientation of a workpiece with a non-contact optical measurement device;
- projecting a part definition on the workpiece with a projector;
- and
- passing beams from the non-contact optical measurement device and the projector through common optics.
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A system comprising:
- a first laser configured to project a first laser beam onto a surface of a part under measurement, the first laser being a non-time-of-flight laser;
- a range measurement component configured to receive reflection from the first laser reflecting off the surface of the part under measurement, the range measurement component being arranged to determine range and orientation of the surface of the part under measurement relative to the first laser;
- a second laser configured to project a second laser beam onto the surface of the part under measurement, the second laser beam having a wavelength within the visible light spectrum, the second laser beam being co-aligned with the first laser beam;
- and
- a scanning apparatus configured to direct the first and second laser beams over the surface of the part under measurement.
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A scanning apparatus for directing at least one laser beam onto a surface of a part, the scanning apparatus comprising:
- first and second scanning mirrors driven by first and second scanning galvanometers, respectively, having first and second axes that are substantially perpendicular to each other;
- and
- a third mirror driven by a third scanning motor integrated with an angle encoder, the third mirror being oriented around 45 degrees with respect to its rotation axis, a rotation axis of the third mirror being substantially perpendicular to the axis of rotation of the second galvanometer.
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A method of controlling projection of a pattern of visible light onto a surface, the method comprising:
- inputting first three-dimensional coordinates of a location on a surface upon which a pattern is to be projected;
- transforming the first three-dimensional coordinates to second three-dimensional coordinates;
- and
- computing scan angles for directing a beam of visible light in the pattern to be projected on the location on the surface.
A computer software program product for controlling projection of a pattern of visible light onto a surface, the method comprising:
- first computer software program code means for inputting first three-dimensional coordinates of a location on a surface upon which a pattern is to be projected;
- second computer software program code means for transforming the first three-dimensional coordinates to second three-dimensional coordinates;
- and
- third computer software program code means for computing scan angles for directing a beam of visible light in the pattern to be projected on the location on the surface.
Dependencies are inferred from the claim text.