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Automatic in-line i...
Automatic in-line inspection of shape based on photogrammetry
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Bergström, Per 1981- (författare)
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Fergusson, Michael (författare)
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Folkesson, Patrik (författare)
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visa fler...
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Runnemalm, Anna (författare)
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Ottosson, Mattias (författare)
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Andersson, Alf (författare)
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Sjödahl, Mikael 1965- (författare)
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visa färre...
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(utgivare)
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(utgivare)
- Lund SPS16 2016
- Engelska.
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Ingår i: SPS16.
Abstract
Ämnesord
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- We are describing a fully automatic in-line shape inspection system for controlling the shape of moving objects on a conveyor belt. The shapes of the objects are measured using a full-field optical shape measurement method based on photogrammetry. The photogrammetry system consists of four cameras, a flash, and a triggering device. When an object to be measured arrives at a given position relative to the system, the flash and cameras are synchronously triggered to capture images of the moving object. From the captured images a point-cloud representing the measured shape is created. The point-cloud is then aligned to a CAD-model, which defines the nominal shape of the measured object, using a best-fit method and a feature-based alignment method. Deviations between the point-cloud and the CAD-model are computed giving the output of the inspection process. The computational time to create a point-cloud from the captured images is about 30 seconds and the computational time for the comparison with the CAD-model is about ten milliseconds. We report on recent progress with the shape inspection system.
Ämnesord
- Natural Sciences (hsv)
- Mathematics (hsv)
- Mathematical Analysis (hsv)
- Naturvetenskap (hsv)
- Matematik (hsv)
- Matematisk analys (hsv)
- Engineering and Technology (hsv)
- Mechanical Engineering (hsv)
- Applied Mechanics (hsv)
- Teknik och teknologier (hsv)
- Maskinteknik (hsv)
- Teknisk mekanik (hsv)
- Engineering and Technology (hsv)
- Mechanical Engineering (hsv)
- Production Engineering, Human Work Science and Ergonomics (hsv)
- Teknik och teknologier (hsv)
- Maskinteknik (hsv)
- Produktionsteknik, arbetsvetenskap och ergonomi (hsv)
- Experimental Mechanics (ltu)
- Experimentell mekanik (ltu)