2009, English, Article edition: Microassembly for complex and solid 3D MEMS by 3D Vision-based control. Tamadazte, Brahim; Le Fort-Piat, Nadine; Marchand, Eric; ...

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Bookmark: http://trove.nla.gov.au/version/212280
Physical Description
  • text
Published
  • HAL - CCSD
  • 2009
Language
  • English

Edition details

Title
  • Microassembly for complex and solid 3D MEMS by 3D Vision-based control.
Author
  • Tamadazte, Brahim
  • Le Fort-Piat, Nadine
  • Marchand, Eric
  • Dembélé, Sounkalo
Published
  • HAL - CCSD
  • 2009
Physical Description
  • text
Subjects
Notes
  • This paper describes the vision-based methods developed for assembly of complex and solid 3D MEMS (micro electromechanical systems) structures. The microassembly process is based on sequential robotic operations such as planar positioning, gripping, orientation in space and insertion tasks. Each of these microassembly tasks is performed using a posebased visual control. To be able to control the microassembly process, a 3D model-based tracker is used. This tracker able to directly provides the 3D micro-object pose at real-time and from only a single view of the scene. The methods proposed in this paper are validated by an automatic assembly of fives silicon microparts of 400 µm 400 µm 100 µm on 3- levels. The insertion tolerance (mechanical play) is estimated to 3 µm. The weakness of this insertion tolerance allows to obtain solid and complex micro electromechanical structures without any external joining (glue, wending). Promising positioning and orientation accuracies are obtained who can reach 0.3 µm in position and 0.2° in orientation.
  • HAL:hal-00401816, version 1
  • HAL:http:/​/​hal.archives-ouvertes.fr/​hal-00401816/​en/​
Language
  • English
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