High performance visual servoing for controlled μm-positioning

R.S. Pieters, P.P. Jonker, H. Nijmeijer

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)
234 Downloads (Pure)

Abstract

The research presented in this paper focuses on high performance visual servoing for controlled positioning on micrometer scale. Visual servoing means that the positioning of a x-y table is performed with a camera instead of encoders and one camera image and image processing should determine the position in the next iteration. With a frame rate of 1000 [fps], a maximum processing time of 1 millisecond is allowed for each image (132 × 45 pixels). The visual servoing task is performed on an OLED substrate, which can be found in displays, with a typical size of 80 by 220 µm. The repetitive pattern of the OLED substrate itself is used as an encoder and thus closing the control loop. We present the design choices made for the image processing algorithms and the experimental setup as well as their limitations.
Original languageEnglish
Title of host publicationProceedings of the 8th World Congress on Intelligent Control and Automation (WCICA 2010), 7-9 July 2010, Jinan, China
Place of PublicationChina, Jinan
PublisherInstitute of Electrical and Electronics Engineers
Pages379-384
ISBN (Print)978-142446712-9
DOIs
Publication statusPublished - 2010

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