Development of a middle-range six-degrees-of-freedom system

W. Jywe, Y. R. Jeng, C. H. Liu, Y. F. Teng, C. H. Wu, T. H. Hsieh, L. L. Duan

Research output: Contribution to journalArticle

3 Citations (Scopus)


This paper describes the successful development of a middle-range six-degrees-of-freedom stage, using the features of a flexible structure. The system includes two parts: a middlerange positioning X-Y stage and a four-degrees-of-freedom stage. The flexible structure of the four-degrees-of-freedom stage is built from two kinds of flexible bodies: circular hinges and a new two-degrees-of-freedom flexible body. The four-degrees-of-freedom stage was designed to compensate movement errors including linear displacement, pitch, and roll errors. The linear displacement reaches 20mm along the X-axis, 20mm along the Y-axis, and 5 μm along the Z-axis. The rotation angle around the X-axis (θx), Y-axis (θy), and Z-axis (θz) were all 10 arcsec. A novel six-degrees-of-freedom measuring system was also designed. Precision feedback control is demonstrated in a series of experiments performed using the proposed measurement system.

Original languageEnglish
Pages (from-to)679-688
Number of pages10
JournalProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
Issue number4
Publication statusPublished - 2010 Apr

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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