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Title:
LINK ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2020/246384
Kind Code:
A1
Abstract:
This link actuator (50), which actuates a parallel link mechanism (1) in which a spherical drive mechanism is configured, comprises a control device (100) configured to calculate, using spherical trigonometry, the posture of a second link hub (3) from angles βA1, βA2 indicating the posture of a first end link member (5) for a first link hub (2) of at least two link mechanisms of three link mechanisms (4). Accordingly, a link actuator that can execute forward conversion in real time is provided.

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Inventors:
HAYASHI AKIHIRO (JP)
FUKUMARU HIROFUMI (JP)
TAKAGI TOSHIKI (JP)
NOSE KENZOU (JP)
MATSUZAWA HIDEKI (JP)
Application Number:
PCT/JP2020/021339
Publication Date:
December 10, 2020
Filing Date:
May 29, 2020
Export Citation:
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Assignee:
KYUSHU INST TECH (JP)
NTN TOYO BEARING CO LTD (JP)
International Classes:
B25J11/00; F16H21/52
Foreign References:
JP2016147351A2016-08-18
JP2015155124A2015-08-27
JPS6165790A1986-04-04
JPS6133162B21986-07-31
JP2005098497A2005-04-14
Other References:
See also references of EP 3981553A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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