Title:
ANGLE DETECTION METHOD AND ANGLE DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/254992
Kind Code:
A1
Abstract:
Provided is an angle detection method using a detector (140) that acquires, as point data, the distance to an article (200) to detect the angle, relative to a predetermined vertical plane, of a detection surface portion (201) which includes a plane facing the detector (140) of the article (200) that is substantially rectangular, said method comprising: a point group acquisition step for acquiring, as point groups, the point data at a plurality of sites on the detection surface portion (201); a trimming step for extracting point groups within a predetermined height range from the point groups that have been acquired in the point group acquisition step; and an angle detection step for detecting the angle of the detection surface portion (201), on the basis of the point groups that have been extracted in the trimming step.
Inventors:
HASHIMOTO MANABU (JP)
FUKUSHIMA DAISUKE (JP)
FUKUSHIMA DAISUKE (JP)
Application Number:
PCT/JP2022/018427
Publication Date:
December 08, 2022
Filing Date:
April 21, 2022
Export Citation:
Assignee:
MURATA MACHINERY LTD (JP)
UMEMURA EDUCATIONAL INST (JP)
UMEMURA EDUCATIONAL INST (JP)
International Classes:
G01B11/26; G01B21/22
Domestic Patent References:
| WO2017175312A1 | 2017-10-12 | |||
| WO2011078264A1 | 2011-06-30 |
Foreign References:
| JP2017151650A | 2017-08-31 | |||
| JP2020160025A | 2020-10-01 |
Attorney, Agent or Firm:
NII, Hiromori (JP)
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