Title:
SHIP NAVIGATION ASSISTANCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/182007
Kind Code:
A1
Abstract:
A ship navigation assistance device is provided with: an area setting unit 304 for setting, with respect to a different ship, a polygonal safe passing area which is configured by a plurality of vertexes and surrounds the different ship; a collision point calculation unit 305 for calculating, on the basis of the speed of an own ship, a relative position of the own ship to the different ship, and a speed vector of the different ship, a collision point between each of the plurality of vertexes which constitute the safe passing area and the own ship; and a collision danger range calculation unit 306 for calculating a collision danger range by connecting a plurality of collision points calculated by the collision point calculation unit 305.
Inventors:
HAKOYAMA TADASHIGE (JP)
YAGI OSAMU (JP)
YAGI OSAMU (JP)
Application Number:
PCT/JP2019/011684
Publication Date:
September 26, 2019
Filing Date:
March 20, 2019
Export Citation:
Assignee:
TOKYO KEIKI INC (JP)
International Classes:
G08G3/02; B63B43/18; B63B49/00; G01S13/937
Foreign References:
| JPH07246998A | 1995-09-26 | |||
| JPH07304496A | 1995-11-21 | |||
| JP2013107488A | 2013-06-06 | |||
| JP2017054215A | 2017-03-16 | |||
| KR20090092462A | 2009-09-01 | |||
| JPH07246998A | 1995-09-26 |
Other References:
See also references of EP 3770882A4
Attorney, Agent or Firm:
AKAZAWA, Hideo (JP)
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