Title:
METHOD AND DEVICE FOR DETECTING INSTALLATION POSITION OF DRIVE SHAFTING IN MARINE PROPELLING DEVICE, AND PROGRAM FOR DETECTING THE INSTALLATION POSITION
Document Type and Number:
WIPO Patent Application WO/2002/090885
Kind Code:
A1
Abstract:
A method for detecting the installation position of a drive shafting, comprising the steps of temporarily setting the installation heights of the remaining bearings against the reference installation heights of reference bearings for a crank shaft and a propelling shaft, calculating, based on the temporary installation heights, a crank differential in each crank throw and a bearing load on the propelling shaft by using a transfer matrix method, calculating an evaluation value based on a difference between the calculated differential value and calculated bearing load value and an actually measured measurement differential value and a measured bearing load value, comparing the evaluation value with an allowable value, when the evaluation value exceeds the allowable value, newly preparing a binary temporary installation height by using a genetic algorithm and, based on the new temporary installation height, re-calculating the evaluation value, and repeating the same steps until the evaluation value falls into the allowable value.
Inventors:
SUGIMOTO IWAO
Application Number:
PCT/JP2002/004004
Publication Date:
November 14, 2002
Filing Date:
April 22, 2002
Export Citation:
Assignee:
HITACHI SHIPBUILDING ENG CO (JP)
International Classes:
G01B21/02; B63B9/00; G01B5/00; G01B21/00; G01M13/02; (IPC1-7): G01B21/00; B63B9/00
Foreign References:
| JPH0891283A | 1996-04-09 | |||
| JPH07318459A | 1995-12-08 | |||
| JP2000028348A | 2000-01-28 | |||
| JP2000088709A | 2000-03-31 | |||
| JP2001039382A | 2001-02-13 | |||
| EP0015654A1 | 1980-09-17 |
Other References:
See also references of EP 1384974A4
Attorney, Agent or Firm:
Morimoto, Yoshihiro (4th Floor 10-10 Nishi-Hommachi 1-chome Nishi-k, Osaka-shi Osaka, JP)
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