Title:
ERROR DETECTION SYSTEM FOR UNPILOTED CONVEYANCE VEHICLES
Document Type and Number:
WIPO Patent Application WO/2014/021362
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an error detection system for unpiloted conveyance vehicles, capable of advance detection of errors in the unpiloted conveyance vehicles, before an abnormal stop (shutdown) of the unpiloted conveyance vehicles. A system that detects errors in the unpiloted conveyance vehicles traveling on a circular route, and includes: a history storage unit that stores, for each cycle, a log of changes in the battery current of the unpiloted conveyance vehicles; and an error determination unit that determines the existence of errors in the unpiloted conveyance vehicles, on the basis of the battery current change log stored for each cycle.
Inventors:
FUKUI TOSHIHITO (JP)
HIRAYAMA MITSURU (JP)
HIRAYAMA MITSURU (JP)
Application Number:
PCT/JP2013/070705
Publication Date:
February 06, 2014
Filing Date:
July 31, 2013
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
G05D1/02; B60L11/18; B61B13/00; G05B23/02
Foreign References:
| JP2006004012A | 2006-01-05 | |||
| JPS6378205A | 1988-04-08 | |||
| JPH09251318A | 1997-09-22 | |||
| JPH09267614A | 1997-10-14 | |||
| JP2008128686A | 2008-06-05 | |||
| JP2012063961A | 2012-03-29 | |||
| JP2013125350A | 2013-06-24 | |||
| JP2007068398A | 2007-03-15 |
Other References:
See also references of EP 2881828A4
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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