Title:
ELEVATOR DOOR CONTROL DEVICE AND DOOR CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2015/159597
Kind Code:
A1
Abstract:
An elevator door control device comprises a belt vibration detecting unit that detects the presence of abnormalities in belt vibrations on the basis of the actual speed of a motor. The belt vibration detecting unit extracts a vibration component of the actual speed during an interval that contains the time of the maximum acceleration or the maximum deceleration, and determines that the belt is vibrating abnormally when the extracted vibration component exceeds a reference value.
Inventors:
SUGAHARA MASAYUKI (JP)
Application Number:
PCT/JP2015/055790
Publication Date:
October 22, 2015
Filing Date:
February 27, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B13/14
Foreign References:
| JP2011063405A | 2011-03-31 | |||
| JP2010074887A | 2010-04-02 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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