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Patent Searching and Data


Title:
ELEVATOR HAVING ACTIVE VIBRATION CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2014201429
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress vibration of a car efficiently with a simple structure and less number of actuators and sensors, even when two or more vibration modes are suppressed.SOLUTION: An elevator having an active vibration control device comprises: guide rails 70a, 70b disposed on left and right axes passing left and right positions of a car 1 and a gravity position of the car 1; multiple acceleration detectors 7, 8, 9, 10, 11, 12 for detecting vibration in a lateral direction and in a cross direction of the car 1; and a first controller 13 and a second controller 14 for controlling actuators 30a, 30b, 50a, 50b, 60a, 60b based on output of the acceleration detectors. The first controller controls a translation amount in the cross direction, a rotation amount around the left and right axes, and a rotation amount around a vertical axis, and the second controller controls a translation amount in the lateral direction, and a rotation amount around a cross axis.

Inventors:
ARAKAWA ATSUSHI
NOGUCHI NAOAKI
MIYATA HIROICHI
MIYOSHI HIROSHI
KAWAMURA YOSUKE
Application Number:
JP2013081751A
Publication Date:
October 27, 2014
Filing Date:
April 10, 2013
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
B66B11/02; B66B7/04
Domestic Patent References:
JPH08245117A1996-09-24
JP2001261263A2001-09-26
JP2006131385A2006-05-25
JP2009256056A2009-11-05
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Shigemi Iwasaki