Title:
LINEAR CONVEYOR
Document Type and Number:
WIPO Patent Application WO/2013/069203
Kind Code:
A1
Abstract:
A linear conveyor provided with: a linear motor stator (7) which includes a plurality of electromagnets (26), and in which each section thereof can be individually conduction controlled; conveyance carriages (4) which are provided with linear motor movable elements (8) and unique information storage means (55); a plurality of motor control devices (C) which individually conduction control the electromagnet in each of the sections; and a reading means (60) which reads position correction data for the conveyance carriages, the data being stored in the unique information storage means. Each motor control device uses the correction data read by the reading means to correct the target stopping position for the conveyance carriages, and implements conduction control on the basis of the corrected target stopping position.
Inventors:
TAKAGI KATSUYUKI (JP)
Application Number:
PCT/JP2012/006461
Publication Date:
May 16, 2013
Filing Date:
October 09, 2012
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
H02K41/03; B65G43/00; B65G54/02; H02P25/06
Foreign References:
| JP2003244929A | 2003-08-29 | |||
| JP2009187239A | 2009-08-20 | |||
| JP2004250180A | 2004-09-09 | |||
| JP2010130740A | 2010-06-10 | |||
| JP2011101552A | 2011-05-19 | |||
| JP2011098786A | 2011-05-19 |
Other References:
See also references of EP 2779432A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
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Claims: