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Patent Searching and Data


Title:
METHOD FOR CONTROLLING A TWO-STAGE SPEED-CHANGING GEAR SYSTEM BY A SUBMOTOR
Document Type and Number:
WIPO Patent Application WO/2013/141428
Kind Code:
A1
Abstract:
The present invention relates to a method for controlling a two-stage speed-changing gear system by a submotor, and more particularly to a method which includes the steps of: calculating the speed of a main motor; calculating a new speed of the submotor depending on the speed of the main motor; and calculating a speed command value of the submotor based on the new and the former speed of the submotor to control the submotor according to the speed command value so as to change the speed, wherein the submotor is designed to stop or to revolve only in one direction, so that the speed may be stabilized even when the submotor is not in the stable control range.

Inventors:
LEE GI CHAE (KR)
Application Number:
PCT/KR2012/002235
Publication Date:
September 26, 2013
Filing Date:
March 27, 2012
Export Citation:
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Assignee:
G & C CO LTD (KR)
LEE GI CHAE (KR)
International Classes:
F16H59/36; F16H59/42; F16H61/02
Foreign References:
KR101122409B12012-03-09
KR100198846B11999-06-15
JP2003032814A2003-01-31
JP2002295674A2002-10-09
KR100428298B12004-04-28
Attorney, Agent or Firm:
DARAE IP FIRM (KR)
특허법인 다래 (KR)
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