Title:
REAL-TIME SERVO MOTOR CONTROLLER BASED ON A LOAD WEIGHT
Document Type and Number:
WIPO Patent Application WO/2012/077996
Kind Code:
A3
Abstract:
The present invention relates to a real-time servo motor controller based on a load weight, wherein the real-time servo motor controller is capable of not only adaptively controlling the servo motor when load inertia varies in accordance with the weight of a load (material) but also reflecting on a real-time basis various mechanical variables generated during load transfer, thus controlling the servo motor to an optimum condition regardless of the load weight. To this end, the real-time servo motor controller based on a load weight according to the present invention comprises: a control parameter provider which stores each control parameter measured while transferring each load for test, and provides a control parameter corresponding to the load inertia estimated on a real-time basis; a disturbance observer which estimates on a real-time basis disturbances generated during load transfer; a load inertia calculator which calculates the inertia of the load being transferred and outputs the calculated inertia to the control parameter provider; a servo controller which receives the control parameter from the control parameter provider to control the servo motor; and an upper layer controller which performs a control algorithm.
Inventors:
KIM KI HONG (KR)
Application Number:
PCT/KR2011/009486
Publication Date:
July 05, 2012
Filing Date:
December 08, 2011
Export Citation:
Assignee:
DOOSAN INFRACORE CO LTD (KR)
KIM KI HONG (KR)
KIM KI HONG (KR)
International Classes:
H02P5/00; G05B13/02; G05D3/12
Foreign References:
| KR20090073254A | 2009-07-02 | |||
| JP2008206331A | 2008-09-04 | |||
| JPH07141001A | 1995-06-02 | |||
| JP2000020104A | 2000-01-21 | |||
| JPH08263143A | 1996-10-11 | |||
| JP2005006418A | 2005-01-06 |
Attorney, Agent or Firm:
KIM, Kee-Hyo (Kukdong Building 60-1,Chungmuro3-ka, Chung-ku, Seoul 100-705, KR)
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Claims: