Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POSITION CONTROL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/221226
Kind Code:
A1
Abstract:
This position control apparatus is provided with: an oil temperature acquisition device which acquires information on an oil temperature of a hydraulic actuator; a position acquisition device which acquires a real value of an operation position of an object; a position controller which calculates an operation instruction value for a control valve of the hydraulic actuator by means of a closed loop control so as to decrease a difference between a target value and the real value of the operation position of the object; and a gain setting device which changes at least one gain of the closed loop control in a manner such that the sensitivity of the closed loop control is improved, as the oil temperature is lowered.

Inventors:
KOBAYASHI SHUMA
MATSUDA KIPPEI
OOTSUKI SATOSHI
NAKASHIMA KENICHI
IMAI HIDEYUKI
ABE AKIHITO
Application Number:
PCT/JP2018/018953
Publication Date:
December 06, 2018
Filing Date:
May 16, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
G05D3/12; F16H61/02; F16H61/664
Foreign References:
JPS6415508A1989-01-19
JP2000039061A2000-02-08
JP2010036694A2010-02-18
JP2001164953A2001-06-19
JP4495117B22010-06-30
JP4495117B22010-06-30
Other References:
See also references of EP 3633484A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
Download PDF: