Title:
ROTATINGLY DRIVING DEVICE OF CONSTRUCTION MACHINERY
Document Type and Number:
WIPO Patent Application WO/2003/096522
Kind Code:
A1
Abstract:
Construction machinery, comprising an electric motor (6) for driving a rotating system, an operating body for instructing the operation of the electric motor (6), and a controller (9) for controlling the electric motor (6) according to the operating instruction of the operating body, the controller (9) further comprising an emulation model (9a) for simulating, in real time, the dynamic characteristics of a hydraulic rotatingly driving device, characterized in that, by calculating a control target value by the emulation model (9a) according to the operating instruction of the operating body to control the electric motor (6), the controller gently responds when a lever is operated in an intermediate area and rapidly responds when the lever is abruptly operated.
Inventors:
SUGANO NAOKI (JP)
YOSHIMATSU HIDEAKI (JP)
UEJIMA MAMORU (JP)
INOUE KOJI (JP)
YOSHIMATSU HIDEAKI (JP)
UEJIMA MAMORU (JP)
INOUE KOJI (JP)
Application Number:
PCT/JP2003/005138
Publication Date:
November 20, 2003
Filing Date:
April 23, 2003
Export Citation:
Assignee:
KOBELCO CONSTR MACHINERY LTD (JP)
KOBE STEEL LTD (JP)
SUGANO NAOKI (JP)
YOSHIMATSU HIDEAKI (JP)
UEJIMA MAMORU (JP)
INOUE KOJI (JP)
KOBE STEEL LTD (JP)
SUGANO NAOKI (JP)
YOSHIMATSU HIDEAKI (JP)
UEJIMA MAMORU (JP)
INOUE KOJI (JP)
International Classes:
B66C23/00; B66C23/84; E02F9/12; H02P29/00; E02F9/20; E02F9/22; F15B9/09; F15B11/02; (IPC1-7): H02P5/00; E02F9/22; B66C23/84
Foreign References:
| JP2001011897A | 2001-01-16 | |||
| EP1193160A2 | 2002-04-03 | |||
| US6304835B1 | 2001-10-16 | |||
| JP2002062230A | 2002-02-28 |
Attorney, Agent or Firm:
Kotani, Etsuji (2-2 Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka, JP)
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