Title:
建設機械の回転駆動装置
Document Type and Number:
Japanese Patent JP4099006
Kind Code:
B2
Abstract:
In a construction machine comprising an electric motor 6 for driving a rotational system, an operating member for instructing an operation of the electric motor 6, and a controller 9 for controlling the electric motor 6 according to an operation command from the operating member, the controller 9 has an emulation model 9a for simulating dynamic characteristics of a hydraulic rotation driving device in real time, and a target value for control is calculated from the emulation model 9a according to the operation command from the operating member to control the electric motor 6. Accordingly, the electric motor can mildly respond to the operation of a lever in an intermediate range and swiftly respond to a quick operation of the lever.
Inventors:
Naoki Kanno
Hideaki Yoshimatsu
Uejima Mamoru
Koji Inoue
Hideaki Yoshimatsu
Uejima Mamoru
Koji Inoue
Application Number:
JP2002136967A
Publication Date:
June 11, 2008
Filing Date:
May 13, 2002
Export Citation:
Assignee:
Kobelco Construction Machinery Co., Ltd.
KABUSHIKI KAISHA KOBE SEIKO SHO
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
H02P29/00; B66C23/00; B66C23/84; E02F9/12; E02F9/20; E02F9/22; F15B9/09; F15B11/02
Domestic Patent References:
| JP2001011897A | ||||
| JP2002104221A | ||||
| JP11282897A |
Foreign References:
| WO2002006076A1 | ||||
| US5953977 |
Attorney, Agent or Firm:
Etsushi Kotani
Kyuichi Ueki
Muramatsu Toshiro
Kyuichi Ueki
Muramatsu Toshiro