Title:
CONTROL DEVICE FOR CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2023/171295
Kind Code:
A1
Abstract:
A control device (100A) comprises a rotation speed detection unit (101) and a control unit (50). The control unit (50) executes each of: a feed-forward control in which the load torque speed (Trs) of an engine (10) is calculated on the basis of a discharge quantity (Q) commanded for a hydraulic pump (11), and a target rotation speed is corrected in accordance with at least the load torque speed; and a feedback control in which the target rotation speed is corrected in accordance with the deviation between the target rotation speed (Nd) of the engine and the rotation speed (Nr) detected by the rotation speed detection unit (101).
Inventors:
KAMADA MASASHI
KAWAMOTO MASAHIRO
KAWAMOTO MASAHIRO
Application Number:
PCT/JP2023/005515
Publication Date:
September 14, 2023
Filing Date:
February 16, 2023
Export Citation:
Assignee:
KOBELCO CONSTR MACH CO LTD (JP)
International Classes:
E02F9/22; F02D29/04; F02D23/00; F02D29/00
Foreign References:
| JP2011190788A | 2011-09-29 | |||
| JP2012202220A | 2012-10-22 | |||
| US20140343829A1 | 2014-11-20 |
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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