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Title:
CONTROL SYSTEM FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD FOR CONSTRUCTION EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2015/137528
Kind Code:
A1
Abstract:
 A control system for construction equipment, said system comprising: a detector that detects the orientation of work machinery including a boom, an arm and a bucket; an operation device that is operated to drive movable members including at least one of the arm and the bucket; a detection device that detects the amount by which the operation device is operated; a control valve that adjusts the amount of hydraulic oil supplied to a hydraulic cylinder driving the work machinery; a bucket position data generation unit that generates tooth position data indicating the position of the teeth of the bucket on the basis of the detection results from the detector; a distance acquisition unit that acquires a target excavation topography expressing the target form of the site to be excavated by the work machinery, and calculates the distance between the teeth of the bucket and the target excavation topography on the basis of the tooth position data and the target excavation topography; a limit-setting unit that sets a limited operation amount for limiting the speed of the movable member on the basis of the detection results from the detection device; and a movable member control unit that outputs control signals to the control valve so as to drive the movable member in accordance with the limited operation amount.

Inventors:
KITAJIMA JIN (JP)
KAMI YOSHIKI (JP)
YAMADA TAKEO (JP)
MATSUYAMA TORU (JP)
ICHIHARA MASASHI (JP)
Application Number:
PCT/JP2015/065958
Publication Date:
September 17, 2015
Filing Date:
June 02, 2015
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F3/43; E02F9/20
Domestic Patent References:
WO2012127913A12012-09-27
WO2012127914A12012-09-27
Foreign References:
JP2012225084A2012-11-15
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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