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Patent Searching and Data


Title:
PUMP CONTROL DEVICE AND PUMP CONTROL METHOD
Document Type and Number:
Japanese Patent JP2018021589
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pump control device capable of changing setting of a pump flow rate, and to provide a pump control method.SOLUTION: A controller 34 acquires a total sum value and the largest value of a flow rate requested from each hydraulic actuator. The controller 34 sets a pump flow rate command value based on a value to which a value obtained by multiplying the largest value by a specific gain of a difference between the total sum value and the largest value is added. Setting of a pump flow rate can be readily changed by changing the gain value.SELECTED DRAWING: Figure 1

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Inventors:
HATA YOSHIHIKO
KISHIDA KOJI
MATOBA NOBUAKI
ASANO KOJI
Application Number:
JP2016152088A
Publication Date:
February 08, 2018
Filing Date:
August 02, 2016
Export Citation:
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Assignee:
CATERPILLAR SARL
International Classes:
F15B11/02; E02F9/22
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada