K&L Gates LLP
Method, device, and system for controlling hydraulic pump of construction machine
The present disclosure relates to a method, a device, and a system for controlling a hydraulic pump of a construction machine, the system comprising: an engine; an engine control unit configured to control the engine by using engine limit torque information and current engine torque information of the engine; a hydraulic pump operated by power supplied from the engine; at least one actuator driven by a hydraulic pressure discharged from the hydraulic pump; and a hydraulic pump control device configured to control a limited swash plate angle of the hydraulic pump by using a torque of the hydraulic pump and the engine limit torque information received from the engine control unit.
DOOSAN INFRACORE CO., LTD.
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Duk Sang Jung Ho Min Seok Dong Mok Nag In Lee Hyoung Kyung Min Yong Tak Byung Il
Kim Kim Ko Kim Kim Cho Park Hyun Kang