A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Motor-driven hydraulic system, control method and device thereof and engineering machinery
The embodiment of the invention provides a motor-driven hydraulic system, a control method and device thereof, a processor, engineering machinery and a machine readable storage medium. The motor-driven hydraulic system comprises a hydraulic executing element, a quantitative hydraulic pump, a motor and an operating element, the hydraulic executing element is in driving connection with the quantitative hydraulic pump, the quantitative hydraulic pump is in driving connection with the motor, and the operating element is used for controlling the hydraulic executing element to act; the control method comprises the steps that the output flow currently needed by the quantitative hydraulic pump is determined according to the current operation condition of the operation element; determining a target rotating speed of the motor according to the output flow; and controlling the motor to operate according to the target speed. By means of the technical scheme, the output flow of the quantitative hydraulic pump can be accurately controlled according to the operation intention of an operator, the advantage that the rotating speed of the motor is fast in response is fully utilized, the operation intention of the operator is more rapidly and accurately achieved, meanwhile, the quantitative hydraulic pump is adopted to replace a variable hydraulic pump, and cost is reduced.
本申请实施例提供一种电机驱动液压系统及其控制方法、装置、处理器、工程机械及机器可读存储介质。电机驱动液压系统包括液压执行元件、定量液压泵、电机以及操作元件，液压执行元件与定量液压泵驱动连接，定量液压泵与电机驱动连接，操作元件用于控制液压执行元件动作；控制方法包括：根据操作元件当前的操作情况确定定量液压泵当前所需的输出流量；根据输出流量确定电机的目标转速；根据目标转速控制电机运转。通过上述技术方案，能够根据操作者的操作意图精确控制定量液压泵的输出流量，充分利用电机转速响应快的优点，从而更加快速、精准地实现操作者的操作意图，同时采用定量液压泵代替变量液压泵，降低了成本。
Motor-driven hydraulic system, control method and device thereof and engineering machinery
The embodiment of the invention provides a motor-driven hydraulic system, a control method and device thereof, a processor, engineering machinery and a machine readable storage medium. The motor-driven hydraulic system comprises a hydraulic executing element, a quantitative hydraulic pump, a motor and an operating element, the hydraulic executing element is in driving connection with the quantitative hydraulic pump, the quantitative hydraulic pump is in driving connection with the motor, and the operating element is used for controlling the hydraulic executing element to act; the control method comprises the steps that the output flow currently needed by the quantitative hydraulic pump is determined according to the current operation condition of the operation element; determining a target rotating speed of the motor according to the output flow; and controlling the motor to operate according to the target speed. By means of the technical scheme, the output flow of the quantitative hydraulic pump can be accurately controlled according to the operation intention of an operator, the advantage that the rotating speed of the motor is fast in response is fully utilized, the operation intention of the operator is more rapidly and accurately achieved, meanwhile, the quantitative hydraulic pump is adopted to replace a variable hydraulic pump, and cost is reduced.
本申请实施例提供一种电机驱动液压系统及其控制方法、装置、处理器、工程机械及机器可读存储介质。电机驱动液压系统包括液压执行元件、定量液压泵、电机以及操作元件，液压执行元件与定量液压泵驱动连接，定量液压泵与电机驱动连接，操作元件用于控制液压执行元件动作；控制方法包括：根据操作元件当前的操作情况确定定量液压泵当前所需的输出流量；根据输出流量确定电机的目标转速；根据目标转速控制电机运转。通过上述技术方案，能够根据操作者的操作意图精确控制定量液压泵的输出流量，充分利用电机转速响应快的优点，从而更加快速、精准地实现操作者的操作意图，同时采用定量液压泵代替变量液压泵，降低了成本。
Motor-driven hydraulic system, control method and device thereof and engineering machinery
电机驱动液压系统及其控制方法、装置及工程机械
CAI WEN (author) / YUAN YE (author) / JIANG ZHIQIU (author) / MA YINGLI (author) / ZHANG SHIYOU (author)
2022-04-15
Patent
Electronic Resource
Chinese
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