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发明公开
CN101278131A 多泵控制系统和方法 有权

多泵控制系统和方法
摘要：
本发明涉及一种用于作业机械(10)的液压控制系统(48)。该液压控制系统具有第一泵(51)、第二泵(53)、操作员控制装置(46)以及控制器(112)。第一泵和第二泵设计用于给流体加压。操作员控制装置可运动经过从空档位置到最大位置的运动范围以产生相应的控制信号。控制器与第一泵、第二泵以及操作员控制装置连通/通讯。所述控制器设计用于接收控制信号、当操作员控制装置移动经过整个运动范围时响应于控制信号而影响第一泵的运行、以及仅当操作员控制装置移动经过运动范围的一部分时响应于控制信号而影响第二泵的运行。
摘要（英）：

A hydraulic control system for a work machine is disclosed. The hydraulic control system has a first pump, a second pump, an operator control device, and a controller. The first and second pumps are configured to pressurize a fluid. The operator control device is movable through a range of motion from a neutral position to a maximum position to generate a corresponding control signal. The controller is in communication with the first pump, the second pump, and the operator control device. The controller is configured to receive the control signal, affect operation of the first pump in response to the control signal as the operator control device is moved throughout the range of motion, and affect operation of the second pump in response to the control signal only as the operator control device is moved through a portion of the range of motion.

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