By the new model, a variable displacement hydraulic pump is simulated by the ordinary hydraulic component with hydraulic resistance, abrupt pressure change and invariable flow.
该模型将变量液压泵等效为液阻、压力突变、恒流源构成的一般液压元件。
The computer PID control for electro hydraulic proportional constant presure variable displacement pump with electric feedback is introduced.
介绍了电反馈电液比例恒压变量泵的计算机PID控制。
Through a study in characteristic curve of the engine and hydraulic pump, the matching efficiencies between engine and fixed and hydraulic variable displacement pump were analyzed respectively.
综合发动机和液压泵的特性曲线，分别对发动机与液压变量泵、定量泵进行了匹配效率分析；
The hydraulic system with variable displacement pump-constant displacement motor has the function of overload protection.
由变量泵-定量马达组成的液压系统具有超载保护，防止电缆被强行拉断的功能。
The pump controlled variable displacement hydraulic system works together with the electronic proportional control system, high efficiency, energy saving and precise control.
泵控变量液压系统，与电比例操作系统紧密结合，节能高效，控制精确。
The pump controlled variable displacement hydraulic system works together with the electronic proportional control system, high efficiency, energy saving and precise control.
泵控变量液压系统，与电比例操作系统紧密结合，节能高效，控制精确。
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