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.
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 hydraulic system with variable displacement pump-constant displacement motor has the function of overload protection.
用于JY320型液压挖掘机等的双泵双回路高压变量系统。
It is used in double pumps and circuits high pressure variable system on model JY320 hydraulic excavator.
变量施肥的控制实施系统包括差分gps系统、田间计算机、液压马达、测速雷达和排肥器总成。
The control and actualize system of variable rate fertilization consist of DGPS, Field Computer, Hydraulic Motor, Ground Sensing Radar and fertilizer assembly.
工作机构的变速和换向靠调节泵或马达的变量机构实现，避免了开式系统换向过程中所出现的液压冲击和能量损失。
The work of agencies to rely on speed and for adjusting the pump or motor variables agencies to achieve, to avoid the open loop system for the process are the hydraulic impact and energy loss.
由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure.
由于传统的控制装置不能直接和计算机控制系统集成，限制了变量液压泵在许多领域的应用。
As the traditional control devices can not directly control by computer system, limiting the variable hydraulic pump in many areas of application.
研究表明，液压系统模型是多变量、慢时变和非线性的。
Study showed that the hydraulic control system model is multi-variable, slow time-varying and non-linear.
本文从液压泵与负载匹配的角度出发，将负载敏感变量泵应用到装载机工作装置液压系统的设计中。
This paper applies load-sensing variable pump to the hydraulic system of loader considering the matching of pump and the load.
液压阀开启有响应时间，定量泵系统启动时，瞬间压力冲击特别大，油管容易爆裂。变量泵启动时只有3mpa左右的待命压力，消除了爆管的隐患。
As there is certain response time for hydraulic valve startup, constant pump has to bear the momentary extremely high pressure impact with a high risk of oil pipe explosion.
液压阀开启有响应时间，定量泵系统启动时，瞬间压力冲击特别大，油管容易爆裂。变量泵启动时只有3mpa左右的待命压力，消除了爆管的隐患。
As there is certain response time for hydraulic valve startup, constant pump has to bear the momentary extremely high pressure impact with a high risk of oil pipe explosion.
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