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压力流量控制伺服阀兼有控制压力和控制流量的作用,在高谐振负载的伺服系统中,它能提供有效的阻尼。这种伺服阀的流量不但决定于输入电流信号,而且还决定于负载压差。压力流量控制阀动态响应的线性传递函数的近似法,可以再次采用常用的迭加原理。
Pressure Flow Control Servo valves combine control pressure and flow control to provide effective damping in servo systems with high resonant loads. This servo valve flow is not only determined by the input current signal, but also depends on the load pressure. The approximation of the linear transfer function of the dynamic response of a pressure-flow control valve can again use the common principle of superposition.