根据实际控制对象的工艺要求，采用变比例系数控制算法，经实际运行获得满意的调节效果。
According to the process of the actual control plant, the control algorithm by changing proportion coefficient is adopted and proven to have a satisfied regulating results.
这需要比例调节阀和流量测量形成的回路控制。
Flow is measured via an orifice plate metering run with a differential pressure transmitter providing feedback to the control loop.
应用这种泵可大大提高液压系统控制效率、控制精度，简化了比例调节液压系统的设计，并使液压系统具有节能的功效。
The kind of pump improves greatly the control efficient and control accuracy and simply the design of hydraulic system with proportional regulation and save the energy of hydraulic systems.
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