The economic efficiency of heat-supply system with mixing water loop which adopts proportional pressure control is analyzed.

结合工程实例，对采用比例压力控制的带混水回路的供热系统的技术经济性进行了分析。

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Aimed at the characteristics of electro-hydraulic proportional pressure control system, such as, non-linear, uncertainty dynamic, and so on, a grey prediction fuzzy control algorithm was proposed.

针对电液比例压力控制系统的特点，即非线性、动态不确定性等，提出了一种灰色预测模糊控制算法。

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Proportional - Uses electrical input signal to control pressure or flow output.

比例—使用电输入信号来控制压力或流量输出。

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