pressure control loop

The pressure control loop makes the pressure of the mixed gas track its set value through feed forward and feedback expert controller.

压力控制回路通过前馈和反馈专家控制器，使混合煤气压力跟踪给定值。

Regulator design for the close loop pressure control system in hydrodynamic deep drawing equipment

充液拉深装备中压边压力闭环控制系统调节器的设计

The authority of motor operated control valve is usually calculated based on the pressure differential of terminal loop in air conditioning water system, which is renamed as selecting authority.

空调工程中电动调节阀的权度一般以末端环路压差为基准来计算，文中将该权度称为选型权度。

Capillary pumped loop ( CPL) is an advanced temperature-control device. Heat transfer in CPL is realized with phase transition of working fluid, and the capillary pressure is used for overcoming the resistance in circulatory flow.

毛细抽吸两相流体回路（简称CPL）是一种先进的控温装置，它采用相变传热方式并利用毛细力来克服工质循环流动的阻力。

Applying the single slice of PIC16F877 for the pressure control of PWM pneumatic valve, using its AD mold, CCP mold and SPI mold, PWM and close loop control was realized.

将PIC16F877单片机应用于PWM气动阀的调压控制。利用其AD模块，CCP模块及SPI模块实现对系统的脉宽调制和闭环控制。

The electrohydraulic proportional valve close-loop control method by using fuzzy PID was presented, and it realized real-time system pressure control.

建立了试验系统的数学模型，试验系统采用模糊PID控制的方法实现了对电液比例阀的闭环控制，从而对系统压力的变化进行了实时调节。

Because the quantities of gas and air must hold steady to control the stabilization of flue temperature, the pressure control loop is structured to maintain the quantities of gas and air.

同时，为了控制炉温的稳定及煤气的充分合理燃烧，必须保持煤气量和空气量的稳定，所以构成压力控制回路使煤气量和空气量稳定在设定值上。

In combination with a linear wire wound potentiometer and a cam-actuated angle displacement sensor, a hydro-electric proportional relief valve is used as pressure controlling element of hoist system to compose an open loop control system for overload protection.

采用电液比例溢流阀作吊机系统压力控制元件，与线性线绕式电位器和凸轮构成的角位移传感器一起组成吊机过载保护开环控制系统。

The pressure control module is designed to control the polishing pressure in real-time, through output 0-10 voltage to the electric valve, which constitutes the closed-loop control with the S-type pressure sensor, data acquisition card for real-time monitoring.

其中，压力控制模块通过向电气比例阀输出0-10V的电压值来连续控制抛光压力，并且选用了S型拉压力传感器通过数据采集卡对其进行实时监测，构成闭环控制；

Based on the model parameters, discuss and summarize the preliminary law of the fitting data. Finally, according to different transfer-function models on condition of different-input variables, establish closed-loop feedback system of pressure control of the connector of tandem extrusion system.

基于模型参数，进行拟合数据的相关讨论并总结初步规律。最后，根据不同输入变量的传递函数模型，建立双阶挤出系统的连接体压力控制闭环反馈系统。