介绍了控制电子膨胀阀的两种控制技术。
本文通过实验研究了电子膨胀阀流量与开度的关系。
The relation between opening and outflow of EEV (Electronic expansion valve) was studied through the experiment in this paper.
对热力膨胀阀和电子膨胀阀控制下陈列柜内的温度分布做了实验研究。
Temperature distributions in a display case controlled by thermostatic expansion valve and electronic expansion valve are studied in this paper.
为此，将零过热度时间作为一个重要的指标，用于电子膨胀阀的启动控制；
It is found that the superheat may be zero for a long time. A new index, Zero Superheat Time, was put forward, and applied to the electronic expansion valve control.
在风冷螺杆热泵机组上对电子膨胀阀与热力膨胀阀进行了机组性能的对比试验。
A thermal expansion valve and an electronic expansion valve was tested in a Air Cooled Screw Heat Pump respectively.
分析探讨了阻塞流对电子膨胀阀优化控制的影响，并提出相应的控制改进措施。
Blocking flow effect on optimizing control strategy is investigated and corresponding improving measures are presented.
试验结果表明，电子膨胀阀提高了汽车空调的调节品质，同时起到了电磁阀的作用。
The test result shows electric expansion valve can improve the adjusting control level of automotive air conditioning and act as an electric magnetic valve as well.
采用BP-PID控制器对系统电子膨胀阀开度进行控制，并设计了BP-PID控制器。
The paper presented a BP-PID method to control electronic swell valve of system, then BP-PID controller was designed.
作为电控元件，电子膨胀阀具有传统的热力膨胀阀所不具备的精度高，动作快速且准确的优点。
As an electric controlled element, electronic expansion valves have many advantages which traditional heat expansion valves don't have, such as high precision, and fast and correct action.
通过亚稳态液体闪蒸形成的蒸发波以及气体动力学非连续理论，建立了电子膨胀阀壅塞机理模型。
A mechanical model of choking flow in the expansion valve was presented, which is based on the expansion wave and gas dynamics discontinuities theories.
通过阶跃响应实验法，利用最小二乘法建立燃气机热泵蒸发器—电子膨胀阀系统的过热度响应动态模型。
The step response method of the outlet superheat of evaporator is measured by conducting experiments, and dynamic model of EEV is established by LSE (least square estimation).
针对电子膨胀阀步进电机驱动方式和本文的仿真结果，应用增量式PID和模糊控制方法进行实验分析。
PID and Fuzzy controllers are using in the experimentation based on the simulation results of the PID, fuzzy and fuzzy self-tuning PID controllers and the driven method for EEV.
在对电子膨胀阀的特性及制冷系统的运行规律的认真分析基础之上，设计了变频压缩机的精准在线控制。
Basing on analyzing the characteristic of EEV and running rule of refrigerating system in detail, it designs precise online control of inverter compressor.
通过将电子膨胀阀与受控对象(蒸发器)细化分开来，并依据恒定开环增益准则从理论上分析了阀头补偿原理。
Through dividing electronic expansion valve from evaporator system and based on constant gain of superheat open loop rule, the compensation theory of valve head was analyzed.
试验表明：使用电子膨胀阀对比使用热力膨胀阀，机组的制冷量提高11.4%以上、COP提高9.6%以上。
The experimental result shows that using electronic expansion valve instead of thermal expansion valve, the cooling capacity increases by 11.4%, COP increases 9.6%.
对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。
Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.
最后，对控制电子膨胀阀开度而设计的变论域模糊控制器进行了仿真研究，并且与普通模糊控制器的控制效果进行了比较。
Finally, does some simulation studies to the fuzzy controller with variable region that designs for electronic expansion valve, and compared with ordinary fuzzy controller.
最后，对控制电子膨胀阀开度而设计的变论域模糊控制器进行了仿真研究，并且与普通模糊控制器的控制效果进行了比较。
Finally, does some simulation studies to the fuzzy controller with variable region that designs for electronic expansion valve, and compared with ordinary fuzzy controller.
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