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).
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。
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.
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。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
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