结果表明，按平方误差积分准则对溢流阀进行优化，不仅能够提高溢流阀的稳定性，同时还能够改善其响应快速性。
The analyzing result shows that the optimization of structure parameters of relief valve can increase the operating steady of valve and improve its speed of response.
分析热力膨胀阀和蒸发器调节系统的稳定性，它直接影响着制冷效率和运行安全。
This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.
型阀采用双轴承结构，机械稳定性高，启动扭矩小，保证了阀门具有极好的灵敏度和感应速度。
V-valve dual-bearing structure, mechanical stability, high starting torque is small, to ensure the valve sensor with excellent sensitivity and speed.
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