The structure of the valve is superior to the conventional valve and the continuously tracing method solves the problem that arises as a result of the constradiction between the stepping error and response speed of the digital valve 该阀的结构较传统的阀更加简单、可靠，且采用连续跟踪控制方法消除了传统的步进式数字阀所固有的量化误差与响应速度之间的矛盾。
