虚拟液位测控系统，由一蓄水箱、水泵、水管和阀门、水槽组成被控部分 液位传感器组成检测环节 执行机构为电动调节阀 控制器由计算机来完成。-Virtual liquid level measurement and control system, a water storage tanks, pumps, pipes and valves, sink to form a charged part liquid level sensors to detect link executing agenc