And the interfaces have analog input , analog output and digital input / output . we have used differently cards , such as pc - 6330d a / d card , pcl - 728 d / a card based isa bus , ipc - 5375 i / o card and so on . in addition , we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor 总线采用isa内部总线；接口主要有模拟量输入接口、模拟量输出接口、开关量输入输出接口等，课题分别选用pc - 6330d型a d板卡、基于isa总线的型号为pcl - 728的d a板卡、型号为ipc - 5375的i o板卡；另外，课题选用了微动式行程开关、压力变送器作为传感元件检测系统，选用继电器、电磁控制换向阀实现对气缸、电机的控制；采用vc + + 6 . 0编制控制软件，实现了纤维铺放技术的计算机控制。
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