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《Journal of Chengde Petroleum College》 2015-01
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Automatic Control System Design of Valve Pressure Testing Machine Based on PLC and Frequency Converter

FU De-yong;CHEN Jun;LI Jie;Department of Thermal Engineering,Chengde Petroleum College;  
Due to the shortcomings of poor control precision and high impact for conventional valve pressure testing machine control system,an automatic control system of valve pressure testing machine based on PLC and frequency converter is designed. The composition of the control system,the device connection and the control flow are also introduced. Field application shows that the system has high precision,steady pressure,and can meet the demands of different users.
【CateGory Index】: TP273
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