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关键字：Humidity control;Control systems - Paper products - Papermaking - Papermaking machinery - Programmable logic controllers;Closed hood - Data collection - In-process - Loop control - Paper machine - Temperature and humidities
摘要：The paper mainly introduces the application of closed hood in process of paper produce. This closed hood control system bases on PLC and inverter. In this system, the data collection, calculation, loop control and the communication of PC are completed by PLC. This control system has been applied in medium and small automation transform paper machine. It is practically showed that the output of machine and the stability have been improved by the control system. © 2011 IEEE.<br/>
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