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Boiler drum system plays a crucial role in the process of chemical industry. It is a complicated dynamic system with both unknown external disturbances and time varying parameters in model. Due to the external and internal disturbances in the process, it is hard to keep system totally stable in the real operating condition. In this paper, time varying parameters in model are identified and the internal...
Operating a Proton Exchange Membrane fuel cell (PEMFC) system to maintain the stack temperature stable is one of the key issues in PEMFC's normal electrochemical reaction process. Its temperature characteristic is easily affected by inlet gas humidity, external disturbances, and electrical load changes and so on. Because of the complexity and nonlinearity of the reaction process, it is hard to build...
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