Proton exchange membrane fuel cell cathode pressure and flow observation method
The invention provides a proton exchange membrane fuel cell cathode pressure and flow observation method. The method comprises the following steps of S1, establishing a fuel cell air system lumped parameter model; S2, designing a self-adaptive observer based on the model to observe the pressure of a...
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| creator | WANG SEN LI CHENG LI XIAOWEI JIANG WEIHAI ZHOU LIAN NIE ZHENHUA ZHU ZHONGWEN SUN BOQI |
| description | The invention provides a proton exchange membrane fuel cell cathode pressure and flow observation method. The method comprises the following steps of S1, establishing a fuel cell air system lumped parameter model; S2, designing a self-adaptive observer based on the model to observe the pressure of a cathode cavity and the flow of a cathode inlet; S3, in the observer design process, considering the manifold inlet and outlet temperature difference caused by an intercooler to guarantee the convergence of the observer; and S4, inputting the measurable signals of a fuel cell system into the observer, and realizing the real-time accurate observation of the cathode flow and pressure through the real-time iterative operation. The proton exchange membrane fuel cell cathode pressure and flow observation method provided by the invention has the advantages that the arrangement of a signal acquisition sensor is convenient, the realizability is high, the observation precision is effectively improved, and the control effect |
| format | Patent |
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The method comprises the following steps of S1, establishing a fuel cell air system lumped parameter model; S2, designing a self-adaptive observer based on the model to observe the pressure of a cathode cavity and the flow of a cathode inlet; S3, in the observer design process, considering the manifold inlet and outlet temperature difference caused by an intercooler to guarantee the convergence of the observer; and S4, inputting the measurable signals of a fuel cell system into the observer, and realizing the real-time accurate observation of the cathode flow and pressure through the real-time iterative operation. The proton exchange membrane fuel cell cathode pressure and flow observation method provided by the invention has the advantages that the arrangement of a signal acquisition sensor is convenient, the realizability is high, the observation precision is effectively improved, and the control effect</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Proton exchange membrane fuel cell cathode pressure and flow observation method |
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