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Autophagy membrane-computing optimization modeling method for fuel cell

A technology of fuel cells and modeling methods, applied in fuel cells, fuel cell additives, computing, etc., can solve problems such as not fully considering the source of cell inspiration

Inactive Publication Date: 2014-11-05
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, computing science did not fully consider cells as a source of inspiration for computing models. Membrane computing was born to adapt to this challenge.

Method used

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  • Autophagy membrane-computing optimization modeling method for fuel cell
  • Autophagy membrane-computing optimization modeling method for fuel cell
  • Autophagy membrane-computing optimization modeling method for fuel cell

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Experimental program
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Embodiment

[0089] The method of the present invention is used in the determination of the fuel cell stack model as follows, and is further described in detail:

[0090] Consider a typical proton exchange membrane fuel cell (PEMFC for short) single cell, such as Figure 4 shown. It consists of a cathode, an anode, and a proton exchange membrane of polymer material sandwiched between the two electrodes. Hydrogen as fuel (H 2 ) can be obtained from methanol (CH 3 OH), petroleum products or other hydrogen-rich fuels such as natural gas, the fuel hydrogen is sent into a narrow channel from one end of the electrode plate. Likewise, oxygen (O 2 ) or air enters the battery from one end of the other electrode plate (cathode, battery positive). h 2 are oxidized to hydrogen ions (H + ) and electrons (e - ), H 2 and O 2 With very strong chemical affinity, the proton membrane separates the two gases and allows only H + pass. When H + When ions take the shortest path, i.e., through the pr...

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Abstract

The invention discloses an autophagy membrane-computing optimization modeling method for a fuel cell, which includes the following steps: 1, obtaining current input and voltage output sampling data of the fuel cell through site operation or tests, and enabling sum of squared error of estimated output and actual output of the sampling data of a fuel cell model to serve as minimum target function; 2, abstracting the autophagy membrane-computing optimization modeling method for the fuel cell and corresponding bionic rules by being inspired by recombination, variation and autophagy of substances and energy in biological cells; 3, setting algorithm running parameters; and 4, operating autophagy membrane-computing optimization algorithm to estimate unknown parameter in the fuel cell model, obtaining estimated value of the unknown parameter in the model through the minimum target function, and substituting the estimated value in the fuel cell model to form a mathematical model. The modeling method has the advantages of being anti-precocity, high in optimization precision, rapid in convergence and suitable for modeling in other complex chemical reaction processes.

Description

technical field [0001] The invention relates to an optimization modeling method, in particular to a proton exchange membrane fuel cell optimization modeling method for autophagy membrane calculation. Background technique [0002] Due to its severe nonlinear characteristics, fuel cell modeling has always been a research difficulty and hotspot in the field of electrochemistry. The research on fuel cells is based on its mathematical modeling. Establishing an accurate mathematical model is of great significance to the theoretical research and engineering application of fuel cells; Low emission, low battery surface temperature, fast response to load changes and quick start-stop, low-voltage safety and reliability, and great potential for popularization have attracted widespread attention; therefore, the modeling accuracy of proton exchange membrane fuel cells is also become increasingly important. [0003] Researchers adopt the modeling method combining mechanism and experience...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00H01M8/04H01M8/04992
CPCY02E60/50
Inventor 杨世品王宁
Owner ZHEJIANG UNIV
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