Fuel cell lookup table

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Zhan Xu
Zhan Xu 2024-6-22
评论： Umar 2024-6-27
The fuel cell lookup table generated from the spreadsheet via-https://ww2.mathworks.cn/help/autoblks/ug/generate-mapped-fuel-cell-from-a-spreadsheet.html
However, based on the data,the fuel cell efficiency looks always over 60% which is unrealistic.
Is there something wrong from built-in spreadsheet?
  2 个评论
Umar
Umar 2024-6-23
Hi Zhan, When encountering unusually high efficiency values for fuel cells generated from a spreadsheet in MATLAB, it is essential to verify the data input and the calculations performed. Check the spreadsheet data for any anomalies or errors that might be causing the inflated efficiency values. Ensure that the input values are correctly formatted and within realistic ranges. Additionally, review the calculations in the MATLAB script to confirm that the computations are accurate and reflect the actual efficiency values. By carefully examining both the input data and the calculation process, you can identify and rectify any issues leading to unrealistic fuel cell efficiency results. Hope this will help resolve your concern.
Zhan Xu
Zhan Xu 2024-6-23
编辑：Zhan Xu 2024-6-23
Hi Umar,
Agree with you. However, the data and calculations are built-in already. All i need to do is click 'run'.
So, is the data correct in this app?
The link is: https://ww2.mathworks.cn/help/autoblks/ug/generate-mapped-fuel-cell-from-a-spreadsheet.html

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回答（1 个）

aditi bagora
aditi bagora 2024-6-25
Hi Zhan,
In my understanding the documentation https://ww2.mathworks.cn/help/autoblks/ug/generate-mapped-fuel-cell-from-a-spreadsheet.html looks like an example for demonstarting the following:
  1. How to use the Spreadsheet file to generate mapped fuel calibaration?
  2. What is the data required in the speadsheet file for calibration like CurrentCmd, TempCmd, Voltage along with the units?
  3. How to generate response surface models in the Model-Based Calibration Toolbox and calibration in CAGE?
  4. How to apply the calibration to your model?
In case you don't have a reference model or the spreadsheet file, reference model and default file is provided to show the workflow.
Probably because of the default values in the spreadsheet, the fuel cell efficiency looks unrealistic.
In order to resolve your concern you can change the spreadsheet file with an actual data file and then apply it to the reference model.
For futher information on the reference model and data file requirements, you can refer to the following links:
Hope this helps!
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Zhan Xu
Zhan Xu 2024-6-27
Thanks for your reply.
Could Matlab provide a reliable datasheet for PEM fuel cell perfornance? to replace the "FuelCellPerformanceData.xlsx" in the "CalMappedFuelCell".
Umar
Umar 2024-6-27
Hi Zhan,
To answer your question, yes, Matlab can be utilized to create a dependable datasheet for PEM fuel cell performance. By leveraging Matlab's data handling capabilities, you can read, manipulate, and analyze data from various sources, including Excel files like "FuelCellPerformanceData.xlsx." You can import the data, perform calculations, visualize results, and generate new data sheets tailored to your specific requirements.
To demonstrate an example by replacing the existing datasheet with new data in Matlab, you can utilize the xlsread and xlswrite functions.
% Read new data from a different Excel file
newData = xlsread('NewFuelCellPerformanceData.xlsx');
% Write the new data to the existing Excel file
xlswrite('CalMappedFuelCell.xlsx', newData);
By reading the new data from "NewFuelCellPerformanceData.xlsx" and writing it to "CalMappedFuelCell.xlsx," you can effectively update the datasheet for PEM fuel cell performance in Matlab.
Let us know if you need further assistance or help.

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