Importing Engine Map Variables

Question

Atakan Ekiz 2020-12-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/676098-importing-engine-map-variables

评论： Carolina Maria Clase Sousa 2021-2-8

Veri-MATLAB.xlsx

There is a map of an engine I need to use; at the intersection of rpm / torque the value gives BSFC(Brake specific fuel consumption). I'll be using this values for calculating Brake specific fuel consumption. My main problem is I cant import these values to MATLAB. I could do only if it had x-y variables. It has 3 variables and I tried to use the "readtable" command but it gave me 67x53 table. I dont know what to do or how to do it. If anyone could help me I would be appreciated.

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Answer 1

Stephan 2020-12-3

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/676098-importing-engine-map-variables#answer_564228

编辑：Stephan 2020-12-3

在 MATLAB Online 中打开

T = readtable('C:\YOUR_PATH_NAME_HERE\Veri-MATLAB.xlsx')
RPM = T{2:end,1}
Power = T{1,2:end}
Data = T{2:end,2:end}
subplot(2,1,1)
surf(Power,RPM,Data)
xlabel('Power')
ylabel('RPM')
zlabel('BSFC')
title('Engine Data BSFC')
colormap('jet')
subplot(2,1,2)
contourf(Power,RPM,Data)
xlabel('Power')
ylabel('RPM')
title('Engine Data BSFC')
colormap('jet')

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Atakan Ekiz 2020-12-3

thank you very much.

Carolina Maria Clase Sousa 2021-2-8

Hi, I have a similar problem. I need that exacly type of plot but my variables are saved in 3 independet arrays. They are the output of a previous engine simulation.

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