What should I do if I get "Error: Specified FIS file contains invalid type-1 membership function"

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alper demir
alper demir 2021-5-4
回答： Sam Chak 2025-5-1
I preapered an anfis file, named "mppt.fis", and used it with the code "getFISCodeGenerationData" in an embeded mathlab function in simulink. When I ran simulink, firstly it worked with no problem. Then, I changed the the line of the code "getFISCodeGenerationData" in an embeded mathlab function. But then it didn't work. I had made no change in the fis file. Everytime when I tried to run simulink, I got the error: "Specified FIS file contains invalid type-1 membership function". However, It works in command window with no problem. It evaluates answers in command window without any problem.

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回答（1 个）

Sam Chak
Sam Chak 2025-5-1
Hi @alper demir
This error most likely indicates that your FIS file may have been corrupted for an unknown reason when the modified fisOut = getFISCodeGenerationData(fis) function is called. Perhaps you have inadvertently modified the fields of fisOut, which can lead to unexpected results that corrupted the type-1 membership function in the FIS file.
https://www.mathworks.com/help/fuzzy/getfiscodegenerationdata.html#mw_2a64d5f0-e52d-4aba-a208-627e0ecc794a
If the FIS file cannot be repaired, it may be more effective to redesign the system by creating a new fuzzy system.

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