Calculate impedance response using voltage and current data exported from history flxhst file? 回答済み
Hi there,
I'm trying to calculate the Impedance Response using the Voltage and Current data, which have been exported from the history flxhst file. What I did was:
- R=fft(voltage)/fft(current)
- impedance = abs(R); phase=angle(R)
However, the results were different from the Impedance Response calculated using the 'freq impd' in Onscale Review. Could you help me figure out why this happened? and how should I fix it?
Thanks!
5件のコメント
Hi there,
This methodology should work. Can you share your flxhst file and review file with me via your preffered cloud sharing service and I can take a look for you.
Best Regards,
Chloe
Hi Chloe,
Thanks for your reply! Please find the files here:
https://strath-my.sharepoint.com/:f:/g/personal/xiaotong_li_strath_ac_uk/Ei_vGOVusspElUHVYcosIxAB71uxkJn_lritJjyrrjSMyg?e=eagKdY
Instead of using the Review file, I was trying to export the voltage and current data into .csv files (included in the link) first, and then using Matlab to do the calculation (as presented in my original post). For comparison purpose, I also exported the impedance response file from Onscale post processor.
Regards
Xiaotong Li
Xiaotong Li,
Could you please send over symb.SCHComExtr as well please?
Thanks,
Chloe
Hi Chloe,
Here's the symb.SCHComExtr:
https://strath-my.sharepoint.com/:u:/g/personal/xiaotong_li_strath_ac_uk/EWw3MNQF4DdOjCAV_reialcBhpR9pG4Lpcw834Zj3gouIg?e=N1I02J
Regards
Xiaotong Li
Hi Xiaotong Li,
It looks like you are outputting the voltage and charge data in the flxhst and saving the charge as cur.csv. You need the voltage and current data, not charge. To output this add the i option to the pout electrode output.
Best Regards,
Chloe
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