How to calculate 1.5 order wheel torque fluctuation (3 Cylin

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SUMMARY

The discussion focuses on calculating the 1.5 order wheel torque fluctuation using raw data from a .csv file, which includes engine speed, wheel torque value, and main shaft speed. The user, CKS, seeks assistance in developing a logic or formula to derive the 1.5 order wheel torque value that aligns with the expected results. The conversation emphasizes the need for a clear methodology to process the provided data effectively.

PREREQUISITES
  • Understanding of torque calculations in automotive engineering
  • Familiarity with data analysis using .csv files
  • Knowledge of signal processing concepts related to engine dynamics
  • Experience with mathematical modeling and formula derivation
NEXT STEPS
  • Research methods for calculating harmonic torque fluctuations
  • Learn about data processing techniques in Python using Pandas
  • Explore signal processing tools like MATLAB for torque analysis
  • Investigate existing formulas for calculating order torque values in automotive applications
USEFUL FOR

Automotive engineers, data analysts, and researchers focused on vehicle dynamics and torque analysis will benefit from this discussion.

Chethan K S
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Hi all,

I have the raw data in .csv file which has Engine speed, wheel torque value and main shaft speed (Please refer to below image - raw data_screen shot)

Raw data Screen shot.JPG


I have to find the logic for the above raw data, to get 1.5 order wheel torque value, which is close to resulted value as attached (Result_1.5 order torque value as shown below).

Result_1.5 order torque value.JPG
I am working on this, I request all members of research gate forum to help me on this to create a logic/formula.

If the above information is not clear enough, please ask me

Many thanks,
CKS
 
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What's a "research gate forum"?
 
berkeman said:
What's a "research gate forum"?

This forums will be having many research people. So I requested them by saying research group/gate, etc

Sorry if I am wrong

CKS