SIMPLE BATTERY QUALITY ASSESSMENT PROCEDURE

Authors

  • Godspower O. Ashaka Department of Physics/ Instrumentation and Control Technology, Federal polytechnic of Oil and Gas, Bonny Island, Rivers State. Author
  • Eghuanoye Ikata Department of Physics, Ignatius Ajuru University of Education, Rumuolumini, Port Harcourt Author

Keywords:

Quality assessment, survival probability, mean-to-time-failure, Failure rate

Abstract

A circuit consisting of a resistor and battery was used to completely discharge an ensemble of dry cell batteries, and the number of batteries that failed in a given time were recorded (for five different brands of 1.5 V dry cell batteries, type R6 UM-3 AA
size). This data was converted into Survival Probabilities as a function of time. Using the method of least-squares linear regression, estimates of the failure rate and mean-time-to-failure of each battery brand were extracted from the survival probabilities. The results indicate that supposedly equivalent batteries (from different manufacturers) have grossly different mean-time-to-failure and thus are of different quality. 

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References

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Published

2021-12-01

How to Cite

SIMPLE BATTERY QUALITY ASSESSMENT PROCEDURE. (2021). The Transactions of the Nigerian Association of Mathematical Physics, 17, 183–186. https://nampjournals.org.ng/index.php/tnamp/article/view/212

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