Analysis of Return-to-Zero Error after the First Load of Load Cell.

Sensors (Basel)

College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China.

Published: October 2023

AI Article Synopsis

  • The return-to-zero error in resistance strain load cells is most noticeable during the initial loading and unloading cycles.
  • Researchers analyzed factors like temperature, material, and weld cup to identify the causes of this error.
  • It was determined that hysteresis significantly impacts the return-to-zero error, and a data fitting algorithm helped establish the correlation, leading to a proposed method for reducing this error.

Article Abstract

The return-to-zero error of the resistance strain load cell is most obvious in the first zero-return process during loading and unloading. To improve the accuracy of the load cell, it is necessary to figure out the cause of the error. The influence of the temperature, material, and weld cup were analyzed in this paper. It was concluded that the hysteresis is the main factor affecting the return-to-zero error after the first load. The relationship between hysteresis and zero-return error after first load was obtained by a data fitting algorithm. A method to improve the return-to-zero error after the first load was proposed.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10649393PMC
http://dx.doi.org/10.3390/s23218712DOI Listing

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