OPTIMIZATION OF TEMPERATURE FLUCTUATION CONTROL IN LEGAL METROLOGY LABORATORIES USING THE TAGUCHI METHOD

Abstract

Temperature fluctuations in legal metrology laboratories can affect measurement accuracy and instrument stability. This study aims to analyse and optimize the factors influencing temperature fluctuations, namely AC temperature, time duration, and lighting, using the Taguchi method with an L9(3³) orthogonal array. The experiment was conducted with three variable levels for each factor, and the results were analysed using the Signal-to-Noise (SN) ratio and Analysis of Variance (ANOVA). The findings indicate that time duration has the most significant impact on temperature fluctuation, followed by lighting, while AC temperature has a smaller effect. Although ANOVA analysis shows that none of the factors are statistically significant on the SN ratio, strong interaction
effects were observed, particularly between AC temperature and time duration, as well as AC temperature and lighting. The optimal combination to minimize temperature fluctuations is selecting a longer time duration and lower lighting intensity. This study concludes that better control of time duration and lighting can improve laboratory temperature stability, contributing to enhanced measurement accuracy and energy efficiency. These findings can serve as a basis for managing metrology laboratory environments to ensure more precise and reliable measurement results.