ADVANCED ANALYTICS APPLIED TO PROBLEM SOLVING TECHNIQUE ON A PULP MILL
DOI:
https://doi.org/10.52292/j.laar.2019.355Keywords:
Lean manufacturing, Problem solving, Advanced analytics, Process modelling, Pulp millAbstract
In this article, advanced analytics will be applied to the lean 8 step problem solving technique aiming to increase the data analysis reliability. The modelling techniques consider in this work are boosted and bagging decision trees, artificial neural networks, relief and stepwise regression. The proposal is validated by the evaluation of a bleaching process problem on a pulp mill. The high pressure events on bleaching washer feeding stage resulted on bleaching non planned shutdowns. The lean 8 steps problem solving technique allied to advanced analytics modeling tools reduced the high pressure events on 63%. As a result, the plant reduced its loss of production due to bleaching plant and allowed to increase the pulp production rate. On this example the relief, decision trees and stepwise regression algorithms proved to be a well-tuned packet for problem solving in a pulp mill.
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