Overlap in Automatic Root Cause Analysis in Manufacturing: An Information Theory-Based Approach

Automatic Root Cause Analysis solutions aid analysts in finding problems’ root causes by using automatic data analysis. When trying to locate the cause of a problem manufacturing process, an issue-denominated overlap can occur. Overlap impede automated diagnosis algorithms, as make it impossible discern influence each machine on quality products. This paper proposes new measure based information theory concept called Positive Mutual Information. allows for more detailed A approach is developed automatically problems when occurs. visualization that depicts overlapped locations also proposed ease practitioners’ The solution validated simulated and real case-study data. Compared previous solutions, improves capacity pinpoint problem’s causes.