Procedures for Decision Thresholds Finding in Maintenance Management of Belt Conveyor System – Statistical Modeling of Diagnostic Data

  • Paweł K. StefaniakEmail author
  • Agnieszka Wyłomańska
  • Jakub Obuchowski
  • Radoslaw Zimroz
Part of the Lecture Notes in Production Engineering book series (LNPE)


Belt conveyors are a key component in material transportation system in both opencast lignite mining and underground copper mines in Poland. Regardless of the structure of the mine, the problem of maintenance of belt conveyors is important (from the entire mining process point of view) for many reasons, such as: (a) conveyors are spatially distributed over a large area, (b) they create logically structured form of complex and heavy components, (c) they are operating in harsh mining environmental conditions, (d) failure of any belt conveyor might result in downtime of the entire production line or its major part. The paper discusses the issue of maintenance of gearboxes used in the conveyor drive systems. The authors have developed a CMMS-class system using GIS technology to support management of conveyors’ network. Its fundamental role is to make right decisions for the exchange of components of the drive systems or allow them to continue their work. Such defined problem requires determination of complex decision rules and the definition of appropriate thresholds of diagnostic parameters. The article presents the procedures for determining decision thresholds, based on statistical modeling of diagnostic data and multidimensional data clustering. By selection of suitable distribution of the data and appropriate statistical parameters, multidimensional data analysis has been performed to determine threshold values for the effective identification of the condition of machines and their components.


belt conveyor maintenance management diagnostics data modeling 


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© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Paweł K. Stefaniak
    • 1
    Email author
  • Agnieszka Wyłomańska
    • 2
  • Jakub Obuchowski
    • 1
  • Radoslaw Zimroz
    • 1
    • 3
  1. 1.Diagnostics and Vibro-Acoustics Science LaboratoryWroclaw University of TechnologyWroclawPoland
  2. 2.Hugo Steinhaus Center, Institute of Mathematics and Computer ScienceWroclaw University of TechnologyWroclawPoland
  3. 3.System Analysis and Process Management DepartmentKGHM Cuprum Ltd., Research & Development CentreWroclawPoland

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