Review of maintainability design principles and their application to conceptual design

Z. Tjiparuro, G. Thompson

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The life cycle cost of a system is, to a large extent, influenced by its maintainability. Besides being a statistical concept, maintainability is a design parameter whose achievement is influenced by known elements and attributes. However, these elements and attributes appear far and wide in literary sources. This paper consolidates these elements and attributes by reconciling and developing previous research efforts. It also shows how these attributes interact with each other to influence major maintainability indices such as mean time to repair (MTTR), maintenance policy, and others. It is also further argued that the conventional tendency of 'handpicking' certain attributes to assess maintainability is to a great extent ad hoc, and it is shown how it could be rationalized. Finally, it is observed that the number and diversity of these requirements makes their assessment during conceptual design impossible because of 'cognitive overload'. Therefore, an approach to maintainability analysis during conceptual design, based on the concept of functional design and maintainability axioms, is proposed.

Original languageEnglish
Pages (from-to)103-113
Number of pages11
JournalProceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
Volume218
Issue number2
DOIs
Publication statusPublished - May 2004

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Maintainability
Conceptual design
Life cycle
Repair
Costs

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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