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Design methodology for self-maintenance machines

  • Yasushi Umeda
  • Tetsuo Tomiyama
  • Tomohiko Sakao
  • Yoshiki Shimomura
Part of the Manufacturing Systems Engineering Series book series (MSES, volume 5)

Abstract

This chapter describes a design methodology for self-maintenance machines. The self-maintenance machine is a machine that can maintain its functions for a while, even though faults happen. In contrast, a traditional machine may not work at all in such a case. The self-maintenance feature increases the availability of the machine, improves the fault-tolerance, and reduces the maintenance costs. For instance it may reduce sudden, unscheduled maintenance. We illustrate the concepts, reasoning methods, and practical examples of self-maintenance machines. First, we discuss the concept of functional maintenance that includes two types of self-maintenance strategies, i.e. control type and function redundant type. Second, a model-based approach that employs qualitative physics is proposed, as the reasoning technique. Third, we illustrate two examples of self-maintenance machines that we have developed; namely, a commercial photocopier with the control-type self-maintenance capability and a prototype of the function-redundant self-maintenance photocopier.

Keywords

Design Methodology Reasoning System Repair Operation Function Redundancy Repair Strategy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 1999

Authors and Affiliations

  • Yasushi Umeda
  • Tetsuo Tomiyama
  • Tomohiko Sakao
  • Yoshiki Shimomura

There are no affiliations available

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