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In addition to research papers, the Design Society is developing several valuable resources for those interested in the study of design. These include a repository of PhD theses, a library of case studies and transcripts of design activities, and an archive of our newsletters. Please note that these resources are accessible exclusively to Design Society members.

Modeling and Analyzing Fault-Tolerant Mechatronic Systems

Deyter, Sebastian; Gausemeier, Jürgen; Kaiser, Lydia; Pöschl, Martin


Type:
Year:
2009
Editor:
Norell Bergendahl, M.; Grimheden, M.; Leifer, L.; Skogstad, P.; Lindemann, U.
Author:
Series:
ICED
Section:
Design Methods and Tools
Page(s):
55-66
Abstract:
The increasing functional integration of mechanical and electronic components in mechatronic systems leads to numerous interdependencies. Not recognized in time, they often cause problems regarding the product reliability. Assuming the appearance of a failure can be traced back to a sequence of events, failure-continuation models are useful for the evaluation of the reliability of mechatronic systems. The most established methods are the Failure Modes and Effect Analysis (FMEA) and the Fault Tree Analysis (FTA). Generating fault trees by hand is time-consuming. There is a need to support the generation of fault trees. By extending the specification technique, developed by the University of Paderborn, the causes of unintended system outputs can be traced back in an early development phase. The needed extensions are presented and applied at the principle solution of a fault-tolerant active steering system.
Keywords:

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