A dependability case construction approach based on dependability deviation analysis

Dajian Zhang, Minyan Lu, Xingyu Zhao

Research output: Contribution to journalArticlepeer-review


As computer-based systems play an important role in our daily life, dependability assessment of these systems is of great significance. Simply combining the result of each dependability attribute could not reflect system dependability faithfully. Therefore, holistic methods to assess dependability are necessary. As a new and promising method which focused on demonstrating the dependability of product-specific system, structured assurance case model receives growing attention. Build a dependability case systematically and effectively is challenging work, particularly for systems which involves multi-contractor who have different responsibilities. In this paper, we proposed a new dependability case construction method to address the ownership problem of system dependability case which involves multiple contractors. Our method extends the existing Dependability Deviation Analysis with contractor's analysis and elicitation and integrates the contractor's information into the whole dependability argument architecture. We illustrate our contributions by application to a Train Control and Monitor System which preliminarily shows the effectiveness of our method.

Original languageEnglish
Pages (from-to)3682-3687
Number of pages6
JournalApplied Mechanics and Materials
Issue number5
Publication statusPublished - 2014
Event2014 International Conference on Vehicle and Mechanical Engineering and Information Technology - Beijing, China
Duration: 19 Feb 201420 Feb 2014


  • Dependability assessment
  • Dependability case
  • GSN contract

ASJC Scopus subject areas

  • Engineering(all)


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