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Hazard Identification and Testcase Design Method based on Use Case and HAZOP
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  • Journal title : Journal of KIISE
  • Volume 43, Issue 6,  2016, pp.662-667
  • Publisher : Korean Institute of Information Scientists and Engineers
  • DOI : 10.5626/JOK.2016.43.6.662
 Title & Authors
Hazard Identification and Testcase Design Method based on Use Case and HAZOP
Do, Sungryong; Han, Hyuksoo;
 
 Abstract
As electric and electronic control systems have sharply increased in vehicles, safety accident has emerged as an important issue. Therefore, in order to ensure safety of the vehicle, engineers are required to identify the hazards utilizing PHA and HAZOP, etc. in the early phase of development and implement safety mechanisms to prevent them. HAZOP has been widely used in a systematic manner based on guidewords. However, HAZOP identifies malfunctions from the top-level functionality provided by the system, so it cannot sufficiently identify hazards during the system operation. This leads to restrictions in designing testcases, because the safety requirements are derived from only some of the hazards. This research aimed to provide a hazard identification method utilizing Use case description, which defines operation procedure of the system and HAZOP and a testcase design method based on safety requirements. We introduced a case study on Smart Key Control System in vehicles and compared with hazards identification results based on HAZOP, to demonstrate the effectiveness of this study. The result of this study could potentially reduce development cost and increase system quality by adequately identifying hazards and safety requirements and designing the related testcase.
 Keywords
Use case;HAZOP;hazard identification;hazard testcase design;ISO 26262;
 Language
Korean
 Cited by
 References
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