Analysis of robot systems using fault and event trees: case studies

Khoorosh Khodabandehloo

Research output: Contribution to journalArticle (Academic Journal)peer-review

30 Citations (Scopus)


Safety in the use of robotics outside factories or processing plants has become a matter of great international concern. Domestic robots and those intended to assist nurses and surgeons in hospitals are examples of cases where safety and reliability are considered critical. The safe performance of robot systems depends on many factors, including the integrity of the robot's hardware and software, the way it communicates with sensory and other production equipment, the reliable function of the safety features present and the way the robot interacts with its environment. The use of systematic techniques such as Fault and Event Tree analysis to examine the safety and reliability of a given robotic system is presented. Considerable knowledge is needed before the application of such analysis techniques can be translated into safety specifications or indeed ‘fail-safe’ design features of robotic systems. The skill and understanding required for the formulation of such specifications is demonstrated here based on a number of case studies.
Translated title of the contributionAnalysis of robot systems using fault and event trees
Original languageEnglish
Pages (from-to)247-264
Number of pages18
JournalReliability Engineering and System Safety
Issue number3
Publication statusPublished - Sep 1996

Bibliographical note

Special Issue: Safety of Robotic Systems


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