A New Approach to System Safety of humanmulti-robot mobile system control with STPA and FTA
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Date
2020-03-01
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ALGERIAN JOURNAL OF SIGNALS AND SYSTEMS (AJSS). Vol. 5, Issue 1.pp79-85
Abstract
Autonomous Mobile multi-robots are among the most complex systems in their control. Especially
when those robots navigate in hazardous and dynamic environments such as chemical analysis laboratories
which include dangerous and harmful products (poisonous, flammable, explosive ...). This study deals the
safety problem in a robotic analysis laboratory and investigates the possibility to use those autonomous multirobots in such environments with the presence of human workers without serious hazards. We used a
systems-theoretic hazard analysis technique (STPA) in addition to fault tree analysis to identify the potential
safety hazard scenarios, their causal factors and we conclude by a set of recommendations.