Functional safety of hybrid laser safety systems - How can a combination between passive and active components prevent accidents?

F. P. Lugauer, T. H. Stiehl, M. F. Zaeh

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Modern laser systems are widely used in industry due to their excellent flexibility and high beam intensities. This leads to an increased hazard potential, because conventional laser safety barriers only offer a short protection time when illuminated with high laser powers. For that reason active systems are used more and more to prevent accidents with laser machines. These systems must fulfil the requirements of functional safety, e.g. according to IEC 61508, which causes high costs. The safety provided by common passive barriers is usually unconsidered in this context. In the presented approach, active and passive systems are evaluated from a holistic perspective. To assess the functional safety of hybrid safety systems, the failure probability of passive barriers is analysed and added to the failure probability of the active system.

Original languageEnglish
Pages (from-to)1196-1205
Number of pages10
JournalPhysics Procedia
Volume83
DOIs
StatePublished - 2016
Event9th International Conference on Photonic Technologies, LANE 2016 - Furth, Germany
Duration: 19 Sep 201622 Sep 2016

Keywords

  • failure probability
  • functional safety
  • health and safety
  • laser safety
  • safety at work

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