Blar i Institutt for maskinteknikk og produksjon på forfatter "de Azevedo Vale, Guilherme"
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Optimization of periodic inspection time of sis subject to a regular proof testing
Srivastav, Himanshu; de Azevedo Vale, Guilherme; Barros, Anne; Lundteigen, Mary Ann; Pedersen, Frank Børre; Hafver, Andreas; Oliveira, Luiz F. (Chapter, 2018)Periodic testing is a method to ascertain the availability of Safety Instrumented Systems (SIS). These systems are generally passive and are activated only on demand. Testing is then required to diagnose their current state ... -
Testing of Safety Systems: Bad Effects and Their Modelling with Comparative Studies
de Azevedo Vale, Guilherme (Master thesis, 2018)Safety systems are used in the process industry for many years. The application of these system is based on IEC 61508 standard. In this standard, proof testing is recommended in order to achieve the required SIL. It is ...