Call For Paper Volume:4 Issue:10 Oct'2017 |

SIL of a Safety Fuzzy Logic Controller 1oo2 using Fault Tree Analysis

Publication Date : 27/08/2015



Author(s) :

Dr.-Ing Mohammed Bsiss , Bsiss Mohammed , Fatima Ezzahra Nadir , Prof. Amami Benaissa.


Volume/Issue :
Volume 2
,
Issue 8
(08 - 2015)



Abstract :

This paper investigates how is processed the modeling of hardware failures. The target of this modeling is to assess the average probability of dangerous failure on demand of safety fuzzy logic controller [1] implemented in FPGA. Two evaluation methods are applied. The first method of evaluation uses the reliability block diagram [2]; the second is based on the fault tree analysis [2] and [3].We will demonstrate how to calculate the average probability of dangerous failure on demand. Consequently we’ll able to determine the safety integrity level [6] for a SFLC. The main characteristics parameters for determining this SIL are rate of dangerous detected and undetected failure [4], the diagnostic coverage [5], proof test interval and other parameters


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SIL of a Safety Fuzzy Logic Controller 1oo2 using Fault Tree Analysis

August 25, 2015