Typical Common Cause?

Background A few weeks ago, I commented on an interesting LinkedIn thread about independence and common…

A Review of AV Safety Challenges

The last few posts have focused on AV functional architecture and sensors. In today’s post, we…

Getting Started in Autonomous Safety

I get this question a lot: "Hey, I am an experienced functional safety engineer in another…

Monte Carlo SIL Calculations

Monte Carlo simulation allows uncertainty to be incorporated in SIL calculations and can be done with…

System Safety and PRA Resources

[Updated Dec 2021] This is a list of free handbooks, guides, and textbooks covering all of…

Software Heresy

  "Heresy is another word for freedom of thought." - Graham Greene Software Reliability Redux It…

Overpressure Protection Pitfalls

Admittedly, I have not been the best blogger this year. In my defense, I have been…

Uncertainty and Bayesian Inference Video

We are proud to introduce our first SISEngineer.com original video. This video gives a brief non-technical…

ISO 26262 Fault Metrics Intro

In today’s post, we will take a deep dive into Part 5 of ISO 26262, which…

SIS Survivability and Fire Safety

In my experience, few subjects cause more confusion and misunderstanding in the instrumentation and SIS arena…