Typical Common Cause?

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

SISEngineer.com is Dead

Long Live SISEngineer.com! In late 2016, I started a little blog called SISEngineer.com focused on functional…

When Safety Relays Attack!

It was a dark and stormy night.  All was quiet at the operator console, when suddenly…

A Bayesian Approach to IEC 61511 Prior Use

I am pleased to announce that I will be speaking at the 2017 Triconex User Group…