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"Now we've adopted Abnormal Situation Management (ASM), trained our operators and left them alone to design their own screens, we've been pleasantly surprised at what they did," said Arnold Oliver, BHP Billiton's process control superintendent, at a recent Honeywell User Group meeting.
In fact, on one unit start-up, the team simplified its operator's job from having to do 24 navigation steps on 12 screens to using just one display. As a result, the operators found it takes much less time to do many typical tasks, that many jobs are easier and less stressful, and that they have more time and freedom to be more proactive. All this means better key performance indicators (KPIs) and better production. More recently, the refinery's user-centered controls also helped to expand its annual capacity again from 3.5 million to 4.6 million metric tons in 2008.
Yes sir, once you use that coffee cup, you'll never go back to cupping your hands.
There are several main steps needed to successfully implement situation awareness and user-centered design in the interfaces, operator environments and procedures of most process control applications, explains Ian Nimmo, president of User-Centered Design Services Inc. (mycontrolroom.com). These steps include: