Voices: Lipták

SIS: Standards by Committee

SIS Committees Don't Like Plain English. Their work is Peppered with High-Tech Buzzwords, Abbreviations and Acronyms That Make These Documents Harder to Read and Hence Less Valuable

By Bela Liptak

We all know the saying that the "camel is a horse designed by committee." Today's safety instrumented system (SIS) standard (ANSI/ISA 84.00.01 (2004), which is a relaxed version of IEC 61508/61511 (1996), is not a camel yet, only a camel baby. It can still be trained, but training needs trainers! Before explaining why I say this, let us look at what a safety integrity level (SIL) is.

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The power of the Sun: Part 1

In discussing global energy issues, CONTROL columnist Béla Lipták, PE, estimates that global warming damage will consume as much as 20% of the global GDP by 2020 even without energy wars.

01/05/2007

How to select control valves, Part 2

When it comes to selecting and sizing control valves and positioners, this article not only helps you pick the right one for the right job, but also includes a valuable valve selection chart you can download!

09/12/2006

How to select control valves, Part 1

When it comes to selecting and sizing control valves, the non-commercial chart in this article not only helps you pick the right one for the job, but also serves as a fantastic reference tool you can download!

07/14/2006

Why do we have global warming?

CONTROL columnist Béla Lipták, PE, finishes his Lessons Learned series on global warming, and what the process control confraternity can do about understanding and perhaps controlling it.

05/18/2006

Can process control help stabilize global warming?

CONTROL columnist Béla Lipták, PE, continues his Lessons Learned series on Global Warming, and what the proceess control confraternity can do about predicting the timing and sizing of future events.

03/14/2006

A process only mankind can control

Global warming, devastating hurricanes and rising ocean currents are all signs of a presently-out-of-control global heat balance that may result in colder winters and our summers permanently disappearing.

01/09/2006

Engineers can control the economy: Part II

In this second installment, CONTROL Columnist Béla Lipták, PE, illustrates an assumed ANN model of the U.S. economy to show what can happen when advanced process control meets economics.

11/14/2005

Can an automation engineer control the economy?

In this month's installment of his Lessons Learned column for CONTROL magazine, columnist Béla Lipták, PE, shows what can happen when advanced process control meets economics.

09/10/2005

Getting Loopy with Control Loops

This month's edition of Ask The Experts focuses in on manual control loops and offers guidance on which PID control mode should be used when, and what the range of tuning settings should be.

07/20/2005

The next generation of smarter valves – Part 2

Much improvement and change is expected in the design of smart and self-diagnosing control valves, with potential advantages outweighing the required investment of time and money.

07/10/2005

The next generation of smarter valves

In the next decade, much improvement and change is expected in the design of smart and self-diagnosing control valves, with potential advantages outweighing the required investment of time and money.

05/10/2005

The fuel cell: A new process to control

The fuel cell is like a battery, except that it never needs recharging because the heat and electricity produced by it are made from the inexhaustible and clean sources of water and air.

09/20/2002