Machinery Safety 101

Interlock Architectures – Pt. 5: Category 4 — Control Reliable

This entry is part 5 of 8 in the series Cir­cuit Archi­tec­tures Explored

Ed. note: I’ve made a few updates to this art­icle since it was first pub­lished in 2011, with the most recent today, 6‑Dec-18. – DN – The most reli­able of the five sys­tem archi­tec­tures, Cat­egory 4 is the only archi­tec­ture that uses mul­­tiple-fault tol­er­ant tech­niques to help ensure that com­pon­ent fail­ures do not res­ult in an unac­cept­able…

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AntennaSys tests the iPhone 4…

Are you an Apple fan? An iPhone fan? Here’s an art­icle on an inde­pend­ent test on the iPhone 4 by Anten­naSys that may interest you…

http://www.AntennaSys.com

You may also be inter­ested in this IEEE pod­cast with one of the prin­ciples at Anten­naSys, Spen­cer Webb

Inside Apple’s EMC Lab

Mac­world was invited inside Apple’s EMC test lab for a tour – the first time journ­al­ists have been per­mit­ted into this area. This art­icle looks at what Apple does to make sure their products meet EMC design require­ments. Test­ing indus­tri­al equip­ment is often sim­pler that this, and you don’t need to buy your own labs to do it. Are your machine designs com­pli­ant? Would you know if they

Why Conventional EMC Testing is Insufficient for Functional Safety

At the recent PSES Sym­posi­um, I atten­ded a couple of inter­est­ing work­shops on EMC and Func­tion­al Safety. One was called “Work­shop on EMC & Func­tion­al Safety” presen­ted by Keith Arm­strong, Bill Radasky and Jacques Delaballe. The oth­er was a paper present­a­tion called “Why Con­ven­tion­al EMC Test­ing is Insuf­fi­cient for Func­tion­al Safety” presen­ted by Keith Arm­strong.

For read­ers who are new to the idea of Func­tion­al Safety, this field deals

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2008 IEEE PSES Symposium On Product Compliance Engineering

What a great Sym­posi­um! Dr. June Ander­sen kicked it off with a great key­note, and the rest of the ses­sions were excel­lent!

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