Wednesday, January 28, 2015

EMI EMC for Product Designers - Book Review

ELECTROMAGNETIC INTERFERENCE AND COMPATIBILITY (EMI / EMC)

Reference Literature Survey - Part 3

Book Review : EMC for Product Designers by Tim Williams

I had been invited to deliver a lecture on ElectroMagnetic Interference and ElectroMagnetic Compatibility abbreviated as EMI / EMC. 

This gave me a chance to brush up my rusty knowledge.

Here are a few book reviews I had written earlier when I used to regularly teach this subject at the Post-Graduate Level and conduct specialized training on EMI / EMC too during my faculty days at IAT later known as DIAT Deemed University and MILIT located in the hills of Girinagar near Pune.

This is Part 3 in this series. 

The link to Parts 1 and 2 are given below:

Part 1 - Book Review : Biological Effects of Microwaves by S Baranski and P Czerski at url: http://karvediat.blogspot.in/2015/01/emi-emc-radhaz-hazards-of.html

Part 2 - Book Review : BIOLOGICAL EFFECTS OF ELECTROMAGNETIC RADIATION BY JOHN M OSEPCHUK (Ed) at url: http://karvediat.blogspot.in/2015/01/emi-emc-radhaz-biological-effects-of_19.html

PART 3

EMC for Product Designers by Tim Williams

Book Review by VIKRAM KARVE

A Comprehensive Reference Book for Information Technology, Computer Science, Electronic, Communication and Electrical Engineering Professionals

THE BOOK

Title: EMC for Product Designers
Author: Tim Williams
Elsevier [Fourth Edition, 2007] 498 pages
ISBN – 13: 978-0-75-068170-4
ISBN – 10: 0-750-68170-5

BOOK REVIEW
Most of us consider a number of factors, exoteric and esoteric, while designing or selecting our homes and in the configuration of the numerous modern technological devices and domestic appliances, most of them electrical and electronic, especially in location of various rooms and in deciding where to place these appliances.

Recently I saw a programme on TV where a Vastu Shastra expert was advising viewers not only regarding the various aspects of designing and building living environments that are in harmony with the physical and metaphysical forces but also specifying optimal locations and layouts for various electrical and electronic appliances and devices in both residential homes and workplaces.

I listened with intriguing interest as he gave precise directions and specified exact locations for positioning of Televisions, Computers, Communication Devices, Microwave Ovens, Music systems and other appliances, and fascinated by the congruence between principles and aspects of Vastu and Electromagnetic Compatibility (EMC) and wondered whether the expert in reality was actually an EMC Design Engineer in addition to being a Vastu Shastra Specialist.

When you design or select or configure your house or office I am sure you consider various aesthetic, architectural, financial, utilitarian, geographical, interior and exterior design and other practical aspects, maybe even incorporate the principles of Vastu Shastra and Feng Shui etc.

But do you give even a fleeting consideration to Electromagnetic Compatibility (EMC)?

In today’s world with the increasing use of electrical, communication, electronic and information technologies we are under continual exposure to Electromagnetic Field (EMF), both inside and outside our homes, in our workplaces and even in the open wherever we go, radiating from radiating from electricity power lines, household wiring, microwave ovens, computers, monitors, televisions, communication devices, cellular phones, electrical, electronic and IT appliances.

“Electro-pollution” is an increasingly serious form of Environment Pollution and merits serious consideration, as much as, if not more than, other well-known forms of pollution.

Electro-pollution seems to be omnipresent. 

Apart from hazards to our health, Electromagnetic Interference (EMI) is detrimental to the proper functioning of most electrical, electronic, IT, ITES, ICT, communication and technology-based systems and may cause malfunctions and even potentially disastrous and fatal accidents.

The book being reviewed – EMC for Product Designers by Tim Williams – is one of the most comprehensive reference books I have read on the subject of the Design Management aspects of Electromagnetic Interference and Electromagnetic Compatibility [EMI / EMC].

The book comprises sixteen chapters arranged in three parts:

1. Legislation and Standards

2. Testing

3. Design

The author lucidly covers most micro and macro aspects of EMC Management in meticulous detail.

The logical sequence of topics, clear diagrams, tables and illustrations facilitate easy understanding of this complicated subject.

The Design Checklist, interesting Case Studies and useful mathematical formulae in the appendices and the extensive bibliography add value to this reference book.

Whilst the earlier chapters provide an excellent understanding of the EMC Standards and the basic theoretical principles of EMI / EMC, the “meat” of the book lies in the chapters on Systems EMC and EMC Management which encapsulate all relevant facets of EMC in a holistic manner.

I wish the author had included a detailed chapter on Electromagnetic Health Hazards and mitigation techniques. 

Electromagnetic Pollution (Electropollution) the most vital topic concerning all human beings seems to have not been accorded the due importance it deserves and I hope the author presents a more holistic and systemic view of EMC and includes a comprehensive chapter on pertinent aspects of Bio-electromagnetics, Thermal and Athermal EMR Hazards and their mitigation in the next edition.

I recommend this book – it is an excellent reference book for Electrical, Electronic, Telecommunication and IT Engineers and Managers, Designers, Students and practicing professionals in the field of EMI/EMC and a useful addition for all engineering and technical libraries.

Book Review by VIKRAM KARVE

VIKRAM KARVE
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