Electronics, measurement, instrumentation, automation, control and ICT
Issue 135, August 2019
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Editor: EngineerIT
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Lead editorial:
A comprehensive approach to addressing resource challenges
by Prof. Thokozani Majozi, University of the Witwatersrand
In the early 1900s a prediction was made of the human population by the turn of the century. The prediction, using some of the best tools of the time, set the population at 3,6-billion by year 2000. Strangely, the population had reached 6-billion by year 2000 – a major departure from the prediction... (
read more)
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Q&
A: Addressing SA’s water challenges
with
Clayton Duckworth, ABB
In many parts of Africa and the world, hundreds of millions of people still lack access to clean and safe drinking water. Among the worst affected are those living in urban areas where population growth and rapid urbanisation are outstripping already inadequate infrastructure... (
read more)
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High demand spectrum policy – WOAN stays, 5G on hold
by Hans van de Groenendaal, EE Publishers
Government remains married to the Wireless Open Access Network (WOAN) despite the opposition it received from all quarters when the concept was first published in the National Integrated ICT Policy White paper in 2016. The WOAN concept has to date, not been successfully implemented... (
read more)
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Prioritise MRO strategy to manage costs for your company
by Brian Andrew, RS Components
It does not matter if times are good or bad – waste is never welcome at any proactive business. Business is primarily driven by profit and efficiency, and waste is an attack on both. But many businesses, particularly among manufacturers, overlook a major cost hidden among their operations: that of... (
read more)
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Innovative cooling for control shelters
by Martin Hess, Intertec, and Kasie Moodley, Protea Automation Solutions
Air conditioner-based cooling is widely used in hot countries for outdoor shelters housing control and instrumentation equipment. Passive cooling techniques provide an interesting alternative, and the market for these has grown substantially during recent years. A further innovation in this area – “hybrid” cooling – is now extending the advantages of this approach and the variety of applications and... (
read more)
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Practical guide: Thermography in preventive maintenance
Information from Testo
When it comes to maintaining buildings and technical systems, thermography has proved to be an indispensable aid. With the help of invisible infrared radiation, it is not only the function... (
read more)
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The paperless path to digitised maintenance
by Stephan Sagebiel, Phoenix Contact
Although digitisation is an undeniable trend, regular inspection rounds with a defined maintenance plan will continue to be an integral part of plant monitoring and maintenance. Clear and easily legible/scannable markings are essential for these inspections. The identification systems in many old plants are in dire need of modernisation. By modernising... (
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IoT telemetry – A real-time solution for SA’s water crisis
by Donavan Hendricks, Enaqua
The current crisis of sewage pollution and lack of maintenance of water and sanitation systems in the Vaal River has highlighted the need for intelligent, pre-emptive systems and measures to protect South Africa’s precious water and other natural resources. The Internet of Things (IoT) could be the answer. Forward-thinking industries like mines, agriculture and local... (
read more)
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Advanced battery management in energy storage systems
by Stefano Gallinaro, Analog Devices
Battery monitoring systems are fundamental enablers of different markets. Batteries play a key role in a range of applications, from going the extra mile in electric vehicles to storing renewable energy for the... (
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Digital power: Challenges and opportunities for power designs
by Gary Bocock, XP Power
Digital power has experienced rapid growth over the last five years, taking advantage of the many benefits that digital control can bring to a traditionally analogue domain. The increasing adoption of digital control has... (
read more)
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How data centre operators can manage growth
by Andreas Sila, Huber+Suhner
This article addresses how data centre operators can manage growing bandwidth and connectivity demands. The number of data centres opening around the world is increasing, with the Cloud Africa 2018 report finding that cloud use among medium-to-large organisations has more than doubled between 2013 and 2018, highlighting the truly global... (
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The surprising story of how Ford helped put a man on the moon
Information from Ford Motor Company
“Houston, Tranquility Base here. The Eagle has landed.” Neil Armstrong’s words reverberated throughout the NASA Mission Control Centre in Houston, and cheers and celebrations erupted both at Mission Control and around the world. The Apollo 11 lunar module had just landed on the moon. Fifty years after that fateful moment, there isn’t much about the moon landing that has escaped our collective knowledge. But one thing that might surprise people is that Ford Motor Company had a huge hand in... (
read more)
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Compromising on software outsourcing may lead to disaster
by Hans van de Groenendaal, EE Publishers
It remains a mystery at the heart of Boeing’s 737 Max crisis, how a company renowned for meticulous design, made seemingly basic software mistakes leading to two deadly crashes. Peter Robison at Bloomberg recently wrote “Longtime Boeing engineers say the effort was complicated by a push to outsource work to lower-paid contractors. The Max software, plagued by issues that could keep the planes grounded for a long time, was developed at a time Boeing was laying off... (
read more)
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