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© Copyright 2012
EE Publishers (Pty) Ltd
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 Systems modelling and control: An art or a science?
by Dr. Kenny Uren, North-West University
Being a lecturer, teaching control courses to both mechanical and electrical/electronic engineering students, I increasingly become aware of students struggling to get their minds around these two concepts... ( more)
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 In conversation with Dr. Peter Martin, Invensys by Hans van de Groenendaal, EngineerIT
Dr. Martin recently addressed the Invensys User Conference "Change 2012" about one of the most pressing questions in industry - downsizing versus empowerment. "Downsizing has a huge price tag but is easy because it is a cost reduction"... ( more) |
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Up in the cloud
by Hans van de Groenendaal, EngineerIT
"South Africa is not in a recession, maybe you are talking yourself into one," said Kim Anderson, principal analyst and CxO adviser, Ovum when he addressed the recent 2012 Cloud Africa summit. "But you are not!"... (more)
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| Surprises from cellphone usage research
by Hans van de Groenendaal, EngineerIT
The Mobility 2012 research study, conducted by World Wide Worx with the backing of First National Bank, revealed some interesting trends both in terms of cellphone banking and general use of cellphones... ( more) |
EC Amendment Bill 2012 - more bureaucracy and ministerial control?
by Hans van de Groenendaal, EngineerITThe Department of Communications is planning to create another body, additional to ICASA, to take over spectrum management. One of the many changes proposed in the Electronic Communications Amendment Bill, 2012 is the establishment of a Spectrum Management Agency with the overall responsibility for the country's spectrum as contemplated in the White Paper on Broadcasting Policy, 1998... ( more)
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The evolving economics of buying global software
by Rick Parry, AIGS
There are strange habits in the world of enterprise software customers. They're not new, and certainly not surprising... but maybe it's time the SA software industry - and the SA software buying community - started to do something about it... (more)
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Are vendor-neutral data centres the ideal way forward?
by Hans van de Groenendaal, EngineerIT
For many years data centres were the domain of telcos -until 2009, when Teraco opened the first vendor-neutral data centre in Rondebosch, Cape Town. EngineerIT received the following responses to questions posed to various players in the field... (more)
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Monitoring physical threats in the data centre
by Hans van de Groenendaal, EngineerIT
Traditional methodologies for monitoring the data centre environment are no longer sufficient. This is the view of Christian Cowan and Chris Gaskins of Schneider Electric's Data Centre Science Centre in their White Paper on the subject... (more)
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Clouds - what can they do for manufacturing?
by Gerhard Greeff and Ben de Klerk, Bytes System Integration Will cloud work for manufacturing? Will plants accept cloud-based applications? Is cloud just a vendor-driven fad?... ( more)
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Cabling infrastructure for data centres and cloud computing
by Harry Forbes, Nexans Cabling Solutions
The advent of cloud computing and the trend to higher-speed Ethernet communications, including mobile apps, is making it more imperative than ever for data centre infrastructure managers to carefully consider their network architecture... (more)
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Optimised industrial PC design
by Bernd Mathias, Phoenix Contact, USA In today's control, visualisation and SCADA systems, industrial PCs are mission-critical components. Whether the installation is within a manufacturing environment, an infrastructure project like a power substation or any other industrial application, the overall functionality of the complete task typically relies on the industrial PC... ( more) |
| New IEC technical report is good news for automation end users
Information from Fieldbus Foundation
Fieldbus Foundation recently announced its support for a new International Electrotechnical Commission (IEC) report that provides guidance to end users for selecting an industry-standard device integration technology encompassing all host systems, field instruments and device protocols... (more) |
Financial and operational significance of
OIML R 137 Class 0,5
by John Alexander, Krohne OIML R 127 Class 0,5 is a relatively new standard, created to differentiate between the existing ultrasonic flowmeters and the newer generation meters that are less susceptible to installation effects and therefore achieve higher accuracy with less restrictive upstream and downstream installation requirements... ( more) |
Selecting the correct device for measurement control
by Chris Gimson, Endress+HauserExperience in South African and international industrial environments has shown that significant savings (in excess of 20%) can be achieved in the area of utilities energy consumption - this covers water, air, gases, electricity and steam, commonly collectively referred to as WAGES... ( more)
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| Detection by deflection - capacitive touch sensing
by Darren Wenn, Microchip Technology, USA
Touch-screen and touch-panel interfaces have rapidly assumed the position of input-medium-of-choice in a wide variety of application spaces, driven to a large extent by the success of portable products such as Apple's iPhone and iPad... ( more) |
| Batteries are still the weakest link in energy storage
by Hans van de Groenendaal, EngineerIT
Most electric cars run on rechargeable lithium-ion batteries - a pricey technology that accounts for more than half of the vehicle's total cost. One promising alternative is the lithium-sulphur battery, which can theoretically store five times more energy at a much lower cost... (more) |
SA radio amateurs seek allocation around
5 MHz
by Hans van Groenendaal, EngineerIT
For emergency communication such as services offered by the South African Radio League HAMNET, it is important that high frequency (HF) coverage is available at all times. This is currently not possible with the frequencies available to radio amateurs... ( more) |
Gadgets4Geeks
- Sitecom high speed USB hub
- Logitech tablet keyboard
- Now your watch keeps time as you cross continents
- Don't let load shedding upset your computing equipment
- APC's Back-UPS 650 provides enough battery backup power
- Aspire S3 Ultrabook wakes from sleep in 1,5 seconds... (more)
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Telecoms Developments in Africa
Compiled by Matthew White, Iona Press Services
- Study highlights development potential of mobile comms
- Madagascar launches online research network
- Airtel offers faster internet in Malawi, Madagascar and Rwanda
- East Africa seeks joint approach to combat cyber crimes
- Kenya's mobile money monopoly unfair World Bank
- WiFi hotspot convenience for Windhoek's mobile web users
- Nigerian senator threatens GSM firms with the boot
- Tanzania's ICT backbone reaches all border posts
- Zimbabwe's second city gets three new base stations... (more)
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