Electrical Instrumentation
 

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Recent blog posts

Simple: the control principle behind the two is the same, and they both can be viewed as the inverted pendulum problem.

 

An inverted pendulum is a pendulum which has its centre of mass above its pivot point.  It is often implemented with the pivot piont mounted on a cart that can move horizontally and may be called a cart and pole.  Whereas a normal pendulum is stable when hanging downwards, and inverted pendulum is inherently unstable, and must be actively balanced in order to remain upright.  Sam things happens with both the rocket and the broom!

 

If you want to learn more about stability, control and in particular the control of industrial processes enrol in our Diploma of Electrical & Instrumentation as soon as you can.

 

 

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Posted by on in Children's Services

Often as Educators we are asked how many learning stories are you doing? Is there a certain amount of learning stories per month that need to be completed? Is one learning story per month enough? These questions are often seen on social media and heard in staff rooms across the nation. Where do we find the answer to these questions?

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Posted by on in Electrical Instrumentation

 

Yes, they do already exist…

 

Stuxnet is a virus discovered in June 2010. It was designed to attack Siemens Step7 software running on a Windows operating system. Not the PLC model we use in our class (S7-1200) but one very similar, the Siemens S7-300.  

 

 

 

 

Stuxnet does little harm to computers and networks that do not meet specific configuration requirements; it makes itself inert if Siemens software is not found on infected computers, and contains safeguards to prevent each infected computer from spreading the worm to more than three others, and to erase itself on 24 June 2012.  It only attacks PLC systems with variable-frequency drives from two specific vendors: Vacon and Fararo Paya. Furthermore, it monitors the frequency of the attached motors, and only attacks systems that spin between 807 Hz and 1210 Hz. The industrial applications of motors with these parameters are diverse…

 

 

 

So, what was the purpose?

 

It is believed that Stuxnet almost ruined one-fifth of the Iranian nuclear centrifuge by spinning out of control while simultaneously replaying the recorded system values which shows the normal functioning centrifuge during the attack. The worm worked by first causing an infected Iranian IR-1 centrifuge to increase from its normal operating speed of 1,064 hertz to 1,410 hertz for 15 minutes before returning to its normal frequency. Twenty-seven days later, the worm went back into action, slowing the infected centrifuges down to a few hundred hertz for a full 50 minutes. The stresses from the excessive, then slower, speeds caused the aluminum centrifugal tubes to expand, often forcing parts of the centrifuges into sufficient contact with each other to destroy the machine!

 

 

 

Fortunately you are not learning to do this on our PLC units but PLC programming is truly interesting and has a wide range of applications…

 

If you want to learn more about Stuxnet go to http://en.wikipedia.org/wiki/Stuxnet.

 

 

 

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Do you and your mates like to take bets for fun?

What about asking them to guess what the mass (in kg) of air is pressing down on a single square metre (1m X 1m) of ground at sea level?

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Would you like to RPL your qualification or do you know someone who is nervous or worried about gaining formal qualifications to work as an early childhood educator?
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Posted by on in Children's Services

Wow!!!!! We have had a few very exciting times since my last blog. 

 

Our first Childrens Services class has gone off with out any hitches and the students are having a wonderful time. Have you checked out our facebook page to see all the photos? 

 

We have also held our first of many Industry Breakfasts for Childrens Services with Caroline Fewster presenting a wonderful session on "documenting in childrens services". This breakfast was very successful with all of the industry bodies (department of education, centre directors, centre owners) who were able to attend. We look forward to our next one in Novemeber where our guest speaker will be Dr Brenda Abbey talking about learning stories.

 

Please dont forget to like us on facebook so you can be kept up to date with what is going on in our campus

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One more sleep and our first Certificate III Children's Services Class Starts...... I'm really looking forward to it!!!

 

child care

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Did you know minor amendments to the Education and Care Services National Regulations have been made and approved and will come into effect on 1 September 2013?

For more information head on over to ACECQA.

http://www.acecqa.gov.au/amendments-to-national-regulations-to-come-into-effect-on-1-september-2013

 

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Posted by on in Children's Services

We are holding our first Industry Breakfast and Workshop 5th September

 

PRESENTER: Caroline Fewster

TIME: 8.30am - 11.00am

VENUE: EIM Training, Robina Campus

COST: FREE! FREE! FREE!

INCLUSIONS: Breakfast & Workshop

 

If you would like to come please click on the link below to secure your place

http://www.eim.edu.au/index.php?option=com_acymailing&ctrl=archive&task=view&mailid=16&key=aec27a8f111225a82dd6a99b104e6c9d&subid=2-3de25c383685846470ce13b34b30c0c6&tmpl=component

 

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Posted by on in Children's Services

Hello and welcome to our first Children's Services Blog.

I am going to use this space to provide you with news, information and changes to do with our profession. If you would like to know more about anything to do with Children's Services please leave me a comment and I will do my best to help find you the answers.

 

Classroom C3G Delivery

I am so excited to announce we will be holding our first Certificate 3 Guarantee class on the 27th August 2013. This course is designed for people who do not hold a certificate 3 or higher in any sector to gain a certificate and enter the work force. We have limited place available so if you are interested please call the campus and speak with Stormie and she will be able to tell you if you are eligible or not.

Check out our changing child care room...........

 


 

 

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