What about a fail proof sensors feeding data to controling units at critical to life enviroment/s? Making sure that all of it is working may drive some costs up and that could negatively impact the concept of fully automated system.
Good examples -- Remote notification of: Flood / leak detection, excess humidity level alarm, gas detection with local intelligence to take corrective action and auto calling to emergency contacts. Remote entry control and monitoring.
If our technology can prevent losses, it has paid for itself. Eliminating one pipe freeze event can save huge money and prevent mold. Notifying us that our toilet valve is stuck on can prevent the costly need for a new septic.
This is how to make people aware that it's not just about green, it's also about taking steps to protect yourself and the things of value.
A lot has to do with green technology and an slant toward designing things that are energy efficient.
A big problem is everyone has different needs and issues. You are right, a strip mall may have a shop that uses tons of hot water next to a place that uses a lot of refigeration, next to a place that is just storage. It's not easy to have a unified system that can handle so many issues. And, stores come and go, so it must be able to handle change.
A windmill on a sailboat is kind of an example of energy harvesting. It will reduce forward speed but provide energy. Other types of co generation use pure wasted energy like factory furnace heat which can be used to heat water.
Priorities do change from normal situations to extreem situations. That's why a backup or higher level control point should be able to inject itself into the command stream and override normal functionality.
A wireless node can use an existing power source like 120 vac. If it is critical it should have battery backup. Many modern small and low power digital radios can even operate for years on non rechargable batteries.
A big benefit of wireless is it can go virtually anywhere.
Slide 4: I agree device use should be intuitive, but that implies the user knows what the device is capable of. The majority of users just learn enough to use the minimum set of functional capabilities for almost any device. Thnk how many folks never learned how to program the time on their VCR's. Does anyone really know everything their smart phone can do? Intuitive only goes so far. The interface must eventually include two way speech and tutorials.
Phase synchronization of power girds is an issue that has not fully been solved. It introduces secondary effects to just switch phases abruptly when bridging two ines with different phases. We need to shif phas angle to control power transfer and direction. This issue will have to be solved.
Remote notification of: Flood / leak detection, excess humidity level alarm, gas detection with local intelligence to take corrective action and auto calling to emergency contacts. Remote entry control and monitoring.
Most building electrical designers have a P.E. or must work with a P.E., even as a subcontractor ... just sayin' ... These presentations help give a good baseline of the types of issues one must further research and study
Cghaba: Current times resistance gives the voltage drop acros a load, but the POWER dissipated in that load is given by current SQUARED times resistance. This is a rising parabolic curve relation. Double the current and you are dealing with four times the energy loss.
Slide 17 - Why can't wireless use established power source (120VAC) instead of battery or energy harvesting? It seems most wireless devices today use a wall adapter to get power.... excluding mobile devices of course.
Slide 18 - What are the alternatives to hierarchal control, like can we use a dynamicly scalable priority system that is more nueral rather than strict to get better results. Priorities change under different circumstances so hierarchial system rarely keep up with the real world demands and priorities that are not linearly scalable in nature.
Why can't you guys use real webinar software? Downloading slide decks and having to click on play to start the audio is so antiquated. I missed the first five minutes because I didn't notice the audio player magically showing up.
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