12.07.2015 Views

HVAC Control in the New Millennium.pdf - HVAC.Amickracing

HVAC Control in the New Millennium.pdf - HVAC.Amickracing

HVAC Control in the New Millennium.pdf - HVAC.Amickracing

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>HVAC</strong> <strong>Control</strong> <strong>in</strong> <strong>the</strong> <strong>New</strong> <strong>Millennium</strong>Bayesian NetworksSome <strong>in</strong>telligent concepts are be<strong>in</strong>g <strong>in</strong>troduced <strong>in</strong>to PC software. InOffice 97, Microsoft <strong>in</strong>troduced <strong>the</strong> Office Assistant. This animated iconwatched what you were do<strong>in</strong>g <strong>in</strong> your word processor or spreadsheetprogram and offered tips and answered questions to help you with <strong>the</strong>program.The concept beh<strong>in</strong>d tools such as <strong>the</strong> Assistant comes from MicrosoftResearch’s Decision Theory and Adaptive Systems Group. Thisgroup has been <strong>in</strong>volved <strong>in</strong> Bayesian Networks. These networks are<strong>in</strong>terconnected on <strong>the</strong> probability of concurrence among different actionsand conditions. For example, <strong>in</strong> Microsoft Word <strong>the</strong> program follows<strong>the</strong> actions by <strong>the</strong> user, <strong>in</strong>fers what <strong>the</strong> user is try<strong>in</strong>g to accomplishand makes suggestions through <strong>the</strong> Assistant.These <strong>in</strong>itial examples are relatively simple, but Bayesian Networkscan be much more sophisticated. Bayesian networks have beenused as a way to improve processes. They are also f<strong>in</strong>d<strong>in</strong>g <strong>the</strong>ir way <strong>in</strong>toPortal software for hypertext systems. This type of model<strong>in</strong>g of <strong>the</strong>decision-mak<strong>in</strong>g process will allow software <strong>in</strong> <strong>the</strong> future to help youwith complex problems. There will be a gradual <strong>in</strong>crease <strong>in</strong> software<strong>in</strong>telligence that help you do more.Personal SlavesAt Microsoft <strong>the</strong>y see a future where <strong>the</strong> PC not only transcribesspeech but understands what you say. Microsoft predicts a future withoutapplication programs. You would tell your PC what you want andlet it sort out <strong>the</strong> details.The ma<strong>in</strong> issue about today’s software is that it requires too mucht<strong>in</strong>ker<strong>in</strong>g. In 5 or 10 years software will know when its sick and what itneeds to get well. Future versions should offer troubleshoot<strong>in</strong>g wizardsthat help f<strong>in</strong>d hardware conflicts and pr<strong>in</strong>t<strong>in</strong>g and modem problems.When you have a problem, a wizard will ask relevant questions tohelp you figure out what’s happen<strong>in</strong>g. In <strong>the</strong> future, software will lookfor conflicts, make sure drivers are up-to-date and when a fix is necessary,ask if you want to go on-l<strong>in</strong>e and provide a patch. Later on, it willsearch for <strong>the</strong> changes it needs with no <strong>in</strong>tervention from you. Futuresoftware may even watch what you are do<strong>in</strong>g and step <strong>in</strong> when you are©2001 by The Fairmont Press, Inc. All rights reserved.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!