stv100-5-systems - STV100 Technological Systems and Control...

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STV100: Technological Systems and Control Scott M. Campbell [email protected] University of Waterloo 26 October 2010 1/ 28
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Introduction Did you... Did you... ...ever get the feeling you’re trapped in a system? 2/ 28
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Introduction The great philosophy of Joni Mitchell The great philosophy of Joni Mitchell “Don’t it always seem to go, That you don’t know what you’ve got til it’s gone” Joni Mitchell, 1970 3/ 28
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Outline for tonight Outline for tonight The electrical blackout Characteristics of technological systems Technological momentum as middle path Goal: To characterize and expand our understanding of technological systems, and introduce problems of control 4/ 28
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Survey results How long could you go without electricity? How long could you go without electricity? Hours % of class No time at all 0-1 4 A few hours* 1-4 15 A afternoon or so 5-9 11 Half a day 10-12 10 A day or so 24-30 15 A day to two days 36-48 23 Two to four days 60-100 5 A week 168 5 A few weeks 200-400 4 Forever Infinite 8 * As long as a laptop battery might last 5/ 28
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The Great North American Blackout The Great North American Blackout New York City as it “lived by the light of the moon” during the blackout 6/ 28
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The Great North American Blackout Where did the blackout hit?
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