Importance of Proper System Controls Placement Stable operation –Environmental and safety standards Product specifications –Quantity and quality Homeostasis.

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Presentation transcript:

Importance of Proper System Controls Placement Stable operation –Environmental and safety standards Product specifications –Quantity and quality Homeostasis –Quickly respond to fluctuations i.e. temperature and pressure

Image from: Morton International Chemical Plant Explosion Paterson, NJ April 8,1998

What Went Wrong Temperature rose above safe levels –Excessive heating –Insufficient cooling Slow response time Runaway exothermic reaction Data from:

Proper Control System Design