Step Response with a P Controller
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This is a step response for a unity feedback system with proportional gain 
. The plant is second order with poles at -1 and -2, unity DC gain, and no zeros. Adjust 
to view the effect of the proportional gain on the step response of the closed loop system.
Contributed by: Doug Looze (March 2011)
Open content licensed under CC BY-NC-SA
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"Step Response with a P Controller"
http://demonstrations.wolfram.com/StepResponseWithAPController/
Wolfram Demonstrations Project
Published: March 7 2011
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