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Design proportional controllers for the systems of Problem 6.1 to meet the following specifications where possible. If the design specification cannot be met, explain why and suggest a more appropriate controller.
(a) A damping ratio of 0.7
(b) A steady-state error of 10% due to a unit step
(c) A steady-state error of 10% due to a unit ramp
Problem 6.1
Sketch the z-domain root locus, and find the critical gain for the following systems:
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Her model indicated that if Stogy hired two rollers per week during the entire first year, inventory would stand at 2,697,000 cigars by year's end.
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