Question: For a Liquid-level control system similar to that in figure, Appelpolscher has argued that integral control action is not required because the process acts as

For a Liquid-level control system similar to that in figure, Appelpolscher has argued that integral control action is not required because the process acts as an Integrator (cf, Eq. 11-77). To evaluate his assertion, determine whether proportional-only Control will eliminate offset for step changes in
(a) Set point and
(b) Disturbance variable.

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a Substituting for G c G m G v and G p into Eq 1126 gives b For proportional controller G ... View full answer

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