Discuss the following problems (a–g) in the context of control:
Identify control objectives; Identify input variables and classify as (a) manipulated or (b) disturbance; Identify output variables and classify these as (a) measured or (b) unmeasured; Identify constraints and classify as (a) hard or (b) soft; Identify operating characteristics and classify as (a) continuous, (b) batch, (c) semicontinuous (or semibatch); Discuss safety, environmental, and economic considerations; Discuss the types of control (feed forward or feedback).
Measurements and manipulated variables can vary continuously or may be sampled discretely.
Select from the following:
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