In any industrial plant the aim is to produce standard and high quality products and sell them at prices which make profit. These purposes can be achieved in a successfully designed and controlled processes.
Optimization: combination of several variables together with most suitable conditions.
Optimum conditions are important for
Important Characteristics of Process Control Systems
The focus of the engineer must be on the process. (Pc)
The dynamic behavior of the individual units and the process as a whole is to be understood.
It is always the best to utilize the simplest control system that will achieve the desired objectives.
The design of a process determines how it will respond dynamically and how it can be controlled.
CONTROL: To maintain desired conditions in a physical system by adjusting selected variables in the system.