Dynamic Process Control (DPC)

Posted in Operations and Supply Chain Terms, Total Reads: 316
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Definition: Dynamic Process Control (DPC)

Dynamic Process Control (DPC) is a process that has a plurality of independent, controlled and manipulated variables and has at least one controlled variable dependent on the manipulated variable can be controlled through the process.


Steps involved in DPC-

1. Data is gathered about the process.

2. Disturbances are introduced in the manipulated variables. The effect of the disturbance on the controlled variable is measured.

3. The value of the controlled variable is measured.

4. The data gathered from the test disturbances and the measured value of the controlled variable are used. Changes in the manipulated variables (at least one) is calculated. The controlled variable is driven towards its set point while ensuring that the predetermined limit is not exceeded.

5. The manipulated variables are adjusted according to at least one change from the calculated changes.

6. Values are then calculated for a second time.

7. The second set of values are calculated in a way such that the controlled variable is driven towards its set point while ensuring that the predetermined limit is not exceeded.

8. The manipulated variables are then adjusted in accordance to at least one change/deviation from the second set of changes.

 

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