PC 2 Flashcards

1
Q

What are the typical manipulated variables(MV) in DMC?

A

PID Block, cascade/ Feedfoward control, Setpoint/ratio

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2
Q

Are disturbance variables (DVs) dependent or independent variables?

A

Independent

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3
Q

Write down the equation for solving future MV’s regression

A

AªA🔺️MV= A^(t)E

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4
Q

What are typical lengths if prediction horizon and control horizon in terms of time to steady state (TTSS)?

A

1.5 TTSS and .5 TTSS

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5
Q

What are the benefits of a finite impulse response(FIR) model over a finite step response (FSR) model in terms of testing?

A

Data slice, unmeasured disturbance allowed

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6
Q

If the equal concern error (ECE) for Cv1 is less than ECW for CV2 and both have the same engineering unit which CV1 is more important?

A

Cv1

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7
Q

If a variable has a negative cost does steady-state optimization tend to minimize or maximize the variable?

A

Max

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8
Q

Can move suppression factors be different for different mv’s

A

Yes

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