Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 4 (Q.No. 5)

Process Control and Instrumentation

Routh test

criterion provides information about the actual location of roots.

cannot be used to test the stability of a control system containing transportation lag.

criterion is not applicable to systems with polynomial characteristic equation.

can not determine as to how many roots of the characteristics equation have positive real roots.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Asm said: 9 years ago

Transportation lag means? Explain it.

Nik said: 9 years ago

@Asm.

Transportation lag is the time it takes your control action to progress through the process equipment and reach the sensor.

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