Block Diagrams

Question 1

What is the symbol for a gain block

Answer 1

G

Question 2

What is the symbol for a differentiator block

Answer 2

d/dt or S

Question 3

Integrator block

Answer 3

∫dt or 1/S

Question 4

How can block diagrams with a loop be simplified?

Answer 4

Use A(s) / 1+A(s)B(s)

Question 5

How can loop analysis be used to find the TF

Answer 5

Numerator: product of all functions in forward feedback
Denominator: 1 - ∑Ln + ∑of all products of pairs of non-touching loops