1. How many output devices can be put in series on a rung in a ladder logic diag

Question

1. How many output devices can be put in series on a rung in a ladder logic diagram?  How many output devices in parallel?

2. In the movement of a robot arm, the arm is commanded to go from position 1 to position 5. Discuss the rise time, the overshoot, the settling time, and the steady-state error as it applies to the movement of a robot arm?

3.

4.

5. Find the straight voltage gain of an amplifier that has a gain of 35 db

6. A proportional control system is to be used to control the wing flap of a jet airplane. The wind load is expected to cause as much as 600 in-lb of torque. The system should be able to keep the flaps with 5o of the set point. Find the gain Kp necessary to meet these requirements.

Explanation / Answer

1)

in series only 1 output

in parallel many outputs

2)

3)

output

4)

Stopping a clothes dryer when the clothes are dry.

5)

A=20Log(V/Vo)

if reference votage Vo= 1V

35=20log(V/Vo)

35/20 =log(V/1)

1.75 =Log(V)

V=10^1.75

V=56.23 V

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