Week 1: AF Control Systems

Question 1

What is one example of an analog input/output from the AP system?

Answer 1

AP disconnect on yoke

Question 2

In the EI Pickoff Output signal, what does the Null represent?

Answer 2

Reference position

Question 3

In the EI Pickoff Output signal, what does the Magnitude represent?

Answer 3

Angular Deviation from reference

Question 4

In the EI Pickoff Output signal, what does the Relative phasing represent?

Answer 4

Direction away from reference

Question 5

In the EI Pickoff Output signal, what does the Rate of Change of Magnitude represent?

Answer 5

Angular velocity which the airc. is changing course

Question 6

What is an RLG and how does it detect motion?

Answer 6

Ring Laser Gyro, detects motion using rate sensors

Question 7

If the RLG is in phase, what does this mean and how are the lasers acting?

Answer 7

Level flight and light is intense

Question 8

If the RLG is out of phase, what does this mean and how are the lasers acting?

Answer 8

Not on course and has a fringe pattern (dark bands)

Question 9

What is MEMS?

Answer 9

MicroElectroMechanicalSystems used to make accelerometers using small cantilever beams

Question 10

What do we use to measure angular rates and accelerations?

Answer 10

Inertial Reference Systems

Question 11

This unit is fixed and aligned PERPENDICULAR to the earths axis

Answer 11

Strap-down IRU

Question 12

This unit measures pitot, static, outside air temp

Answer 12

Air Data System

Question 13

What is the purpose of the Compass Systems?

Answer 13

For AP nav functions

Question 14

Another name for a remote sensor is what?

Answer 14

Flux valve/detector

Question 15

What are the 2 types of servos?

Answer 15

AC synchro and Differential transducer

Question 16

Is yaw damper a system or component?

Answer 16

System

Question 17

How do we overcome Dutch roll?

Answer 17

Using a yaw damper or correct with rudder control