• BME 444

# Exam Date: 04/18/19

These instructional objectives provide you with a guide for learning the course material. During the examination you should be able to:

Nise 5

1. Draw basic elements of block diagrams
2. Simplify cascaded and parallel blocks
3. Simplify a control system with feedback into a single block
4. Rearrange blocks before and after summing junctions and pickoff points
5. Adjust the design of a feedback system to achieve desired outputs
6. Convert a block diagram to a signal-flow graph and vice versa
7. Use Mason’s rule to simplify a signal-flow graph
8. Convert a state-space representation to a signal-flow graph and vice versa

Nise 6

1. Define stable, unstable, and marginally stable in terms of natural response and bounded-input/bounded-output (BIBO)
2. Generate a Routh Table given an equivalent closed loop transfer function

Nise 7

1. List the types of test inputs
2. Calculate SS error for unity feedback systems in terms of $$T(s)$$ for step, ramp, and parabolic inputs
3. Calculate SS error for unity feedback systems in terms of $$G(s)$$ for step, ramp, and parabolic inputs
4. Calculate static error constants, $$K_p$$, $$K_v$$, $$K_a$$
5. Determine system type and characteristics based on static error constants and vice versa
6. Calculate the steady state error in a unity feedback system due to an input and a disturbance
7. Calculate the steady state error in a non-unity feedback system due to an input and a disturbance
8. Calculate the actuating signal in a non-unity feedback system
9. Calculate the sensitivity of a function to a parameter

Nise 8

1. Calculate magnitude of $$F(s)$$ given $$s$$
2. Determine number of poles from a root locus plot
3. Determine if a point is on the root locus plot
4. Sketch a root locus plot given G(s) and vice versa

Nise 9

1. Convert magnitude to decibels and vice versa
2. Calculate the magnitude and phase of a transfer function
3. Given a frequency, find a magnitude/phase from a Bode plot (or vice versa)
4. Determine the stability, gain margin, and phase margin of a system given a Bode plot
5. Determine the range of stability of a system from a Bode plot
6. Calculate the transfer function of a system with a time delay
7. Define the changes that a time delay causes in a Bode plot
8. Define closed loop gain, open loop gain, and loop gain
9. Given the poles of $$G(s)H(s)$$ and a Nyquist plot, determine if a system is stable
10. Determine the range of stability of a system from a Nyquist plot
11. Determine the gain margin and phase margin from a Nyquist plot

Last updated:
April 16, 2019