# Talk:Controls/Spring 2012/Test 1

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## Contents

## General Questions

Post general questions or requests for clarification here.

## Community Equations

### Requests

Requests for equations should go here. Start your request with an asterisk and end it with your signature, which is four tildes. For example:

* Damping ratio for a second-order system (4.39, p. 180)? ~~~~

will show up, for Dr. G, as:

- Damping ratio for a second-order system (4.39, p. 180)? DukeEgr93 13:28, 16 February 2012 (EST)

When I respond, I will move the request to the response page and it will look like:

- Damping ratio for a second-order system (4.39, p. 180)? DukeEgr93 13:28, 16 February 2012 (EST)
- Will add DukeEgr93 13:28, 16 February 2012 (EST)

### Responses So Far

This is the equations page for Controls/Spring_2012/Test_1

#### Approved

Here is a link to the equation sheet: Equation Sheet The draft includes the following:

##### Chapter 2

- Motor equation (2.153, p. 81)
- Motor transfer function constants (2.159, 2.162 & 2.163, p. 82)

##### Chapter 4

- 1st Order Rise Time (4.9, p. 167)
- 1st Order Settling Time (4.10, p. 167)
- 2nd Order Peak Time (4.34, p. 179)
- 2nd Order %OS (4.38, p. 180)
- 2nd Order Damping Ratio (4.39, p. 180)
- 2nd Order Settling time (4.42, p. 181)
- 2nd Order Damped Frequency (in 4.44, p. 182)
- 2nd Order Normalized Rise Time (footnote 5, p. 181)

##### Other

- T from Geq for unity feedback

#### Denied / Must Memorize / Not Needed

- Laplace Transform Table (Table 2.1, p. 36)? - not needed
- Op amp general gains (2.97, p. 59 and 2.103, p.60) - must memorize inverting/non-inverting paradigms and gains
- Mechanical rotation and translation impedances (Table 2.4 on p.62 and Table 2.5 on p. 70) - must memorize
- General 2nd order transfer function (4.22, p. 174) - need to memorize - note that to be truly general there needs to be a multiplicative constant in front of all that.
- Mason's Rule (5.28, p. 252) - need to memorize that and what the terms mean.