# Talk:ECE 382/Spring 2010/Test 2

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< Talk:ECE 382/Spring 2010(Redirected from Talk:ECE 141/Spring 2010/Test 2)

## 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. 171)? ~~~~

will show up, for Dr. G, as:

- Damping ratio for a second-order system? DukeEgr93 02:20, 23 March 2010 (EDT)
- Will add DukeEgr93 22:41, 23 March 2010 (EDT)

### Responses

The following is the list of approved or denied equations for Test 2 for ECE 382 Spring 2010. For an example equation sheet from Spring 2009, see: Equation Sheet

#### Approved

##### Chapter 2

- Motor Equation (2.153)

##### Chapter 4

- 1st Order Rise Time (4.9, 159)
- 1st Order Settling Time (4.10, p. 159)
- 2nd Order Peak Time (4.34, p. 171)
- 2nd Order %OS (4.38, p. 171)
- 2nd Order Damping Ratio (4.39, p. 171)
- 2nd Order Settling time (4.42, p. 172)
- 2nd Order Damped Frequency (4.44, p. 173)
- 2nd Order Normalized Rise Time (footnote 5, p. 173)

##### Other

- Geq from T for unity feedback

- T from Geq for unity feedback

#### Denied / Must Memorize / Not Needed

- Motor transfer function constants (2.162 & 2.163, p. 79) - will not need
- Transfer function from state space (3.73, p. 133) - will not need
- General 2nd order transfer function (4.22, p. 166) - need to memorize
- Mason's Rule (5.28, p. 240) - need to memorize that and what the terms mean.
- Formula for system type, static error constants, and steady state errors (Table 7.2, p. 336) - need to memorize