4 - Frequency analysis. Model descriptions.

Step-by-step instructions: How to draw a Bode diagram Download How to draw a Bode diagram (in Swedish) 

 

Lecture video:

Part 1. Download Part 1.Play media comment.

0:00 Vad är ett frekvenssvar?

 4:00 Frekvensanalys

10:00 Nyquistdiagrammet

13:50 Exempel rita Nyquistdiagram

17:50 Bodediagrammet

22:50 Presentation av typfunktioner

Part 2. Download Part 2.Play media comment.

0:00 Rita Bodediagram för ett antal typfunktioner

28:19 Exempel: Rita Bodediagram m.hj.a. elementära Bodediagram

 

Lecture notes: Chapter 4 in the lecture notes (Swe Download Swe) / (Eng Download Eng)

 

Lecture materials:

Exercise: Pair frequency response and transfer function to Bode plot (w. solution!) Download Exercise: Pair frequency response and transfer function to Bode plot (w. solution!)

Simple Matlab script to demo drawing Nyquist and Bode plots Download Simple Matlab script to demo drawing Nyquist and Bode plots

Exercise (think-pair-share): Sensitivity function and suppression of low frequency noise Download Exercise (think-pair-share): Sensitivity function and suppression of low frequency noise