# Bode - Bode gain Bode Diagram 33.5 33 Magnitude(dB...

This preview shows pages 1–15. Sign up to view the full content.

Bode gain 31 31.5 32 32.5 33 33.5 Magnitude (dB) 10 0 10 1 -1 -0.5 0 0.5 1 Phase (deg) Bode Diagram Frequency (rad/sec)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Integrator 10 -1 10 0 10 1 -91 -90.5 -90 -89.5 -89 Phase (deg) -20 -15 -10 -5 0 5 10 15 20 Magnitude (dB) Bode Diagram Frequency (rad/sec)
Derivative -20 -15 -10 -5 0 5 10 15 20 Magnitude (dB) 10 -1 10 0 10 1 89 89.5 90 90.5 91 Phase (deg) Bode Diagram Frequency (rad/sec)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Real pole
Real zero

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Complex pole
Complex zero

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Example 1: Construction of Bode Diagram 2 2 2 Given the transfer function 60( s 5 ) G( s ) s( s 0.5 )( s 0.2s 150 ) Conversion to Bode form: 60 5 s 1 0.5 150 5 ss 0 . 2 s1 s 1 0.5 150 150 Frequency Response j 41 5 G( j ) j j1 0.5 15 ω ωω + = ++ +  +   = + + = + 0.2 0 150 + +
Example 1: Gain Asymptotes 1 s 1 5 s + 1 05 s . + 2 02 1 150 150 s. s + + 10 20 4 log gain [db] [rad/sec] ω -20 db/dec -40 db/dec -20 db/dec -60 db/dec

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Example 1: Gain Comparison gain [db] [rad/sec] ω exact asymptote
Example 1: Phase Asymptotes B K 1 s 1 5 s + 1 05 s . + 2 02 1 150 150 s. s + + phase [degrees] [rad/sec] ω

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Example 1: Phase Comparison [rad/sec] ω
Example 2: Computing A Transfer Function -20 db/dec -40 db/dec -40 db/dec -60 db/dec

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Example 2: Computing A Transfer Function 1. At low frequencies slope –40 db/dec
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 17

Bode - Bode gain Bode Diagram 33.5 33 Magnitude(dB...

This preview shows document pages 1 - 15. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online