Eric Feronspring2004

Eric Feronspring2004 - ) n Bode plot for n = , 1 , − 1 ,...

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Handout 1: Bode plot rules reminder Eric Feron Feb 4, 2004 General: Bode plot is to plot magnitudes using logarithm scale, phases using log scales. Indeed: G ( ) = s 1 s 2 = r 1 e 1 r 2 e 2 = s 3 r 3 e 3 Thus | G ( ) = | Then log 10 | G ( ) =. | Recall log 10 Ae = In decibels: G | db = | Bode plots of systems The range over which system behavior can be plotted is Bode plots can be determined Compensation can jωτ 1 + 1 Example: KG ( ) = ( ) 2 ( jωτ a + 1) 1
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Phase( KG ( ))= log | KG ( ) = | in Decibels, | KG ( ) db | = 2
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Basic terms for transfer functions: 1. K (
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Unformatted text preview: ) n Bode plot for n = , 1 , − 1 , − 2 3 2. ( jωτ + 1) ± 1 4 ± ( jω 3. ) 2 + 2 ζ jω + 1 ± 1 ω n ω n 5 2000( s + . 5) Example: G ( s ) = s ( s + 10)( s + 50) Write transfer function in standard form Bode plot 6 . 01( s 2 + . 01 s + 1) Example: G ( s ) = s 2 (( s/ 2) 2 + . 02( s/ 2) + 1) Bode plot 7...
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This note was uploaded on 11/07/2011 for the course AERO 16.30 taught by Professor Ericferon during the Spring '04 term at MIT.

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Eric Feronspring2004 - ) n Bode plot for n = , 1 , − 1 ,...

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