lecture_18

lecture_18 - % Bode plot example %...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
ME 421 Mechanical Dynamics and Control Fall 2006, Lecture 18 Today’s topics (Sec. 9-1, 9-2, 9-3); • Frequency-domain analysis: Bode Plot Application example of frequency-domain analysis: Vibration isolation;
Background image of page 1

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

View Full DocumentRight Arrow Icon
Frequency-Response of High-Order Transfer Functions
Background image of page 2
Concept of Bode-Plot s Concept; s MATLAB example; s Relations of poles-zero locations with Bode-plot; s DC-Gain on the bode-plot; s Concept of Bandwidth;
Background image of page 3

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

View Full DocumentRight Arrow Icon
Generalization in the Inputs
Background image of page 4
Generalization in the Inputs
Background image of page 5

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

View Full DocumentRight Arrow Icon
Fourier transform and Frequency Response
Background image of page 6
Application: Vibration Isolation
Background image of page 7

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

View Full DocumentRight Arrow Icon
Application: Vibration Isolation
Background image of page 8
Quiz 5
Background image of page 9

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

View Full DocumentRight Arrow Icon
H:\CourseWork\ME421_Fall06\Lecture\Lecture18_Exmp.m Page 1 October 19, 2006 10:01:42 AM %==================================== % ME 421 Fall 06---Lecture 18
Background image of page 10
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: % Bode plot example % ==================================== xi = 1; %0.05 0.5 1 omega_n = 10; k_dc = 10; % Define the transfer function model; My_Num = [k_dc*omega_n^2]; My_Den = [1 2*xi*omega_n omega_n^2]; My_TF = tf(My_Num, My_Den); % Plot the bode plot; figure(1), bode(My_TF); hold on; % Define a higher-order transfer function with a pair of complex conjugate % zeros; xi_z = 0.01; omega_n_z = 300; k_g = 10; p_1 = 10; xi_2 = 0.01; %0.05 0.5 1 omega_n_2 = 500; My_Num = k_g*[1 2*xi_z*omega_n_z omega_n_z^2]; My_Den = conv([1 p_1], [1 2*xi_2*omega_n_2 omega_n_2^2]); My_TF = tf(My_Num, My_Den); figure(2), bode(My_TF); % Locate the poles and zeros % pole(My_TF) % zero(My_TF)...
View Full Document

This document was uploaded on 03/23/2010.

Page1 / 10

lecture_18 - % Bode plot example %...

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online