lecture_16

lecture_16 - %0.5 1.0 omega_n = 10; %1 5 z = 1; %3 8 k_dc =...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
ME 421 Mechanical Dynamics and Control Fall 2006, Lecture 16 Today’s topics Quick review of mid-term exam; Time-domain analysis of dynamics response (Sec. 8-3); Introduction to frequency-domain analysis (Sec. 9-1, 9-2);
Background image of page 1

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

View Full DocumentRight Arrow Icon
Mid-Term Review
Background image of page 2
Brief-Discussion of HW #4
Background image of page 3

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

View Full DocumentRight Arrow Icon
Simulation Examples of 2 nd -Order Response Want to show: The transient response of the system depends on the values of the poles and the zero of the system
Background image of page 4
Simulation Examples of 2 nd -Order Sinusoidal Response Want to show: The sinusoidal response of the system depends on the frequency of the input; Concept of Frequency-Response of Dynamics Systems
Background image of page 5

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

View Full DocumentRight Arrow Icon
Frequency-Response of 2 nd -Order Systems
Background image of page 6
Frequency-Response of 2 nd -Order Systems
Background image of page 7

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

View Full DocumentRight Arrow Icon
Frequency-Response of 2 nd -Order Systems
Background image of page 8
Frequency-Response of 2 nd -Order Systems
Background image of page 9

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

View Full DocumentRight Arrow Icon
Frequency-Response of 2 nd -Order Systems
Background image of page 10
H:\CourseWork\ME421_Fall06\Lecture\Lecture16_Exmp.m Page 1 October 12, 2006 10:09:45 AM clear all, xi = .2;
Background image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: %0.5 1.0 omega_n = 10; %1 5 z = 1; %3 8 k_dc = 1; jj = 1; alpha = 0.5; % Define the transfer function model; My_Num = [k_dc, z]; My_Den = [1 2*xi*omega_n omega_n^2]; My_TF = tf(My_Num, My_Den); % Find the poles and zero of the system My_Pole = pole(My_TF) My_Zero = zero(My_TF) % Find the step response figure(jj), step(My_TF) % Simulate the response for sinusoidal singal with different frequencies; xi = .5; omega_n = 50; k_dc = 1; jj = 2; % Define the frequency of the sinusoidal signal; Sin_Omega = 50; % Define the time-window for simulation; My_Time = (0:1e-02:20)./Sin_Omega; My_Sin = sin(Sin_Omega.*My_Time); % Define the system; My_Num = [k_dc, omega_n^2]; My_Den = [1 2*xi*omega_n omega_n^2]; My_TF = tf(My_Num, My_Den); % Simulate the response; [y_s, t_s] =lsim(My_TF, My_Sin, My_Time); figure(10),subplot(3,1, jj), plot(t_s, y_s, 'b', My_Time, My_Sin, 'r--');...
View Full Document

This document was uploaded on 03/23/2010.

Page1 / 11

lecture_16 - %0.5 1.0 omega_n = 10; %1 5 z = 1; %3 8 k_dc =...

This preview shows document pages 1 - 11. Sign up to view the full document.

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