{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Matlab M-File Velocity Analysis, Example 2 Matlab Source

# Matlab M-File Velocity Analysis, Example 2 Matlab Source -...

This preview shows pages 1–2. Sign up to view the full content.

Sheet1 Page 1 %ME 3212: Mechanisms %Chapter 3 Examples %Finding the velocities of links %Dr. Jeremy Daily %close an initialize system clc clear all close all %4-Bar mechanism %knowns: a1=600 a2=140 a3=690 a4=400 a5=200 a6=200 omega2=50 theta2=linspace(0,2*pi,150) %position solution: s=sqrt(a1^2+a2^2-2*a1*a2*cos(theta2)) beta=acos((s.^2 + a1^2 - a2^2)./(2*a1*s)) psi=acos((s.^2 + a1^2 - a2^2)./(2*a1*s)) theta4=atan2(a2*sin(theta2),d+a2*cos(theta2)) %velocity analysis for i=1:length(theta2) A=[ cos(theta4(i)) -r*sin(theta4(i)) sin(theta4(i)) r*cos(theta4(i))] C=[ -a2*omega2*sin(theta2(i)) a2*omega2*cos(theta2(i)) ]' v=A\C rdot(i)=v(1) omega4(i)=v(2) end %Plot the results subplot(2,2,1) plot(theta2*180/pi,theta4) xlabel('\theta_2 (deg)') ylabel('\theta_4 (rad)')

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: grid on axis tight set(gca,'Xtick',[0:45:360]) %sets the current axis to have ticks every 45 deg subplot(2,2,2) plot(theta2*180/pi,r) xlabel('\theta_2 (deg)') ylabel('slider position (mm)') grid on Sheet1 Page 2 axis tight set(gca,'Xtick',[0:45:360]) %sets the current axis to have ticks every 45 deg subplot(2,2,3) plot(theta2*180/pi,omega4) xlabel('\theta_2 (deg)') ylabel('\omega_4 (rad/s)') grid on axis tight set(gca,'Xtick',[0:45:360]) %sets the current axis to have ticks every 45 deg subplot(2,2,4) plot(theta2*180/pi,rdot) xlabel('\theta_2 (deg)') ylabel('slider velocity (mm/s)') grid on axis tight set(gca,'Xtick',[0:45:360]) %sets the current axis to have ticks every 45 deg...
View Full Document

{[ snackBarMessage ]}

### Page1 / 2

Matlab M-File Velocity Analysis, Example 2 Matlab Source -...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online