CalcFourBar

# CalcFourBar - D = cos(theta2) - K1 + K4*cos(theta2)+ K5; E...

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

% Patel Himen % 21sept2010 function [theta4, theta3]=CalcFourBar(a,b,c,d,theta2,flag) f % INPUT DATA a = 1; % crank (inches) b = 1.5; % coupler (inches) c = 1.75; % rocker (inches) d = 1.6; % Ground (inches) theta2 = 35*(pi/180); % Angle2 flag = input ('open(1) or cross(2)'); f % check val = a*b*c*d; if val <= 0 output = 'Game Over'; else K1 = d/a; K2 = d/c; K3 = (a^2 - b^2 + c^2 + d^2)/(2*a*c); K4 = d/b; K5 = (c^2 - d^2 - a^2 - b^2)/(2*a*b); A = cos(theta2)- K1 - K2*cos(theta2)+ K3; B = -2*sin(theta2); C = K1 - (K2+1)*cos(theta2)+K3;

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: D = cos(theta2) - K1 + K4*cos(theta2)+ K5; E = -2*sin(theta2); F = K1 +(K4-1)*cos(theta2)+K5; end if flag == 1 theta4 = 2*atan((-B - sqrt(B^2 - 4*A*C))/(2*A)); if theta4 &lt; 0 theta4 = theta4 + pi; end theta3 = 2*atan((-E - sqrt(E^2 - 4*D*F))/(2*D)); if theta3 &lt; 0 theta3 = theta3 + pi; end else theta4 = 2*atan((-B + sqrt(B^2 - 4*A*C))/(2*A)); if theta4 &lt; 0 theta4 = theta4 +pi; end theta3 = 2*atan((-E + sqrt(E^2 - 4*D*F))^(1/2)/(2*D)); if theta3 &lt; 0 theta3 = theta3 + pi; end end end...
View Full Document

## CalcFourBar - D = cos(theta2) - K1 + K4*cos(theta2)+ K5; E...

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

View Full Document
Ask a homework question - tutors are online