(2),dth(3)(rad/s)')text(250,200,'连杆2角速度')text(50,100,'摇杆3角速度')5.r1旋转360°时,α2,α3程序M文件:r(1)=50;r(2)=150;r(3)=300;r(4)=400;th(1)=0;dr=pi/180;dth(2)=58.4119*dr;dth(3)=154.7912*dr;dth(1)=36;dth2=1*dr;fork=1:360x=rrrvel([th(1),dth(2),dth(3),dth(1),r(1),r(2),r(3)]);y=jweiyi([th(1),dth(2),dth(3),r(1),r(2),r(3),r(4)]);dth(2)=y(1);dth(3)=y(2);w1=x(1);w2=x(2);C=[-r(2)*sin(dth(2)),r(3)*sin(dth(3));r(2)*cos(dth(2)),-r(3)*cos(dth(3))];D=-[-w1*r(2)*cos(dth(2)),w2*r(3)*cos(dth(3));-w2*r(2)*sin(dth(2)),w2*r(3)*sin(dth(3))]*[w1;w2]+10*[10*r(1)*cos(th(1));10*r(1)*sin(th(1))];a=inv(C)*D;a2(k)=a(1);a3(k)=a(2);jiao(k)=th(1);th(1)=th(1)+dth2;endfigure(3)plot(jiao/dr,a2,jiao/dr,a3)axis([0,360,-5000,5000])gridontitle('角加速度线图')xlabel('曲柄旋转转角')ylabel('从动件角加速度(rad/s^2)')text(200,40,'连杆2的角加速度')text(150,-40,'摇杆3的角加速度')
全文预览
