基于MATLAB曲柄滑块机构运动仿真报告.doc

*计算机仿真技术matlab报告*曲柄滑块机构目录一、基于GUI的曲柄滑块机构运动仿真二、基于simulink的曲柄滑块机构运动仿真曲柄滑块机构1.题目描述题目：对如图1所示的曲柄滑块机构的运动过程进行仿真，并用动画的方式显示曲柄滑块机构的运动过程，位移曲线、速度曲线和加速度曲线。图中，AB长R2，BC长R3mm，A点为坐标原点。 图1 曲柄滑块机构示意图2.实现方法利用GUI界面设计来对曲柄滑块机构的运动过程进行仿真，并用动画的方式显示曲柄滑块机构的运动过程。3.界面设计1. Gui 设计1）新建GUI：菜单-新建-gui，并保存为test52）界面设计：拖拽左侧图标到绘图区，创建GUI界面拖拽左侧图标值绘图区设置如下的按钮最终的仿真界面如图所示3）代码添加：进入代码界面4.代码编程%模型求解a1=str2double(get(handles.edit1,String);a2=str2double(get(handles.edit2,String);a3=str2double(get(handles.edit3,String);a4=str2double(get(handles.edit4,String);a5=str2double(get(handles.edit5,String); a=a1*(1-cos(a4*a5)+0.25*(a1/a2)*(1-cos(2*a4*a5); set(handles.edit6,String,a); a0=(a4*a1)*(sin(a4*a5)+0.5*(a1/a2)*sin(2*a4*a5); set(handles.edit7,String,a0); a6=(a4*a4*a1)*(cos(a4*a5)+(a1/a2)*cos(a4*a5); set(handles.edit8,String,a6);%绘制位移、速度、加速度曲线axes(handles.axes3);r1=str2double(get(handles.edit1,String);r2=str2double(get(handles.edit2,String);omiga1=str2double(get(handles.edit4,String); x11=1:720;for i=1:720 x1(i)=i*pi/180; %sin(x2(i)=r1/r2*sin(x1(i); x2(i)=asin(-r1/r2*sin(x1(i); x22(i)=x2(i)*180/pi; r3(i)=r1*cos(x1(i)+r2*cos(x2(i); B=-r1*omiga1*sin(x1(i);r1*omiga1*cos(x1(i); A=r2*sin(x2(i) 1;-r2*cos(x2(i) 0; X=inv(A)*B; omiga2(i)=X(1,1); v3(i)=X(2,1);endplot(x11/60,0.5*r1*sin(x1);xlabel( t/sec)ylabel(Y/mm)figure(2)plot(x11/60,r3);title()grid onhold off;xlabel(t/sec)ylabel( r3/mm)figure(3)plot(x11/60,omiga2);title()grid onhold off;xlabel( t/sec)ylabel( omiga2/rad/sec)figure(4)plot(x11/60,v3*pi/180);title()grid onhold off;xlabel( t/sec)ylabel( v3/mm/sec)%绘制表格axes(handles.axes3);grid onaxes(handles.axes1);grid on%制作动画axes(handles.axes1);hf=figure(name,);set(hf,color,r);hold onaxis(-6,6,-4,4);grid onaxis(off);xa0=-5;%xa1=-2.5;%xb0=-2.5;%xb1=2.2;% x3=3.5;%y3=0;%x4=xb1;%y4=0;%x5=xa1;y5=0;x6=x3;%y6=0;%a=0.7;b=0.7c=0.7 a1=line(xa0;xa1,0;0,color,b,linestyle,-,linewidth,40); %a3=line(x3,y3,color,0.5 0.6 0.3,linestyle,.,markersize,300);%a2=line(xb0;xb1,0;0,color,black,linewidth,10);%a5=line(x5,y5,color,black,linestyle,.,markersize,40);%a4=line(x4,y4,color,black,linestyle,.,markersize,50);%a6=line(xb1;x3,0;0,color,black,linestyle,-,linewidth,10);a7=line(x3,0,color,black,linestyle,.,markersize,50);%a8=line(-5.1;-0.2,0.7;0.7,color,y,linestyle,-,linewidth,5);%a9=line(-5.1;-0.2,-0.72;-0.72,color,y,linestyle,-,linewidth,5);%a10=line(-5.1;-5.1,-0.8;0.75,color,y,linestyle,-,linewidth,5);%a11=fill(-5,-5,-5,-5,0.61,0.61,-0.61,-0.61,a,b,c);% len1=4.8;%len2=2.5;%r=1.3;%dt=0.015*pi;t=0; while 1 t=t+dt;if t2*pi t=0;end lena1=sqrt(len1)2-(r*sin(t)2);% rr1=r*cos(t);% xaa1=x3-sqrt(len12-(sin(t)*r)2)-(r*cos(t);% xaa0=xaa1-2.5;% x55=x3-cos(t)*r;% y55=y3-sin(t)*r;% set(a4,xdata,x55,ydata,y55);% set(a1,xdata,xaa1-2.5;xaa1,ydata,0;0);% set(a2,xdata,xaa1;x55,ydata,0;y55); set(a5,xdata,xaa1);% set(a6,xdata,x55;x3,ydata,y55;0); set(a11,xdata,-5,xaa0,xaa0,-5);% set(gcf,doublebuffer,on);% drawnow;end5结果（1）对它的结构参数进行设置，