机械动力学三级项目

机械系统动力学三级项目报告 SOLIDWORKS仿真参数 针对以下连杆系统，给定初始位置和运动，求解动力学方程，绘2T1T2T3-J2-m2-m22112)222)2（2x2,y2）,(x3,y3)的坐标表达式如(|x21(y2111+22l+2+22l+22(2〈2x31223232321-)1212cos23kk21-)2221-) 313l3)3)22222 3 )113型图Q_T1=[(m1/3+m2+m3)*L1^2*a1+(m23^2*(a1+a2+a3)+(m2/2+m3)*L1*L2*cos((m2/2+m3)*L1*L2*sin(s2)*v2*(2*v11/2*m3*L1*L3*sin(s2+s3)*(v2+v3)*(2*v1+v2+v3)+1/2*m1/2*m3*L2*L3*sin(s3)*v3*(2*(v1+v2)+v3);(m2/3+m3)*L3^2*(a1+a2+a3)+(m2/2+m3)*L1*L2*cos((m2/2+m3)*L1*L2*sin(s2)*v1*v2+m3/2*L1*L3*cos(s2+s3)*a1-m3/2*L1*L3*sin(s2+s3)*(v2+v3)*v1+m3/2*L2*L3*cos(s3)*(2m3/2*L2*L3*v3*(2*(v1+v2)+v3);m3/3*L3^2*(a1+a2+a3)+m3/2*L1*Lm3/2*L1*L3*sin(s2+s3)*(v2+v3)*v1+m3/2*L2*L3*cos(Q_T2=[0;-(m2/2+m3)*L1*L2*sin(s2)*v1*(v1+v2)-m3/2*L1*L3*sin(s2+s3)*v1*(v1+vm3/2*L1*L3*sin(s2+s3)*v1*(v1+m3/2*L2*L3*sin(s3)*(vQ_V=[1/2*(m1+m2+m3)*g*L1*sin(s1)+1/2*(m2+m3)*g*L2*sin(s1+sm3/2*g*L3*sin(s1+s2+s3);1/2*(m2+m3)*g*L2*sin(s1+s2)+m3/2给定单自由度系统参数，对单自由度无阻尼和有阻尼自振动系统进行计算，分别绘制无阻尼、小阻尼、临界阻尼和大阻尼响应曲线，并进行仿真；物体上施加一简谐力，绘制无阻尼和有阻尼状态下的受迫振动nA=1vx2+0负 v02nv0vn负负2负2n2A0n2负2一2负2一nv2-nt(1n2-负2tn-2n2-负2tn)2222-负2enn2-负-负2enn2-负2nv0C2再结合C-C20-C212n10n2-负0n0CC负0负022-222-nv0负0-2n22v0负0-2n222-n1-x21x02002-Cn120nh负2-负2n负2-负2n0负2一负2n0n负2一负2nnn000Aεnn负n220n0负2一n2负2一n2n0图图3A2=sqrt(x0^2+(v0+n1*x0)^2/(w0^2-n1^2theta2=atan((wd1*x0)/(v0+n1*x0x2=A2*exp(-n1*t).*sin(wd1*t+the图5图8A4=sqrt(x0^2+(v0+n2*x0)^2/(w0^2-n2^2));theta4=atan((wd2*x0)/(v0+n2*x0));x4=A4*exp(-n2*t).*sin(wd2*t+theta4);A5=sqrt(x0^2+(v0/wn-(b*w0/wn)theta5=atan(wn*x0/(v0-b*x5=A5*sin(wn*t+theta5)+b*sin(b=h/(sqrt((wn^2-w0^2)^2+4*n1theta0=atan(2*n1*w0/(wn^2-w0^2));y=sin(theta0);y1=cos(theta0);A6=-sqrt((n1*b*y-b*w0*y1)^2/wd1^2+b^2*y^2);theta6=atan(wd1*y/(n1*y-w0*y1));x6=-(A6*(exp(-n1*t)).*sin(wd1*t+theta6)+b*sin(w0*t-theta0)); 参参给定两自由度系统参数，对两自由度自由振动系统进行计算，绘制响应曲线，并进行仿真；对其中末端物体上施加一简谐力，绘制受迫振要求：编程计算软件不限，只要绘出曲线即可。仿真使用solidwoks和matlab/simulink两种软件同时进行,计算结果和仿真结果一x1,x1)x2,x2-pqqqqXX=1-q-q-p2Φ211 -1pp