機(jī)械動(dòng)力學(xué)三級(jí)項(xiàng)目

機(jī)械系統(tǒng)動(dòng)力學(xué)三級(jí)項(xiàng)目報(bào)告 SOLIDWORKS仿真參數(shù) 針對(duì)以下連桿系統(tǒng)，給定初始位置和運(yùn)動(dòng)，求解動(dòng)力學(xué)方程，繪2T1T2T3-J2-m2-m22112)222)2（2x2,y2）,(x3,y3)的坐標(biāo)表達(dá)式如(|x21(y2111+22l+2+22l+22(2〈2x31223232321-)1212cos23kk21-)2221-) 313l3)3)22222 3 )113型圖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給定單自由度系統(tǒng)參數(shù)，對(duì)單自由度無(wú)阻尼和有阻尼自振動(dòng)系統(tǒng)進(jìn)行計(jì)算，分別繪制無(wú)阻尼、小阻尼、臨界阻尼和大阻尼響應(yīng)曲線，并進(jìn)行仿真；物體上施加一簡(jiǎn)諧力，繪制無(wú)阻尼和有阻尼狀態(tài)下的受迫振動(dòng)nA=1vx2+0負(fù) v02nv0vn負(fù)負(fù)2負(fù)2n2A0n2負(fù)2一2負(fù)2一nv2-nt(1n2-負(fù)2tn-2n2-負(fù)2tn)2222-負(fù)2enn2-負(fù)-負(fù)2enn2-負(fù)2nv0C2再結(jié)合C-C20-C212n10n2-負(fù)0n0CC負(fù)0負(fù)022-222-nv0負(fù)0-2n22v0負(fù)0-2n222-n1-x21x02002-Cn120nh負(fù)2-負(fù)2n負(fù)2-負(fù)2n0負(fù)2一負(fù)2n0n負(fù)2一負(fù)2nnn000Aεnn負(fù)n220n0負(fù)2一n2負(fù)2一n2n0圖圖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圖5圖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)); 參參給定兩自由度系統(tǒng)參數(shù)，對(duì)兩自由度自由振動(dòng)系統(tǒng)進(jìn)行計(jì)算，繪制響應(yīng)曲線，并進(jìn)行仿真；對(duì)其中末端物體上施加一簡(jiǎn)諧力，繪制受迫振要求：編程計(jì)算軟件不限，只要繪出曲線即可。仿真使用solidwoks和matlab/simulink兩種軟件同時(shí)進(jìn)行,計(jì)算結(jié)果和仿真結(jié)果一x1,x1)x2,x2-pqqqqXX=1-q-q-p2Φ211 -1pp