机械原理-王德伦-课后答案[1-24-12章].khda

1-1.1-2.1-31-4.1-5.1-6.1-7.1-8.1-9.2-1123456789-2-22-3QPCDAB2-42-51123474562-1A21BD3334-11(2)3324-2A11234511Watt’slinkage4-2-1a2Stephenson’slinkage4-2-1b214-2-1a4-2-2ab24-2-1b4-2-2cd314-2-2a4-2-3a24-2-2b34-2-2c4-2-3b44-2-2d4-2-3c(b)cB312345431234-3A112331415,632232133333341,2,3,45,61,3,4,52511,2,3,45,6BG5-11211500/60/i=1500/60=25325=2.922:1255346180°231.4111800KKK=1.4030K=1.4K=1.40305-25.2:5-3,,,5-41231611MMMMOxyMO1MP2MP11(,)MMxy=(5,5)22(,)MMxy=(30,5)11jFijMjFiijMxxyMycossinsincos001iiMiiiiMixMyiMii=1,2,3FMjjj=1,211111111cossincos(5)sin(5)10sincossin(5)cos(5)45001001MMxMy22222222cossincos(30)sin(30)30sincossin(30)cos(30)50001001MMxMy33333333cossincos(80)sin(80)56sincossin(80)cos(80)46001001MMxMy222111122212122221313()()()()()()FAFAAFAFAAFAFAAxxyyrxxyyrxxyyr(,)AAxyArmatlabclearclcth1=5*pi/180;th2=30*pi/180;th3=80*pi/180;M1=[cos(th1)sin(th1)10;sin(th1)cos(th1)45;0,0,1];M2=[cos(th2)sin(th2)30;sin(th2)cos(th2)50;001];001001001001001001001001cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30sin(30)cos(30)50sin(30)cos(30)50cos(30)sin(30)30cos(30)sin(30)30sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50001001001001001001001001001001cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30cos(30)sin(30)30sin(30)cos(30)50sin(30)cos(30)50cos(30)sin(30)30cos(30)sin(30)30sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50sin(30)cos(30)50001001001001001001001001001001001001cos(80)sin(80)56cos(80)sin(80)56cos(80)sin(80)56cos(80)sin(80)56cos(80)sin(80)56cos(80)sin(80)56cos(80)sin(80)56sin(80)cos(80)46sin(80)cos(80)46cos(80)sin(80)56cos(80)sin(80)56sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)46sin(80)cos(80)460010010010010010012222222222222FAFAAFAFAAxyyrFAFAAFAFAA()()()()2222()()()()222222xyyrxyyrxyyr()()()()FAFAAFAFAA()()()()()()22xyyrM3=[cos(th3)sin(th3)56;sin(th3)cos(th3)46;001];x1m=5;y1m=5;x2m=30;y2m=5;m1=[x1m;y1m;1];m2=[x2m;y2m;1];f11=M1*m1;f12=M2*m1;f13=M3*m1;f21=M1*m2;f22=M2*m2;f23=M3*m2;A=solve('(f11(1)xa)^2+(f11(2)ya)^2ra^2'...,'(f12(1)xa)^2+(f12(2)ya)^2ra^2'...,'(f13(1)xa)^2+(f13(2)ya)^2ra^2'...,'xa','ya','ra');B=solve('(f21(1)xb)^2+(f21(2)yb)^2rb^2',...'(f22(1)xb)^2+(f22(2)yb)^2rb^2',...'(f23(1)xb)^2+(f23(2)yb)^2rb^2',...'xb','yb','rb');Xa=eval(A.xa)Ya=eval(A.ya)Ra=eval(A.ra)Xb=eval(B.xb)Yb=eval(B.yb)Rb=eval(B.rb)Xa=34.0979Ya=11.2030Ra=54.4201Xb=39.8915Yb=20.3409Rb=17.0691rb^2',...rb^2',...yb)^2yb)^2rb^2',...rb^2',...yb)^2yb)^2rb^2',...rb^2',...21matlabclearclcth1=5*pi/180;th2=30*pi/180;th3=80*pi/180;M1=[cos(th1)sin(th1)10;sin(th1)cos(th1)45;0,0,1];M2=[cos(th2)sin(th2)30;sin(th2)cos(th2)50;001];M3=[cos(th3)sin(th3)56;sin(th3)cos(th3)46;001];M1_n=inv(M1)M2_n=inv(M2)M3_n=inv(M3)M1_n=0.99620.08726.03990.08720.996245.7003001.0000M2_n=0.86600.50000.98080.50000.866058.3013001.0000M3_n=0.17360.984835.57690.98480.173663.1371001.0000jMiPjij=1,2i=1,2,30A0BCDC(22.54,41.39)D(2.12,4.43)62x=1000mm1FP2FP3FP4FPMO(1000,y)(950,y)(865,y)(745,y).cossinsincosM0204060clearclcth1=0;th2=20*pi/180;th3=40*pi/180;th4=60*pi/180;M1=[cos(th1)sin(th1);sin(th1)cos(th1)];M2=[cos(th2)sin(th2);sin(th2)cos(th2)];M3=[cos(th3)sin(th3);sin(th3)cos(th3)];M4=[cos(th4)sin(th4);sin(th4)cos(th4)];symsy;m1=[1000;y];m2=[950;y];m3=[865;y];m4=[745;y];f1=M1*m1f2=M2*m2f3=M3*m3f4=M4*m41110001FFxfyy22892.710.342324.920.94FFxyfyy33662.630.643556.010.77FFxyfyy44372.500.874645.190.5FFxyfyyC(xc,yc)22211222222223322244()()()()()()()()FCFCCFCFCCFCFCCFCFCCxxyyrxxyyrxxyyrxxyyrC63ADAEAD=150mmAECC1CBA1CAB1ABCD65323C13A21BO21CAsOsOC=2sOA21ssOCOA212120/rads210/radsssOOs66463434P2323P2424P23P1414P1212P24P1412PP24P24424434.54/rads215225.129/rads14414121412PPPP1412141214122323PP232314P14114425.129/5.129/226P66226P26v212265.129*0.7884.042/PPms26cos24.042*cos24.040/vvms21226212265.129*0.7884.042/5.129*0.7884.042/PPmsPPms212265.129*0.7884.042/5.129*0.7884.042/PPmsPPmsPPms5.129*0.7884.042/5.129*0.7884.042/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/5.129*0.7884.042/5.129*0.7884.042/5.129*0.7884.042/5.129*0.7884.042/cos24.042*cos24.040/cos24.042*cos24.040/vvmsvvmscos24.042*cos24.040/cos24.042*cos24.040/cos24.042*cos24.040/7-1.R=40mma=20mme=15mmrr=20mmS=S7-1(a)1)-wo2x1OB22240)20(0)19/360tan(yxyxx=7.28mmy=18.73mmcos)(sin)(srysrxbbPha=18.95s=20.4985mmsphasphaPha/S/mm1*360/1920.49852*360/1922.05323*360/1924.82574*360/1929.00715*360/1934.64106*360/1941.36847*360/1948.33718*360/1954.41399*360/1958.54.810*360/1960.000022)20()20(22)19/0)19/(xxx1*360/19Pha/Pha/((20sin