牛头刨床MATLAB.doc

function x,fx,k,G,E = golds( f,a,b,delta,epsilon )t=(sqrt(5)-1)/2;h=b-a;fa=feval(f,a);fb=feval(f,b);p=a+(1-t)*h;q=a+t*h;fp=feval(f,p);fq=feval(f,q);k=1;G(k,:)=a,p,q,b;while(abs(fb-fa)epsilon)|(hdelta) if(fpfq) b=q;fb=fq;q=p;fq=fp; h=b-a;p=a+(1-t)*h;fp=feval(f,p); else a=p;fa=fp;p=q;fp=fq; h=b-a;q=a+t*h;fq=feval(f,q); end k=k+1;G(k,:)=a,p,q,b;enddx=abs(b-a);df=abs(fb-fa);if(fp=fq) x=p;fs=fp;else x=q;fs=fq;endE=dx,df;x,fx,k,G,E=golds(inline(16.83/180*pi+asin(11.47-s)/150)-asin(11.47+s)/150)2),0,54.4,1e-4,1e-5)x = 21.8856fx = 1.3147e-015k = 29G = 0 20.7790 33.6210 54.4000 0 12.8421 20.7790 33.6210 12.8421 20.7790 25.6842 33.6210 12.8421 17.7473 20.7790 25.6842 17.7473 20.7790 22.6526 25.6842 20.7790 22.6526 23.8106 25.6842 20.7790 21.9369 22.6526 23.8106 20.7790 21.4946 21.9369 22.6526 21.4946 21.9369 22.2103 22.6526 21.4946 21.7680 21.9369 22.2103 21.7680 21.9369 22.0413 22.2103 21.7680 21.8724 21.9369 22.0413 21.7680 21.8325 21.8724 21.9369 21.8325 21.8724 21.8970 21.9369 21.8724 21.8970 21.9123 21.9369 21.8724 21.8876 21.8970 21.9123 21.8724 21.8818 21.8876 21.8970 21.8818 21.8876 21.8912 21.8970 21.8818 21.8854 21.8876 21.8912 21.8818 21.8840 21.8854 21.8876 21.8840 21.8854 21.8863 21.8876 21.8840 21.8849 21.8854 21.8863 21.8849 21.8854 21.8857 21.8863 21.8854 21.8857 21.8859 21.8863 21.8854 21.8856 21.8857 21.8859 21.8854 21.8855 21.8856 21.8857 21.8855 21.8856 21.8856 21.8857 21.8855 21.8856 21.8856 21.8856 21.8856 21.8856 21.8856 21.8856E = 1.0e-004 *0.7655 0.0000分类号：TH12文献标识码：A文章编号：1001-3997(2000)01-0045-02Optimum Design of Shaper According to Mechanical Pressure AngleMENG Zhao-ming CHANG De-gong(Department of Mechanical Engineering Qingdao Znstitute of Chemical Technology Qingdao 266042,China)Abstract：From the fest motive function of the mechanism and the minimal value of machanism maximum pressure angle as the object function, the optimum design of the geometrical dimensions of the shaper can be made.Key words：pressure angle; shaper; the optimum design牛头刨床是工程中最多用的加工机械之一，工程中往往会有这样一类设计问题：已知机构的行程速比系数、冲程、曲柄及刨头推杆的尺寸，要求确定滑杆与摆动导杆的距离。对这样的设计问题，传统的设计方法多采用类比、试凑的办法，设计结果不能公认最优。这里从机构拥有最佳传动性出发，以机构最大压力角最小为寻优目标函数，最优确定牛头刨床的几何尺寸。The shaper is one of the most used in engineering machinery，Projects often have such a class of design problems: The known mechanism of travel speed ratio coefficient, stroke, the crank and the plough head push rod size, Asked to identify a slide rod and a swing rod distance. The design