牛头刨床MATLAB

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1、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)

2、(h>delta)if(fp

3、p=fq;h=b-a;q=a+t*h;fq=feval(f,q);endk=k+1;G(k,:)=[a,p,q,b];enddx=abs(b-a);df=abs(fb-fa);if(fp<=fq)x=p;fs=fp;elsex=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=020.779033.62

4、1054.4000012.842120.779033.621012.842120.779025.684233.621012.842117.747320.779025.684217.747320.779022.652625.684220.779022.652623.810625.684220.779021.936922.652623.810620.779021.494621.936922.652621.494621.936922.210322.652621.494621.768021.936922.210321.768021.936922.041322.21

5、0321.768021.872421.936922.041321.768021.832521.872421.936921.832521.872421.897021.936921.872421.897021.912321.936921.872421.887621.897021.912321.872421.881821.887621.897021.881821.887621.891221.897021.881821.885421.887621.891221.881821.884021.885421.887621.884021.885421.886321.887

6、621.884021.884921.885421.886321.884921.885421.885721.886321.885421.885721.885921.886321.885421.885621.885721.885921.885421.885521.885621.885721.885521.885621.885621.885721.885521.885621.885621.885621.885621.885621.885621.8856E=1.0e-004*0.76550.0000分类号：TH12　文献标识码：A文章编号：1001-3997(20

7、00)01-0045-02OptimumDesignofShaperAccordingtoMechanicalPressureAngleMENGZhao-mingCHANGDe-gong(DepartmentofMechanicalEngineeringQingdaoZnstituteofChemicalTechnologyQingdao266042,China)Abstract：Fromthefestmotivefunctionofthemechanismandtheminimalvalueofmachanismmaximumpressureanglea

8、stheobjectfunction,theoptimumdesignofthegeometricaldimensionsoftheshapercanbemade.Keywords：pressureangle;shaper;theoptimumdesign▲　　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

9、确定牛头刨床的几何尺寸。Theshaperisoneofthemo