how to use external function in app designer?

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GOURANG UPADHYAY 2022-6-22

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评论： Cris LaPierre 2022-6-22

i have created a matlab fuction which will print multiple output how to use it in app designer.i called that fuction but i got an error that multiple outputs to print.what to do now?

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Answer 1

Cris LaPierre 2022-6-22

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https://ww2.mathworks.cn/matlabcentral/answers/1745310-how-to-use-external-function-in-app-designer#answer_990500

See this answer:

https://www.mathworks.com/matlabcentral/answers/398322-calling-external-functions-in-app-designer

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GOURANG UPADHYAY 2022-6-22

在 MATLAB Online 中打开

function faultfrequency(N1,Ra)
T1=31;T2=106;T3=56;T4=108;%Number of teeth on each gear
N2=T1*N1/T2;N3=N2*T3/T4;%RPM calculation
%%Bearing Fault Frequency calculation
%1.Spherical Roller Bearing SKF 22316 B1
%D1 Shoulder/recess diameter of outer ring
%d2 Shoulder diameter of inner ring
%BD Rolling Element dia
%Pd Pitch dia
%Nd NUmber of Rolling Elemrnt
D1=143;d2=98.3;ca=12.95;Nb=15;Pd=(D1+d2)/2;Bd=12.15*2;N=N1;
BPFO1=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));%Ball Pass Frequency Outer
BPFI1=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));%Ball Pass Frequency Inner
BSF1=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);%Ball Spin Frequency
FTF1=(N/120)*(1-((Bd/Pd)*cosd(ca)));%Fundamental Train Frequency
%Cylindrical Roller Bearing SKF NJ 2212 ECJ B2
 F=72;Bd=14;ca=0;Nb=16;D=F+(2*Bd);Pd=(D+F)/2;N=N1;
BPFO2=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI2=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF2=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF2=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Spherical Roller Bearing SKF 22316 E B3
 D1=143;d2=98.3;ca=12.95;Nb=15;Pd=(D1+d2)/2;Bd=12.15*2;N=N2;
BPFO3=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI3=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF3=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF3=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Cylindrical Roller Bearing SKF NJ 2310 ECP B4
F=65;Bd=16;ca=0;Nb=23;D=F+(2*Bd);Pd=(D+F)/2;N=N2;
BPFO4=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI4=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF4=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF4=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Cylindrical Roller Bearing SKF NJ 218 ECP B5
F=107;Bd=19;ca=0;Nb=17;D=F+(2*Bd);Pd=(F+D)/2;N=N3;
BPFO5=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI5=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF5=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF5=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Spherical Roller Thrust Bearing SKF  29436E B6
 Bd=16.61;ca=44.01;Nb=15;Pd=171.5;N=N3;
 BPFO6=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI6=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF6=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF6=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Cylindrical Roller Bearing SKF NJ 217 ECP
F=100.5;Bd=18;ca=0;Nb=17;D=F+(2*Bd);Pd=(D+F)/2;N=N3;
 BPFO7=(N*Nb/120)*(1-((Bd/Pd)*cosd(ca)));
BPFI7=(N*Nb/120)*(1+((Bd/Pd)*cosd(ca)));
BSF7=(Pd*N/(Bd*60))*(1-((Bd/Pd)*cosd(ca))^2);
FTF7=(N/120)*(1-((Bd/Pd)*cosd(ca)));
%Harmonics
ff=zeros(28,5);
no=[1,5,9,13,17,21,25];
for i=no
    for j=1:5
        switch i
            case 1
                ff(i,j)=BPFO1*j;
                ff(i+1,j)=BPFI1*j;
                ff(i+2,j)=BSF1*j;
                ff(i+3,j)=FTF1*j;
            case 5
                ff(i,j)=BPFO2*j;
                ff(i+1,j)=BPFI2*j;
                ff(i+2,j)=BSF2*j;
                ff(i+3,j)=FTF2*j;
            case 9
                ff(i,j)=BPFO3*j;
                ff(i+1,j)=BPFI3*j;
                ff(i+2,j)=BSF3*j;
                ff(i+3,j)=FTF3*j;
            case 13
                ff(i,j)=BPFO4*j;
                ff(i+1,j)=BPFI4*j;
                ff(i+2,j)=BSF4*j;
                ff(i+3,j)=FTF4*j;
            case 17
                ff(i,j)=BPFO5*j;
                ff(i+1,j)=BPFI5*j;
                ff(i+2,j)=BSF5*j;
                ff(i+3,j)=FTF5*j;
            case 21
                ff(i,j)=BPFO6*j;
                ff(i+1,j)=BPFI6*j;
                ff(i+2,j)=BSF6*j;
                ff(i+3,j)=FTF6*j;
            case 25
                ff(i,j)=BPFO7*j;
                ff(i+1,j)=BPFI7*j;
                ff(i+2,j)=BSF7*j;
                ff(i+3,j)=FTF7*j;
        end
    end
end
for a=1:28
    for b=1:5
        ul=ff(a,b)*2^(1/6);
        ll=ff(a,b)*2^(-1/6);
        if a<=4
            x=1;
        elseif a>4 && a<=8
            x=2;
        elseif a>8 && a<=12
            x=3;
        elseif a>12 && a<=16
            x=4;
        elseif a>16 && a<=20
            x=5;
        elseif a>20 && a<=24
            x=6;
        elseif a>24 && a<=28
            x=7;
        end
        b1=1:4:28;
        b2=2:4:28;
        b3=3:4:28;
        b4=4:4:28;
        if ll<=Ra && ul>=Ra
            if ismember(a,b1)==1
                fprintf("defect is in outer race of bearing %d and corresponding harmonics is %d and value is %d:\n ",x,b,ff(a,b))
            elseif ismember(a,b2)==1
                fprintf("defect is in outer race of bearing %d and corresponding harmonics is %d and value is %d:\n ",x,b,ff(a,b))
            elseif ismember(a,b3)==1
                fprintf("defect is in outer race of bearing %d and corresponding harmonics is %d and value is %d:\n ",x,b,ff(a,b))
            elseif ismember(a,b4)==1
                fprintf("defect is in outer race of bearing %d and corresponding harmonics is %d and value is %d:\n ",x,b,ff(a,b))
            else
                fprintf("No bearing defect:\n")
            end
        end
    end
end
%% Gear fault frequencies
%input satge
GMF1=T1*N1/60;%Gear Meash Frequency
NA1=gcd(T1,T2);%Number of Assembly Phases
HTF1=(GMF1*NA1)/(T1*T2);%Hunting Tooth Frequency
APF1=GMF1/NA1;%Assembly Phase Frequency
%input satge
GMF2=T3*N2/60;%Gear Meash Frequency
NA2=gcd(T3,T4);%Number of Assembly Phases
HTF2=(GMF2*NA2)/(T3*T4);%Hunting Tooth Frequency
APF2=GMF2/NA2;%Assembly Phase Frequency
fg=zeros(6,5);
nog=[1 4];
for i=nog
    for j=1:5
        if i==1
            fg(i,j)=GMF1*j;
            fg(i+1,j)=HTF1*j;
            fg(i+2,j)=APF1*j;
        elseif i==4
            fg(i,j)=GMF2*j;
            fg(i+1,j)=HTF2*j;
            fg(i+2,j)=APF2*j;
        end
    end
end
for a=1:6
    for b=1:5
        ul=fg(a,b)*2^(1/6);
        ll=fg(a,b)*2^(-1/6);
        if a<=3
            x=1;
        elseif a>3 && a<=6
            x=2;
        end
        b1=1:3:4;
        b2=2:3:6;
        b3=3:3:6;
         if ll<=Ra && ul>=Ra
            if ismember(a,b1)==1
                fprintf("defect is in stage %d (check wear and lubrication)and corresponding harmonics of GMF is %d  and corresponding frequency is %d\n ",x,b,fg(a,b))
            elseif ismember(a,b2)==1
                fprintf("defect is in stage %d and corresponding harmonics of HTF is %d  and corresponding frequency is %d\n ",x,b,fg(a,b))
            elseif ismember(a,b3)==1
                fprintf("defect is in stage %d and corresponding harmonics of APF is %d  and corresponding frequency is %d\n ",x,b,fg(a,b))
            end
         end
    end
end

This is my function .please help

GOURANG UPADHYAY 2022-6-22

please reply

Cris LaPierre 2022-6-22

Apologies. It was the middle of the night so I was sleeping. It is unclear to me what you are struggling to do now. Perhaps this Answer of custom functions will help:

https://www.mathworks.com/matlabcentral/answers/572350-do-i-need-how-to-add-functions-in-app-designer

Other suggestion include going through the app designer tutorial, and finding an example app to learn from.

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