How to fix up my s function?
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function [sys,x0,str,ts,simStateCompliance] = fcnuav_1d_sfun(t,x,u,flag)
switch flag,
case 0,
[sys,x0,str,ts,simStateCompliance]=mdlInitializeSizes;
case 1,
sys=mdlDerivatives(t,x,u);
case 2,
sys=mdlUpdate(t,x,u);
case 3,
sys=mdlOutputs(t,x,u);
case 4,
sys=mdlGetTimeOfNextVarHit(t,x,u);
case 9,
sys=mdlTerminate(t,x,u);
otherwise
DAStudio.error('Simulink:blocks:unhandledFlag', num2str(flag));
end
function [sys,x0,str,ts,simStateCompliance]=mdlInitializeSizes
sizes = simsizes;
sizes.NumContStates = 0;
sizes.NumDiscStates = 0;
sizes.NumOutputs = 1;
sizes.NumInputs = 2;
sizes.DirFeedthrough = 0;
sizes.NumSampleTimes = 1;
sys = simsizes(sizes);
x0 = [];
str = [];
ts = [0 0];
simStateCompliance = 'UnknownSimState';
function sys=mdlDerivatives(t,x,u)
sys = [];
function sys=mdlUpdate(t,x,u)
sys = [];
function sys=mdlOutputs(t,x,u)
m = 0.18;
g = 9.81;
kp = 18;
kd = 175;
zdot2_des = 0;
e = u;
U = m*(zdot2_des+kp*e(2)+kd*e(1)+g);
sys = [U];
function sys=mdlGetTimeOfNextVarHit(t,x,u)
sampleTime = 1;
sys = t + sampleTime;
function sys=mdlTerminate(t,x,u)
sys = [];
1 Kommentar
Walter Roberson
am 13 Jun. 2016
We might be able to suggest a dating site for lonely functions, but I think it would probably be even better if you described the difficulty you are encountering with the code including any error message.
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