changsn.m

来自「spwm 仿真模型」· M 代码 · 共 34 行

function [sys,x0,str,ts]=changsn(t,x,u,flag)
switch flag,
   case 0,
    [sys,x0,str,ts]=mdlInitializeSizes;
   case 3,
    sys=mdlOutputs(t,x,u);
   case {2,4,9},
    sys=[];
otherwise
    error(['Unhandled flag= ',num2str(flag)]);
end
 
function [sys,x0,str,ts]=mdlInitializeSizes
sizes=simsizes;
sizes.NumContStates=0;
sizes.NumDiscStates=0;
sizes.NumOutputs=1;
sizes.NumInputs=1;
sizes.DirFeedthrough=1;
sizes.NumSampleTimes=1;

sys=simsizes(sizes);
x0=[];
str=[];
ts=[-1 0];
function sys=mdlOutputs(t,x,u)
if u>6
    sys=6;
elseif u<1
    sys=1;
else
    sys=u;
end