function?[sysx0strts]?=?ac_motor（txuflag）
%異步電機在任意以w1旋轉的坐標系下的兩軸模型
%==============基本電機參數===================
%電機方程
%
L1s=0.000724;???????????L1r=0.000724;????????????Lm1=0.02711;
Rs=0.08233;?????????????Rr=0.0503;???????????????P=2;
J=0.37;?????????????????Lm=1.5*Lm1;???????Ls=L1s+Lm;
Lr=L1r+Lm;

%6個狀態變量ids?iqs?idr?iqr?w?theta??
%5個輸入變量uas?ubs?ucs?TL?w1
%8個輸出變量Uds?Uqs?ids?iqs?idr?iqr?w?Te

switch?flag
??case?0
????[sysx0strts]=mdlInitializeSizes;
??case?1
????sys=mdlDerivatives（txuLsLrLmRsRrPJ）;
??case?3
????sys=mdlOutputs（txuPLm）;
??case?{249}
????sys=[];
??otherwise
????error（[‘Unhandled?flag?=?‘num2str（flag）]）;
end

function?[sysx0strts]=mdlInitializeSizes
sizes?=?simsizes;
sizes.NumContStates??=?6;
sizes.NumDiscStates??=?0;
sizes.NumOutputs?????=?8;
sizes.NumInputs??????=?5;
sizes.DirFeedthrough?=?1;
sizes.NumSampleTimes?=?1;???
sys?=?simsizes（sizes）;
x0?=?[000000];
str?=?[];
ts??=?[0?0];


function?sys=mdlDerivatives（txuLs