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  • 大小: 21KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-05
  • 語言: Matlab
  • 標簽: Simulink??

資源簡介

一個用MATLAB/SIMULINK搭建的仿真模型。利用flux linkage觀測器,觀測flux linkage并由此計算電機位置及速度。整個模型基于discrete-time 系統,并包含速度矢量控制器,simpower system中的變頻器和感應電機模型。逼真還原實際系統,是一個學習交流電機驅動,電機無位置傳感器控制的完美教材。

資源截圖

代碼片段和文件信息

%%%%%%?Motor?parameters?%%%%%%%%%%
Ts=2e-6;???????????????%?Sampling?Time?(sec)
Rs=0.435;??????????????%?Stator?resistance?(Ohms)
Lls=2.0e-3;????????????%?Stator?leakage?inductance?(H)
Rr=0.816;??????????????%?Rotor?resistance?(兌)
Llr=2.0e-3;????????????%?Rotor?leakage?inductance?(H)
M=69.31e-3;????????????%?Mutual?Inductance?(H)
Ls=M+Lls;??????????????%?Stator?self?inductance?(H)
Lr=M+Llr;??????????????%?Rotor?self?inductance?(H)
p=2;???????????????????%?number?of?pole?pairs
Ed=1000;???????????????%?Inverter?voltage?(V)
Emax=Ed/sqrt(3);???????%?Maximum?terminal?voltage?(V)
tr=Lr/Rr;??????????????%?Time?Constant?of?flux
sigma=1-M^2/(Ls*Lr);???

%%%%%%%?State?Space?Matrix?%%%%%%%%%%%%%
I=[1?0;?0?1];
J=[0?-1;1?0];
A11?=?-(Rs?+?M^2*Rr/Lr^2)?/?(sigma*Ls)?*?I;
A12?=?M?/?(sigma*tr*Ls*Lr)?*?I;
A21?=?M/tr?*?I;
A22=?-1/tr?*?I;
A?=?[A11?A12;?A21?A22];
B?=?[1/(sigma*Ls)?*?I;?zeros(2)];
C?=?[I?zeros(2)];
Bw?=?[M/(sigma*Ls*Lr)?*?I;?-I];

%%%%%%丂Weight?Matrix丂%%%%%%%%%%%%%%%%%%
ep?=?0.006;
R?=?ep*I;
Q?=?I;

%%%%%%?Obtaining?Feedback?Gain?%%%%%%%%%%
[HPE]?=?lqe(ABwCQR);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????139935??2008-06-03?13:33??IM_jmg.mdl

?????文件???????1115??2008-06-03?13:33??IM_jmg_param.m

?????文件???????1842??2008-06-03?13:33??IM_jmg_param.mat

-----------?---------??----------?-----??----

???????????????142892????????????????????3


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