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s函数报错“during flag=i call must be a real vector of length n” ，怎么解决？$ U+ s" O# o9 j% D" T& ^ n' ~
代码如下：' ^8 s9 ?6 L" _7 p/ y* v
function [sys,x0,str,ts] = PMSM_chaos_controller(t,x,u,flag)" N; M2 s: L. d
switch flag,
& H# h! \* `; T% z( V case 0," ^! N7 F: b; `" j- h; B& t
[sys,x0,str,ts] = mdlIniticializeSizes;: g) A6 `- z/ Q$ A$ I
case 3,
6 v7 {. P5 w# G2 r! a sys = mdlOutputs(t,x,u);
/ l- }5 y, h t6 F. Y case {1,2,4,9},
0 Z0 |7 _+ A1 ]% h sys = [];
4 {) x/ B' Q! v otherwise,8 V4 ~2 T& o7 g ^& d9 f
DAStudio.error('Simulink:blocks:unhandledFlag',num2str(flag));" N% ~% h: Z% w( X6 w! W
end, a! ^5 y0 Q, }( B/ x
, N: G _1 ~& e
function [sys,x0,str,ts] = mdlIniticializeSizes9 q) ?$ t- d0 |7 J- M6 d
sizes = simsizes;5 ?2 K' V& i* \% g
sizes.NumContStates = 3; %连续状态个数4 y, m% J2 ~+ [2 j [4 ] @
sizes.NumDiscStates = 0; %离散状态个数2 P: w/ Z) ^' j! g$ c( A+ j) I- h
sizes.NumOutputs = 3; %输出变量个数8 j' [% f$ ^9 t/ j0 M, H
sizes.NumInputs = 9; %输入信号个数 F! W- _- I4 |( W
sizes.DiRFeedthrough = 1; %输入直接传入输出信号否
8 z: L+ l9 _( V/ Z, Osizes.NumSampleTimes = 0; % at least one sample time is neededWO 一般来说为1个' w) C1 e( p$ X. }9 z2 M
sys = simsizes(sizes);8 S+ e, f' A! ^4 n; i/ o. ?0 p5 g' A
x0 = [0.001 0.001 0.001];
0 C5 V ]7 e4 _str = [];0 u7 B' X+ m! K5 k* o& y
ts = [];& q7 M+ e6 r$ F; S
6 [ }0 }& ]4 _/ K# T# C
function sys=mdlOutputs(t,x,u)
. d% _% Z7 L! R6 p8 me1=u(1);e2=u(2);e3=u(3);$ F& D: ]) {! `& Z% G
s21=u(4);s22=u(5);s1=u(6);
1 ?3 R. I" v6 A" D& Xes_w=u(9);
" ?, R4 t W' a/ Y7 X3 a, K, qalpha = 0.8;' d# V$ X) }& w: n1 j5 _: S
alpha1 = 5/7; beta1 = 7/5;. i% O2 |5 P; j* ]% X
alpha2 = 7/9; beta2 = 9/7;
! \1 w2 i% Z% Yk1 = 1;0 X' y# j2 `! U9 g# h5 _0 }
k2 = 1.2;/ N1 y+ U8 r8 y* L7 W' x7 @" z
miu = 10;
- n; z4 D7 G0 q3 Mdelta = 5.46;! h* w1 G( u3 Z+ I! X# A g1 c
%assert(all(imag(u)==0), 'u is imaginary or nan');不起作用
" \' m2 g1 [' H5 oif e3==0
9 r/ n8 K# `4 E$ O3 J2 \ u1 = e1 - es_w*e1 - 10*((abs(e1))^alpha)*sign(e1) - 10*e1 - k2*((abs(s21))^alpha2)*sign(s21) -k2*((abs(s21))^beta2)*sign(s21) - miu*s21;+ @9 l1 F, f' W$ s9 f; r( F* z
u2 = e2 - es_w*e2 - 10*((abs(e2))^alpha)*sign(e2) - 10*e2 - k2*((abs(s22))^alpha2)*sign(s22) -k2*((abs(s22))^beta2)*sign(s22) - miu*s22;% T3 m' ?' r, X# i9 H' q& h2 N
u3 = -delta*(e2-e3) - 10*((abs(e3))^alpha)*sign(e3) - 10*e3 - k1*((abs(s1))^alpha1)*sign(s1) -k1*((abs(s1))^beta1)*sign(s1) - miu*s1;( a' }: a/ Y9 T
else
9 G; g3 N+ u2 ]+ z/ j; | u1 = 0;/ m! L5 O0 {# Y1 N) P* n; P: m% v
u2 = 0;
9 `3 _, x, Q1 K$ j7 ]8 g u3 = -delta*(e2-e3) - 10*((abs(e3))^alpha)*sign(e3) - 10*e3 - k1*((abs(s1))^alpha1)*sign(s1) -k1*((abs(s1))^beta1)*sign(s1) - miu*s1;5 ?$ x& L7 ]$ ]( Q7 Q
end
4 }4 D; x: n4 I# xsys(1) = u1;
2 l+ [5 ]% t4 k/ {sys(2) = u2;% ?- x+ O# K, `' s t+ y9 D1 n
sys(3) = u3;- U# ?2 c8 R! |8 w0 q: A: c
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发表于 2020-9-28 11:08
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