电流预测控制simulink仿真，帮忙解释一下！！！！

xueshoudaoke

最近在做电流预测控制算法，在本论坛找到了这个模型，想研究一下，有些问题需要大家给予解释一下，在此谢谢大家了！！！！！我把预测控制器的代码给贴在下面，谁能给我解释一下？
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% This function contains the algorithm for the predictive current control
" Y  Z2 k4 ^' @& a6 ^% X. i% of a two-level voltage source inverter.
1 s, @( `* f+ v6 j4 y% }( [% Inputs:
%   I_ref   := Two-element vector containing the reference current in
%              alpha-beta coordinates.
%   I_meas  := Two-element vector containing the measured current in
%              alpha-beta coordinates.
% Parameters (defined in the file parameters.m):
' \/ b1 Q! H1 }0 M& a2 w%   R       := Load resistance
%   L       := Load inductance
%   Ts      := Sampling time
6 u1 u0 A5 h- F2 j2 Y%   v       := Eight-element vector containing the voltage vectors that can
7 ?# M) O  S5 O' |  _%              be generated by the inverter, in alpha-beta coordinates.
%   states  := Eight-by-three array containing the switching states for
%              each voltage vector.
" ^8 U' r- v+ C2 ?- [% Outputs:
%   [Sa, Sb, Sc] := switching state corresponding to the optimum vector to
%                   be applied in the next sampling period.
0 Z' V% J. q6 i' j+ d5 T%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  L( D- f. M& J* _) I8 U" t2 `4 ?
: l$ f; p2 y  D0 z- k& k+ A% D4 k& lfunction [Sa,Sb,Sc] = control(I_ref,I_meas,R,L,Ts,v,states)
% R; h6 g2 m' Z9 ]3 v$ w, Y% Optimum vector and measured current at instant k-1
4 o6 P4 g  {3 V  }* F" i7 e- Tpersistent x_old i_old
: q# \' ~! L  i( }! ^% Initialize values
if isempty(x_old), x_old = 1; end
3 G2 J' _0 K& y9 G. Tif isempty(i_old), i_old = 0+1j*0; end
g = zeros(1,8);
% Read current reference inputs at sampling instant k
: `; ^3 U4 z, y' G$ uik_ref = I_ref(1) + 1j*I_ref(2);
% Read current measurements at sampling instant k
ik = I_meas(1) + 1j*I_meas(2);
% Back-EMF estimate
e = v(x_old) - L/Ts*ik - (R - L/Ts)*i_old;
% Store the measured current for the next iteration
7 P6 V+ U' l9 `5 p1 T* ni_old = ik;
for i = 1:8
    % i-th voltage vector for current prediction
. |& I  L9 n6 \+ e3 S  z4 z6 |    v_o1 = v(i);
    % Current prediction at instant k+1
    ik1 = (1 - R*Ts/L)*ik + Ts/L*(v_o1 - e);
    % Cost function
$ i7 q% c# {3 H# h* ]    g(i) = abs(real(ik_ref - ik1)) + abs(imag(ik_ref - ik1));
end
% Optimization
[~,x_opt] = min(g);
# X( A5 e+ E" g, G; T# L- U% Store the present value of x_opt
x_old = x_opt;
% E% P/ k# \5 Y, f% Output switching states
Sa = states(x_opt,1);
Sb = states(x_opt,2);
Sc = states(x_opt,3);