Matlab 仿真实现TI Instaspin 的Foc 逆Clarke变换和SVPWM

clear all;

theta = 0:1:360;
vd = 0.0;
vq = 1.15;
Valpha =  zeros(size(theta));
Vbeta =  zeros(size(theta));
Vx = zeros(size(theta));
Vy = zeros(size(theta));
Vz = zeros(size(theta));

N = length(theta);

for i=1:N
Valpha(i) = vd*cos(i/180*pi)-vq*sin(i/180*pi);
Vbeta(i) = vq*cos(i/180*pi)+vd*sin(i/180*pi);
va = Valpha(i);
vb = -0.5*Valpha(i) +sqrt(3)/2*Vbeta(i);
vc = -0.5*Valpha(i) -sqrt(3)/2*Vbeta(i);
vmax = 0;
vmin = 0;
if (va > vb)
vmax = va;
vmin = vb;
else
vmax = vb;
vmin = va;
end

if(vc > vmax)
vmax = vc;
elseif (vc < vmin)
vmin = vc;
end

vcom = (vmax+vmin)/2;
Vx(i) = vcom - va;
Vy(i) = vcom - vb;
Vz(i) = vcom - vc;

end

plot(theta, Valpha);
hold on
plot(theta, Vbeta);
hold on

plot(theta, Vx,'Color','red');
hold on
plot(theta, Vy,'Color','yellow');

hold on
plot(theta, Vz,'Color','green');